CAJ | 학술논문

提出了一种新型轨迹跟踪控制策略,可有效改善受扰后系统的功角暂态性能并保证控制系统最终渐近稳定。该控制策略的核心思想是根据系统当前运行点与网络拓扑的信息,设计合适的参考轨迹并驱动系统沿着该轨迹运动,从而使得受扰动后的系统以较小摆幅快速收敛于一个合理的稳定运行点。建立了具备三角形结构形式的标准动力学模型,通过引入新的附加阻尼项和轨迹初始化条件,逆推设计实现了轨迹跟踪偏差量的消除和各相关因素间的解耦,并获得了控制规律。文中控制规律推导不依赖于具体的控制对象及建模详细程度,可在统一设计过程中实现控制器性能协调与参数的优化,在复杂的互联大系统下具有优势。在MATLAB环境下对4机2区域互联系统进行了大量仿真,相关仿真结果验证了该策略的有效性。
제출료일충신형궤적근종공제책략,가유효개선수우후계통적공각잠태성능병보증공제계통최종점근은정。해공제책략적핵심사상시근거계통당전운행점여망락탁복적신식,설계합괄적삼고궤적병구동계통연착해궤적운동,종이사득수우동후적계통이교소파폭쾌속수렴우일개합리적은정운행점。건립료구비삼각형결구형식적표준동역학모형,통과인입신적부가조니항화궤적초시화조건,역추설계실현료궤적근종편차량적소제화각상관인소간적해우,병획득료공제규률。문중공제규률추도불의뢰우구체적공제대상급건모상세정도,가재통일설계과정중실현공제기성능협조여삼수적우화,재복잡적호련대계통하구유우세。재MATLAB배경하대4궤2구역호련계통진행료대량방진,상관방진결과험증료해책략적유효성。
A novel control law using estimator resetting based on tracking models is proposed. This controller can significantly improve transient performance of a power system after disturbances while maintaining the global asymptotic stability of the whole system. The main idea of the new control is to design a proper tracking trajectory and drive to a new stable equilibrium point with less amplitude and higher speed. Firstly, a triangle structure system model is derived based on global signals. Then, one supplement damping item and initial states of tracking models are considered, and the back-stepping method is introduced due to the structural features. Finally, the control theory, independent of objects and their models, is derived and enjoys overwhelming superiority in large scale grids. The simulation results in MATLAB show the validity of the proposed designing method.