检索结果-南通市图书馆

feedback linearization and equivalent-disturbance compensation control strategy for piezoelectric stage

Nanotechnology and Precision Engineering 2024年第2期7卷 49-59页

作者： Tao Huang Yingbin Wang Zhihong Luo Huajun Cao Guibao Tao Mingxiang Ling State Key Laboratory of Mechanical Transmissions for Advanced Equipment Chongqing UniversityChongqing 400044China College of Mechanical and Vehicle Engineering Chongqing UniversityChongqing 400044China Hongdu Aviation Industry Group NanchangJiangxi 330000China Robotics and Microsystems Center Soochow UniversitySuzhou 215123China

Piezoelectric stages use piezoelectric actuators and flexure hinges as driving and amplifying mechanisms,respectively.These systems have high positioning accuracy and high-frequency responses,and they are widely used in various precision/ultra-precision positioning fields.However,the main challenge with these devices is the inherent hysteresis nonlinearity of piezoelectric actuators,which seriously affects the tracking accuracy of a piezoelectric stage.Inspired by this challenge,in this work,we developed a Hammerstein model to describe the hysteresis nonlinearity of a piezoelectric stage.In particular,in our proposed scheme,a feedback-linearization algorithm is used to eliminate the static hysteresis nonlinearity.In addition,a composite controller based on equivalent-disturbance compensation was designed to counteract model uncertainties and external disturbances.An analysis of the stability of a closed-loop system based on this feedback-linearization algorithm and composite controller was performed,and this was followed by extensive comparative experiments using a piezoelectric stage developed in the laboratory.The experimental results confirmed that the feedback-linearization algorithm and the composite controller offer improved linearization and trajectory-tracking performance.

关键词： Piezoelectric stage Hysteresis nonlinearity feedback linearization Equivalent-disturbance compensation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

feedback linearization based control for weak grid connected PV system under normal and abnormal conditions

引用

Frontiers in Energy 2020年第2期14卷 400-409页

作者： Rahul SHARMA Sathans SUHAG Department ofElectrical Engineering NITKurukshetra 136119India

This paper proposes a control strategy for interface of distributed energy sources into the weak grid system with a focus on the energy and ancillary services.A novel controller has been designed and implemented to tackle the challenges of coupling terms in the LCL filter,the transient behavior under sudden changes,and the voltage support under fault condition using the feedback linearization technique.The controller proposed has been implemented on the PV system connected with the weak grid using the LCL filter and the performance of the controller has been verified using Matlab/Simulink through simulation under different conditions.The results of the controller proposed have been compared with the conventional PI dual loop controller.The simulation results obtained demonstrate the effectiveness and simplicity of the controller design strategy.

关键词： PV system grid interface feedback linearization inverter LCL filter

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

feedback linearization of the nonlinear model of a small-scale helicopter

引用

控制理论与应用（英文版） 2010年第3期8卷 301-308页

作者： Baoquan SONG Yunhui LIU Caizhi FAN College of Electronic Science and Engineering National University of Defense Technology Changsha Hunan 410073 China Department of Mechanical and Automation Engineering The Chinese University of Hong Kong Hong Kong China

In order to design a nonlinear controller for small-scale autonomous helicopters, the dynamic characteristics of a model helicopter are investigated, and an integrated nonlinear model of a small-scale helicopter for hovering control is presented. It is proved that the nonlinear system of the small-scale helicopter can be transformed to a linear system using the dynamic feedback linearization technique. Finally, simulations are carried out to validate the nonlinear controller.

关键词： feedback linearization Nonlinear model Model helicopter

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Impact angle control over composite guidance law based on feedback linearization and finite time control

引用

Journal of Systems Engineering and Electronics 2018年第5期29卷 1036-1045页

作者： ZHANG Xiaojian LIU Mingyong LI Yang ZHANG Feihu School of Marine Science and Technology Northwestern Polytechnical University

The impact angle control over guidance(IACG) law against stationary targets is proposed by using feedback linearization control(FLC) and finite time control(FTC). First, this paper transforms the kinematics equation of guidance systems into the feedbackable linearization model, in which the guidance law is obtained without considering the impact angle via FLC. For the purpose of the line of sight(LOS) angle and its rate converging to the desired values, the second-order LOS angle is considered as a double-integral system. Then, this paper utilizes FTC to design a controller which can guarantee the states of the double-integral system converging to the desired values. Numerical simulation illustrates the performance of the IACG, in contrast to the existing guidance law.

关键词： guidance law impact angle feedback linearization finite time control global stabilization

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Investigation on full vehicle height control algorithm using feedback linearization method

引用

Journal of Beijing Institute of Technology 2016年第2期25卷 172-180页

作者：陈思忠刘畅吴志成杨林赵玉壮 School of Mechanical Engineering Beijing Institute of Technology

Aiming to improve the control accuracy of the vehicle height for the air suspension system,deeply analyzing the processes of variable mass gas thermodynamics and vehicle dynamics,a nonlinear height control model of the air suspension vehicle was built. To deal with the nonlinear characteristic existing in the lifting and lowering processes,the nonlinear model of vehicle height control was linearized by using a feedback linearization method. Then,based on the linear full vehicle model,the sliding model controller was designed to achieve the control variables. Finally,the nonlinear control algorithm in the original coordinates can be achieved by the inverse transformation of coordinates. To validate the accuracy and effectiveness of the sliding mode controller,the height control processes were simulated in Matlab,i. e.,the lifting and lowering processes of the air suspension vehicle were taken when vehicle was in stationary and driving at a constant speed. The simulation results show that,compared to other controllers,the designed sliding model controller based on the feedback linearization can effectively solve the ＂overshoot＂problem,existing in the height control process,and force the vehicle height to reach the desired value,so as to greatly improve the speed and accuracy of the height control process. Besides,the sliding mode controller can well regulate the roll and pitch motions of the vehicle body,thereby improving the vehicle＇s ride comfort.

