自适应控制

In the case that there is no a priori knowledge of the upper bound and lower bound of the unknown parameters, the switching adaptive control design approach is presented.

在非线性系统中未知参数的边界值未知的情况下，提出了切换自适应控制设计方法。

Aiming at the two problems in the traffic signal control system of SCATS, poor realtime optimization capability for the phaseoffset and having few options, the generation technique of the adaptive control strategy for the SCATS was investigated in combination with the probe vehicle data.

针对SCATS信号控制系统存在的两个问题：相位差实时优化能力差和备选方案固化，尝试结合浮动车技术研究了SCATS自适应控制策略生成技术。

Aiming at the time-varying,non-linear and coupling features of rolling and yawing dual channel of semi-active homing missile,and the different requirements of control system,this paper introduces two self-adaptive control concepts.

针对半主动寻的导弹滚转和偏航双通道具有时变、非线性、耦合的特点，以及控制系统性能的不同要求，采用两种自适应控制方案。

Power system ; transient stability ; excitation control ; robust adaptive control ; back-stepping

电力系统；暂态稳定；励磁控制；鲁棒自适应控制；反步法

The structural analysis method of the continuous rigid frame bridge and the theories of adaptive control system and method of control were discussed in this paper.

本文论述了连续刚构桥结构分析方法、自适应控制系统的理论和控制方法。

The open architecture intelligent control system for the machining processes is developed and realized by using the key techniques such as plug in module , signal processing network and script command file , etc., on the PC/DSP based open architecture platform. According to the architecture requirements, the principle and development methods of the open real time platform as well as the PIMs used for the intelligent machining processes are studied and designed. Subsequently, the objective systems for the adaptive control and the on-line tool wear estimation are configured by using the SCF files separately.

研究了基于PC/DSP的开放结构智能切削加工控制系统的开发与实现，采用插入式模块PIM(Plug-In-Module)、信号处理网络SPNt和过程描述命令文件SCF等实现系统开放结构的三项关键技术，根据开放结构实时系统平台的结构特点、工作原理及开发过程，设计开发了基于智能切削加工理论和方法的插入式模块的算法流程，采用描述命令文件配置了自适应控制与刀具磨损在线估计的应用目标系统。

By combining model reference adaptive control and neural network control ,a novel model reference adaptive neural network control scheme is proposed for the ship steerings nonlinear model.In the procedure ,the RBF neural networks are used to approximate nonlinear systems;The weights can be achieved by use of Lyapunove approach.To compensate the approximation error and attenuate the external disturbance,a robust technology is introduced to the proposed scheme.

针对船舶航向非线性不确定系统，提出了一种把神经网络和模型参考自适应控制结合在一起的新的控制算法，此算法首先通过系统的已知动态特性设计一个稳定的反馈控制器，然后利用RBF神经网络逼近未知非线性，从而消除不确定性的影响。

Finally, the adaptive control strategy of active balancing for a strictly positive and real rotor with actuator time delay is successfully extended to a flexible rotor with single collocated plane and a flexible rotor with multiple collocated planes. A series of numerical simulations demonstrate that the proposed controller is valid to suppress the imbalance-induced vibration of these rotor systems.

最后，把带作动器时迟的严格正实转子系统的自适应控制策略成功地推广到具有单并置平面的柔性转子及具有多并置平面的柔性转子，一系列数值模拟验证了该控制律对抑制这些转子不平衡振动的有效性。

Finally, the adaptive control strategy of active balancing for a strictly positive and real rotor with actuator saturation is successfully extended to a flexible rotor with single collocated plane and actuator saturation and a flexible rotor with multiple collocated planes and actuator saturation. A series of numerical simulations show that the proposed adaptive control law can evidently reduce the original imbalance-induced vibration of these rotors and the actuator movement asymptotically approaches to its target value, the opposite of the original imbalance.

最后，把提出的自适应控制策略成功地推广到带作动器饱和、单并置平面的柔性转子和带作动器饱和、多并置平面的柔性转子，一系列数值模拟显示：该控制律能显著减小这些转子原始不平衡引起的振动，作动器的移动能渐近收敛到与原始不平衡相反的目标值。

Simulation results show that the all - attitude formula can more exactly describe the ejection process than general method and is the basis of studying the ejection seat multi - parameter and multi - mode control and the fourth generation ejection seat control.

仿真结果表明，全姿态关系式能够更准确的描述弹射过程，是弹射座椅多参数多模态控制研究和第四代自适应控制研究的基础。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。