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Modeling of A Miso Control System For A Turboshaft Engine | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 1, 2009, Pages 159-171 PDF (313.29 K) | ||
| DOI: 10.30684/etj.27.1.12 | ||
| Authors | ||
| Arkan k.AL-Taie; Usama S.Salah | ||
| Abstract | ||
| The general configuration of a turboshaft gas turbine control systems model is presented. The control systems included the relationships between the engine and its limitations such as a compressor surge line limit, exhaust gases temperature, the speed of the engines spools. The control system is of Multi Input Single Output (MISO) type, where the inputs to the controller are the limitation signals and the demand whither the only single output is the fuel valve new setting. The main parameter that the system controls by is that the fuel mass flow rate and the device which is doing this job is the fuel controller. The control system changes the fuel flow according to the engine demands by changing the fuel valve angle (θ) . The time responses of each effective parameter was predicted for a different fuel valve angle and introduce the most effective specifications of the time response of the system (delay time, rise time, settling time and maximum overshoot). The behavior of the maximum overshoot value (if founded) is increasing with the fuel valve increasing. The value of delay, rising, and settling times decreases with the fuel valve angle increases. The present results show a good agreement with the previous works. | ||
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