In order to meet the requirement of system , the high - precision sensors , the pwm power magnifier and high - performance torque motor were used in the system . the watchdog circuits ensure the system run safely 該系統(tǒng)選用較高精度的傳感器、 pwm功率放大電路以及高性能的力矩電機(jī)以達(dá)到系統(tǒng)要求,并且增加了看門狗電路以確保系統(tǒng)的安全運(yùn)行。