Monitoring arrangement, clamping system with a monitoring arrangement and method for monitoring a clamping device by means of a monitoring arrangement

A monitoring arrangement for monitoring the clamping quality of a workpiece carrier or workpiece clamped in a clamping device, with at least one sensor to be arranged on the clamping device and a transmitting device for the wireless transmission of parameters determined by means of the sensor to a receiving device, characterized in that the monitoring arrangement comprises:

• at least two sensors arranged on said clamping device for the independent detection of the clamping quality of a clamped workpiece carrier or workpiece, and that the transmitting device is constituted such that it transmits one or more measurement values from each of said at least two sensors redundantly to the receiving device, wherein clamping quality is the ratio between a required clamping force and a measured clamping force based on said one or more measurement values, and wherein the least two sensors are arranged in such a way that their measurement values can correlate positively with one another;
• and two independent microprocessor units which are configured to evaluate the measurement values, transmitted by each of the at least two sensors, independently and redundantly relative to each other to determine if the measurement values of the at least two sensors correlate positively with one another by cross-comparison of the respective measurement values.