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1. 发明公开

EP0014065A1 System for creating a servo control signal 失效
标题翻译：系统zum Erzeugen eines Servosteuerungssignals。
公开(公告)号：EP0014065A1
公开(公告)日：1980-08-06
申请号：EP80300139.5
申请日：1980-01-15
申请人： MAGICAM, INC
发明人： Slater, Dan
IPC分类号： G05B19/25
CPC分类号： G05B19/253 , G05B2219/34046 , G05B2219/41021
摘要： A system creates a control reference signal for a remote electrical servo device having a movable output unit wherein the velocity and position of the output unit are controlled by the magnitude of the control reference signal. This system includes a digital circuit for creating a first fixed analog signal (22) indicative of a known or desired velocity for the unit during a preselected controlled time interval and a second digital means for creating a desired time baae positional profile (32) during the preselected time interval. An encoder arrangement is employed for detecting the actual time base positional profile (34) of the servo output unit during the given time interval so that an analog signal (24) generally proportional to the algebraic difference between the actual and desired time base positional digital profile can be created at various times during the time interval. The control reference signal is then created by a summing circuit (5) as a function of both the first and second analog signals the first of which is proportional to a desired velocity and the second of which is proportional to the algebraic difference between a desired and actual position of the servo output unit.
摘要翻译：系统为具有可移动输出单元的远程电动伺服装置创建控制参考信号，其中输出单元的速度和位置由控制参考信号的大小控制。该系统包括数字电路，用于在预选的控制时间间隔期间产生指示单元的已知或期望速度的第一固定模拟信号（22），以及用于在该预定时间间隔期间产生期望的时基位置分布（32）的第二数字装置预选时间间隔。采用编码器布置来在给定的时间间隔期间检测伺服输出单元的实际时基位置分布（34），使得模拟信号（24）通常与实际和期望的时基位置数字轮廓之间的代数差成比例可以在时间间隔内的不同时间创建。然后，控制参考信号由加法电路（5）作为第一和第二模拟信号两者的函数产生，第一和第二模拟信号与期望速度成比例，其中第二个模拟信号与期望的和期望的速度之间的代数差成比例伺服输出单元的实际位置。

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