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1. 发明授权

US4536849A Machine operation monitor 失效
标题翻译：机器运行监视器
公开(公告)号：US4536849A
公开(公告)日：1985-08-20
申请号：US415811
申请日：1982-09-08
申请人： Donald J. Borisch , Gary V. Hanrahan , Herbert E. Merritt
发明人： Donald J. Borisch , Gary V. Hanrahan , Herbert E. Merritt
IPC分类号： G05B19/4063 , G06F17/40 , G07C3/00 , G06F15/46
CPC分类号： G07C3/00 , G05B19/4063 , G05B2219/25423
摘要： A machine operation monitor is provided for detecting malfunctions during execution of a machine cycle of operation irrespective of the activity being performed. Load levels of machine member driving means are periodically sampled and compared against limits computed by the monitor. The limit calculation uses net force or torque measured by storing load level samples during two preparatory executions of the machine cycle of operation. During the first execution a finished workpiece is produced using good tools. During the second execution no workpiece is present. The differences between load level samples taken during these two executions represent the net force required to perform work on the workpiece. The monitor responds to synchronization signals to maintain correspondence between load level samples taken in successive executions of the machine cycle. The monitor also responds to monitor off signals to suspend monitor operation during periods of no activity in the machine cycle.
摘要翻译：提供机器操作监视器，用于在执行机器运行周期期间检测故障，而不管执行的活动如何。周期性地对机器构件驱动装置的负载水平进行采样，并与监视器计算的极限进行比较。极限计算在机器运行周期的两个预备执行期间使用通过存储负载水平采样测量的净力或扭矩。在第一次执行期间，使用良好的工具生产成品工件。在第二次执行期间，不存在工件。在这两次执行期间采取的负载水平样本之间的差异表示在工件上执行工作所需的净力。监视器响应同步信号，以维持在连续执行机器周期时所采取的负载水平采样之间的对应关系。监视器还响应监视关闭信号，以在机器周期的无活动期间暂停监视操作。

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