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15 Result(s)
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Article
Design and Optimization of a New Compliant Rotary Positioning Stage with Constant Output Torque
This paper presents the design, optimization, and experimental testing of a new compliant rotary positioning stage with constant torque output. The constant-torque rotary stage is devised based on flexure-base...
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Article
Design and testing of a new 3-DOF spatial flexure parallel micropositioning stage
This paper presents the design and testing of a novel 3-DOF parallel flexure micropositioning stage for micro-scale operations. The proposed modular design can obtain the merit of high interchangeability durin...
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Book
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Chapter
Digital Sliding-Mode Control of High-Order Systems
This chapter presents the design and implementation of an input–output-based digital sliding-mode control (IODSMC) algorithm to suppress the nonlinearity and disturbance in piezoelectric micro-/nano-positionin...
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Chapter
Model-Reference Adaptive Control with Perturbation Estimation
This chapter presents the design and testing of a model-reference adaptive control (MRAC) scheme to compensate for the hysteresis effect of a class of piezo-actuated systems, which possess a second-order nomin...
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Chapter
Position/Force Switching Control of a Miniature Gripper
This chapter presents the design and implementation of combined position and force control of a piezoelectrically actuated compliant gripper.
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Chapter
Feedforward Control Based on Inverse Hysteresis Models
This chapter presents the rate-dependent compensation of a piezoelectric nanopositioning stage using the feedforward control based on an inverse hysteresis model. Three different controllers are realized and...
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Chapter
Model Predictive Discrete-Time Sliding-Mode Control
This chapter presents a scheme of model predictive discrete-time sliding mode control (MPDTSMC) with proportional-integral (PI) sliding function and state observer for the motion tracking control of a nanoposi...
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Chapter
Digital Sliding-Mode Control of Second-Order Systems
This chapter presents the precision motion control of a piezoelectric bimorph actuator without using a hysteresis model and a state observer.
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Chapter
Digital Sliding-Mode Prediction Control
This chapter presents the design and verification of a digital sliding-mode prediction control (DSMPC) scheme for precise position control of piezoelectric micro-/nanopositioning systems.
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Chapter
Adaptive Impedance Control of Piezoelectric Microgripper
Delicate interaction control is a crucial issue for automated microsystems dedicated to micromanipulation of microobjects. This chapter presents a framework of digital sliding mode generalized impedance contro...
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Chapter
Introduction
This chapter provides an introduction to the piezoelectric micro-/nano-positioning system and the concerned control problems.
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Chapter
Feedforward Control Without Modeling Inverse Hysteresis
This chapter presents an approach of hysteresis identification and compensation of piezoelectric actuators by resorting to an intelligent hysteresis model. In particular, a least squares support vector machine...
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Chapter
Model Predictive Output Integral Discrete-Time Sliding-Mode Control
This chapter presents a control scheme termed model predictive output integral discrete-time sliding-mode control (MPOIDSMC) to achieve a precise positioning for a piezoelectric actuation stage.
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Article
Design of a flexure-based auto-focusing device for a microscope
This paper presents the design, fabrication, and testing procedures of a compliant auto-focusing device for a microscope. To obtain a long focusing range, a new flexure positioning mechanism is devised based o...
