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Welcome! Dr. Qian Chen's Homepage Business Management, Strategic Planning, Marketing, Program
and Engineering Management, Process Improvement, Embedded System, Automotive Electrical Control Systems, Control Algorithm and Engineering |
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Manager,
Automotive Electrical System Ph.D. Mechanical Engineering PMP (Project Management Professional) Six Sigma/Lean Greenbelt Email: qianchen48309@yahoo.com |
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Professional Experience
·
Honeywell, Business Innovation Center
Manager –
Business and Engineering program management.
Successfully launched and managed new business
startup in China
Managed successful China automotive consulting
business, including a production vehicle verification and validation project
and a CVT (continuous variable transmission) project for major Chinese auto
companies.
Managed projects for major US auto companies
include:
o
Comprehensive
safety vehicle (active safety system),
o
Model-based
development for powertrain control system
o
AutoSAR,
ISO26262 and electrical vehicle control system safety.
Developed
a dozen due diligence analysis for company’s merge and acquisition activities.
·
General Motors, Powertrain Advanced Engineering
Project Lead - Led the advanced diesel engine control system
development.
- Led the project for a production vehicle and met the
challenges of better performance and very strict emission standards.
Coordinated the development works of a diverse team and covered the development
cycle from the algorithm development, implementation to dyno and vehicle
calibration and testing.
- With the advanced control technique, the diesel
engine system met federal emission standard without using NOx after-treatment
-
Created five patents in
Diesel Engine Control System applications
- Motorola Inc.,
Technical Sales Specialist
- Led the technology development and consulting projects
in the areas of model based electrical control systems development and
in-vehicle networks.
- Consulted major US automotive companies Ford, Chrysler and suppliers in electrical control systems and network design.
- Expert on vehicle architecture, OSEK, Embedded_System, In-vehicle networks (CAN, LIN, Flexray) and Model-based developement.
- Design and Analysis of Control System Lab, Amherst, MA. Research Assistant
Research Assistant
Control theory, control system design and
implementation
- Department of Mechanical Engineering, UMASS Amherst. Teaching Assistant
- Institute of System Engineering, Shanghai. Research Assistant
Education
- MBA (from 2003), University of Michigan, Ann Arbor
- Ph.D., Mechanical Engineering, University of Massachusetts, Amherst
- Ph.D. candidate, System Engineering, Shanghai Jiaotong University
- M.S., Control Theory and Application, East China Normal University
- B.S., Applied Mathematics ( Computer Science), East China Normal University
Honors and Activities
- Generated Six US Patents
- Member of IEEE, ASME and SAE
- Paper reviewer for IFAC Automatica Journal, IFAC World Congress 2002, American Control Conference 2000 and 2001
- Received Motorola Bravo Award in 2001
- Nominated for the student paper award for Conference of Decision and Control in 2000
- Excellent graduate of Shanghai China in 1992
Publications
- Qian Chen, Yibing Dong, Salim Momin, "Cycle-accurate LIN Network Modeling and Simulation," SAE World Congress 2002, Detroit, Michigan, 2002. [PDF FILE]
- C.V. Hollot, O. Beker, Y. Chait, Qian Chen, " On Establishing Classic Performance Measures for Reset Control Systems, " A chapter in Lecture Notes in Control and Information Sciences, no. 268, 2001, pp 123-148. [PDF FILE]
- Qian Chen, Y. Chait, C.V. Hollot, "Analysis of Reset Control Systems Consisting of a FORE and Second-Order Loop," ASME Journal of Dynamic Systems, Measurement, and Control, Vol.123, 2001, pp. 279-283. [PDF FILE]
- Y. Chait, Qian Chen, C.V. Hollot, "QFT Automatic Loopshaping via Linear Programming," ASME Journal of Dynamic Systems, Measurement, and Control, Vol.121, 1999, pp. 351-357. [PDF FILE]
- Qian Chen, C.V. Hollot, Y. Chait, "Stability and Asymptotic Performance Analysis of a Class of Reset Control Systems" Proceedings of Conference on Decision and Control, Dec. 2000, Also submitted to IEEE Trans. on Automatic Control. [PDF FILE]
- Qian Chen, Y. Chait, C.V. Hollot, "On the Convexity of QFT Bounds and its relation to Automatic Loopshaping," Proceedings of the American Control Conference, San Diego, California, June 1999, pp.1425-1426. [PDF FILE]
- Qian Chen, C.V. Hollot, Y. Chait, O. Beker, "On Reset Control Systems with Second Order Plant," Proceedings of American Control Conference 2000, Chicago, IL, 2000, pp 205-209. [PDF FILE]
- O. Beker, C.V. Hollot, Qian Chen, Y. Chait, "Stability of A Reset Control System Under Constant Inputs," Proceedings of the American Control Conference, San Diego, California, 1999, pp.3044-3045. [PDF FILE]
- Qian Chen, C.V. Hollot and Yossi Chait, "BIBO Stability of A Class of Reset Control Systems," Proceedings of Conference in Information Science and System, TP-08-13, Princeton, NJ, March, 2000.
- S. Z. Chen, Qian Chen, “The Right Null-space of a Rational Function Matrix and Decoupling,” Control Theory and Application (in Chinese), Vol. 15, No. 5, 1998, pp. 663-667.
- Qian Chen, Wang Huanchen, "Proper Definition of Criteria in AHP," Systems Engineering (in Chinese), Vol.14, No.5, Oct.1996.
