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  • Methodology for the strategic capacity planning in universities

     De La Torre Martinez, Maria Del Rocio; Lusa Garcia, Amaia; Mateo Doll, Manuel
    International Conference on Industrial Engineering and Industrial Management
    Presentation's date: 2013-07-12
    Presentation of work at congresses

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  • Integration of marketing and production decisions in aggregate planning: A review and prospects

     Martinez Costa, M. Carmen; Mas Machuca, Marta; Lusa Garcia, Amaia
    European journal of industrial engineering
    Date of publication: 2013-12-02
    Journal article

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    This paper focuses on the integration of marketing and production decisions regarding aggregate planning in industrial companies. The main contributions to the literature are described briefly and used to present a summary of the state of the art. This review will enable the study of the interrelations between the key variables of marketing decision-making (price and/or promotion) and production decision-making (product quantity, staff size, working hours and inventory level) and thereby contribute to the development of integrated decision models. These contributions are then analysed in relation to mathematical programming models that include marketing and production variables in aggregate planning. Finally, future lines of research are proposed.

  • Resolución del problema de flujo general flexible con fechas comprometidas y costes dependientes del intervalo de realización de las operaciones  Open access

     González Vargas, Néstor Andrés
    Defense's date: 2013-06-28
    Institute of Industrial and Control Engineering (IOC), Universitat Politècnica de Catalunya
    Theses

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    En el marco de la problemática de la programación de operaciones en taller, en esta tesis se introduce un nuevo problema, que se identifica como problema de flujo general flexible (fJSP) con fechas comprometidas y costes dependientes del intervalo de realización de las operaciones. En el fJSP se deben tratar dos subproblemas, el de asignación de las operaciones a las máquinas que pueden ejecutarlas y el de secuenciación de las operaciones en cada una de las máquinas. Para este problema se propone, como función objetivo, minimizar la suma de los costes asociados a los adelantos y retrasos que se generan con respecto a la fecha de entrega comprometida y unos costes dependientes del intervalo de realización de las operaciones. De entre estos últimos se utiliza el coste de la energía necesaria para ejecutar las operaciones de los jobs (tareas) en las máquinas. Para resolver el problema propuesto se plantea un procedimiento dividido en tres pasos. En el Paso 1 se obtiene una secuencia inicial de jobs; en el Paso 2 se genera una solución inicial mediante un procedimiento que se basa principalmente en realizar, simultáneamente, la construcción y búsqueda del camino mínimo en un grafo polietápico para cada job; y en el Paso 3 se emplean procedimientos de mejora de la solución inicial. También se exponen los resultados de la experiencia computacional que evalúa el procedimiento de resolución propuesto. En los resultados se observa que el procedimiento favorece la programación de las operaciones respetando las fechas de entrega, y ayuda a reducir la factura de la empresa eléctrica, ya que en las soluciones de un conjunto de tipos de ejemplares se observa cómo se asignan, mayoritariamente, operaciones a máquinas con menor consumo de energía, y principalmente en aquellos intervalos de tiempo en los que el coste de la energía es menor. Al analizar los resultados de la experiencia computacional se observa, además, que el procedimiento encuentra la solución de ejemplares de diferente dimensión en un tiempo de proceso de ordenador razonable

    In the context of the job-shop scheduling problem, this thesis introduces a new problem, which is identified as the flexible job-shop scheduling problem (fJSP) with due dates and energy costs that are dependent on the time interval in which the operations are processed. The fJSP involves two subproblems: that of assigning operations to the machines that can process them and that of sequencing the operations on each of the machines. For this problem, we propose an objective function that minimizes the sum of the costs of earliness and tardiness with respect to the due date and the costs that depend on the time interval in which the operations are processed. Regarding these costs, we have focused primarily on the cost of the energy required to process the jobs on the machines. To solve the proposed problem, we suggest a solution procedure that is divided into three steps. Step 1 involves obtaining an initial sequence of jobs, Step 2 involves generating an initial solution using a procedure based primarily on simultaneously constructing and finding the shortest path in a multistage graph for each job, and Step 3 involves implementing procedures for improving the initial solution. We report the results of the computational experiment used to test the proposed solution procedure. We were able to conclude from the results that the procedure is useful for scheduling operations while respecting due dates and that it could help reduce electricity bills, since the solutions to a set of example types demonstrated that operations were generally assigned to machines with a lower energy consumption, and mainly in time intervals in which the energy costs is low. When analysing the results of the computational experiment, we also observed that the procedure found the solution for examples of varying sizes in a fairly reasonable computer processing time.

