نتایج جستجو برای: availability constraint
تعداد نتایج: 222486 فیلتر نتایج به سال:
In military manufacturing enterprises, exceptionally high product performance standards are generally met by using heat treatment followed machining. These procedures typically parallel batch-processing (BP) scheduling problems and job-shop problems, respectively. A mixed-integer nonlinear programming model is created to describe the problem with a machine availability constraint, which divided...
For patients with end-stage heart failure, cardiac transplantation persists to be the gold standard. Nevertheless, the availability of organs remains a main constraint to the treatment. Through mounting usage of ex vivo heart perfusion an increase in organ availability was achieved by reconditioning of organs formerly not regarded as appropriate for transplantation. We propose the future standa...
This paper deals with a single machine scheduling problem with availability constraints. The jobs are splitable and lower bound on the size of each sub-job is imposed. The objective is to find a feasible schedule that minimizes the makespan. The proposed scheduling problem is proved to be NP-hard in the strong sense. Some effective heuristic algorithms are then proposed. Additionally, computati...
in this paper, using the idea of convexificators, we study boundedness and nonemptiness of lagrange multipliers satisfying the first order necessary conditions. we consider a class of nons- mooth fractional programming problems with equality, inequality constraints and an arbitrary set constraint. within this context, define generalized mangasarian-fromovitz constraint qualification and show t...
One of the main reasons why constraint programming quickly found its way into applications has been the early availability of usable constraint programming systems. Given the wide range of applications using constraint programming it is obvious that one of the key properties of constraint programming systems is their provision of widely reusable services for constructing constraint-based applic...
Vehicular ad-hoc networks (VANETs) is a promising approach to the dissemination of spatiotemporal information such as the current traffic condition of a road segment or the availability of a parking space. Due to the constraint of the communication bandwidth, only a limited number of information items may be transmitted upon a vehicle-to-vehicle communication opportunity. Ranking becomes critic...
Constraint programming is rapidly becoming the technology of choice for modelling and solving complex combinatorial problems. However, users of this technology need significant expertise in order to model their problem appropriately. The lack of availability of such expertise is a significant bottleneck to the broader uptake of constraint technology in the real world. We present a new SATbased ...
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