How to integrate SVPWM and momentum wheel? Principle of SVPWM variable frequency speed regulation

How to integrate svpwm and momentum wheel

SVPWM and momentum wheel can be integrated through the design of control algorithm to achieve a more efficient motor control system.

A momentum wheel is an energy storage and release system that can achieve momentum control by rapidly rotating an inertial mass. In certain applications that require fast and accurate momentum control, such as satellite attitude control, the momentum wheel control system needs to have high efficiency, high stability, and high precision.

The momentum wheel control system based on SVPWM can achieve more efficient motor control through the design of control algorithm. The most common method is to use the SVPWM controller in conjunction with the PID controller to control the speed and torque of the momentum wheel. The design of the momentum wheel control system needs to take into account the characteristics of the multi-phase motor and set the multi-axis control mode according to the module of the space vector mode. The momentum wheel control system usually requires model prediction and state prediction to achieve higher control accuracy and stability.

In addition, SVPWM can also be integrated with other control algorithms, such as fuzzy control, neural network control, sliding mode control, etc. These methods also have certain application value for the design of momentum wheel control system. In short, the integration of SVPWM and momentum wheel requires a deep understanding of motor control principles and the design of control algorithms to achieve a more efficient motor control system.

SVPWM variable frequency speed regulation principle

SVPWM (Space Vector Pulse Width Modulation) is an advanced motor control method suitable for variable frequency speed regulation of AC motors. The principles of SVPWM variable frequency speed regulation mainly include the following aspects:

1. Inverter control: The inverter converts AC power into adjustable frequency AC power. The AC voltage output by the grid power inverter is controlled accordingly according to the SVPWM control method, thereby controlling the speed, position, torque and other parameters of the motor.

2. Motor control: The SVPWM control method requires the motor speed, position, load and other parameters for control. The motor controller can obtain the motor status information in real time through sensors and feed it back to the controller for control.

3. Space vector control: The SVPWM control method needs to convert the input three-phase electrical signal into a set of synthetic space vector control signals to control the motor speed, position and torque parameters. Space vector control can convert the three-phase AC voltage into a space vector and control the motor current by changing the vector amplitude and direction. The vector here can be either a space vector pointing to the center of the winding or a component of the rotor magnetic potential vector in the dq coordinate system.

4. Modulation control signal: The SVPWM controller also needs to convert the space vector control signal into a PWM signal controlled by the inverter and output it to the motor winding. The controller will automatically calculate the pulse width and position of the output control signal based on the SVPWM algorithm, thereby achieving control of parameters such as motor speed, position and torque.

To sum up, the principle of SVPWM variable frequency speed regulation is to control the voltage output by the AC power inverter according to the SVPWM control method, and then transmit the control signal to the motor winding through the inverter, so as to achieve efficient control of motor parameters such as speed, position and torque.