  • LETRIS: staffing service systems by means of simulation

     Corominas Subias, Albert; Lusa Garcia, Amaia
    Journal of industrial engineering and management (JIEM)
    Date of publication: 2012
    Journal article

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    Purpose: This paper introduces a procedure for solving the staffing problem in a service system (i.e., determining the number of servers for each staffing period). Design/methodology: The proposed algorithm combines the use of queueing theory to find an initial solution with the use of simulation to adjust the number of servers to meet previously specified target non-delay probabilities. The basic idea of the simulation phase of the procedure is to successively fix the number of servers from the first staffing period to the last, without backtracking. Findings: Under the assumptions that the number of servers is not upper-bounded and there are no abandonments and, therefore, no retrials, the procedure converges in a finite number of iterations, regardless of the distributions of arrivals and services, and requires a reasonable amount of computing time. Originality / value: The new procedure proposed in this paper is a systematic, robust way to find a good solution to a relevant problem in the field of service management and it is very easy to implement using no more than commonly accessible tools.

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    Strategic capacity planning in KIOs: a classification scheme  Open access

     Martinez Costa, M. Carmen; Lusa Garcia, Amaia; Mas Machuca, Marta; De La Torre Martinez, Maria Del Rocio; Mateo Doll, Manuel
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation's date: 2012-07-18
    Presentation of work at congresses

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    This paper introduces the Strategic Capacity Planning problem in knowledge intensive organizations (KIOs) and proposes a classification scheme based on different characteristics such as the organization structure, the workforce characteristics, the capacity requirements, the capacity decisions or the evaluation criteria, among others. The classification, which gives rise to a high number of variants, is the first step towards a general solving methodology design and the developing of ad hoc solving procedures

  • A detailed workforce planning model including non-linear dependence of capacity on the size of the staff and cash management

     Corominas Subias, Albert; Lusa Garcia, Amaia; Olivella Nadal, Jorge
    European journal of operational research
    Date of publication: 2012-01-01
    Journal article

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  • La cultura organizativa y la percepción de igualdad de oportunidades entre mujeres y hombres  Open access

     Tura Solvas, Marta
    Defense's date: 2012-03-29
    Department of Business Administration, Universitat Politècnica de Catalunya
    Theses

