In this paper we set the first steps towards the development of a commercially viable tool that uses evolutionary computation to address the Product to Shelf Allocation Problem (P2SAP). The problem is described as that of finding the numbers and locations of modules to allocate to particular products in a shop, fulfilling at the same time a number of constraints. We first justify the use of evolutionary algorithms in this problem in the bad scalability properties shown by exact methods. Then we proceed, from simpler to more complex versions of the problem, to describe different encodings, fitness functions and evolutionary operators that are suited to the problem. The variations described are tested on five different problem configurations: three with one shelf, one with two shelves and one with eight shelves. In all cases acceptable results can be obtained in a very short timescale, although there is much work to be done on the subject.

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In previous work we gave the first steps towards the development of a commercially viable tool that used evolutionary computation to address the Linear Shelf Space Allocation Problem (LiSSAP). This consists on allocating lengths of shelves in a given shop to specific products or groups of products.Here we present a procedure to solve the problem based on two stages. The first one relies on finding the "ideal" number of modules for every group of products. The second one uses an evolutionary algorithm (μ + λ)-ES to fulfill groups affinity requirements. Moreover, a new distance measure between modules is also introduced, which has an important effect on the fitness function.Finally, we analyse different choices that can be made in the evolutionary algorithm and how they affect the global performance of the algorithm. These involve the chromosome encoding and the λ parameter. The different combinations described are tested on two real problem configurations.

Dentro de los estudios de Métodos y Tiempos, el cálculo de los coeficientes de fatiga es un aspecto fundamental por su impacto en la definición de los estándares de trabajo. Sin embargo, no hay un criterio universal al respecto ya que incluso la Organización Internacional del Trabajo (OIT) no llega nunca a definir una norma, sino que plantea unas recomendaciones de manera didáctica para que sean usadas por las par tes afectadas si así lo consideran oportuno. En este trabajo se presentan el resultado de un análisis de estos criterios desarrollados en colaboración con la Comisión Técnica de Organización del Trabajo del Tribunal de Arbitraje Laboral de la Comunidad Valenciana realizado a par tir de las tablas de suplementos existentes para su uso de manera interna en los procesos de arbitraje en los que participa la comisión.