关键词： full vehicle height control feedback linearization sliding model control

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

feedback linearization Optimal Control for Bilinear Systems with Time-Delay in Control Input

Feedback Linearization Optimal Control for Bilinear Systems ...

引用

2013年中国智能自动化学术会议

作者： Dexin Gao College of Automation and Electronic Engineer Qingdao University of Science & Technology

This paper considers the optimal control problem for bilinear system with time-delay in control input based on state feedback.Firstly,we change a bilinear system with time-delay in control action model to a time-delay pseudo linear system model by local linearization.Through the Artstein transformation,a linear controllable system without delay is obtained.Then based on the theory of linear quadratic optimal control,a optimal controller is designed by solving the Riccati equation.At last,the simulation results show the effectiveness of the method.

关键词： Bilinear systems Optimal control feedback linearization Time-delay

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

feedback linearization and Continuous Sliding Mode Control for a Quadrotor UAV

Feedback Linearization and Continuous Sliding Mode Control f...

引用

第二十七届中国控制会议

作者： Zhou Fang,Zhang Zhi,Liang Jun,Wang Jian College of Automation,Harbin Engineering University,Harbin 150001,P.R.China

This paper presents a continuous sliding mode control method based on feedback linearization,an output tracking control is designed for the system.A discontinuous sliding mode control can be changed into a continuous one by dynamical extending the nonlinear system.The problem of zero dynamics from the state feedback exact linearization process can be solved by placing two integrators in front of partial control input,.and realize the decoupling control.The control method in this paper compared with sliding control based on backstepping technique,it overcomes the disadvantage of sliding mode control just as chatting phenomenon,and it has no need to design the complex Lynapunov function according to the backstepping method.The simulation result shows that the control law prescribed in this paper can follow up the given signal.

关键词： Unmanned quadrotor Continuous sliding mode control feedback linearization Dynamical extend Output tracking control

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

feedback linearization Control for Electro-hydraulic Servo System Based on Nonlinear Disturbance Observer

Feedback Linearization Control for Electro-hydraulic Servo S...

引用

第36届中国控制会议

作者： Shenhang Wang Qi Xu Ruishi Lin Mingjun Yang Wei Zheng Zhaolei Wang Beijing Aerospace Automatic Control Institute

ISBN: (纸本)9781538629185

feedback linearization control based on nonlinear disturbance observer is investigated for an electro-hydraulic servo system with external disturbances and system uncertainties.Firstly,a mathematical model of electro-hydraulic servo system is developed and a single input-output affine system form is obtained.Then the technique,based on the feedback linearization,is employed to transform the nonlinear system to an equivalent linear form,the controller of which is designed by the pole placement algorithm.Finally,a nonlinear disturbance observer is developed,which is a useful method for improving the system robustness and reducing the effects of disturbances and system uncertainties.The simulation example shows that the proposed strategy can suppress parameter variation and exterior disturbance as well as obtaining good dynamic response.

关键词： Electro-hydraulic system feedback linearization nonlinear disturbance observer

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

feedback linearization Optimal Disturbances Rejection Approach of Bilinear Systems

Feedback Linearization Optimal Disturbances Rejection Approa...

引用

第三十届中国控制会议

作者： GAO De-Xin~(1,2),YANG Xiao-Yan~2,CUI Bao-Tong~1 1.School of Internet of Things Engineering,Jiangnan University WuXi,214122,P.R.China 2.College of Automation and Electronic engineer,Qingdao University of Science & Technology,Qingdao 266042,P.R.China

＜正＞This paper considers the optimal control problem for the bilinear system affected by measurable disturbances based on state feedback linearization.Firstly,the model of the bilinear system affected by the disturbances is changed to an affine nonlinear system affected by disturbances.Secondly,according to the concept of relative order of the output with respect to the input,we change a nonlinear system to a pseudo linear system model through the coordinate transformation,Then based on the theory of linear quadratic optimal control,the optimal controller is designed.By solving the Riccati equation and the Sylvester equation,a feedforword/feedback transformation is designed which is used to eliminate the influence of the disturbances.At last, the simulation results show the effectiveness of the method.

关键词： Bilinear system feedback linearization Optimal Control Disturbance Rejection

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

feedback linearization control for HRV attitude control based on high order disturbance observer

Feedback linearization control for HRV attitude control base...

引用

第37届中国控制会议

作者： Hongru Jiang Yuanqing Xia Ganghui Shen Dailiang Ma Qun Cao School of Automation Beijing Institute of Technology

High response speed, coupling dynamics and nonlinearities of hypersonic re-entry vehicles（HRVs） makes the attitude control a significant technology. This paper proposes a feedback linearization control scheme based on backstepping technology design for attitude tracking control of HRV in the presence of disturbances. In the proposed control design scheme, the higher order disturbance observer（HODO） is adopted to estimate and compensate for the disturbances. Then the convergence of HODO and stability of closed-loop system are presented. Finally, simulation results are given to illustrate the effectiveness of the proposed method.

关键词： HRV Backstepping technology feedback linearization Higher order disturbance observer

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：