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    The organizational culture understood as the set of beliefs and values shared by the individuals of an organization, it can modulate and guide, in different degree the behavior of the people who are employed at an organization and also of those who are joining establishing processes of identity and exclusion. The importance of the organizational culture like key factor for the efficiency of the organization, like comparative advantage and also like process of change is demonstrated. The organization can through performances and policies generate behaviors that support the existence of values within the organization. The equality of opportunities between women and men constitutes a value that must join the organizations, understanding the equality of opportunities of kind as the absence of obstacles or barriers that make difficult to the women the participation in the economic area, cultural and social politician in equality of conditions that the masculine group. The equality of sort opportunities reports to the organizations a series of advantages and benefits that have their base in the satisfaction of the personnel, the labor climate, the commitment with the organization, the enrichment and the corporative image. The perception of an unjust treatment or discriminatory has organizational and personal, such consequences as the decrease of the productivity, the increase of the labor absenteeism and the increase of complaints and legal actions. The nonexistence of information and investigations on the perception of equality of opportunities of kind and his possible relation with the organizational culture, has motivated the exposition of this thesis. The general aim of the thesis consists of determining if relation exists between the organizational culture and the equality of opportunities of kind. To obtain this general aim it has considered to identify the areas or dimensions more relevant that they affect the perception of equality of opportunities of kind. To identify if there exists a typology of organizational culture that favors or impedes the perception of equality of opportunities of kind and to analyze the relation between the dimensions of equality of kind and the type of organizational culture. To reach the proposed aims has followed a concrete methodology characterized by 3 phases of investigation: the first one where it is designed and validated a Scale of measurement of the perception of equality of opportunities of kind (EIOG), the second phase, there raises a model of structural equations who relates the different typologies of organizational culture and the perception of discrimination of kind and the third phase that relates the different typologies of organizational culture and the scale of perception (EIOG). For the elaboration of scale EIOG two representative samples have been used, one of 274 people belonging to the university sector and other of 354 people belonging to organizations of the industrial sector and with more than 50 workers / hard-working that have allowed the validation of the scale by means of an analysis of validity of content, convergent and discriminante, as well as an analysis of reliability of the scale. The phase 2 and 3 develop across models of structural equations, statistical powerful tool for the study of causal relations.The investigation concludes that relation exists between both variables object of this thesis, relation exists between the organizational culture and the perception of equality of opportunities between women and men. The contribution of this investigation to the business management is that the persons with responsibilities that occupy the management dome, can have more prudent behaviors, identifying more dominant organizational or influential cultures in the perception and behaviors of his employees and employees. The high direction must be conscious of this advantage implementing policies that promote the equity.

  • A manufacturing and remanufacturing aggregate planning model considering a non-linear supply function of recovered products

     Corominas Subias, Albert; Lusa Garcia, Amaia; Olivella Nadal, Jorge
    Production planning and control
    Date of publication: 2012
    Journal article

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  • An integral planning model that includes production, selling price, cash flow management and flexible capacity

     Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Mas Machuca, Marta
    International Journal of Production Research
    Date of publication: 2012-05-10
    Journal article

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  • Planning working time accounts under demand uncertainty

     Lusa Garcia, Amaia; Pastor Moreno, Rafael
    Computers & operations research
    Date of publication: 2011-02
    Journal article

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    Working timeaccounts(WTAs)areemployer-orientedflexibilitysystemsthathavebeenappliedin industrybutcouldbeusedfarmore.WTAsenablecapacitytobeadaptedtofluctuationsindemand.The requiredcapacity,whichisneededtoplanWTAs,usuallydependsonseveralfactors.Itisoften impossibletoreliablypredicttherequiredcapacityorunrealistictoadjustittoaprobability distribution.Insomecases,asetofrequired-capacityscenarioscanbedetermined,eachwitharelated probability.Thispaperpresentsamultistagestochasticoptimisationmodelthatisrobust(i.e.,provides a solutionthatisfeasibleforanypossiblescenario)andminimisestheexpectedtotalcost(which includesthecostofovertimeandthecostofthecapacityshortage).

  • Planificación de la capacidad a largo plazo y diseño de la red de suministro

     Coves Moreno, Anna Maria; Mateo Doll, Manuel; Benedito Benet, Ernest; Mas Machuca, Marta; Martinez Costa, M. Carmen; Corominas Subias, Albert; Ribas Vila, Immaculada; Lusa Garcia, Amaia
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  • Enginyeres a Catalunya. De les pioneres, fins als anys 80.

     Calvet Puig, Maria Dolors; Pons Peregort, Olga; Pardo Trafach, Patricia Teresa; Salán Ballesteros, Mª Núria; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Galera Rodrigo, Mª Asuncion
    Date: 2011-11-07
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    Planificación Agregada Integrada de la Empresa: una propuesta para la clasificación de problemas  Open access

     Corominas Subias, Albert; Coves Moreno, Anna Maria; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Mas Machuca, Marta; Olivella Nadal, Jorge
    International Conference on Industrial Engineering and Industrial Management
    Presentation's date: 2010-09-09
    Presentation of work at congresses

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    La planificación agregada se concibe como un instrumento para prever, a medio plazo, las actividades del área de operaciones. Resulta evidente que los resultados de la planificación agregada tienen un gran impacto en la planificación y coordinación de los recursos de toda la organización y, por ello, existe una tendencia a incluir en la planificación agregada decisiones de otras áreas funcionales de la empresa, como personal, contabilidad y finanzas, aprovisionamientos o marketing. En este trabajo se presenta el problema de Planificación Agregada Integrada de la Empresa y se propone una clasificación basada en sus características principales.

