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Showing papers in "Mechatronics in 2002"


Journal ArticleDOI
G Z Yao1, Fook Fah Yap1, G Chen1, Weihua Li1, S H Yeo1 
TL;DR: In this article, a semi-active control of vehicle suspension system with magnetorheological (MR) damper is presented and performance testing is done for this damper with INSTRON machine.

449 citations


Journal ArticleDOI
TL;DR: In this paper, an electric power steering (EPS) control logic for reduction of steering torque exerted by a driver, realization of various steering feels, and improvement of return-to-center performance was developed.

223 citations


Journal ArticleDOI
TL;DR: A robotic system for inpipe inspection of underground urban gas pipelines developed on the purpose of being utilized as a mobile platform for visual and Non-Destructive Testing (NDT) of the pipeline networks.

196 citations


Journal ArticleDOI
TL;DR: In this article, a climbing robot with eight suction cups was proposed to change its climbing direction to carry an ultrasonic probe or other non-destructive tests (NDT) equipment to evaluate the thickness and integrity of the metal in the inspection of storage tanks.

157 citations


Journal ArticleDOI
Bin Yao1, Li Xu1
TL;DR: In this paper, the adaptive robust control (ARC) strategy is applied and a discontinuous projection-based ARC controller is constructed, based on the design models consisting of known basis functions with unknown weights are used to approximate those unknown nonlinear forces.

133 citations


Journal ArticleDOI
Pyung Hun Chang1, Soo-Jin Lee1
TL;DR: In this paper, the authors used time-delay control (TDC) as the baseline control, and enhanced it with compensators on the basis of insights obtained from the plant dynamics.

104 citations


Journal ArticleDOI
TL;DR: In this article, a welding deposition wizard (WDW) is developed to slice the part, plan the deposition parameters, and control the deposition process, which is capable of handling tolerance specifications and material properties.

99 citations


Journal ArticleDOI
TL;DR: In this paper, a tracking position control method is proposed and experimentally evaluated for a linear positioning system, which is composed of a pneumatic actuator and a 5-port proportional valve.

85 citations


Journal ArticleDOI
Guangjun Liu1
TL;DR: In this article, a linear parametric friction model is formulated by linearizing a nonlinear empirical friction model in parameters, and a decomposition-based control design framework is applied to synthesize the friction compensation scheme.

67 citations


Journal ArticleDOI
TL;DR: In this article, a position control method for a piezoelectric actuator is presented, which is based on PID control method augmented with feedback linearization loop using a plant model drawn from the Maxwell slip model.

66 citations


Journal ArticleDOI
TL;DR: In this paper, a short introduction to methods of model based fault detection and diagnosis, application examples for fault detection of automotive vehicle suspension and hydraulic brake systems are given, as well as a short review of the application examples.

Journal ArticleDOI
TL;DR: In this article, a hybrid linear motor that produces precise resolution with long travelling distance under inchworm motion principle is developed, the motor consists of one push and two clamping devices, the clamping device is innovated using multistack piezoelectric actuators with displacement amplifier since the displacement generated from multi-stack actuator is not enough for clamping.

Journal ArticleDOI
TL;DR: In this paper, the authors describe the design and implementation of an open loop DC motor speed control that is based on a micro-controller and on IGBTs, which can predict the dynamic behavior of systems consisting of mechanic and electronic modules.

Journal ArticleDOI
TL;DR: In this paper, the authors compared force measurement results and achievable accuracies of a radial magnetic bearing using different measurement techniques over a large operating range, and developed a state-space model of the entire mechatronic system to facilitate the diagnosis procedure.

Journal ArticleDOI
TL;DR: In this paper, a tunable torsional vibration absorption mechanism, the delayed resonator (DR), is studied and the tuning feedback used is time delayed proportional control on the angular velocity of the absorber.

Journal ArticleDOI
TL;DR: A control algorithm for a platoon of vehicles, which is one of the most important research areas of IVHS, and it is shown that the proposed control algorithm guarantees string stability under several conditions even when each vehicle has different performance.

Journal ArticleDOI
TL;DR: In this paper, a leg drive mechanism, hardware architecture and the leg control method for a walking machine being developed to study various walking gait strategies is described, which employs an inverse differential gear drive system providing large leg lift and swing sweep angle about a common pivotal point.

Journal ArticleDOI
TL;DR: In this paper, a virtual prototype of a hybrid electric vehicle (HEV) is created within the virtual test bed (VTB) environment, which has been developed for modeling, simulation, analysis and virtual prototyping of large-scale multi-technical dynamic systems.

Journal ArticleDOI
TL;DR: In this article, an integrated design methodology is introduced to design a radial AMB system of which volume is minimized according to given design specifications such as static and dynamic load carrying capacities and the equivalent stiffness.

Journal ArticleDOI
TL;DR: An efficient approach for generating velocity profiles that cannot be generated by previous techniques as well as velocity profiles generated by them is proposed and designed by using the VHDL and it is implemented with a FPGA.

Journal ArticleDOI
TL;DR: In this paper, a multi-step straightness control (MSSC) system is proposed for rack bars with deflection pattern analysis and fuzzy self-learning method in order to minimize straightness error of deflected shafts.

Journal ArticleDOI
TL;DR: In this article, a lateral controller design for active 2WS vehicles in ITS applications is presented, based on a linear perturbed model, a robust controller via μ (mu)-synthesis is designed.

Journal ArticleDOI
TL;DR: In this paper, the authors have designed and implemented a USM servo drive using field programmable gate array (FPGA) and the experimental results have shown the feasibility of this implementation.

Journal ArticleDOI
TL;DR: In this paper, the authors report the design and validation of an electrohydraulic steering controller through a combination of system identification, model simulation, and field tests using a kinematic model of the steering linkage geometry provided the gain between the hydraulic actuator and the front wheels.

Journal ArticleDOI
TL;DR: In this paper, the authors describe the design, dynamic modelling and experimental validation of a new three-degree-of-freedom flexible arm which is suitable for industrial applications, based on the assumption that all its mass was concentrated at the tip.

Journal ArticleDOI
TL;DR: In this paper, the optimal synthesis model is set up based on the link-length structural error of the driven side-link introduced in this paper, which can effectively reflect the overall difference between the desired and the generated paths, can avoid the difficulty of selecting corresponding comparison points on the two paths, and can be calculated conveniently.

Journal ArticleDOI
TL;DR: In this article, a multi-layer piezoelectric actuator was used as a stimulator for the implantation of a partially implantable hearing implant in the human temporal bone.

Journal ArticleDOI
TL;DR: In this paper, a human's grasping behavior is analyzed by measuring the grasp and friction forces simultaneously as a man grasps an experimental device which is designed for grasping or hand-over.

Journal ArticleDOI
TL;DR: In this article, the authors describe a micromechanical sensor for contactless detection of torque at rotating shafts, which consists of a silicon chip and uses a magnetoelastic principle for measurement.

Journal ArticleDOI
TL;DR: The benefits of the emerging new class of system-level prototyping approaches as efficient validation methods for the growing microelectronic part of future mechatronic systems which have to cope with increasing complexity and tighter time-to-market constraints should be pointed out.