Simulation and Analysis of Dynamics of Lower Limb Exoskeleton Rehabilitation Robots by Ma Xiaojun, Liu Yuyang, Jia Qiusheng, Liu Desheng, Liu Xunbao, Yuan Mingrun

“…The data are analyzed to verify the correctness of the data, which provides a theoretical basis for the next step of the physical prototype fabrication and the selection of the actuator.…”
Get full text

Fuzzy-Approximation-Based Novel Back-Stepping Control of Flexible Air-Breathing Hypersonic Vehicles with Nonaffine Models by Xingge Li, Gang Li

“…Aiming at the saturation problem of actuator, a saturation auxiliary system is designed to transform the original control problem with input constraints into a new control problem without input constraints. …”
Get full text

Configuration Design and Kinematics Analysis of a New 4-DOF Parallel Machine Tool by Liuyuan He, Ying Mei, Wenwen Xu, Zuo Shen, Ruiqin Li

“…The workspace of the mechanism is analyzed by using the geometric method， the Jacobian matrix is used to prove that the scheme has no singularities in its workspace， the required stroke length of the actuator for the defined task is obtained.…”
Get full text

Configuration Design and Kinematics Analysis of a New Type of a Quadruped Robot Leg Mechanism by Liu Yuntong, Li Xiaodan, Wang Xiaolei

“…A virtual prototype is built by Adams software with the same main structural dimensions, the same constraints and drives are added, a leg configuration is selected according to the comparison of the force of the linear actuator during loading, and the overall prototype design is completed. …”
Get full text

Optimal Sensor Communications in Presence of Transmission Delays and Bandwidth Limitations by M. M. Share Pasand, M. Montazeri

“…In a distributed sensor (and actuator) network, several sensors may be lumped to a single transmitter or communicate via a remote terminal unit. …”
Get full text

Design and Parameter Analysis of New Type of Motor Driven Wheel Traction Device by Zhang Yong, Gao Deli, Zheng Yanchao, Zuo Mingde, Liang Qimin, Hui Shuyi

“…A new type of motor drive wheel traction device is proposed,the structure and principle of the traction device is elaborated.The parameter calculation model is established to calculate the relevant parameters and analyze the obstacle-surmounting ability of traction device.The changes relationship of each parameter is verified and calculated.The traction device is desirable in stability and meshing of actuator and flexible in control of the tractor.The stability,carrying capacity and wellbore adaptability of the tractor in down-hole driver are improved.In addition,it can be enhance the flexible bending adaptability and over-obstacle capacity of tractor in down-hole operation.It can be provides a new idea for designing and development of down-hole traction device in the oil and gas well areas.…”
Get full text

Compact Quantum Cascade Laser-Based Noninvasive Glucose Sensor Upgraded with Direct Comb Data-Mining by Liying Song, Zhiqiang Han, Hengyong Nie, Woon-Ming Lau

“…Beyond increasing the measurement accuracy to the FDA accuracy benchmark, even without a pressure actuator, direct comb data-mining upgrades the sensor system with speed and data integrity, which can impact the healthcare of diabetic patients. …”
Get full text

STUDY ON THE OPERATING CHARACTERISTICS OF UNLOADER OF RECIPROCATING COMPRESSOR STEPLESS CAPACITY REGULATION SYSTEM by ZHENG ZhaoXing, JIANG ZhiNong, WANG Yao, ZHANG JinJie

“…Reciprocating compressor stepless capacity control system in the petrochemical industry are widely used, unloading device as a key component of the system actuator, the action characteristics of the relationship between the quality of the system directly related to the efficiency of the air intake system and compressor valve life. …”
Get full text

Coordinated Compliance Control Method of Five-Axis Redundant Industrial Manipulator Based on Monocular Vision by Hua Cen

“…According to the acquired object target position, the traditional Euler angle is used to calculate the actuator posture impedance at the end of the robotic arm, thereby realizing the coordinated compliant control of the five-axis redundant industrial manipulator. …”
Get full text

Compound Attitude Maneuver and Collision Avoiding Control for a Novel Noncontact Close-Proximity Formation Satellite Architecture by He Liao, Jinjin Xie, Xiaodong Zhou, Chuang Yao, Zhongxing Tang, Yanbin Zhao, Jirong Qi