  • Salud y movilidad: nuevos ámbitos para el análisis de la igualdad de oportunidades en empresas y sectores empresariales

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Tura Solvas, Marta
    International Conference on Industrial Engineering and Industrial Management
    Presentation's date: 2010-09-09
    Presentation of work at congresses

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    Se presentan los resultados de una investigación que ha permitido ampliar con dos nuevos ámbitos los indicadores necesarios para la redacción de planes de igualdad en las empresas. Los indicadores que se proponen se enmarcan en los ámbitos de la prevención de la salud y de los riesgos laborales, y de la gestión de la movilidad. En este trabajo se introduce la perspectiva de género en los indicadores de unos ámbitos donde la discriminación no siempre es evidente; esto permite a las empresas conocer qué aspectos debe mejorar para conseguir la igualdad real entre sus integrantes.

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    Integración de decisiones de inversión en capacidad en la planificación agregada  Open access

     Corominas Subias, Albert; Lusa Garcia, Amaia; Martinez Costa, M. Carmen
    International Conference on Industrial Engineering and Industrial Management
    Presentation's date: 2010-09-08
    Presentation of work at congresses

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    En este trabajo se presenta un modelo de programación lineal mixta para un problema de planificación agregada en el que se incluyen decisiones de ampliación de la capacidad que suelen inscribirse en un nivel de planificación estratégica. Se supone que el equipo adicional (que puede adquirirse o no) y el antiguo se integran para dar lugar a una nueva configuración productiva única, con costes variables distintos de los correspondientes al equipo antiguo. El modelo, cuyo objetivo consiste en maximizar el beneficio, incluye además la gestión financiera.

  • Exact and non-exact procedures for solving the response time variability problem (RTVP)  Open access  awarded activity

     García Villoria, Alberto
    Defense's date: 2010-07-05
    Department of Business Administration, Universitat Politècnica de Catalunya
    Theses

