论文部分内容阅读
基于分布式仿真技术,按照仿真精度的区别,建立了包含弱实时层、强实时层和苛刻实时层三个层次的装甲车辆电传动仿真系统。在弱实时层,采用CAN总线通讯,进行驾驶员模拟操控以及基于Vortex的车辆动力学实时仿真;在强实时层,采用Flex Ray总线通讯,应用RT-LAB软件进行发动机、发电机、蓄电池的实时仿真;在苛刻实时层,采用并行数据总线,进行基于硬件FPGA和DSP的电机和逆变器实时仿真。从计算实时性、通讯实时性对所建立的实时仿真系统进行实时性分析。仿真结果表明:该实时仿真系统可以进行车辆整体性能、电传动系统性能和部件性能3个层次的仿真分析,并且系统实时性满足仿真要求。
Based on the distributed simulation technology, according to the difference of simulation accuracy, the simulation system of the armored vehicle electric transmission system is established, which includes the weak real-time layer, the strong real-time layer and the harsh real-time layer. In the weak real-time layer, using CAN bus communication, the driver simulation control and Vortex-based real-time vehicle dynamics simulation; in real-time layer, using Flex Ray bus communication, RT-LAB software application engine, generator, battery real-time Simulation; In the harsh real-time layer, using parallel data bus, hardware and FPGA-based real-time simulation of the motor and inverter. Real-time analysis of the real-time simulation system established from real-time calculation and real-time communication. The simulation results show that the real-time simulation system can carry out the simulation analysis of vehicle’s overall performance, electric drive system performance and component performance at three levels, and the real-time system meets the simulation requirements.