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A sensorless method named Direct Flux Control (DFC), which only requires the different voltages between a neutral point of permanent magnet synchronous machine (PMSM) and an artificial neutral point during switching states of pulse width modulation (PWM) signals, is implemented on a real time system with a PMSM. The DFC method is a continuous excitation method and can attain the estimated rotor position...
Direct flux control (DFC) is one of the sensorless methods, which is used to acquire the electrical rotor position of permanent magnet synchronous machines (PMSMs) for all speeds. The DFC is implemented on a TriCore PXROS platform, which is connected to the real PMSM. Flux linkage signals are measured to calculate the electrical rotor position by using an approximation function. Due to the weak intensity...
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