A column generation algorithm for solving a class of nonlinear traffic assignment problems is presented. The fundamental advantage of the algorithm is that it does not require the a priori generation ...

Lagrangian relaxation, strength of the Lagrangian dual, Lagrangian heuristics. Column generation algorithm, solving the symmetric traveling salesman problem using column generation. Greedy and local ...

Crude oil refining is an important part of the chemical industry. The separation of different components in crude oil is realized by distillation columns. To optimize distillation columns, operating ...

Martin Desrochers, Jacques Desrosiers, Marius Solomon, A New Optimization Algorithm for the Vehicle Routing Problem with Time Windows, Operations Research, Vol. 40 ...

With the rapid development of the world economy, all countries are faced with energy shortage and environmental pollution. The traditional energy system is centralized and large-scale, the ...

1 School of Control Science and Engineering, Shandong University, Jinan, China 2 Yangzhou Huading Electric Co., Ltd., Yangzhou, China This paper proposes a four-port soft open point (FSOP) with ...