题名: |
LOGIC-BASED, PERFORMANCE-DRIVEN ELECTRIC VEHICLE
SOFTWARE DESIGN TOOL
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作者: |
Donald M. Blackketter David G. Alexander |
关键词: |
Dual fuel vehicles; light vehicles; numerical analysis; vehicle
dynamics; optimization; algorithms.
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摘要: |
The goal of this research was to develop computer-based logic algorithms and build them into SmartHEV, a series hybrid
electric vehicle software design program. Computer-based logic algorithms were developed to improve the success and
rate of convergence of systems of equations as well as prevent systems of equations from being impropeiiy defined during
the unknown variable identification process. The system of equations that governs the operation of a series hybrid electric
vehicle is derived from the road load power equation. SmartHEV is the result of combining the computer-based logic
algorithms with the governing equations that describe the performance of a series hybrid electric vehicle. In SmartHEV any
variable can be specified as unknown, unlike most vehicle programs that determine vehicle performance using only one set
of unknown variables. This added flexibility can result in a more complicated system to solve; however the computer-based
logic algorithms improve convergence properties such that there is little to no added expense in solution time. SmartHEV is
a flexible and fast software program that is to be used by design engineers for the analysis of series hybrid electric vehicles
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报告类型: |
科技报告 |