Publications

Minghui Zheng, Xu Chen, Masayoshi Tomizuka (2014). A Nonlinear Feedback Control Scheme for Transient Performance Enhancement in Hard Disk Drives. Proceedings of ASME Annual Conference on Information Storage & Processing Systems.
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Xu Chen, Wei Xi, Young-Hoon Kim, Kuang-Yang Tu (2014). Methods for Closed-loop Compensation of Ultra-high Frequency Disturbances in Hard Disk Drives and Hard Disk Drives Utilizing Same. US Patent 8,630,059.
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Atsushi Oshima, Xu Chen, Sumio Sugita, Masayoshi Tomizuka (2013). Control Design for Cancellation of Unnatural Reaction Torque and Vibrations in Variable-Gear-Ratio Steering System. Proceedings of ASME Dynamic Systems and Control Conference.
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Xu Chen, Masayoshi Tomizuka (2013). Selective Model Inversion and Adaptive Disturbance Observer for Rejection of Time-varying Vibrations on an Active Suspension. Proceedings of European Control Conference, Zurich, Switzerland.
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Xu Chen, Masayoshi Tomizuka (2013). Reduced-Complexity and Robust Youla Parameterization for Discrete-Time Dual-Input-Single-Output Systems. Proceedings of IEEE/ASME International Conference on Advanced Intelligent Mechatronics.
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Liting Sun, Xu Chen, Masayoshi Tomizuka (2013). Neural-Network Based Automatic PID Gain Tuning in the Presence of Time-Varying Disturbances in Hard Disk Drives. Proceedings of ASME Information Storage and Processing Systems Conference.
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Xu Chen, Masayoshi Tomizuka (2013). Control Methodologies for Precision Positioning Systems. Proceedings of IEEE American Control Conference.
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Xu Chen, Atsushi Oshima, Masayoshi Tomizuka (2013). Inverse-Based Local Loop Shaping and IIR-filter Design For Precision Motion Control. Proceedings of the 6th International Federation of Automatic Control Symposium on Mechatronic Systems.
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Xu Chen, Masayoshi Tomizuka (2013). Add-on Loop Shaping via Youla Parameterization for Precision Motion Control. Proceedings of American Society for Precision Engineering Spring Topical Meeting and the MIT Laboratory for Manufacturing and Productivity Annual Summit.
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Xu Chen, Masayoshi Tomizuka (2012). Decoupled Disturbance Observers for Dual-Input-Single-Output Systems With Application to Vibration Rejection in Dual-Stage Hard Disk Drives. Proceedings of ASME Dynamic Systems and Control Conference, and 2012 Motion & Vibration Conference.
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