非线性系统

It is a problem of the objects intrinsical nonlinear. For eliminating the stick-slip motion, we must start from the nonlinear field. According to the cause of stick-slip motion, a method of compensating the negative stiffness is proposed.

爬行是极限环形式的振荡，具有不稳定非线性系统的特点，消除爬行必须从非线性领域出发，根据对爬行原因的分析，提出了补偿干摩擦的负刚度的办法。

The simulation results also verify that the algorithm exhibits corking robustness against the external interference and modeling errors. Ideal control effect can be achieved without changes of the algorithm and its parameters in time-delay system, non-minimum phase system, unstable object, non-linear system and MIMO system. It is so that why this algorithm has generality and is easy to use, which is favorable for the application and generalization of predictive control.

仿真结果表明基于克隆选择的免疫预测控制算法对外部干扰及建模误差具有很好的鲁棒性；并且不修改算法及算法参数就能对时滞系统、非最小相位系统、不稳定对象、非线性系统及MIMO系统等实现理想的控制效果，因而具有通用性，有利于预测控制的应用推广。

Chaotic system has a determinate description equation, a tiny change on its initial condition would cause unpredictable changes of system trajectories.

20世纪60年代人们发现了一种称之为"混沌"的非线性系统，描述系统的方程是确定的，但系统初值有极微小地变化，将引起系统轨迹在未来不可预测的改变。

This method does not need to solve Diophantine equation and does not need to depend on model of nonlinear system.

针对一类非线性系统，提出一种无模型预测控制方法，将无模型控制中的泛模型思想应用于非线性预测控制。

Ecause the method can track satisfactorily all types of state of a class of uncertain variable structure systems, it can extend the nonlinear state error feedback control law and auto disturbance rejection controller application field.

该方法能有效跟踪变结构非线性系统的各阶状态变量，拓宽了非线性状态误差反馈控制器和自抗扰控制器的应用范围，同时给予了稳定性证明。

Continuous transformation is used to construct an elementary inverse hysteresis operator. Then based on the EIHO, an expanded input space is constructed.

目前，对于非线性系统，经常采用的一种方法是利用逆模型直接补偿的方法，但迟滞的逆与迟滞相似，也是一种多值映射非线性。

Using this method, the controller design for performance and robustness can be designed separately, which has the potential to overcome the conflict between performance and robustness in the traditional feedback framework. Third, to make the vehicle meet the performance index in full flight envelop, a H∞ gain-scheduled controller based on Linear Varying Parameter system are designed. A LPV plant with a linear fractional dependent variable can be represented by upper LFT (Linear Fractional Transformation) interconnection.

通过把非线性系统简化为了线性变参数系统，再有通过线性分式变换将LPV系统转化为一个线性定常系统和不确定性组成的LFT互联形式，使之转换成为一个经典鲁棒控制问题，然后通过求解一组线性矩阵不等式得到变增益H_∞控制器。

Nanjing University of Aeronautics and Astronautics,Nanjing,210016Switching power amplifier of magnetic bearing was a nonlinear system.The performance of the switching power amplifier affected the stability of the magnetic bearing control system.A way of establishing the closed-loop system model of magnetic bearing was presented.

磁悬浮轴承开关功率放大器系统为一非线性系统，开关功率放大器的性能影响磁悬浮轴承控制系统的稳定性，为此，提出了一种建立磁悬浮轴承开关功率放大器系统模型的方法。

The matching law of CVT and the engine is discussed in the condition of achieving minimum fuel consumption at all times.

文中首次建立了包括CVT液压控制系统的装有CVT的动力传动系统模型，说明装有CVT的动力传动系统是复杂的多输入、非线性系统。

The modeling of a nonlinear system is the premise of its control.

建立非线性系统的模型是研究非线性控制问题的基础。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。