Soft Sensors for Monitoring and Control of Industrial Processes. Soft sensors serve the same function as physical sensors, except that values for the variable are not measured directly, but are obtained from a model of the physical sensor using other known variables as inputs. A soft sensor consequently enhances variable monitoring by increasing sampling frequency and replacing inaccurate measurements.
Soft sensors for testing
2011 m. vasario 3 d., ketvirtadienis
Advanced process control
Advanced Process Control (APC) is un-doubtedly the control philosophy of the future. However, currently about 95% of all controllers in the process industry are still of the PID-type, simply because they are so easy to implement in a DCS or PLC. Consequently, even if you have installed an APC system like TopMessage, it will continue to act on the plant via the underlying PID control loops. You therefore need to have your PID loops optimally tuned, which is where TopMessage and ProfiSignal comes in.
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