The tail rotor keeps yaw in check while a servo-driven elevator takes care of pitch.
该尾桨保持偏航在检查的同时伺服驱动的电梯照顾间距。
2
Variable speed filling: Servo-driven, variable-speed filling process can achieve sublevel filling, to prevent liquid overflow bottle. 3.
变速灌装：采用伺服驱动，灌装过程可实现分段变速灌装，防止液体溢出瓶口。
3
On the side of software, we have completed the main program, rotate speed detecting program, PID control program, motor drivers and servo-driven program.