【摘要】 在功率分流式自动变速器(PSAT)控制系统的开发中,为确定最优的换挡控制算法,建立了内燃机、磁粉离合器与变速器集成的动力学模型,并进行了升挡与降挡过程的仿真计算和深入分析。研究表明,通过控制磁粉离合器的励磁电流,可以调节离合器的接合状态,有效地改善换挡品质,从而提高车辆的性能。更多还原

【Abstract】 In the development of control system for power split automatic transmission,in order to define optimum control algorithm,the integrated shift dynamic models for the set of engine,magnetic powder clutch and transmission are established .The shift simulation shows that the magnetic powder clutch connecting condition can be adjusted and the shifting quality can be improved by means of controlling magnetic powders clutch field current,result in vehicle performance improvement.更多还原