A Novel Nonlinear Model Predictive Control Method for Helicopter /Turboshaft Engine with Variable Rotor Speed

被引：0
|
作者：
Wang Y. [1 ]
Zhang H.-B. [1 ]
Du Z.-Y. [1 ]
Chen M.-Y. [1 ]
Ye D.-X. [1 ]
机构：
[1] Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Tuijin Jishu/Journal of Propulsion Technology | 2019年 / 40卷 / 10期
关键词：
Fast response control; Helicopter; Nonlinear model predictive control; Turboshaft Engine; Variable rotor speed;
D O I：
10.13675/j.cnki.tjjs.180590
中图分类号：
学科分类号：
摘要：
In order to realize the fast response control of the integrated helicopter/turboshaft engine system with variable rotor speed, a novel nonlinear model predictive control (NMPC) method based on the prediction model of helicopter rotor obtained through neural network and the prediction model of turboshaft engine based on state variable model is proposed. In addition to the control index of power turbine speed, the objective function designed also takes into account the rotor dynamics characteristics of the engine output shaft with torque transmitted through the two-speed dual clutch transmission (DCT). The simulation results under different flight mission show that compared with the PID controller, the NMPC can reduce the overshoot of power turbine speed by 50% and decrease the droop to less than 0.2% during variable rotor speed under the premise of meeting the constraint conditions such as the compressor speed and static strength. It can not only realize the rapid response control, but also extend the service life of the turboshaft engine. © 2019, Editorial Department of Journal of Propulsion Technology. All right reserved.
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页码：2334 / 2342
页数：8
相关论文
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