Parameter matching joint optimization method of fuel cell hybrid tramcar

A tram and parameter matching technology, applied to electric vehicles, electric locomotives, motor vehicles, etc., can solve the problems of wasteful operation and maintenance costs of loading equipment, excessive design redundancy of vehicle power system, and failure to consider load power distribution, etc.

Active Publication Date: 2018-01-23
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

However, the design of the existing method does not consider the load power distribution during the locomotive operation process, that is, the in-depth study of the energy management in the later stage is not ca

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  • Parameter matching joint optimization method of fuel cell hybrid tramcar
  • Parameter matching joint optimization method of fuel cell hybrid tramcar
  • Parameter matching joint optimization method of fuel cell hybrid tramcar

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Embodiment Construction

[0050] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further elaborated below in conjunction with the accompanying drawings. proposed for the image 3 The joint optimization method of fuel cell / supercapacitor / battery hybrid system parameter matching is shown.

[0051] In the examples, see figure 1 with figure 2 As shown, the present invention proposes a joint optimization method for fuel cell hybrid tram parameter matching, including steps S100-S500.

[0052] S100, determining the operating condition of the tram; further determining the parameter feasible region of the fuel cell hybrid power system, and forming a set of preliminary alternative options for parameter matching composed of alternative parameter combinations.

[0053] In step S100, according to the basic parameters of the locomotive and the target line conditions, design the index of the power system of the tram, and determine the...

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Abstract

The invention discloses a parameter matching joint optimization method of a fuel cell hybrid tramcar. The method includes: according to operation needs and target route conditions, designing tramcar power system indexes and tramcar operation conditions and determining the parameter feasible region of a fuel cell hybrid power system to form a preliminary parameter matching alternative scheme; usingwhole life cycle cost, service time and the power performance of the whole tramcar as the optimization targets to build a multi-target optimization function, using the self-adaptation swarm intelligent optimization algorithm based on probability indexes to complete load allocation under optional parameter combination, and using the load allocation when the value of the multi-target optimization function is minimum as the optimal allocation result under the parameter matching combination; traversing all alternative parameter combinations, and searching for the global optimum on the basis of the individual optimum to complete the optimal parameter matching optimization calculation of the fuel cell hybrid tramcar. By the method, hydrogen consumption can be reduced effectively, the efficiencyof the whole tramcar can be increased, and optimal economical efficiency during operation can be achieved.

Description

technical field [0001] The invention belongs to the technical field of hybrid power, in particular to a joint optimization method for parameter matching of a fuel cell hybrid electric tram. Background technique [0002] For a long time, fossil energy has been the main source of energy for human survival, which not only caused huge pollution and damage to the ecological environment, but also accelerated the speed of its depletion due to the large-scale adoption of fossil energy. The progress and development of human society cannot be separated from the support of energy, so human beings began to pay attention to the development and use of clean energy. Among many clean energy sources, hydrogen energy is the ultimate energy source for human society, and it is characterized by high efficiency and cleanliness. The collection and storage technology of hydrogen energy is very mature, and its technical application has also been greatly developed. Among them, fuel cells are the mai...

Claims

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Application Information

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IPC IPC(8): B61C3/00B61C3/02B60L11/18G06F17/50
CPCY02T10/70Y02T90/40
Inventor 孟翔李奇陈维荣张国瑞王天宏
Owner SOUTHWEST JIAOTONG UNIV
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