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    Cuando se ha de compartir un recurso entre demandas (de productos, clientes, tareas, etc.) competitivas que requieren una atención regular, es importante programar el derecho al acceso del recurso de alguna forma justa de manera que cada producto, cliente o tarea reciba un acceso al recurso proporcional a su demanda relativa al total de las demandas competitivas. Este tipo de problemas de secuenciación pueden ser generalizados bajo el siguiente esquema. Dados n símbolos, cada uno con demanda di (i = 1,...,n), se ha de generar una secuencia justa o regular donde cada símbolo aparezca di veces. No existe una definición universal de justicia, ya que puede haber varias métricas razonables para medirla según el problema específico considerado. En el Problema de Variabilidad en el Tiempo de Respuesta, o Response Time Variability Problem (RTVP) en inglés, la injusticia o irregularidad de una secuencia es medida como la suma, para todos los símbolos, de sus variabilidades en las distancias en que las copias de cada símbolo son secuenciados. Así, el objetivo del RTVP es encontrar la secuencia que minimice la variabilidad total. En otras palabras, el objetivo del RTVP es minimizar la variabilidad de los instantes en que los productos, clientes o trabajos reciben el recurso necesario. Este problema aparece en una amplia variedad de situaciones de la vida real; entre otras, secuenciación en líneas de modelo-mixto bajo just-in-time (JIT), en asignación de recursos en sistemas computacionales multi-hilo como sistemas operativos, servidores de red y aplicaciones mutimedia, en el mantenimiento periódico de maquinaria, en la recolección de basura, en la programación de comerciales en televisión y en el diseño de rutas para agentes comerciales con múltiples visitas a un mismo cliente. En algunos de estos problemas la regularidad no es una propiedad deseable por sí misma, si no que ayuda a minimizar costes. De hecho, cuando los costes son proporcionales al cuadrado de las distancias, el problema de minimizar costes y el RTVP son equivalentes. El RTVP es muy difícil de resolver (se ha demostrado que es NP-hard). El tamaño de las instancias del RTVP que pueden ser resueltas óptimamente con el mejor método exacto existente en la literatura tiene un límite práctico de 40 unidades. Por otro lado, los métodos no exactos propuestos en la literatura para resolver instancias mayores consisten en heurísticos simples que obtienen soluciones rápidamente, pero cuya calidad puede ser mejorada. Por tanto, los métodos de resolución existentes en la literatura son insuficientes. El principal objetivo de esta tesis es mejorar la resolución del RTVP. Este objetivo se divide en los dos siguientes subobjetivos : 1) aumentar el tamaño de las instancias del RTVP que puedan ser resueltas de forma óptima en un tiempo de computación práctico, y 2) obtener de forma eficiente soluciones lo más cercanas a las óptimas para instancias mayores. Además, la tesis tiene los dos siguientes objetivos secundarios: a) investigar el uso de metaheurísticos bajo el esquema de los hiper-heurísticos, y b) diseñar un procedimiento sistemático y automático para fijar los valores adecuados a los parámetros de los algoritmos. Se han desarrollado diversos métodos para alcanzar los objetivos anteriormente descritos. Para la resolución del RTVP se ha diseñado un método exacto basado en la técnica branch and bound y el tamaño de las instancias que pueden resolverse en un tiempo práctico se ha incrementado a 55 unidades. Para instancias mayores, se han diseñado métodos heurísticos, metaheurísticos e hiper-heurísticos, los cuales pueden obtener soluciones óptimas o casi óptimas rápidamente. Además, se ha propuesto un procedimiento sistemático y automático para tunear parámetros que aprovecha las ventajas de dos procedimientos existentes (el algoritmo Nelder & Mead y CALIBRA).

    When a resource must be shared between competing demands (of products, clients, jobs, etc.) that require regular attention, it is important to schedule the access right to the resource in some fair manner so that each product, client or job receives a share of the resource that is proportional to its demand relative to the total of the competing demands. These types of sequencing problems can be generalized under the following scheme. Given n symbols, each one with demand di (i = 1,...,n), a fair or regular sequence must be built in which each symbol appears di times. There is not a universal definition of fairness, as several reasonable metrics to measure it can be defined according to the specific considered problem. In the Response Time Variability Problem (RTVP), the unfairness or the irregularity of a sequence is measured by the sum, for all symbols, of their variabilities in the positions at which the copies of each symbol are sequenced. Thus, the objective of the RTVP is to find the sequence that minimises the total variability. In other words, the RTVP objective is to minimise the variability in the instants at which products, clients or jobs receive the necessary resource. This problem appears in a broad range of real-world areas. Applications include sequencing of mixed-model assembly lines under just-in-time (JIT), resource allocation in computer multi-threaded systems such as operating systems, network servers and media-based applications, periodic machine maintenance, waste collection, scheduling commercial videotapes for television and designing of salespeople's routes with multiple visits, among others. In some of these problems the regularity is not a property desirable by itself, but it helps to minimise costs. In fact, when the costs are proportional to the square of the distances, the problem of minimising costs and the RTVP are equivalent. The RTVP is very hard to be solved (it has been demonstrated that it is NP-hard). The size of the RTVP instances that can be solved optimally with the best exact method existing in the literature has a practical limit of 40 units. On the other hand, the non-exact methods proposed in the literature to solve larger instances are simple heuristics that obtains solutions quickly, but the quality of the obtained solutions can be improved. Thus, the solution methods existing in the literature are not enough to solve the RTVP. The main objective of this thesis is to improve the resolution of the RTVP. This objective is split in the two following sub-objectives: 1) to increase the size of the RTVP instances that can be solved optimally in a practical computing time; and 2) to obtain efficiently near-optimal solutions for larger instances. Moreover, the thesis has the following two secondary objectives: a) to research the use of metaheuristics under the scheme of hyper-heuristics, and b) to design a systematic, hands-off procedure to set the suitable values of the algorithm parameters. To achieve the aforementioned objectives, several procedures have been developed. To solve the RTVP an exact procedure based on the branch and bound technique has been designed and the size of the instances that can be solved in a practical time has been increased to 55 units. For larger instances, heuristic, heuristic, metaheuristic and hyper-heuristic procedures have been designed, which can obtain optimal or near-optimal solutions quickly. Moreover, a systematic, hands-off fine-tuning method that takes advantage of the two existing ones (Nelder & Mead algorithm and CALIBRA) has been proposed.

