外文翻译
transmission and other drive several forms.
气压传动和电力传动等几种形式。
3. Control System
3.控制系统
Manipulator control system’s main role is to control the machine hand according to certain 机械手控制系统的主要作用是控制机械手按一定的
procedures, direction, position, speed of action, a simple mechanical hand is generally not set up a 程序、方向、位置、速度进行动作，简单的机械手一般不设置专用 dedicated control system, using only trip switches, relays, control valves and circuits can be 的控制系统，只采用行程开关、继电器、控制阀及电路
achieved dynamic drive system control, so that implementing agencies according to the 便可以实现传动系统的控制，使执行机构
requirements of action. Action will have to use complex programmable machine hand controller, 按要求进行动作。动作复杂的机械手则要求采用可编程控制器、 the micro-computer control..
微型计算机进行控制。
3. Mechanical hand classification and characteristics
3机械手的分类和特点
Machine hands are generally divided into three categories: the first is the general machinery 机械手一般分为三类：第一类是不需要人工操作的
does not require manual hand. It is an independent not affiliated with a particular host device. It 通用机械手。它是一种独立的不附属于某一主机的装置。
can be programmed according to the needs of the task to complete the operation of the provisions. 它可以根据任务的需要编制程序，以完成各项规定的操作。
It is characterized with ordinary mechanical performance, also has general machinery, memory, 它的特点是具备普通机械的性能之外，还具备通用机械、记忆智能 intelligence ternary machinery. The second category is the need to manually do it, called the