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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



Professional Experiences of Dr.-Ing. habil. Ji-Gou Liu
 


University Assistant
(1985-1987)
University of Shanghai for Science and Technology
Faculty of Mechanical Engineering, Chair of Machine Building
Specialised fields:
Measurement Technology, Position Sensors, Computer Software and Applications.
 
University Lecturer
(1987-1991)
University of Shanghai for Science
and Technology

Faculty of Mechanical Engineering, Chair of Machine Building
Specialised fields:
Measurement Technology, Position Sensors, Microprocessors and Applications, Precision Measuring Instruments
 
Researcher and Developer
(1994-1999)
Fraunhofer-Institute of Ceramic Technology and Sinter Materials IKTS
Department of Functional Ceramic Materials
Specialised fields:
Model-based Impedance Measurement, Self-calibration Impedance Measurement of ceramic materials under high field intensities. Characterisation of the linear and non-linear properties of piezoceramics and ferroelectrical ceramics under high field intensities, development of measuring software and systems
 
Research Fellowship
(1999-2000)
University of Kassel
Department of Electrical Engineering, Chair of Measurement Technology
Specialised fields:
Eddy Current Sensors, Bridge Monitoring, Force, Strain and Stress Measurement, Signal Processing
 
Research Fellowship
(2000 –2001)
German Research Centre of Earth Science in Potsdam
Labor of Fiber Optic Bragg Grating Sensors
Specialised fields:
Optical Fibre Bragg Grating Sensors, Bridge and Building Monitoring, Force, Strain and Stress Measurements, Signal Processing, Adaptive Filtering, Computer Controlled Measuring Systems
 
Researcher & Developer
(2001 –2004)
ASM GmbH Germany Specialised fields:
Sensors, measuring system, signal processing, computer controlled measuring systems
 
Guest Professor
(Since 2002)
University of Shanghai for Science and Technology Specialised fields:
Sensors, Measurement Technology, Magnetics
 
General Manager
(Since 2005)
ChenYang Technologies GmbH & Co. KG Specialised fields::
  • Magnetics, Permanent magnets, Electromagnets and Applications
  • Current Sensors, rotational speed sensors, position sensors, angle sensors and elektric Sensors
  • Electric and Magnetic Measurement Technology and Signal Processing etc.


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