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PWM control and one pulse control methods are useful in SPSRM(single phase switched reluctance motor). PWM method has safety for the low speed range to control SRM. And one pulse control method is proper to operate on high speed range in SRM for good energy efficiency and a considering switch frequency. Because PWM method is more safety than one pulse method, conversion of those is best choice according...
Speed control of salient pole permanent magnet synchronous motor (PMSM) is studied based on energy-shaping and port-controlled Hamiltonian (PCH) system theory. Firstly, the PCH speed control model of PMSM is established. Secondly, the desired equilibrium point of the system is obtained based on maximum torque per ampere (MTPA) control principle. Then the speed controllers are designed when the load...
This paper introduces a high performance DC chopper speed and current control system for universal motors. Differing from existing TRIAC and DC chopper speed control schemes, the new system adds the inner current control to improve dynamic response, and the motor starts up with closed speed and current control loops. Complete control schemes have been developed and implemented in a low cost Renesas...
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