MSK4310 Demonstration Application Note
■The MSK4310 3 Phase DC Brushless Speed Controller hybrid is a complete closed loop velocity mode controller for driving a brushless motor. It requires no external velocity feedback devices for operation. Feedback is derived from the hall signal outputs from the motor.
■In velocity control, velocity sensing from the motor is used to create a feedback to signal the controller to either speed up or slow down the motor to match the speed input signal in a control loop. The feedback signal and the input signal are fed into an error amplifier. The output signal of the error amplifier will then supply the proper information to a pulse width modulator (PWM), which will chop the DC supply voltage to the motor. This chopped DC voltage will cause the motor to respond as though it were a smooth, proportional DC voltage that will either speed up, slow down or maintain a set speed, regardless of the load on the motor.
■This application note will describe a demonstration motor controller circuit and motor, utilizing a MSK4310 Speed Controller. The method used to determine the components for setting up the loop will be shown. Waveforms from the Demonstration Board will also be shown.
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complete closed loop velocity mode controller 、 3 Phase DC Brushless Speed Controller |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2013/9/20 |
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AN002 |
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251 KB |
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