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disturbance compensation 2

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Disturbance rejection via iterative learning controlwith a disturbance observer for active magnetic bearing None

Ze-zhi TANG, Yuan-jin YU, Zhen-hong LI, Zheng-tao DING

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 131-140 doi: 10.1631/FITEE.1800558

Abstract: A disturbance observer based ILC scheme is proposed that consists of a universal extended state observer

Keywords： Active magnetic bearings (AMBs)     Iterative learning control (ILC)     Disturbance observer    

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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: This study presents an improved compound control algorithm that substantially enhances the anti-disturbanceproportional-integral controller is designed to eliminate the steady-state error caused by the time-invariant disturbancemultiple-integral-based state augmented Kalman filter is proposed to estimate and compensate for the time-varying disturbance

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation     proportional multiple-integral observer    

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Fuzzy impedance control of an electro-hydraulic actuator with an extended disturbance observer Regular Papers-Research Articles

Ming-jie LI, Jian-hua WEI, Jin-hui FANG, Wen-zhuo SHI, Kai GUO

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 9,   Pages 1221-1233 doi: 10.1631/FITEE.1800155

Abstract: Impedance control and an extended disturbance observer are combined to solve this issue.An extended disturbance observer is employed to account for external disturbances and parameter uncertaintiesA detailed model of load force dynamics is presented for the development of the extended disturbanceobserver.

Keywords： Fuzzy control     Impedance control     Disturbance observer     Parameter uncertainties     Electro-hydraulic actuator    

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Modal disturbance investigation of rod-shaped ultrasonic motor using bending vibrations

ZHANG Jiantao, ZHU Hua, ZHAO Chunsheng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 343-347 doi: 10.1007/s11465-008-0058-6

Abstract: Modal disturbance of a rod-shaped ultrasonic motor using bending vibrations can cause problems such asAccordingly, the structure parameters of the stator are modified to separate working modes from disturbanceThe frequency separation between working modes and disturbance modes is more than 2 kHz.

Keywords： Hamilton principle     disturbance     separation     frequency separation     dynamic analysis    

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Virtual reality system of manned maneuvering unit taking into consideration the disturbance from an astronaut

CHENG Jian, FAN Xiu-min, XU An, HONG Xin, HUANG Wei-dong

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 282-287 doi: 10.1007/s11465-006-0042-y

Abstract: Based on the dynamics/kinematics model of an astronaut equipped with an MMU, a disturbance model of theFinally, the paper presents two different results between loading and unloading the disturbance model

Keywords： real-time emendation     disturbance     maneuvering     MMU     correction    

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Application of a Novel Fuzzy Clustering Method Based on Chaos Immune Evolutionary Algorithm for Edge Detection in Image Processing

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 85-89 doi: 10.1007/s11465-005-0023-6

Abstract: In CIEFCM, a tiny disturbance is added to a filial generation group using a chaos variable and the disturbance

Keywords： disturbance amplitude     disturbance     diversity     generation     processing    

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Decentralized fault-tolerant cooperative control of multipleUAVs with prescribed attitude synchronization tracking performance under directed communication topology Regular Papers

Zi-quan YU, Zhi-xiang LIU, You-min ZHANG, Yao-hong QU, Chun-yi SU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 5,   Pages 685-700 doi: 10.1631/FITEE.1800569

Abstract: To further compensate for NN approximation errors and actuator bias faults, the disturbance observer

Keywords： Fault-tolerant control     Decentralized control     Prescribed performance     Unmanned aerial vehicle     Neural network     Disturbanceobserver     Directed topology    

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Polycystic ovary syndrome

Zi-Jiang CHEN, Yuhua SHI

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 280-284 doi: 10.1007/s11684-010-0098-2

Abstract: Polycystic ovary syndrome (PCOS) is a common gynecologic endocrinopathy. The pathogenesis of PCOS is associated with both heredity and environment. PCOS has adverse impacts on female endocrine, reproduction, and metabolism. PCOS can impact women’s reproductive health, leading to anovulatory infertility and higher rate of early pregnancy loss. PCOS has additional metabolic derangements, such as insulin resistance, impaired glucose tolerance, and dyslipidemia. The risks of diabetes, cardiovascular disease, hypertension, metabolic syndrome, and endometrial cancer among PCOS patients are significantly increased as well.

Keywords： polycystic ovary syndrome     genetics     metabolic disturbance    

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Assessment of a fuzzy logic based MRAS observer used in a photovoltaic array supplied AC drive

Bhavnesh KUMAR, Yogesh K CHAUHAN, Vivek SHRIVASTAVA

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 81-89 doi: 10.1007/s11708-014-0295-9

Abstract: In this paper a fuzzy logic (FL) based model reference adaptive system (MRAS) speed observer for high

Keywords： induction motor drive     fuzzy logic (FL) control     model reference adaptive system (MRAS)     photovoltaic (PV) array     vector control    

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Observer-based control for fractional-order singular systems with order Research Article

Bingxin LI, Xiangfei ZHAO, Xuefeng ZHANG, Xin ZHAO

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 12,   Pages 1862-1870 doi: 10.1631/FITEE.2200294

Abstract: In this paper, for fractional-order with order (0<<1) and is studied. On the basis of the Smith predictor and approximation error, the system with is approximately equivalent to the system without . Furthermore, based on the (LMI) technique, the necessary and sufficient condition of is proposed. Since the condition is a nonstrict LMI, including the equality constraint, it will lead to some trouble when solving problems using toolbox. Thus, the strict LMI-based condition is improved in the paper. Finally, a numerical example and a direct current motor example are given to illustrate the effectiveness of the strict LMI-based condition.

