Standard radio control servomotors which are used in model airplanes , cars and boats are useful for making arms , legs and other mechanical appendages which move back and forth rather than rotating in circles 标准的无线电控制伺服电动机在航模、车模、船模中使用，可用来制作手臂、腿和其它来回移动而不是转圈的机械附属肢体。
Remote control construction machinery will be more and more widely used along with development of technique and perfection of function of wireless control system and electro - hydraulic control system . the remote controlled trimming dozer is remotely controlled by signal that is transferred by electromagnetic wave and sent into driver - electro - hydraulic control system 随着无线电控制系统和电液控制系统的技术发展和功能完善，遥控型工程机械应用范围将越来越广泛，遥控型推耙机通过电磁波传输控制信号并将控制信号送入驱动执行器?电液比例控制系统以实现远距离控制。