  • Enginyeres a Catalunya. De les pioneres fins als anys 80

     Pardo Trafach, Patricia Teresa; Pons Peregort, Olga; Galera Rodrigo, Mª Asuncion; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Salán Ballesteros, Mª Núria; Calvet Puig, Maria Dolors
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    A detailed workforce planning model including non-linear dependence of the capacity on the size of the staff and cash management  Open access

     Corominas Subias, Albert; Lusa Garcia, Amaia; Olivella Nadal, Jorge
    Date: 2010-01
    Report

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    This paper introduces an original planning model which integrates production, human resources and cash management decisions, taking into account the consequences that decisions in one area may have on other areas and allowing all these areas to be coordinated. The most relevant characteristics of the planning problem are: (1) production capacity is a non-linear function of the size of the staff; (2) firing costs may depend on the worker who is fired; (3) working time is managed under a working time account (WTA) scheme, so positive balances must be paid to workers who leave the company; (4) there is a learning period for hired workers; and (5) cash management is included. A mixed integer linear program is designed to solve the problem. Despite the size and complexity of the model, it can be solved in a reasonable time. A numerical example is included to illustrate its performance.

  • Planificación agregada de la producción, la plantilla, el tiempo de trabajo y la tesorería

     Boiteux, Orlando Dante; Corominas Subias, Albert; Lusa Garcia, Amaia; Martinez Costa, M. Carmen
    Intangible capital
    Date of publication: 2009-07
    Journal article

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  • Planes de igualdad por ley: Ventajas de la igualdad de oportunidades entre mujeres y hombres para las empresas

     Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Pons Peregort, Olga; Tura Solvas, Marta
    Intangible capital
    Date of publication: 2009-05
    Journal article

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  • Production planning under a working time accounts scheme

     Lusa Garcia, Amaia; Corominas Subias, Albert; Olivella Nadal, Jorge; Pastor Moreno, Rafael
    International Journal of Production Research
    Date of publication: 2009-01
    Journal article

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  • Planificación agregada de la producción. la plantilla, el tiempo de trabajo y la tesorería.

     Boiteux, Orlando Dante
    Defense's date: 2009-07-02
    Institute of Industrial and Control Engineering (IOC), Universitat Politècnica de Catalunya
    Theses

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  • A manufacturing and remanufacturing aggregate planning model with a non-linear supply function

     Olivella Nadal, Jorge; Lusa Garcia, Amaia; Corominas Subias, Albert
    INFORMS Annual Meeting
    Presentation's date: 2009-10-13
    Presentation of work at congresses

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  • Modelo de planificación agregada integrando las funciones de marketing y producción

     Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Mas Machuca, Marta
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation of work at congresses

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    Working time organization, competitiveness and quality of life  Open access

     Corominas Subias, Albert; Coves Moreno, Anna Maria; Lusa Garcia, Amaia; Ojeda Rodriguez, Jordi; Pastor Moreno, Rafael
    Date of publication: 2009-03
    Book

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    Organització del temps de treball, competitivitat i qualitat de vida aborda en profunditat les modalitats més importants de l’organització flexible del temps de treball i dels sistemes productius que han de funcionar de manera ininterrompuda, alhora que centra l’atenció en el nivell meso de l’organització del temps de treball. Aquest nivell està constituït per tres etapes: la planificació, la programació i l’assignació de tasques per a cada persona de la plantilla.

