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Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane payload capacity

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 265-278 doi: 10.1007/s11465-017-0453-y

Abstract: The LCPS consists of four voice coil motors (VCMs), which are conformally designed for compactness, and

Keywords： compliant positioning stage     large travel range     high out-of-plane payload capacity     spatial parallelogram     voicecoil motor     sensitivity analysis    

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Electronically enhancing the long-range nanopositioning accuracy of a Lorentz force actuator Research Article

Bimal Jeet GOTEEA, Qianjun ZHANG, Wei DONG,bj.goteea@gmail.com,zhang_qj@stu.hit.edu.cn,dongwei@hit.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 7,   Pages 1080-1092 doi: 10.1631/FITEE.2200255

Abstract: First, a suitable coil is designed for the actuator based on the stiffness of the flexure guide model

Keywords： Nanopositioning     Flexure guides     Long range     Voice coil motor     Lorentz force actuator    

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Flexible liquid metal coil prepared for electromagnetic energy harvesting and wireless charging

Shen GUO, Peng WANG, Jichuan ZHANG, Wenpeng LUAN, Zishuo XIA, Lingxiao CAO, Zhizhu HE

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 474-482 doi: 10.1007/s11708-019-0632-0

Abstract: This paper reported a study on a flexible liquid metal coil (LMC) for electromagnetic collection from

Keywords： liquid metal     Galinstan     flexible coil     electromagnetic energy harvesting     wireless charging    

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Linear ultrasonic motor using quadrate plate transducer

Jiamei JIN, Chunsheng ZHAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 88-91 doi: 10.1007/s11465-009-0016-y

Abstract: A linear ultrasonic motor using a quadrate plate transducer was developed for precision positioning.This motor consists of two pairs of Pb(Zr,Ti)O piezoelectric ceramic elements, which are piezoelectricallyexcited into the second-bending mode of the motor stator’s neutral surface in two orthogonal directionsThe performance characteristics achieved by the motor are: 1) a maximum linear speed of more than 60

Keywords： ultrasonic motor     quadrate plate     coincident frequency     alternant contact    

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Design and analysis of linear oscillating motor for linear pump application-magnetic field, dynamics

Zongxia JIAO,Tianyi WANG,Liang YAN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 351-362 doi: 10.1007/s11465-016-0407-9

Abstract:

A linear oscillating motor is an electromagnetic actuator that can achieve short-stroke reciprocatingIn this paper, a general framework of linear oscillating motor design and optimization is addressed in

Keywords： linear oscillating motor     linear pump     magnetic field     motor optimization    

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Reliability Optimization Design for Coil Tube-spring

Zhang Yimin,He Xiangdong,Wen Bangchun

Strategic Study of CAE 2002, Volume 4, Issue 5,   Pages 71-74

Abstract: employed to present the practical and effective method for the reliability optimization design for coilThe respective program can be used to obtain the reliability optimization design information of coil

Keywords： coil tube-spring     reliability     optimization design     second moment method    

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Control on self-assembly structures of rod-coil-rod (PANI)-(PEG)-(PANI) triblock copolymer

YANG Zhifang, WU Jingao, YANG Yingkui, ZHOU Xingping, XIE Xiaolin

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 85-88 doi: 10.1007/s11705-008-0003-6

Abstract: The self-assembly behaviors of the rod-coil-rod (PANI)-(PEG)-(PANI) triblock copolymer are investigated

Keywords： different     multi-layer     mono-layer     dimethyl formamide     concentration    

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Analysis of resonant coupling coil configurations of EV wireless charging system: a simulation study

M. LU, A. JUNUSSOV, M. BAGHERI

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 152-165 doi: 10.1007/s11708-019-0615-1

Abstract: and then examined by changing different key parameters to evaluate how transfer distance, load, and coil’s geometry, precisely number of coil’s turns, coil’s shape, and inter-turn distance, influence the efficiencyrevealed that a proper choice of the dimensions, inter-turn distance, and transfer distance of the coilthe influence of the transfer distance, frequency, load, as well as the number of the turns of the coil

Keywords： electromagnetically coupled resonator     near-field power transfer     wireless power transfer (WPT)    

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modified neural learning algorithm for online rotor resistance estimation in vector controlled induction motor

A. CHITRA,S. HIMAVATHI

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 22-30 doi: 10.1007/s11708-014-0339-1

Abstract: Online estimation of rotor resistance is essential for high performance vector controlled drives. In this paper, a novel modified neural algorithm has been identified for the online estimation of rotor resistance. Neural based estimators are now receiving active consideration as they have a number of advantages over conventional techniques. The training algorithm of the neural network determines its learning speed, stability, weight convergence, accuracy of estimation, speed of tracking and ease of implementation. In this paper, the neural estimator has been studied with conventional and proposed learning algorithms. The sensitivity of the rotor resistance change has been tested for a wide range of variation from -50% to+50% on the stability of the drive system with and without estimator. It is quiet appealing to settle with optimal estimation time and error for the viable realization. The study is conducted extensively for estimation and tracking. The proposed learning algorithm is found to exhibit good estimation and tracking capabilities. Besides, it reduces computational complexity and, hence, more feasible for practical digital implementation.

