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Article
Cutting torque feedback control for thin-wall conical workpieces
An innovative approach of online cutting torque estimation and real-time feedback control for thin-wall tubular geometry workpieces is proposed and verified by experiments. This research is focused on how to f...
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Chapter and Conference Paper
Contactless Torque/Speed Sensing Module with Digital Signal Processing Circuit
A torque/ module with signal processing circuit is designed and studied. To enhance more sensitivity with respect to the exerted torque, the cross-section of the mechanical structure is designed to be o...
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Article
Design of drug-delivery micro-wheel and auto-rolling control by change of gravity center
A micro-dosing system of overall size 5×5×4.2 mm3 for drug delivery is proposed and presented. The drug delivery system mainly consists of a micro-wheel and a micro-drug release mechanism. The motion of the micro...
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Article
Innovative chemical mechanical polish design and experiments
An innovative design for intelligent chemical mechanical polishing (CMP) control system is proposed and verified by experiments. Online measurement and real-time feedback are integrated to eliminate the shortc...
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Article
Anti-windup embedded magnetic actuator applied for near-high-speed milling
A fuzzy anti-windup (AW) compensator is proposed and applied to the embedded cylindrical-array magnetic actuator (ECAMA) to ensure the superior performance of spindle position regulation for milling machines u...
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Article
Position regulator for spindle of milling machine by embedded magnetic bearings
The goal of this work is to concurrently counter-balance the dynamic cutting force and regulate the spindle position deviation by integrating active magnetic bearing (AMB) technique, fuzzy logic algorithm and ...
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Article
Regulation of spindle position by magnetic actuator array
A novel embedded cylindrical-array magnetic actuator (ECAMA) is proposed and verified by experiments to provide sufficient magnetic force for spindle deviation regulation of high-speed milling process. Four I-...
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Article
Fabrication and performance assessment of a novel stress sensor applied for micro-robotics
An innovative tactile sensor is analyzed and verified by intensive experiments. By using micro-cantilever beams, on which the strain gauge layers (Pt/Ti) are deposited, the corresponding induced strains can be...
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Article
Spindle vibration suppression for advanced milling process by using self-tuning feedback control
The goal of this work is to concurrently counterbalance the dynamic cutting force and regulate the spindle position deviation under various milling conditions by integrating active magnetic bearing (AMB) techn...
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Article
Chatter prevention for milling process by acoustic signal feedback
This paper presents how real-time chatter prevention can be realized by feedback of acoustic cutting signal, and the efficacy of the proposed adaptive spindle speed tuning algorithm is verified as well. The co...
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Article
Design of micro-retainer to counter-balance spinning seismic proof mass
An innovative magnetic module which is concurrently capable of performing as an actuator and a sensor is proposed and analyzed. The magnetic module is basically similar to a micro-scale Linear Variable Differe...
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Article
Compensation to imperfect fabrication and asymmetry of micro-gyroscopes by using disturbance estimator
Owing to the imposed coupling accelerations such as quadrature error and cross-axis perturbation, the micro-machined gyroscope could not be unconditionally retained at resonant mode. Once the preset resonance ...
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Article
A novel active vibration isolator applied for micro-gyro by array of deposited electrodes
Micro-gyroscopes are usually driven into resonance so that the sensitivity and resolution can be enhanced. However, if any substantial vibration of the gyroscope base, over which the seismic proof mass is seat...
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Article
Stability and resonance of micro-machined gyroscope under nonlinearity effects
Resonance frequency for a micro-gyroscope plays an extremely significant role since the driving frequency is accordingly tuned so that the best sensitivity and resolution can be achieved. In practice, the micr...
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Article
Magnetic actuator design for single-axis micro-gyroscopes
An innovative magnetically levitated system design is presented in this paper. The proof mass, used as the seismic detection components for gyroscopes, is levitated by the presented micro-coil actuator so that...
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Article
Performance characterization of a decoupled tri-axis micro angular rate sensor
A novel tri-axis micro-gyroscope is proposed in this paper. Three orthogonal axis angular rates, pitch, yaw, and row, can be detected simultaneously by the designed micro-gyroscope. The coupling effect of the ...
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Article
Design and dynamics of an innovative micro gyroscope against coupling effects
This paper presents an innovative micro gyroscope design. The proposed tri-axis gyroscope possesses the capability of detecting three-dimensional angular motions. The motion of each sensing element is, by elab...
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Article
Dynamic simulation and novel fabrication technique on ICPF-based micro-actuators for flexible micro dosing systems
Dynamic analysis of sandwiched driving diaphragms, made of ionic conductive polymer (ICP), and an innovative fabrication technique to micro-machine them are reported. Firstly, the dynamics of ICP film (ICPF) i...
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Article
Nonlinear dynamics and control for single-axis gyroscope systems
A nonlinear feedback control system of the single-axis gyroscope governed by a servo motor is studied in this paper. The closed-loop feedback is designed to account for the gimbal nutation as the gyroscope und...
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Article
Thermal trajectory control for micro RT-PCR biochips
Being beneficial from dramatic progress in bio-chemical and micro-electro-mechanical technologies, traditional DNA manipulation devices tend to be miniaturized to speed up detection processing. Polymerase chai...
