On-Line Fault Detection and Compensation of Hydraulic Driven Machines Using Modelling Techniques
Chrissanthi Angeli* and Avraam Chatzinikolaou**
*Department of Mathematics and Computer Science, Technological Institute of Piraeus, Konstantinoupoleos 38, N. Smirni, GR-171 21 Athens, Greece
**S. Patsi 62, GR-118 55 Athens, Greece
The development of on-line fault detection methods for drive and control systems is of main importance for the modern production technology. Modelling information improves the reliability of the diagnostic method when it is involved in a fault detection system. In this paper, the use of modelling information for the fault detection of hydraulic driven machines as well as for the compensation of incipient faults is presented. For this purpose a suitable implementation environment was developed that allows the on line interaction of real time data and simulation results and makes possible their direct effect to the actual system.
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