postdoctoral or research assistant position of microsensors and microactuators
Skills
design of accelerometers, dynamic simulation, coupling of multienergy domains, nonliear bistable micostructures, permanent magnetic structures
Qualifications
Research Interest
microsensors and microactuators, threshold accelerometers, optical switches, permanent magnetic actuator, solid mechanics, nonlinear analysis of microstructures, dynamic design method, and finite element analysis
Education Background
2006.4-present Ph.D., Mechanical Engineering, expected May 2008 Xidian University, Xi'an, China 2003.8-2006.3 M.S., Mechatronics Engineering Xidian University, Xi'an, China 1999.9-2003.7 B.S., Mechanical Engineering Guilin University of Electronic Technology, Guilin, China
Academic Honors
2006-2007 Applied materials fund graduate scholarship— Applied Materials Scholarship Excellent Graduate Leader Excellent Graduate pace-setter with highest Scholarship 2005-2006 Excellent Graduate of Xidian University 2004-2005 Excellent Graduate Leader Excellent Graduate Pace-setter with the highest Scholarship 2003-2004 Excellent Graduate of Xidian University with the second-class scholarship 2002-2003 Excellent Student from Guilin University of Electronic Technology 2001-2002 Excellent Student from Guilin University of Electronic Technology with the first-class Academic Scholarship 2000-2001 First-class Academic Scholarship from Guilin University of Electronic Technology 1999-2000 First-class Academic Scholarship from Guilin University of Electronic Technology
Research Experience With strong academic research ability and rich projects experience of working on the projects supported by the NSF and Ministry of Education.
2003-2007 Research assistant: Key Lab of Electronic Equipments Structure Design Supported by Ministry of Education Supervisor: Prof. Jianyuan Jia
Projects involved:
Design and fabrication of several kinds of inertial microsensors(threshold accelerometers); Design and fabrication of a mini-testing platform for centrifugal experiments; Analysis of the nonlinear mechanics of post buckling structures and bistable microstructures; Design of a test-bed for post-buckling structures and prestressed structures; Analysis of the pull-in phenomena of the permanent magnetic structures and electrostatically driven structures; Thermal deformation of structures; Analytical model of electrically actuated scanning probe in electrostatic force microscopy; Computation of electrostatic forces with edge effects for microstructures; Analysis of the nonlinear gas film damping characteristic of microdevices; Dynamic design method and finite element methods; Design and simulation software: ANSYS, AutoCAD, Solidworks 3D, Visual B, C++, Dreamveaver, Matlab, Ansoft, IDEAS
Dynamic Study of Micromechanical Threshold Acceleration Switch The National Natural Science Foundation of China. In charge of the design and dynamic simulation of microsensors, microactuators, and threshold accelerometers, fabrication of the post buckling inertial microswitches and permanent magnetic actuated inertial switches, and the nonlinear analysis of bistable microstructures, bistable permanent magnetic structures, and electrostatically driven devices. Analysis of nonlinear structures with large deflection by using the FEA methods.
Mini Active Thermal Control Study of the Peripheral Computer or Devices Project supported by the Special Program for Key Basic Research of the Ministry of Education ,China. In charge of the design of the heat transfer device by utilizing the micro channels. Analysis of the heat exchanging system based on the thermoelectric control.
Three-dimension Active Control Study of Magnetic Storage Devices Pulse Vibration Project supported by the Special Program for Key Basic Research of the Ministry of Education ,China. In charge of the analysis of the electromechanical dynamic model of the active vibration system. And analysis the electrostatic field of typical structures such as parallel plates, inclined plates and microprobes.
Optical-mechanical Integration Study of the In-car Optical Platform Hi-Tech Research and Development Program of China(863 Plan project Grant No. B50204005) In charge of the analysis and design of the two-stage displacement amplifier used in the fast steering mirror with large rotation and aperture.