“…Secondly, the collision avoiding control with disturbance observer-based feedforward compensation is proposed to guarantee the synchronization of the two separated modules within the small air clearance constraint of the noncontact Lorentz actuator. Finally, a physical air-floating platform is established to verify the effectiveness of the proposed approach.…”
Get full text

A Novel Bionic Hand based on SMA Driven by Zhaoyang Huang

“…By using the Shape memory alloy（SMA）wire as actuator， the cam structure of displacement amplifier is designed， which can increase the output displacement of SMA in the driving process. …”
Get full text

A Partially Decoupled Hybrid Manipulator with Separated Positions and Poses by Shuwei Qu, Fang Cheng, Zhihong Guo, Tengbo Qu

“…The theoretical results are consistent with the motion simulation results， and the displacement data points of the actuator change smoothly， it shows that the manipulator can relize complex operation motion. …”
Get full text

Development Path Planning of Sports and Wellness Town under the Background of Computer Virtual Reality Technology by Lichun Chen, Bingxu Lu

“…Moreover, in order to deal with unknown time-varying actuator faults and uncertain disturbances of the system, an improved cost function is constructed in this article, which guarantees the expected performance index of the original system. …”
Get full text

Preventing Ischial Pressure Ulcers: II. Biomechanics by Hilton M. Kaplan, Lucinda L. Baker, Rahman Davoodi, Nga Ting Wong, Gerald E. Loeb

“…Historically gluteus maximus (GM) has been considered an important actuator in attempting to redistribute seated pressures through NMES.…”
Get full text

The Stabilization of Continuous-Time Networked Control Systems with Data Drift by Qixin Zhu, Kaihong Lu, Yonghong Zhu

“…By data drift, we mean the data received by the controller may be different from that sent by the sensor, or the data received by actuator may be different from that sent by the controller. …”
Get full text

Trajectory Planning and Simulation of 6-SPU Parallel Robot by Wencai Liu, Yong Xu, Jiali Chen, Zheng Liang

“…Then, the homogeneous coordinate transformation matrix and the inverse solution calculation formula are used to further determine the movement rules exerted on the end actuator when it is moving on the desired trajectory. …”
Get full text

Design and Performance Analysis of a Sub-micron Piezoelectric Flexible Micro Drive System by Zhang Chuanwei, Li Niuniu, Yang Manzhi, Guo Wei, Xu Kejun, Ge Hongyu

“…In order to get the precision linear motion output，a piezoelectric flexible micro drive system that composed of piezoelectric actuators and flexible micro mechanism is designed，and the system has sub-micron positioning accuracy driven by piezoelectric actuator. …”
Get full text

Analysis and Design of Networked Control Systems with Random Markovian Delays and Uncertain Transition Probabilities by Li Qiu, Chengxiang Liu, Fengqi Yao, Gang Xu

“…This paper focuses on the stability issue of discrete-time networked control systems with random Markovian delays and uncertain transition probabilities, wherein the random time delays exist in the sensor-to-controller and controller-to-actuator. The resulting closed-loop system is modeled as a discrete-time Markovian delays system governed by two Markov chains. …”
Get full text

STUDY OF VIBRATION SUPPRESSION SYSTEM OF HIGH ALTITUDE PLATFORM BASED ON MR DAMPER by CHEN GuiLiang, CAO WeiTao, YANG Dong, ZHANG ShouLin, LI HeLi, ZHANG GaiPing

“…The paper firstly constructs the system with two degrees of freedom parallel mechanism as the main body and rotating MR damper as actuator. The dynamics equation of the vibration system is established by using Lagrange equation. …”
Get full text

Reliable l2–l∞ and H∞ Control for Nonlinear Singular Systems via Dynamic Output Feedback by Lin Li, Yuting Kang

“…The main goal of this paper is to design a generalized nonlinear controller such that, for possible actuator failures, the closed-loop system is regular, casual, and stable with a given l2–l∞ and H∞ disturbance attenuation level being satisfied. …”
Get full text