Keywords： Observer-based control     Singular systems     Fractional order     Input delay     Linear matrix inequality    

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Numerical Simulation of Rotor/Stator Interaction in Turbomachinery by Use of a Disturbance Vortex Method

Chen Maozhang,Peng Bo

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 15-23

Abstract:

A disturbance vortex method for simulating rotor/stator interaction in turbomachinery was developedaim to lay down a solid mathematical and physical foundation for the disturbance vortex method.and energy transport equations for disturbance motion in a coupled way.the disturbance expansion is taken into consideration.disturbance motion.

Keywords： turbomachinery     rotor/stator interaction     disturbance vortex method     compressible flow     unsteady flow    

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Observer design for induction motor: an approach based on the mean value theorem

Mohamed Yacine HAMMOUDI,Abdelkarim ALLAG,Mohamed BECHERIF,Mohamed BENBOUZID,Hamza ALLOUI

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 426-433 doi: 10.1007/s11708-014-0314-x

Abstract: In this paper, observer design for an induction motor has been investigated.The peculiarity of this paper is the synthesis of a mono-Luenberger observer for highly coupled systemThe proposed observer guarantees the global exponential convergence to zero of the estimation error.Finally, the simulation results are given to show the performance of the observer design.

Keywords： observer design     differential mean value theorem (DMVT)     sector nonlinearity transformation     linear matrix    

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Polynomial robust observer implementation based passive synchronization of nonlinear fractional-order

Alain Soup Tewa Kammogne, Michaux Noubé Kountchou, Romanic Kengne, Ahmad Taher Azar, Hilaire Bertrand Fotsin, Soup Teoua Michael Ouagni,kouaneteoua@yahoo.fr,aazar@psu.edu.sa,ahmad.azar@fci.bu.edu.eg

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 9,   Pages 1267-1412 doi: 10.1631/FITEE.1900430

Abstract: A robust polynomial observer is designed based on passive synchronization of a given class of r ColpittsThe primary objective of the proposed observer is to minimize the effects of unknown bounded disturbancesmore practicable output-feedback passive controller is proposed using an adaptive polynomial state observerdistributed approach of a continuous frequency of the FOC is considered to analyze the stability of the observer
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Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 325-331 doi: 10.1007/s11465-008-0071-9

Abstract: To recognize diamond grains, digital filtering is used to eliminate the high frequency disturbance from

Keywords： topography     frequency disturbance     filtering     analysis     wavelength    

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Tracking control of robot manipulators via output feedback linearization

FEI Yue-nong, Wu Qing-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 329-335 doi: 10.1007/s11465-006-0034-y

Abstract: A sliding mode perturbation observer (SPO) is designed to estimate unmeasurable states and system perturbations

Keywords： available     comparison     unmeasurable     nonlinear     perturbation observer    

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Title Author Date Type Operation

Disturbance rejection via iterative learning controlwith a disturbance observer for active magnetic bearing

Ze-zhi TANG, Yuan-jin YU, Zhen-hong LI, Zheng-tao DING

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

Fuzzy impedance control of an electro-hydraulic actuator with an extended disturbance observer

Ming-jie LI, Jian-hua WEI, Jin-hui FANG, Wen-zhuo SHI, Kai GUO

Journal Article

Modal disturbance investigation of rod-shaped ultrasonic motor using bending vibrations

ZHANG Jiantao, ZHU Hua, ZHAO Chunsheng

Journal Article

Virtual reality system of manned maneuvering unit taking into consideration the disturbance from an astronaut

CHENG Jian, FAN Xiu-min, XU An, HONG Xin, HUANG Wei-dong

Journal Article

Application of a Novel Fuzzy Clustering Method Based on Chaos Immune Evolutionary Algorithm for Edge Detection in Image Processing

Journal Article

Decentralized fault-tolerant cooperative control of multipleUAVs with prescribed attitude synchronization tracking performance under directed communication topology

Zi-quan YU, Zhi-xiang LIU, You-min ZHANG, Yao-hong QU, Chun-yi SU

Journal Article

Polycystic ovary syndrome

Zi-Jiang CHEN, Yuhua SHI

Journal Article

Assessment of a fuzzy logic based MRAS observer used in a photovoltaic array supplied AC drive

Bhavnesh KUMAR, Yogesh K CHAUHAN, Vivek SHRIVASTAVA

Journal Article

Observer-based control for fractional-order singular systems with order

Bingxin LI, Xiangfei ZHAO, Xuefeng ZHANG, Xin ZHAO

Journal Article

Numerical Simulation of Rotor/Stator Interaction in Turbomachinery by Use of a Disturbance Vortex Method

Chen Maozhang,Peng Bo

Journal Article

Observer design for induction motor: an approach based on the mean value theorem

Mohamed Yacine HAMMOUDI,Abdelkarim ALLAG,Mohamed BECHERIF,Mohamed BENBOUZID,Hamza ALLOUI

Journal Article

Polynomial robust observer implementation based passive synchronization of nonlinear fractional-order

Alain Soup Tewa Kammogne, Michaux Noubé Kountchou, Romanic Kengne, Ahmad Taher Azar, Hilaire Bertrand Fotsin, Soup Teoua Michael Ouagni,kouaneteoua@yahoo.fr,aazar@psu.edu.sa,ahmad.azar@fci.bu.edu.eg

Journal Article

Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Journal Article

Tracking control of robot manipulators via output feedback linearization

FEI Yue-nong, Wu Qing-hua

Journal Article