Keywords： neural networks     back propagation (BP)     rotor resistance estimators     vector control     induction motor    

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Review of human–robot coordination control for rehabilitation based on motor function evaluation

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0684-4

Abstract: As a wearable and intelligent system, a lower limb exoskeleton rehabilitation robot can provide auxiliary rehabilitation training for patients with lower limb walking impairment/loss and address the existing problem of insufficient medical resources. One of the main elements of such a human–robot coupling system is a control system to ensure human–robot coordination. This review aims to summarise the development of human–robot coordination control and the associated research achievements and provide insight into the research challenges in promoting innovative design in such control systems. The patients’ functional disorders and clinical rehabilitation needs regarding lower limbs are analysed in detail, forming the basis for the human–robot coordination of lower limb rehabilitation robots. Then, human–robot coordination is discussed in terms of three aspects: modelling, perception and control. Based on the reviewed research, the demand for robotic rehabilitation, modelling for human–robot coupling systems with new structures and assessment methods with different etiologies based on multi-mode sensors are discussed in detail, suggesting development directions of human–robot coordination and providing a reference for relevant research.

Keywords： human–robot coupling     lower limb rehabilitation     exoskeleton robot     motor assessment     dynamical model    

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Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: It is well recognized that the voltage stability of a power system is affected by the load model and hence, to effectively analyze the reactive power compensation of an isolated hybrid wind-diesel based power system, the loads need to be considered along with the generators in a transient analysis. This paper gives a detailed mathematical modeling to compute the reactive power response with small voltage perturbation for composite load. The composite load is a combination of the static and dynamic load model. To develop this composite load model, the exponential load is used as a static load model and induction motors (IMs) are used as a dynamic load model. To analyze the dynamics of IM load, the fifth, third and first order model of IM are formulated and compared using differential equations solver in Matlab coding. Since the decentralized areas have many small consumers which may consist large numbers of IMs of small rating, it is not realistic to model either a single large rating unit or all small rating IMs together that are placed in the system. In place of using a single large rating IM, a group of motors are considered and then the aggregate model of IM is developed using the law of energy conservation. This aggregate model is used as a dynamic load model. For different simulation studies, especially in the area of voltage stability with reactive power compensation of an isolated hybrid power system, the transfer function of the composite load is required. The transfer function of the composite load is derived in this paper by successive derivation for the exponential model of static load and for the fifth and third order IM dynamic load model using state space model.

Keywords： isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor load    

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Ultrasonic Motor Techniques for 21st Century

Zhao Chunsheng

Strategic Study of CAE 2002, Volume 4, Issue 2,   Pages 86-91

Abstract:

Firstly, a review of the development and applications of the ultrasonic motor techniques since theFinally, the trend of the development of the motor in the 21st century is pointed out.

Keywords： ultrasonic motor     piezoelectric ceramics     friction materials    

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Research on the control systems of a precision linear motor drive device

YAN Han, WANG Xian-kui, DUAN Guang-hong

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 260-264 doi: 10.1007/s11465-006-0036-9

Abstract: The model of a precision linear motor drive device (PLMDD) and its control requirements are analyzed.

Keywords： feedforward     tracking     ±5     anti-disturbance performance     algorithm    

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Comparative study of various artificial intelligence approaches applied to direct torque control of induction motor

Moulay Rachid DOUIRI, Mohamed CHERKAOUI

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 456-467 doi: 10.1007/s11708-013-0264-8

Abstract: paper, three intelligent approaches were proposed, applied to direct torque control (DTC) of induction motor

Keywords： inference system (ANFIS)     artificial neural network     direct torque control (DTC)     fuzzy logic     induction motor    

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Power control of dual-motor electric drive for tracked vehicles

Yuan ZOU, Chengning ZHANG, Fengchun SUN, Jingbo WU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 67-72 doi: 10.1007/s11465-009-0059-0

Abstract: The fundamental problem of the power control for the driving of a dual-motor drive electric tracked vehiclePower control schemes of the dual-motor drive system is put forward, designed, and analyzed, including

Keywords： control     electric drive     tracked vehicle    

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Title Author Date Type Operation

Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane payload capacity

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Journal Article

Electronically enhancing the long-range nanopositioning accuracy of a Lorentz force actuator

Bimal Jeet GOTEEA, Qianjun ZHANG, Wei DONG,bj.goteea@gmail.com,zhang_qj@stu.hit.edu.cn,dongwei@hit.edu.cn

Journal Article

Flexible liquid metal coil prepared for electromagnetic energy harvesting and wireless charging

Shen GUO, Peng WANG, Jichuan ZHANG, Wenpeng LUAN, Zishuo XIA, Lingxiao CAO, Zhizhu HE

Journal Article

Linear ultrasonic motor using quadrate plate transducer

Jiamei JIN, Chunsheng ZHAO

Journal Article

Design and analysis of linear oscillating motor for linear pump application-magnetic field, dynamics

Zongxia JIAO,Tianyi WANG,Liang YAN

Journal Article

Reliability Optimization Design for Coil Tube-spring

Zhang Yimin,He Xiangdong,Wen Bangchun

Journal Article

Control on self-assembly structures of rod-coil-rod (PANI)-(PEG)-(PANI) triblock copolymer

YANG Zhifang, WU Jingao, YANG Yingkui, ZHOU Xingping, XIE Xiaolin

Journal Article

Analysis of resonant coupling coil configurations of EV wireless charging system: a simulation study

M. LU, A. JUNUSSOV, M. BAGHERI

Journal Article

modified neural learning algorithm for online rotor resistance estimation in vector controlled induction motor

A. CHITRA,S. HIMAVATHI

Journal Article

Review of human–robot coordination control for rehabilitation based on motor function evaluation

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Ultrasonic Motor Techniques for 21st Century

Zhao Chunsheng

Journal Article

Research on the control systems of a precision linear motor drive device

YAN Han, WANG Xian-kui, DUAN Guang-hong

Journal Article

Comparative study of various artificial intelligence approaches applied to direct torque control of induction motor

Moulay Rachid DOUIRI, Mohamed CHERKAOUI

Journal Article

Power control of dual-motor electric drive for tracked vehicles

Yuan ZOU, Chengning ZHANG, Fengchun SUN, Jingbo WU,

Journal Article