AC zero-point switching method based on Kalman filtering algorithm

@inproceedings{Guili2014ACZS,
  title={AC zero-point switching method based on Kalman filtering algorithm},
  author={Zheng Guili},
  year={2014}
}
Synchronous switch generally uses lathing relay as its mechanical switch.In order to realize accurate switch during AC zero point,its micro controller unit must obtain the precise action time of latching relay.However,affect by many factors such as driving voltage and environment temperature,the action time of mechanical switch usually has uncertainty feature.Aiming at the discrete measurements of latching relay action time,Kalman filtering model is developed to eliminate the dynamic noise and… CONTINUE READING

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