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635 results on '"Tan, Kok Kiong"'

1. Advanced Disturbance Observer-Based Failure Detection for Force Sensor

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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2. Robust Impedance Control of Constrained Piezoelectric Actuator-Based End-Effector

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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3. Force–Position Control for Fast Tube Insertion

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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4. Stabilization System Based on Vision-Assisted Force Feedback

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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5. Optimal and Robust Contact Force Control on Soft Membrane

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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6. Force-Based Supervisory Control Assisted Surgery

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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7. Disturbance Observer-Based Force Estimation Without Force Sensors

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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8. Introduction

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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9. Conclusion

Author

Lee, Tong Heng, Liang, Wenyu, de Silva, Clarence W., Tan, Kok Kiong, Grimble, Michael J., Series Editor, Ferrara, Antonella, Series Editor, Goodwin, Graham, Editorial Board Member, Harris, Thomas J., Editorial Board Member, Lee, Tong Heng, Editorial Board Member, Malik, Om P., Editorial Board Member, Man, Kim-Fung, Editorial Board Member, Olsson, Gustaf, Editorial Board Member, Ray, Asok, Editorial Board Member, Engell, Sebastian, Editorial Board Member, Yamamoto, Ikuo, Editorial Board Member, Liang, Wenyu, de Silva, Clarence W., and Tan, Kok Kiong

Published
2021
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14. From Parametric Model-based Optimization to robust PID Gain Scheduling

Author

Nguyen, Minh Hoang-Tuan and Tan, Kok Kiong

Subjects
Computer Science - Systems and Control
Abstract

In chemical process applications, model predictive control effectively deals with input and state constraints during transient operations. However, industrial PID controllers directly manipulates the actuators, so they play the key role in small perturbation robustness. This paper considers the problem of augmenting the commonplace PID with the constraint handling and optimization functionalities of MPC. First, we review the MPC framework, which employs a linear feedback gain in its unconstrained region. This linear gain can be any preexisting multiloop PID design, or based on the two stabilizing PI or PID designs for multivariable systems proposed in the paper. The resulting controller is a feedforward PID mapping, a straightforward form without the need of tuning PID to fit an optimal input. The parametrized solution of MPC under constraints further leverages a familiar PID gain scheduling structure. Steady state robustness is achieved along with the PID design so that additional robustness analysis is avoided., Comment: 7 pages, 5 figures, submitted to JPC

Published
2013

15. Robust Precision Positioning Control on Linear Ultrasonic Motor

Author

Nguyen, Minh H-T, Tan, Kok Kiong, Liang, Wenyu, and Teo, Chek Sing

Subjects
Computer Science - Systems and Control
Abstract

Ultrasonic motors used in high-precision mechatronics are characterized by strong frictional effects, which are among the main problems in precision motion control. The traditional methods apply model-based nonlinear feedforward to compensate the friction, thus requiring closed-loop stability and safety constraint considerations. Implementation of these methods requires complex designed experiments. This paper introduces a systematic approach using piecewise affine models to emulate the friction effect of the motor motion. The well-known model predictive control method is employed to deal with piecewise affine models. The increased complexity of the model offers a higher tracking precision on a simpler gain scheduling scheme., Comment: 6 pages, 8 figures, conference

Published
2013

16. Enhanced Predictive Ratio Control of Interacting Systems

Author

Nguyen, Minh Hoang-Tuan, Tan, Kok Kiong, and Huang, Sunan

Subjects
Computer Science - Systems and Control
Abstract

Ratio control for two interacting processes is proposed with a PID feedforward design based on model predictive control (MPC) scheme. At each sampling instant, the MPC control action minimizes a state-dependent performance index associated with a PID-type state vector, thus yielding a PID-type control structure. Compared to the standard MPC formulations with separated single-variable control, such a control action allows one to take into account the non-uniformity of the two process outputs. After reformulating the MPC control law as a PID control law, we provide conditions for prediction horizon and weighting matrices so that the closed-loop control is asymptotically stable, and show the effectiveness of the approach with simulation and experiment results., Comment: 9 pages, 7 figures, 1 table

Published
2013
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17. Learning Locality-Constrained Collaborative Representation for Face Recognition

Author

Peng, Xi, Zhang, Lei, Yi, Zhang, and Tan, Kok Kiong

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

The model of low-dimensional manifold and sparse representation are two well-known concise models that suggest each data can be described by a few characteristics. Manifold learning is usually investigated for dimension reduction by preserving some expected local geometric structures from the original space to a low-dimensional one. The structures are generally determined by using pairwise distance, e.g., Euclidean distance. Alternatively, sparse representation denotes a data point as a linear combination of the points from the same subspace. In practical applications, however, the nearby points in terms of pairwise distance may not belong to the same subspace, and vice versa. Consequently, it is interesting and important to explore how to get a better representation by integrating these two models together. To this end, this paper proposes a novel coding algorithm, called Locality-Constrained Collaborative Representation (LCCR), which improves the robustness and discrimination of data representation by introducing a kind of local consistency. The locality term derives from a biologic observation that the similar inputs have similar code. The objective function of LCCR has an analytical solution, and it does not involve local minima. The empirical studies based on four public facial databases, ORL, AR, Extended Yale B, and Multiple PIE, show that LCCR is promising in recognizing human faces from frontal views with varying expression and illumination, as well as various corruptions and occlusions., Comment: 16 pages, v2

Published
2012
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27. Introduction

Author

Lee, Tong Heng, primary, Liang, Wenyu, additional, de Silva, Clarence W., additional, and Tan, Kok Kiong, additional

Published
2020
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30. Conclusion

Author

Lee, Tong Heng, primary, Liang, Wenyu, additional, de Silva, Clarence W., additional, and Tan, Kok Kiong, additional

Published
2020
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41. Introduction

Author

Xu, Qingsong, Tan, Kok Kiong, Grimble, Michael J., Series editor, Johnson, Michael A., Series editor, Xu, Qingsong, and Tan, Kok Kiong

Published
2016
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44. Case Studies

Author

Huang, Sunan, primary, Tan, Kok Kiong, additional, Er, Poi Voon, additional, and Lee, Tong Heng, additional

Published
2020
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45. Introduction

Author

Huang, Sunan, primary, Tan, Kok Kiong, additional, Er, Poi Voon, additional, and Lee, Tong Heng, additional

Published
2020
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