| 摘要 |
The invention relates to a method for operating a control system of an industrial process, the control system having at least one control loop comprising a sensor ( 200 ), a control device ( 300 ) and an actuator ( 400 ), the actuator being connected to the sensor ( 200 ) via the industrial process ( 100 ). To detect faults in the control loop, it is proposed to inject ( 51, 52 ) a predefined test signal at an arbitrary point of the control loop, and to monitor ( 61 to 63 ) the response of the control loop as a function of the test signal at a separation of at least one control-loop element.
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