Permanent magnet synchronous motor vector decoupling controller for electromobile based on DSP (Digital Signal Processor)
A technology of permanent magnet synchronous motor and decoupling controller, which is applied in the direction of motor generator control, AC motor control, electronic commutation motor control, etc. Insufficient functions and other problems, to achieve the effect of easy assembly and maintenance, high functional integration, and simple control
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[0042] combine figure 1 , the present invention adopts a modular design, and the direct-ac inverter circuit, the drive circuit, and the PWM signal isolation circuit are combined into the main power circuit; the voltage and current detection and conditioning circuit, and the photoelectric encoder peripheral circuit are combined into the signal detection circuit. The modular design scheme makes the permanent magnet synchronous motor controller for electric vehicles easy to install and maintain.
[0043] The DSP needs to use dual power supplies to power its peripherals and core. The peripheral power supply voltage is 3.3V, and the core power supply voltage is 1.9V. During the power-on process of the DSP, in order to ensure that each module inside the chip has an accurate reset state, It requires the peripheral IO3.3V of the DSP to be powered on first, and then the core 1.9V is powered on. The present invention adopts TPS707D301 power conversion chip provided by TI company to co...
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