Bi-objective RCPSP with time-dependent resource costs

J. Alcaraz, L. Anton-Sanchez, F. Saldanha-da-Gama

This work provides new insights on bi-criteria resource-constrained project scheduling problems. We define a realistic problem where the objectives to combine are the makespan and the total cost for resource usage. Time-dependent costs are assumed for the resources, i.e., they depend on when a resource is used. An optimization model is presented and it is followed by the development of an algorithm aiming at finding the set of Pareto solutions. The intractability of the optimization models underlying the problem also justifies the development of a metaheuristic for approximating the same front. We design a bi-objective evolutionary algorithm that includes problem-specific knowledge and is based on the Non-dominated Sorting Genetic Algorithm (NSGA-II). The results of extensive computational experiments performed using instances built from those available in the literature are reported. The results demonstrate the efficiency of the metaheuristic proposed.

Keywords: Resource-constrained project scheduling problem, time-dependent resource costs, makespan, multi-objective optimization, exact Pareto front, metaheuristics

Scheduled

GT22 Production
June 8, 2022  5:20 PM
A11

Other papers in the same session

Flow-shop con tiempos de ajuste y necesidad de recursos adicionales

J. C. Yepes Borrero, F. Perea, F. Villa, E. Vallada

Taller regular de flujo con recursos humanos y setups dependientes de la secuencia

V. Fernandez-Viagas, L. Sanchez-Mediano, J. M. Molina Pariente, Á. Angulo Cortés, J. M. Framinan

Programación de la producción sostenible en el taller de flujo regular

P. Pérez González, P. Sanches de los Reyes

Latest news

  • 6/8/22
    Visit Alhambra

    Tomorrow, Thursday, we will visit the Alhambra. 1. At 7:00 p.m., buses will start leaving from the door of the Hotel Granada Center (in front of the door of the Faculty of Sciences) 2. Upon arrival, groups with guides will be organized. 3. There will be groups in English language. These groups will wait at the destination until the arrival of all buses. 4. After the visit to the Alhambra we will walk to the Carmen de los Mártires to have a cocktail. 5. On the way back, we can go back by bus, which will leave from the same place where they left us at the Alhambra. 6. Although the way to the Alhambra by bus seems long, it really is close to the city. We invite you, whoever wishes, to go down for a pleasant walk. 7. Do not forget to take your Alhambra ticket and your identity card or passport. The document must be the same whose number matches the ticket number you have.

  • 5/31/22
    YouTube Channel

    The menu label is already on the web from where you can see the live broadcasts: inauguration, plenary sessions, round tables,... Don't forget to enter the YouTube channel and subscribe!!!!

  • 5/27/22
    Gala Dinner

    It opens the possibility that anyone who is registered for the conference, and wants non-registered companions to attend the gala dinner, can do so by paying the price of this dinner (80 euros VAT included). This payment must be made before June 1 (inclusive). To do this, contact with [email protected]

  • 5/23/22
    IMPORTANT WARNING

    To access the Alhambra on the visit on Thursday 9, it is obligatory to present the identification document whose reference was sent to the organization (eurocongress)

  • 5/16/22
    Social Events

    All social events are included with the payment of the corresponding registration.

Organizers

Partners

Sponsors

Cookie policy

We use cookies in order to be able to identify and authenticate you on the website. They are necessary for the correct functioning of it, and therefore they can not be disabled. If you continue browsing the website, you are agreeing with their acceptance, as well as our Privacy Policy.

Additionally, we use Google Analytics in order to analyze the website traffic. They also use cookies and you can accept or refuse them with the buttons below.

You can read more details about our Cookie Policy and our Privacy Policy.