参数限制对涡轴发动机过渡态控制的影响
Analysis of Turbo-Shaft Engine Control System Dynamic Performance with Parameter Limitations
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摘要: 通过研究涡轴发动机的限制参数,提出了涡轴发动机控制系统中可能采用的限制规律并建立了一个带多种限制模块的数字控制器,以某型涡轴发动机数学模型为控制对象,对带限制参数和不加限制的过渡态控制进行了仿真对比,给出了地面和空中的仿真结果,结果表明不同的限制参数组合会对发动机的过渡态性能产生不同的影响,在控制系统中合理选取限制参数及限制值能够优化发动机过渡态性能。Abstract: Effect of limitations of aero-engine parameters was studied.The purpose of the analysis was to achieve better dynamic performance.Limitation rules that may be adopted in turbo-shaft engine control system were presented and a digital controller with multiple limitation loops was designed.Simulation results show that different limitations of parameters bring different effects on engine dynamic performance.Selecting limitations of parameters reasonably can optimize engine dynamic performance.
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Key words:
- aerospace propulsion system /
- aero-engine /
- limitation of parameters /
- dynamic performance /
- simulation
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