Thesis
- Reset Control Systems: Stability, Performance and Application, Ph.D. dissertation, University of Massachusetts Amherst, 2000. [SUMMARY PDF]
- A New Approach to Morgan's Problem, M.S. thesis, East China Normal University, 1995.
Useful Links
- Design and Analysis of Control System Lab
- Digital DNA (Motorola Semiconductor Products)
- FlexRay Consortium
- Bosch CAN (Controller Area Network)
- LIN (Local Interconnect Network) Consortium
- Automotive Electrical Control System Consulting
Control
Theory and System design
(Design and Analysis of Control
System Lab)
Skill Set: Control system design, Digital
siglab processing, Matlab, Simulink, Control toolboxs, Dspace, Rapid
prototyping, Servo motor, Sensors.
High Precison Control of a Flexible Mechanical System with Reset Control Technique
- DSP algorithm optimization and
implementation for Engine Knock Control
Investigated and optimized different DSP algorithms for Engine knock control, such as FFT, FIR. Optimized the implementation of the algorithms in Motorola PowerPC. Achieved 40% reduction of execution cycle time.
- State-of-art Control Technique – Reset Control
[Introduction .ppt ]
Reset control is
an advanced nonlinear control technique that has a great prospect in the
application of high-performance control system. My research creatively solved
most difficult problems that hindered its application for several decades.
Designed and implemented a control system with the reset control technique for
the high-precision positioning of a flexible rotary mechanical system. This
design achieved much better system performance compared to LTI control design.
- Practical Linear Control Design Technique
– QFT
QFT stands for Quantitave Feedback Technique. It is a practical and straight-forward control design technique which is very powerful and convenient for the SISO (single input single out) linear feedback control system design. A computer-aided toolbox in Matlab is available to make this technique more convient for the user. However, one of the most difficult step remains in this design technique is the loop-shaping, which is especially difficult for novice design engineer. My research is on the development of automatic loop-shaping technique. We developed a practical approach for the QFT automatic loop-shaping based on the linear programming technique. Also applied QFT design technique in several practical control system design projects.
- Decoupling of Linear Multiple-input
Multiple-output (MIMO) System
The MIMO system control is always a difficult problem. Therefore, decoupling a linear MIMO system into multiple SISO systems is a very important technique for MIMO system control. My research is focused on the famous Morgan's problem which remains unsolved for several decades. A creative new approach is applied in the research of this problem and some novice results are obtained.
- Position Servo Control System Design and Implementation
[Project Summary .ppt ]
Designed and
implemented the control system for high-precision positioning of a flexible
rotary mechanical system. Reset control design technique and linear time
invariant (LTI) design technique are applied for the control system. The
project includes control loop design and hardware implementation, signal
measurment and processing, system identification, control algorithms
development and implementation, simulation, testing and hardware running.
Model-based Development
Skill Set: MATLAB Stateflow, Simulink, Realtime Workshop, Targetlink, Statemate.
- Model-based Development
Project
Worked as consultant to an OEM in the model-based development project. Helped developing the process for model development. Developed models for dozens of features and validated and revised the specifications for these features.
- General Scheduler for the Embedded
System
Developed a general scheduler in Matlab state-flow model for embedded system which is implemented successful in an OEM production module. Also developed a friendly user interface such that this scheduler can be easily reused for practically most simple embedded systems. Greatly reduced the development time. Automatically generated the ANSI C code. The compiled binary code size is 30% less than a comparable hand-written code. Also reduced the CPU load by 10% compared to former implementation with hand-written code. This project includes the complete life cycle of software development.
- Targetlink modeling for the
Thermal Management Module
Developed a thermal management model in Targetlink for the Electrical Power Transmission project. Simulated and tested the model. Automatically generated C code and achieved better performance than the requirement.
In-Vehicle Networks: FlexRay, CAN, LIN
Skill Set: CAN, LIN network modeling and simulation; CANoe; LIN Spector; Vector CAN drivers; LIN drivers; CAN, LIN signal database; Volcano Network Architect; OSEK network management; MSCAN, TouCAN controllers.
- Consultant to a major OEM for the CAN network design and implementation in a production car platform.
- Supported several major customers in automotive industry in CAN and LIN network design, analysis and simulation.
- CAN and LIN network modeling and simulation. Modeled the OSEK OS turbo and integrated the model in CAN network simulation model.
- CAN and LIN low level drivers profiling
Embedded System
Skill Set: C, Assembly, COSMIC simulator and debugger, OSEK OS, M68HC12, M68HS912, M68HC11, M68HC08, TMS320, winNT, UNIX, Make file.
- Developed and bench tested a
general embedded software scheduler, which was implemented in the FORD
global driver seat module. Reduced development time, code size and peak
CPU load compared to manual code.
- Implemented the thermal management
subsystem for a production automatic transmission module with Targetlink
models and automatically generated production code. Creatively solved a
difficult problem resulted from the conflict between algorithm requirement
and microprocessor precision limit.
- Profiled and debugged Vector CAN and Motorola LIN low level drivers for M68HC12 and M68HS912. Debugged a significant error in the CAN drivers due to the wrong setup of CAN registers in M68HS912.
- Integrated the OSEK OS software
with the CAN low level drivers and implemented a demo in M68HC12.
- Designed and developed a simulated elevator control system with M68HC11.
- Optimized the implementation of Engine Knock Control DSP algorithms in both C and Assembly(SIMD instructions) code and evaluated the code efficiency in Motorola PowerPC.