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In coal power plants from Romania, there is a major interest for the implementation of digital systems for monitoring and control, replacing the conventional control systems for power, frequency and voltage. Therefore it is necessary to develop mathematical models capable to accurately describe both dynamic and stationary behaviour of the coal burning units, in order to be able to implement digital...
In this paper one will develop the faults detection and localization method using residual vectors, in order to emphasize the noises, disturbances and faults on the outputs L1 and L2 of the control level plant with two coupled tanks ”Quanser Water Level Control Two Tank Module”. The proposed method was theoretically developed and experimentally verified in this plant and allowed detection and localization...
This paper presents the design of an electronic simulator in order to reproduce the real function of the superheater in normal condition and in fault condition. With this electronic simulator there was studied the possibility to control the superheater when the perturbations action and the control of the system structure which will be implemented on the real system.
This paper present a method to detect the transducers fault in the close loop control systems. The necessities imposed for the fault detection algorithm are: rapid answer in the case of fault, which comes out; the diminution of the risk to come out false alarms; lower effort calculation. In the paper are presented the equations of fault detection structure that suggest the software algorithms. In...
In this paper was developed a faults library for the steam boiler, the accent being on the study of the situations when faults occur in the burning process (furnace). This library is used in the monitoring and control system, the main object consisting in detection and localization of different faults. The system realise the fault detection in real time, comparison the process response with the response...
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