Cooperative Optimization for Fuel Cell Tram Energy Management and Speed Profile

doi:10.3901/JME.2022.10.169

Abstract

Abstract: Energy management strategy optimization and speed profile optimization have an important influence on tram operating costs. To reduce the operating cost of fuel cell tram, this paper proposes three simultaneous optimization schemes of energy management and speed profile: the parallel optimization, the sequential optimization, and the cooperative optimization. The two optimization processes of the parallel optimization scheme run independently, the sequential scheme have a one-way connection, while the cooperative scheme is based on a hybrid intelligent algorithm to achieve a two-way connection between the two optimization processes. With reference to the structure of the life cycle cost of the tram, the cost function consists of the initial investment, operation, and replacement maintenance costs of energy sources. The replacement maintenance cost takes into account the life factor of the energy source. Using data from a tram line in Wuhan, the application effects of all schemes were analyzed and compared with the single optimized schemes. The cooperative optimization scheme obtained the best train operating cost and fuel cell efficiency.

Key words: tram, fuel cell, energy management strategy, speed profile, cooperative optimization

CLC Number:

U482

ZHANG Han, YANG Jibin, ZHANG Jiye, XU Xiaohui. Cooperative Optimization for Fuel Cell Tram Energy Management and Speed Profile[J]. Journal of Mechanical Engineering, 2022, 58(10): 169-179.

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