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- Rubén Ruiz, Thomas Stützle
- European Journal of Operational Research
- 2007

Over the last decade many metaheuristics have been applied to the flowshop scheduling problem, ranging from Simulated Annealing or Tabu Search to complex hybrid techniques. Some of these methods provide excellent effectiveness and efficiency at the expense of being utterly complicated. In fact, several published methods require substantial implementation… (More)

- Quan-Ke Pan, Rubén Ruiz
- Computers & OR
- 2005

In recent years, a large number of heuristics have been proposed for the minimization of the total or mean flowtime/completion time of the well-known permutation flowshop scheduling problem. Although some literature reviews and comparisons have been made, they do not include the latest available heuristics and results are hard to compare as no common… (More)

- B. Naderi, Rubén Ruiz
- Computers & OR
- 2010

This paper studies a new generalization of the regular permutation flowshop scheduling problem (PFSP) referred to as the distributed permutation flowshop scheduling problem or DPFSP. Under this generalization, we assume that there are a total of identical factories or shops, each one with machines disposed in series. A set of n available jobs have to be… (More)

- Rubén Ruiz, Concepción Maroto
- European Journal of Operational Research
- 2006

- Gerardo Minella, Rubén Ruiz, Michele Ciavotta
- INFORMS Journal on Computing
- 2008

This paper contains a complete and updated review of the literature for multiobjective flowshop problems which are among the most studied environments in the scheduling research area. No previous comprehensive reviews exist in the literature. Papers about lexicographical, goal programming, objective weighting and Pareto approaches have been reviewed. Exact,… (More)

- Rubén Ruiz, Thomas Stützle
- European Journal of Operational Research
- 2008

- Rubén Ruiz, Concepción Maroto, Javier Alcaraz
- European Journal of Operational Research
- 2005

This paper deals with the permutation flowshop scheduling problem in which there are sequence dependent setup times on each machine, commonly known as the SDST flowshop. The optimisation criteria considered is the minimisation of the makespan or Cmax. Genetic algorithms have been successfully applied to regular flowshops before, and the objective of this… (More)

- Rubén Ruiz, José Antonio Vázquez Rodríguez
- European Journal of Operational Research
- 2010

The scheduling of flow shops with multiple parallel machines per stage, usually referred to as the Hybrid Flow Shop (HFS), is a complex combinatorial problem encountered in many real world applications. Given its importance and complexity, the HFS problem has been intensively studied. This paper presents a literature review on exact, heuristic and… (More)

- Eva Vallada, Rubén Ruiz
- European Journal of Operational Research
- 2011

- Eva Vallada, Rubén Ruiz, Gerardo Minella
- Computers & OR
- 2008

In this work, a review and comprehensive evaluation of heuristics and metaheuristics for the m-machine flowshop scheduling problem with the objective of minimising total tardiness is presented. Published reviews about this objective usually deal with a single machine or parallel machines and no recent methods are compared. Moreover, the existing reviews do… (More)