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为建立发动机控制系统实物仿真试验环境,设计基于DSP的接口模拟器。采用该接口模拟器,结合发动机模型和控制器实物,构成完整的实物在回路仿真系统。仿真实验表明:模拟器能够传递控制器和上位机之间的信息,具有良好的实时性和抗干扰能力,满足系统设计需要。
In order to establish the physical simulation test environment of engine control system, a DSP-based interface simulator is designed. Using the interface simulator, combined with the actual model of the engine and the controller to form a complete physical simulation system in the loop. Simulation results show that the simulator can transfer the information between the controller and the host computer, and has good real-time and anti-interference ability to meet the system design needs.