  • Integración de las decisiones de marketing y producción en la planificación agregada de la empresa: estado del arte y perspectivas

     Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Mas Machuca, Marta
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation of work at congresses

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  • Indicadors per als plans d'igualtat. Memòria del projecte

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Tura Solvas, Marta; Martinez Costa, M. Carmen
    Date: 2009-06
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  • Proposta de Pla d'Acció del Departament d'Interior, Relacions Institucionals i Participació

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Tura Solvas, Marta
    Date: 2009-03
    Report

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  • Presentació i diagnosi del Personal d'Administració i Serveis del Departament d'Interior, Relacions Institucionals i Participació de la Generalitat de Catalunya

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Tura Solvas, Marta
    Date: 2009-02
    Report

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  • Presentació i diagnosi del Cos de Bombers de la Generalitat de Catalunya

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Tura Solvas, Marta
    Date: 2009-02
    Report

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  • Presentació i diagnosi del Cos de Mossos d'Esquadra

     Pons Peregort, Olga; Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Nartínez, Carme Costa; Martinez Costa, M. Carmen; Tura Solvas, Marta
    Date: 2009-02
    Report

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  • Modelo de planificación agregada integrando las funciones de marketing y producción

     Lusa Garcia, Amaia
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation's date: 2009-09-02
    Presentation of work at congresses

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  • Modelo de planificación agregada conjunta de fabricación y remanufactura con oferta de productos usados dependiente del precio

     Corominas Subias, Albert; Lusa Garcia, Amaia; Olivella Nadal, Jorge
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation's date: 2009-09-02
    Presentation of work at congresses

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  • La equidad de género en la Universitat Politècnica de Catalunya

     Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Llorente Diaz, Marta; Martinez Costa, M. Carmen; Pons Peregort, Olga; Tura Solvas, Marta
    International Conference on Industrial Engineering and Industrial Management. Congreso de Ingeniería de Organización
    Presentation's date: 2009
    Presentation of work at congresses

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  • Human resource management using working time accounts with expiry of hours

     Corominas Subias, Albert; Lusa Garcia, Amaia; Pastor Moreno, Rafael
    Journal of Industrial and Management Optimization
    Date of publication: 2009-08
    Journal article

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  • Optimization of cold-formed steel pallet racking cross-sections for flexural-torsional buckling with constraints on the geometry

     Pastor Artigues, M. Magdalena; Casafont Ribera, Miquel; Chillaron Jordan, Eduardo; Lusa Garcia, Amaia; Roure Fernandez, Francisco; Somalo Coarasa, Maria Rosa
    Engineering structures
    Date of publication: 2009-11
    Journal article

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    Starting from a comprehensive set of experimental test results of upright cross-sections in compression, this paper is focussed on how the section can be optimally designed to achieve the highest possible failure load in global buckling. The aim is to optimize a cross-section prototype shape with restrictions on its geometry attending to manufacturing feasibility and assembly constraints. The proposed scheme consists of maximizing the design strength with respect to flexural torsional buckling, according to European Standard prEN 15512:2008 [European Standard prEN 15512:2008. Steel static storage systems - Adjustable pallet racking systems - Principles for structural design] / Fédération Européenne de la Manutention [Fédération Européenne de la Manutention (Section X): The design of static steel pallet racking. FEM 10.2.02; August 2000] design recommendations. This is a bicriteria optimization problem which is solved by formulating a nonlinear mathematical program. Optimization is performed prior to the finite element method (FEM) nonlinear analysis of the solution design. The procedure herein presented has two advantages: on the one hand it considerably reduces the number of nonlinear analyses, and on the other it ensures that the best design is achieved.

