| 1. | The optimal disturbances rejection problem for nonlinear interconnected large - scale dynamic systems with external disturbances is considered
摘要研究一类受外界扰动非线性互联动态大系统的最优扰动抑制问题。 |
| 2. | ( 2 ) a new adaptive fuzzy control algorithm , which is different from the famous supervising control one is proposed for one kind of nonlinear system with disturbance
( 2 )对于一类包含外界扰动的非线性连续系统，提出了一种不同于著名的监督控制方法的新的自适应模糊控制方法 |
| 3. | Simulation experiments were carried out to verify that it has good robustness on the changing of learning - ratio and external disturbances , which has theoretical and practical value
仿真实验结果表明：该控制方法对网络学习率的改变和外界扰动有很强的鲁棒性，具有一定的理论和实用价值。 |
| 4. | Without a priori knowledge of the upper bounds of unknown parameters , interconnections between subsystems and extemal disturbances , the stability of the closed - loop large - scale system is guaranteed by adaptive laws
该控制器不需要未知参数变化、外界扰动以及子系统互连上界的先验信息，能够通过自适应率对上述信息进行在线估计。 |
| 5. | Abstract : a decentralized variable structure model following controller is designed for a class of uncertain nonlinear large - scale systems with interconnections whose upper bounds have the form of polynormials
文摘:针对一类具有不确定参数和外界扰动的非线性大系统，在子系统互连项上界具有多项式形式的条件下，提出了一种分散变结构模型跟随控制器设计方案。 |
| 6. | Through the approximate handling of geomagnetic intensity and differential riccati equation , the magnetic attitude h control law of the microsatellite in a circle orbit which has external disturb and the structural perturbation is presented
通过对卫星地磁场和微分riccati方程进行近似处理，给出有外界扰动和结构化摄动圆轨道卫星系统的h _磁姿态控制规律。 |
| 7. | Based on the comprehensively deep research on the pmsm ' s mathematics model and control theory , in order to overcome the blight caused by parameter variant and outside disturbance , the " variable structure sliding mode " theory is adopted to realize high performance ac servo system with adaptation
本文在对永磁同步电动机( pmsm )的数学模型和控制理论进行全面、深入研究的基础上，应用滑模变结构控制理论，克服系统的参数变化和外界扰动的不良影响，以实现具有一定自适应能力的高性能交流伺服系统。 |
| 8. | On the basis of the research on structure and learning algorithm of neural network , this thesis make a thorough study for the speed , position and sensorless control schemes of pmsm drive , which combine the merits of pid control , adaptive control and sliding - mode control and the predominant capability of neural network in identification and control of uncertain nonlinear system . the proposed schemes , whose effectiveness is demonstrated by the theoretical analysis and experimental simulation results , overcome the bad influences of pmsm parameter variations and external load disturbances
本文在对神经网络结构及算法研究的基础上,利用神经网络在非线性、不确定性系统控制和辨识方面优越的性能,结合pid控制、自适应控制、滑模变结构控制等方法的优点,对永磁同步电机速度、位置控制问题以及无传感器控制问题进行了研究,克服了永磁同步电机系统参数变化和外界扰动等不确定性的不良影响。 |
| 9. | And considering the uncertain factors that the system may meet during the operation , a h robust control algorithm is employed when devise the controller of the system to compensate disturbances and unmodeled factors of the system . finally , simulation and experiments are done to test the system ' s robustness and performance
鉴于系统工作过程中存在的各种不确定性因素，系统控制器的设计采用了h _鲁棒控制算法，以抑制系统的外界扰动以及被控对象的模型不确定性，并进行了系统仿真和试验台试验研究。 |
| 10. | The performance and effectiveness of the semi - active logic control algorithm could only depend on the control algorithm itself without structural system model and is not affected by external disturbance , in which the analysis is simplified and the control performance is enhanced . the semi - active logic control algorithm has the high adaptability for different kinds of ground excitations . the effectiveness and efficiency of the proposed semi - active logic control algorithm was higher than those of the clipped - optimal algorithm , which is one of the most popular control algorithms used at present for mr dampers
半主动逻辑控制方法不依赖结构体系模型和外界扰动影响，只依赖于逻辑控制算法自身，简化了分析过程，增强了控制效果，且对不同激励的适应性强，比目前广泛应用的部分最优控制算法的控制效果和鲁棒性好，是一种新的具有工程应用价值的结构智能半主动控制方法。 |
