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提问关于InstaSPIN-BLDC运行时占空比提高换向出错

Other Parts Discussed in Thread: TMS320F28035, INSTASPIN-BLDC, CONTROLSUITE

你好:

        我在用DRV8301-HC-EVM RevD底板+TMS320F28035板卡调试TI的InstaSPIN-BLDC方案,使用controlSuite里的InstaSPIN-BLDC运行调试,在LEVEL5中,把InstaSPIN_BLDC1.Int_Threshold调低至0.2,此时电机可以从开环启动切入闭环稳定运行,但是当我提高DfuncTesing,也就是提高占空比至0.3时,这时候换向出错,电机停止运行,无论我怎么调Threshold,电机都会在30%~40%这里停止运行,无法提高占空比。

        我的 电机是外转子电机,28极,输入电压44V,我是在空载情况下调试的。请问我应该如何调试?您是否有好的建议?谢谢