  • Access to the full text
    How to diagnose equal opportunities between women and men in organizations  Open access

     Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Calvet Puig, Maria Dolors; Pons Peregort, Olga; Tura Solvas, Marta
    Journal of industrial engineering and management (JIEM)
    Date of publication: 2009-09
    Journal article

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    Gender equality is now a matter that concerns all European countries. Despite the great effort made by governments and the progress of laws, gender discrimination still exists in family, social, cultural, political and economic spheres. Even today, it is rare to find women at the top level in companies. The path to equal opportunities is long and the only way to improve the situation is by means of appropriate equal opportunities plans. An essential part of the process of designing and implementing such action plans involves diagnosing the situation in a company. In this paper, an innovative indicator model is proposed. A review of numerous international private and public equal opportunities plans led to the design of a model to carry out a diagnose to identify all areas that could be corrected or improved by implementing specific measures, leading the company to deliver real equal opportunities policies. The indicator model is designed for the present historical context, though it is flexible enough to be adapted to each age and situation. The indicator model, which is original, will help companies carrying out one of the most important and essential parts of the process of designing and implementing and equal opportunities plan. Moreover, taking the indicator model companies ensure that all the relevant features are covered.

  • Determining the most appropriate set of weekly working hours for planning annualised working time

     Lusa Garcia, Amaia; Pastor Moreno, Rafael; Corominas Subias, Albert
    International journal of productIon economics
    Date of publication: 2008-02
    Journal article

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  • ISOS: A job evaluation system to implement comparable worth

     Corominas Subias, Albert; Coves Moreno, Anna Maria; Lusa Garcia, Amaia; Martinez Costa, M. Carmen
    Intangible capital
    Date of publication: 2008-01
    Journal article

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  • An exact procedure to plan holidays and working time under annualised hours considering cross-trained workers with different efficiencies

     Lusa Garcia, Amaia; Corominas Subias, Albert; Pastor Moreno, Rafael
    International Journal of Production Research
    Date of publication: 2008-04
    Journal article

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  • Planning Working Time by Means of Milp Models (Amaia Lusa, Albert Corominas, Rafael Pastor).

     Lusa Garcia, Amaia
    International Workshop on Operational Research (IWOR 2008)
    Presentation's date: 2008-06-06
    Presentation of work at congresses

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  • Diagnóstico de la igualdad de oportunidades en la Universitat Politècnica de Catalunya

     Martinez Costa, M. Carmen; Lusa Garcia, Amaia; Calvet Puig, Maria Dolors; Pons Peregort, Olga; Tura Solvas, Marta
    Date of publication: 2008-05
    Book chapter

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  • El plan de acción hacia la igualdad de oportunidades: una estrategia de la empresa en la Responsabilidad Social Corporativa

     Calvet Puig, Maria Dolors; Lusa Garcia, Amaia; Martinez Costa, M. Carmen; Pons Peregort, Olga; Tura Solvas, Marta
    International Conference on Industrial Engineering and Industrial Management
    Presentation's date: 2008
    Presentation of work at congresses

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  • Journal of industrial engineering and management (JIEM)

     Lusa Garcia, Amaia
    Collaboration in journals

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  • Journal of scheduling

     Lusa Garcia, Amaia
    Collaboration in journals

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  • Modelo de planificación agregada de la producción, la plantilla, el tiempo de trabajo y la tesorería

     Boiteux, Orlando Dante; Corominas Subias, Albert; Lusa Garcia, Amaia; Martinez Costa, M. Carmen
    International Conference on Industrial Engineering and Industrial Management
    Presentation of work at congresses

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  • A survey of the literature on the multiple or parallel assembly Line balancing problem

     Lusa Garcia, Amaia
    European journal of industrial engineering
    Date of publication: 2008-01
    Journal article

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  • A variable neighbourhood search algorithm for the constrained task allocation problem

     Lusa Garcia, Amaia; Potts, Chris N
    Journal of the Operational Research Society
    Date of publication: 2008-03
    Journal article

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  • A multistage scenario optimisation procedure to plan annualised working hours under demand uncertainty

     Lusa Garcia, Amaia; Corominas Subias, Albert; Norberto, Muñoz
    International journal of productIon economics
    Date of publication: 2008-06
    Journal article

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  • Planificación del tiempo de trabajo con cuentas de horas: el caso industrial

     Corominas Subias, Albert; Lusa Garcia, Amaia; Olivella Nadal, Jorge
    Dirección y organización
    Date of publication: 2008-06
    Journal article

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