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Design and Analysis of Fault Diagnosis and Fault-tolerant Control for a Class of MIMO Nonlinear State Systems

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Instrumentation 2019年第4期6卷 14-25页

作者： Sunan HUANG kok kiong tan Temasek Laboratories National University of SingaporeSingapore 117411 Electrical and Computer Engineering Department National University of SingaporeSingapore 117583

This paper presents a fault diagnosis and fault-tolerant control algorithm,which can be used for a class of multi-input multi-output(MIMO)nonlinear state ***,a state estimator is proposed,which is able to detect fault occurrence,by using a residual ***,when the state is at an abnormal condition,the fault-tolerant control will be triggered to minimize the impact of the fault *** fault-tolerant control is designed by using a robust controller(original controller),and an on-line approximator to capture a nonlinear function that indicates the fault *** detailed analysis is given for the proposed fault accommodation control.

关键词： Fault Diagnosis Fault Detection Nonlinear Observer On-line Approximator Fault-tolerant Control

Lane Keeping Algorithm for Off-The-Shelf Wide-Angle Camera

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Instrumentation 2019年第2期6卷 49-62页

作者： Kyaw koko HTET kok kiong tan Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583

Automobile accidents cost over a trillion-do llar every year and this figure will continue increasing without employing new technological *** these solutions,the automated lane-keeping system is one of the promising ones and such a system consists of two essential technologies:road detection and steering *** this paper,novel lane keeping algorithms are proposed and are implemented using only a single off-the-shelf wide-angle camera as *** implemented system is verified,through both simulation and experiments,and is found providing satisfactory performance for an automated lane-keeping *** compared to the state-of-the-art lane-keeping systems,the implemented system can perform consistently across various ambient light conditions including the most challenging ones.

关键词： Automotive accidents Autonomous driving Road detection Steering control Lane detection Lane keeping Sensing with mono camera

Analysis, Design and Application of A New Practical Iterative Learning Control Scheme

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Analysis, Design and Application of A New Practical Iterativ...

用于生物仪器的压电式超声波电动机控制系统设计

第十九届中国控制会议

作者： kok kiong tan kok Zuea tang YangQuan Chen Dept．of Electrical Engineering National University of Singapore10 Kent Ridge CrescentSingapore 119260 Dept．of Electrical Engineering National University of Singapore10 Kent Ridge CrescentSingapore 119260 Servo Product Development Group Seagate Technology InternationalSingapore Science ParkSingapore 118249

＜正＞A new iterative learning control （ILC） updating law is proposed for tracking control of continuous linear system over a finite time interval. The ILC is applied as a feedforward controller to the existing feedback controller. By using the local symmetrical integral of feedback control signal of previous iteration, the ILC updating law takes a simple form with only two design parameters: the learning gain and the range of local integration. Convergence analysis is presented together with a design procedure.

关键词： Iterative learning control local symmetrical integration convergence analysis controller design and tuning.

来源： cnki会议评论

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微特电机 2005年第7期33卷 33-35,39页

作者：谢瑜 tan kok kiong 集美大学福建厦门361009 National University of Singapore singapore117576

根据压电式超声波电动机响应快、运行安静等特点设计了一套可用于生物医学实验的微机控制的压电式超声波电动机高精度闭环位置控制系统。在控制算法上采用PI控制算法,既实现高精度的定位需要,又方便非专业实验人员在实验时进行微调。硬... 详细信息

根据压电式超声波电动机响应快、运行安静等特点设计了一套可用于生物医学实验的微机控制的压电式超声波电动机高精度闭环位置控制系统。在控制算法上采用PI控制算法,既实现高精度的定位需要,又方便非专业实验人员在实验时进行微调。硬件组成简单,便于超声波电动机在其它领域的推广应用。

关键词：超声波电动机 ICSI 位置控制

Smart Instrumentation in Video Streams Using Real-time Bit-rate Adaptation

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Instrumentation 2020年第1期7卷 1-12页

作者： KYAW Ko Ko Htet tan kok kiong Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583

With the proliferation of video traffic across the Internet and wireless networks,various compression standards for videos have emerged over the past two *** them,Motion Joint Photographic Expects Group(M-JPEG)offers the advantages of no frame-to-frame error propagation,less computation cost,and achieving a short latency in both encoding and ***,the bit-rate of M-JPEG stream is variable due to its dynamic frame size,and that leads to adverse outcomes such as inducing different quality-of-service(QoS)grades from servers and networks and inducing disturbances in a real-time network *** paper proposes a novel approach that can control bit-rate and also the individual frame size of M-JPEG video stream in *** results are provided to show that the proposed approach is amenable to direct,straightforward implementation and yet outperforms similar existing approaches in regulating the bit-rate and the frame size of M-JPEG streams.

关键词： Adaptation M-JPEG Video Streaming

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局部对称积分型迭代学习控制(英文)

控制理论与应用 2000年第3期17卷 347-352页

作者：陈阳泉窦惠芳陈国强希捷国际新加坡科学园设计中心硬盘产品研发伺服部新加坡国立大学电子工程系机电一体化与自动化实验室

提出了一个新的迭代学习控制 (ILC)更新律用于连续线性系统的有限时间区间跟踪控制 .迭代学习控制作为一个前馈控制器加在已有的反馈控制器之上 .对于上次迭代的反馈控制信号作局部对称积分 ,所提出的迭代学习控制更新律具备较简单的形... 详细信息

提出了一个新的迭代学习控制 (ILC)更新律用于连续线性系统的有限时间区间跟踪控制 .迭代学习控制作为一个前馈控制器加在已有的反馈控制器之上 .对于上次迭代的反馈控制信号作局部对称积分 ,所提出的迭代学习控制更新律具备较简单的形式且仅含有两个设计参数 ,即 :学习增益和局部积分的区间长度 .给出了收敛性分析以及设计步骤 .

关键词：迭代学习控制局部对称积分连续线性系统