1.1数控技术的基本概念 1.1.1什么是机床的数字控制以数字指令方式控制机床各部件的相对运动和动作

1.BASE Power dissipation 2. COLLECTOR pcm:1.5w(tamb=25℃)

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These circuits consist of four independent, high TSSOP14 (Thin Shrink Small Outline e Package) gain, intemally frequency compensated operation al amplifiers. They operate from a single power supply over a wide range of voltages. Operation

General Description de range of applica is local on card bypassing is needed only if the regulator is located far from 9 gulation, eliminating the distribution problems associated the filter capacitor of the power supply

一、如何知道机器行走的距离?

TWO-Terminal Ic DEVICES Temperature Transducer AD590 FEATURES PIN DESIGNATIONS Linear Current Output: 1 HA/K Wide Range:-55C to+150C Probe Compatible Ceramic Sensor Package

General Description hese devices need only one external com ation capacitor at the output. Tthe LM? aged in the to-220 power package and is capable applications requiring other voltages, see LM137 data 4 supplying 1.5A of output current These regulators employ internal current limiting safe area Features a Thermal, short circuit and sa tually all overload conditions

一、现实生活中,我们经常需要获取物体运动的速度,比如:汽车是否超速?摩托车的速度表,控制系统中电机的转速等等。 二、实际测量中线位移的测量比较麻烦(测量装置尺寸很大),一般转换为角位移的测量。同样,线速度的测量一般转换为角速度的测量。这种转换很容易,比如使用一个从动轮即可。 三、思考:如何获得机器人当前运行的速度 Industry Training Center

一、在我们获取测量结果之后,为了观察方便,需要显示装置把它显示出来。 二、现实中常用的显示装置有指针式以及数字式显示。数字式显示有起特有的优点,显示精度高、惯性小。常用的数字显示方式有:数码管、液晶等。 三、数字信号只有2个状态(0与1),为了表达更多的数字,需要对其进行编码,常用的有8421码、余3码等