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Logic-Based, Performance-Driven Electric Vehicle Software Design Tool; Final rept. Jul 98-Aug 00
| 题名： | Logic-Based, Performance-Driven Electric Vehicle Software Design Tool; Final rept. Jul 98-Aug 00 |
| 作者： | Blackketter, D. M.; Alexander, D. G. |
| 关键词： | Electric vehicles; Computer aided design; Vehicle design; Vehicle performance; Computer software; Algorithms; Hybrid vehicles; Design |
| 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 improperly 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. |
| 总页数： | 30p |
| 报告类型： | 科技报告 |
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