نتایج جستجو برای: we proposed an improved ant system

تعداد نتایج: 8751986  

Journal: :international journal of automotive engineering 0
m. tehrani mechanical engineering department, university of tehran, tehran, iran r. hairi-yazdi mechanical engineering department, university of tehran, tehran, iran ba. haghpanah-jahromi mechanical and industrial engineering department, northeastern university, boston, massachusetts, usa v. esfahanian mechanical engineering department, university of tehran, tehran, iran m. amiri mechanical engineering department, university of tehran, tehran, iran r. jafari mechanical engineering department, university of tehran, tehran, iran

in this paper, an adaptive rule based controller for an anti-lock regenerative braking system (arbs) of a series hybrid electric bus (sheb) has been proposed. the proposed controller integrates the regenerative braking and wheel anti-lock functions by controlling the electric motor of the hybrid vehicle, without using any conventional mechanical anti-lock braking system. the performance of the ...

2015
Fang Zhao

Ant algorithm is a novel meta-heuristic optimization algorithm, but at the same time there are some disadvantages. This paper proposed an ant colony algorithm with route evaluation based on the basic ant colony algorithm. After all ant complete the route search once, the current search situation can be evaluated according to an improved formula of standard deviation, then to decide to update gl...

1997
Bernd Bullnheimer Richard F. Hartl Christine Strauss

In this paper we use a recently proposed metaheuristic, the Ant System, to solve the Vehicle Routing Problem (VRP) in its basic form, i.e. with capacity and distance restrictions, one central depot and identical vehicles. A \hybrid" Ant System algorithm is rst presented and then improved using problem speciic information (savings, capacity utilization). Experiments on various aspects of the alg...

Journal: :Computers & OR 2017
Rafal Skinderowicz

It is not rare that the performance of one metaheuristic algorithm can be improved by incorporating ideas taken from another. In this article we present how Simulated Annealing (SA) can be used to improve the efficiency of the Ant Colony System (ACS) and Enhanced ACS when solving the Sequential Ordering Problem (SOP). Moreover, we show how the very same ideas can be applied to improve the conve...

2013
Peng Li Zengxiu Zhang Xufeng An

A kind of intelligent control system based on fuzzy neural network optimized and trained by the adaptive ant colony optimization algorithm was proposed and constructed in this paper. The structure and the parameters of this intelligent control system were introduced. This intelligent control system used as joint servo controller is applied to the simulation research of robot control. Simulation...

2015
Guangming Xiong Xiaoyun Li Shuai Zhou Hao Lu Yan Jiang Jianwei Gong

A multi-objective multi-node dynamic route planning system for a vehicle is presented in this paper. In this system, a bidirectional heuristic search algorithm is designed to perform path planning between two nodes in a topological map created by OpenStreetMap for urban scenarios. And then an improved multi-objective Ant Colony Optimization (ACO) algorithm considering the timeliness of goal nod...

F. Maleki, M. Yousefikhoshbakht,

The open vehicle routing problem (OVRP) is a variance of the vehicle routing problem (VRP) that has a unique character which is its open path form. This means that the vehicles are not required to return to the depot after completing service. Because this problem belongs to the NP-hard problems, many metaheuristic approaches like the ant colony optimization (ACO) have been used to solve OVRP in...

Tendency to optimization in last decades has resulted in creating multi-product manufacturing systems. Production planning in such systems is difficult, because optimal production volume that is calculated must be consistent with limitation of production system. Hence, integration has been proposed to decide about these problems concurrently. Main problem in integration is how we can relate pro...

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