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Zhiqiang Gao
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Journal Articles

General ADRC Design for Systems With Periodic Disturbances of Unknown and Varying Frequencies

Rafal Madonski, Momir Stankovic, Abdellah Ferdjali, Sally Shao, Zhiqiang Gao
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. January 2021, 143(1): 011006.
Paper No: DS-19-1222
https://doi.org/10.1115/1.4048353
Published Online: September 29, 2020
View Article titled, General ADRC Design for Systems With Periodic Disturbances of Unknown and Varying Frequencies
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Topics: Design, Signals, Errors, Control equipment, Dynamics (Mechanics)
Journal Articles

Robust Tracking in Underactuated Systems Using Flatness-Based ADRC With Cascade Observers

Mario Ramírez-Neria, Rafal Madonski, Sally Shao, Zhiqiang Gao
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. September 2020, 142(9): 091002.
Paper No: DS-19-1293
https://doi.org/10.1115/1.4046799
Published Online: April 30, 2020
View Article titled, Robust Tracking in Underactuated Systems Using Flatness-Based ADRC With Cascade Observers
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Topics: Cascades (Fluid dynamics), Control equipment, Design, Errors, Noise (Sound), Signals, Trajectories (Physics), State estimation, Dynamics (Mechanics), Uncertainty
Proceedings Papers

Smooth Switching Design/Implementation of the Active Disturbance Rejection Control

Shen Zhao, Dan Morris, Zhiqiang Gao
Proc. ASME. IDETC-CIE2017, Volume 9: 13th ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications, V009T07A012, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67119
https://doi.org/10.1115/DETC2017-67119
View Paper titled, Smooth Switching Design/Implementation of the Active Disturbance Rejection Control
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Topics: Control algorithms, Control equipment, Delays, Design, Power stations, Safety, Switches, Unmanned aerial vehicles
Proceedings Papers

On the ESO Based Reinforcement Learning for Pure Feedback Systems

Dazi Li, Wei Wang, Zhiqiang Gao
Proc. ASME. IDETC-CIE2017, Volume 9: 13th ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications, V009T07A019, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67659
https://doi.org/10.1115/DETC2017-67659
View Paper titled, On the ESO Based Reinforcement Learning for Pure Feedback Systems
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Topics: Feedback, Algorithms, State estimation, Trajectories (Physics), Cascades (Fluid dynamics), Control equipment, Simulation results, Tracking control
Journal Articles

Normal Damping Model of Mechanical Joints Interfaces Considering Asperities in Lateral Contact

Zhiqiang Gao, Weiping Fu, Wen Wang, Leiting Lou, Jiebei Wu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021404.
Paper No: TRIB-16-1362
https://doi.org/10.1115/1.4037954
Published Online: October 9, 2017
View Article titled, Normal Damping Model of Mechanical Joints Interfaces Considering Asperities in Lateral Contact
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Topics: Damping, Deformation, Energy dissipation, Friction
Journal Articles

On the Model-Free Compensation of Coulomb Friction in the Absence of the Velocity Measurement

Mingwei Sun, Zhiqiang Gao, Zenghui Wang, Yuan Zhang, Zengqiang Chen
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Design Innovation Paper
J. Dyn. Sys., Meas., Control. December 2017, 139(12): 125001.
Paper No: DS-14-1484
https://doi.org/10.1115/1.4037267
Published Online: August 28, 2017
View Article titled, On the Model-Free Compensation of Coulomb Friction in the Absence of the Velocity Measurement
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Topics: Coulombs, Delays, Friction, Velocity measurement, Noise (Sound), Robustness, Design
Journal Articles

Achieving Minimum Settling Time Subject to Undershoot Constraint in Systems With One or Two Real Right Half Plane Zeros

Shen Zhao, Wenchao Xue, Zhiqiang Gao
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. May 2013, 135(3): 034505.
Paper No: DS-11-1346
https://doi.org/10.1115/1.4023211
Published Online: March 28, 2013
View Article titled, Achieving Minimum Settling Time Subject to Undershoot Constraint in Systems With One or Two Real Right Half Plane Zeros
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Topics: Design, Feedforward control, Signals, Feedback, Theorems (Mathematics), Transfer functions
Journal Articles

On Validation of Extended State Observer Through Analysis and Experimentation

Qing Zheng, Linda Q. Gao, Zhiqiang Gao
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. March 2012, 134(2): 024505.
https://doi.org/10.1115/1.4005364
Published Online: January 3, 2012
View Article titled, On Validation of Extended State Observer Through Analysis and Experimentation
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Topics: Design, Dynamics (Mechanics), Errors, Hardware, Simulation, State estimation, Control systems, Industrial plants, Adaptive control, Parameter estimation