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Markets of ChenYang Products
Quality & Environment
Research & Development Works
 Sensors & Transducers
 Magnetics & Measuring Instruments
 Measurement Technology
 Digital Signal Processing
Publications
 List of books
 List of Journal Papers
 List of Conference Papers
Self-mixing interferometry for speed measurement
 Open loop Hall-Effect current sensors
 Optical Reflective Gear Tooth Sensor
 Method for Measuring Current Derivative Signal
 Rotational Speed Measuring and Calibration System
 Thermal drift of open-loop Hall Effect current sensor
 Direction Detection Based on the Output Duty Cycle
 Optimization of Conductor Structural Parameters
 Offset Error reduction in Hall Current Sensors
 Zero Offset Reduction in Hall Effect Sensors
 Error Correction of Automatic Testing Systems
 Design of Hall Effect Gear Tooth Speed Sensors
 Error Compensation of Hall Effect Current Sensors
 Parameter Optimization of Hall Gear Tooth Sensors
 Split Core Closed Loop Hall Current Sensors
 Mathematical Models of Gear Tooth Sensors
 Accuracy Improvement in Measuring & Test Systems
 Frequency-selective Adaptive Filtering
 Inductive eddy current sensors for stress measurement
 Fiber optic Bragg-grating sensors
 Capacitive Sensors for Displacement Measurement
 Self-calibration measuring methods
 Precise impedance measurement
 Measuring system of position transducers
 Self-correction algorithms
 Frequency selective-adaptive filtering
 Precise Fourier-analysis
 Parameter determination of damped oscillation signals
Competent Team
 Dr.-Ing. habil. Jigou Liu
 M.Sc. Jane Chen




Educations of Dr.-Ing. habil. Ji-Gou Liu
 



Bachelor Study
(1978-1982)
University of Shanghai for Science
and Technology

Faculty of Optics, Electronics and Information Engineering
Specialised fields:
Precision Instrumentation, Sensors, Measurement Technlogy, Signal Processing
 
Master Study
(1982-1985)
University of Shanghai for Science
and Technology

Faculty of Mechanical Engineering
M.Sc. degree at the Shanghai University
Specialised fields:
Machine Building, Measurement Technology, Precision Machinery, Sensors, Microprocessors, Error Modelling and Compensation of Machine Tools
 
Further Education
(1992-1993)
Dresden University of Technology
Institute of Precision Mechanics and Technology
Specialised fields:
Electrical Engineering, Product Recycling, Design for Recycling, Precision Mechanics and Technology
 
Doctoral Candidate
(1993-1996)
Dresden University of Technology
Institute of Fundamentals of Electrical Engineering & Electronics, Chair of Electronic Measurement
Specialised fields:
Electrical Engineering, Electronic Measurement, Digital Signal Processing, Modelling of analogue circuits, Design for Testability, Fault Diagnosis of analogue circuis and systems, Impedance Measurement, Parameter Estimation of analogue circuits
 
Post-doctoral Fellowship
(Habilitation)
(1997 –1999)
Dresden University of Technology
Institute of Fundamentals of Electrical Engineering & Electronics, Chair of Electronic Measurement
Specialised fields:
Self-calibration Measuring Methods, Self-diagnosis of measuring Systems, Self-corrected Algorithms, Digital Signal Processing, Electronic Measurement, Fault-tolerant Measurement Technology and measuring systems etc.
 
Doctoral Thesis: “Testability Analysis of Analogue Circuits and Systems - A Contribution to Measurement Technology of Electronic Systems”
 
Post-doctoral Thesis: “Self-calibration measuring methods and their applications to measurements of electrical quantities”


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