Yaw process error compensation method and system based on Mems sensor

Abstract

The invention discloses a yaw process error compensation method and system based on an MEMS sensor, and belongs to the technical field of wind driven generator control. The method comprises the following steps: acquiring and analyzing basic parameters of the MEMS sensor to obtain an error influence value; environment influence parameters are collected and analyzed, and an error change value of the Mems sensor is obtained; the yaw controller extracts information collected by the Mems sensor to obtain the initial yaw angle of the wind turbine, the error influence value and the error change value are synthesized to obtain an error compensation value, and the yaw controller conducts error compensation on the yaw angle of the wind turbine according to the error compensation value; and the performance data of the yaw controller driving system are monitored and analyzed to adjust the yaw controller driving system. According to the method, error compensation is carried out according to the basic characteristics and the environmental characteristics of the Mems sensor, and the yaw controller driving system is adjusted, so that error compensation is accurately carried out on the yaw process of the fan, and the problem that error compensation cannot be accurately carried out on the yaw process of the fan in the prior art is solved.

Images