基于LabVIEW的发动机硬件在环虚拟信号发生器

Engine Hardware-in-loop Virtual Signal Generator Based on LabVIEW

针对发动机ECU在环仿真过程中ECU与发动机模型信号的正确匹配,提出了基于LabVIEW FPGA产生脉冲信号的方法。在说明整个硬件在环仿真方案的基础上,详细介绍了利用LabVIEW FPGA模块产生多路脉冲信号的软件编程。实验结果表明,该信号发生器能够模拟转速传感器产生精度高,相位准确,实时性强,频率范围广的脉冲信号。

For the purpose of the matching between ECU and engine model signals,the method of pulse signal generation based on LabVIEW FPGA is developed.On the basis of the presentation for the whole hardware-in-the-loop system,the method of generating multi-channel pulse signals in LabVIEW FPGA was described in detail.The test result indicate that this generator can simulate sensor to produce multi-channel signals with high precision,accurate phase,strict real time,wide frequency range.