Teaching Experience
July 2007 Xi'an Hi-Tech University member of mentors group Directed Undergraduates to finish their thesis work
March 2004-2007 Xidian University Directed Undergraduates to finish their thesis work in high quality
Other Experience
August 2006
Co-chair of the MEMS and Devices Session, 2006 IEEE/ASME International Conference on Mechatronics and Embedded Systems and Applications, Beijing, China.
Related graduate level courses Foundation Courses Higher Mathematics, Engineering Mechanics, Mechanics of Elastic Structures, Theory Of Mechanics, Machine Design, Analog /Digital Electronic Technique, Hydraulics & Pneumatics, Testing Technology, Fundamentals of Control Engineering, Data Structure and Technology of Metals Practice Courses Microfabricated Silicon Electromechanical System (MEMS), SMT Theory, Semiconductor Processing, MEMS & Microsystems: Design and Manufacture, Optimization Methods, Numerical Analysis and Mathematical Methods in Engineering
Publications 1. Jian Zhao, Jianyuan Jia, Hongxi Wang. A Novel Threshold Accelerometer with Post-buckling Structures for Airbag Restraint Systems. IEEE Sensors Journal, 2007, 7(8). 2. Jian Zhao, Jianyuan Jia, Hongxi Wang. Post-buckling and Snap-through Behavior of Inclined Slender Beams. Journal of Applied Mechanics, Transaction of the ASME. 2008, Vol 175. (In press) 3. Jian Zhao, Jianyuan Jia, Hongxi Wang. A bistable inertial switch with threshold adjusting and auto-locking functions. Acta Aeronautica et Astronautica Sinica. (Accepted for publication). 4. Jian Zhao, Jianyuan Jia, Hongxi Wang. Design and analysis of inertial micro switch systems with post-buckling beams. Journal of Xi'an Jiao Tong University (in Chinese )41(3),358-363. 5. Jian Zhao, Jianyuan Jia, Hongxi Wang. Nonlinear Dynamic Characteristics Analysis of A MEMS Inertial Sensing Device. Journal of Nanotechnology and Precision Engineering. Vol.4, No.4, 2006. 6. Jian Zhao, Jianyuan Jia, Hongxi Wang. Nonlinear snap-through characteristic of a compressed bi-stable buckled beam. Journal of Xidian University (in Chinese). 34(3), 458-463, 2007. 7. Jian Zhao, Hongxi Wang, Jianyuan Jia. Computation of electrostatic forces with edge effects for micro-structures. Micronanoelectronic Technology (in Chinese). 43(2), 2006. 8. Jian Zhao, Jianyuan Jia, et.al. A force and displacement amplifier with V shaped buckled bema. (Submitted to Sensors and Actuators A). 9. Jian Zhao, Jianyuan Jia, Hongxi Wang, et.al. Bifurcation of the snap-through process of the V-shaped beam. (Submitted to the International Journal of the Nonlinear Mechanics) 10. Jian Zhao, Jianyuan Jia, Hongxi Wang. A novel bistable acceleration switch with PM structures. (Submitted to Sensors and Actuators A) 11. Hongxi Wang, Jian Zhao and Jianyuan Jia. An Analytical Model for Electrically Actuated Scanning Probe in Electrostatic Force Microscopy, Materials Science Forum. Vols.532-533, 161-164. 12. Hongxi Wang, Jian Zhao, Jianyuan Jia. Design and Experiments of a Permanent Magnetic Inertial Miniature Switch. The 3rd Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2008). 13. Hongxi Wang, Guangyan Chen, Jian Zhao. Deflection of Circular Membrane Actuated Electrostatically in Micropump. Nanotechnology and Precision Engineering (in Chinese).5(1), 65-66, 2007. 14. Hongxi Wang, Jianyuan Jia, Jian Zhao. Electrostatic Force Acting on the Tip of a Scanning Probe. Chinese Journal of Computational Physics. Vol.23, No.3, 2006, 371-374. 15. Hongxi Wang, Jianyuan Jia, Jian Zhao. Analytical Method of Electrostatic Force Acting on the Scanning Tip. Mechanical Science and Technology .24(12), 1404-1406, 2005.