搜索结果: 1-10 共查到“工学 Adaptive control”相关记录10条 . 查询时间(0.147 秒)
On parameter convergence in adaptive control
Control parameter the parameter error signal and reference signal
2015/8/13
It is well known that the parameter error as well as the model-plant mismatch error in a model reference adaptive scheme tends exponentially to zero iff a certain sufficient richness condition holds f...
Necessary and sufficient conditions for parameter convergence in adaptive control
Adaptive control adaptive systems identifiability parameter estimation
2015/8/13
Using Generalized Harmonic Analysis, a complete description of parameter convergence in Model Reference Adaptive Control (MRAC) is given in terms of the spectrum of the exogenous reference input signa...
SLIDING-MODE ADAPTIVE CONTROL OF PIONEER 3-DX WHEELED MOBILE ROBOT
Discrete-time Pioneer 3-DX model sliding-mode adaptive control on-line parameter estimation
2010/1/11
Parameter identification scheme and discrete-time adaptive sliding-mode controller applied to Pioneer 3-DX wheeled mobile robot (WMR) are presented in this paper. The dynamical model for mobile robot ...
阀控非对称缸系统多级滑模鲁棒自适应控制(Multiple Sliding Mode Robust Adaptive Control for Valve Controlled Asymmetric Cylinder System)
阀控非对称液压缸 多级滑模控制 自适应控制
2009/11/3
考虑阀控非对称缸系统的特性,设计了一种基于逆向递推方法的多级滑模鲁棒自适应控制器。首先采用Backstepping逆向递推技术和状态反馈线性化的方法,给出系统的多级滑模控制器。然后依据Lyapunov稳定性理论,得到系统不确定参数的自适应律,并在自适应控制中引入鲁棒控制的设计方法,实现对活塞位移的精确位置跟踪控制。实验结果表明,多级滑模鲁棒自适应控制具有较强的鲁棒性和良好的跟踪性能。
非线性裂纹转子密封混沌系统自适应控制(Adaptive Control of Nonlinear Cracked Rotor Seal Chaotic System)
裂纹转子 气流激振 混沌系统
2009/8/11
应用Muszynska非线性密封力模型,建立了在气流激振力作用下的裂纹转子系统耦合动力学方程。根据自适应控制理论,给出一种多重参数自适应控制算法。利用此方法对裂纹转子密封系统进行了研究,研究结果表明,所提出的参数自适应控制律具有较强的稳定控制能力,该方法适合于多重参数非自治复杂混沌系统,在外界干扰下引起混沌状态的情况,可自适应地调整到正常的工作状态。
In-Process Monitoring and Adaptive Control in Laser Micro-Spot Welding of Copper
Micro-spot welding of copper Combined laser beams In-process monitoring
2009/6/9
A new procedure of in-process monitoring and adaptive control is developed for micro-spot welding of 0.1-mm-thick copper sheets with combined beams of an AO Q-switched second harmonic YAG laser and a ...
In-Process Monitoring and Adaptive Control in Laser Micro-Spot Lap Welding of Aluminum Alloy -Adaptive Control by Heat Radiation for Partially-Penetrated Welding-
Aluminum alloy In-process monitoring Adaptive control
2009/6/8
This paper presents a new procedure for in-process monitoring and adaptive control that has been developed for micro-spot lap welding of A3003 aluminum alloy sheets of 0.1 mm and 1 mm in thickness. Th...
基于RBF神经网络的混合输入机构自适应控制(Adaptive Control of Hybrid Machine Based on RBF Neural Network)
混合输入机构 径向基函数神经网络 自适应控制 轨迹跟踪
2010/5/5
提出一种伺服电动机对常速电动机运动进行闭环跟踪的控制策略,控制伺服电动机的运动,以实现对常速电动机速度波动的补偿。由于系统精确模型难以获得,设计了基于名义模型的径向基函数网络自适应控制器,进行混合输入机构轨迹的跟踪,应用径向基函数(RBF)神经网络对系统中摩擦、外部扰动和动力耦合等不确定因素的和进行逼近,网络输出权值由自适应算法学习确定,并对该控制器进行稳定性分析。仿真结果表明,所设计的控制器稳定...
Robotic Gripping Device for Garment Handling Operations and Its Adaptive Control
robot pick-up device gripper sensor garment
2009/2/9
A pick-up device with flexible drive linkage for textiles is presented in this article. The adaptive pick-up device for textile is based on a drive linkage with flexible links and gripping elements. T...
ASPECTS REGARDING THE NEURO-ADAPTIVE CONTROL STRUCTURE PROPRIETIES.APPLICATION TO THE NONLINEAR PNEUMATIC SERVO SYSTEM BENCHMARK
neural network reference model neuro-adaptive control
2010/1/12
Generally, control techniques based on multilayer neural networks are used especially in the case of non-linear process and less in case of linear process, because classical control techniques are goo...