RESEARCH AND CONSTRUCTION OF FLEXIBLE REAL TIME SIMULATION PLATFORM FOR ELECTRIC VEHICLE

BASED ON PC CLUSTER

Qi Zhanning  Chen Quanshi  Liang Weiming  Ge Jun  Tian Guangyu

(State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084)

Abstract: Given the problems in developing electric vehicles, such as, real-time simulation of control strategy, modeling of nonlinear components, rapid control prototyping, it is proposed that a flexible real time simulation platform be constructed using PC cluster and hardware-in-the-loop technology. In the case study of a fuel cell vehicle, the state space modeling method is adopted to realize the dynamic simulation of induction motor and main DC/DC converter including their controllers; moreover, it is proposed to put the battery into the simulation loop for the first time, due to its poor accuracy. As a result, a simulation environment, which resembles the actual power train of electric vehicle, is setup. Finally, road tests are implemented to validate this real time platform, and the application of battery-in-the- loop simulation is also explained.

Key words: Electric vehicle  Flexible simulation platform  Hardware-in-the-loop  Distributed PC cluster

CLC No: U469.722  TP391.9

国家863高科技资助项目(2001AA501100). Received 20040409, received in revised form 20041013