Kuei-Yu Lee and Paul C.-P. Chao*, 2011, “A New AMOLED Pixel Circuit with Pulsed Drive and Reverse Bias to Alleviate OLED Degradation Energy Harvesting Electronics for Vibratory Devices in Self-Powered Sensors,” IEEE Transaction on Electron Device, recommended for publication. (Impact Factor = 2.719, NSC 99-2911-I-010-101)

Lun-De Liao, Paul C.-P. Chao*, Jian-Ting Chen, Wei-Dar Chen, Wei-Hsuan Hsu, Chi-Wei Chiu, and Chin-Teng Li, 2009, “A Miniaturized Electromagnetic Generator with Planar Coils and Its Energy Harvest Circuit,” IEEE Transactions on Magnetics, Vol. 45, No. 10, pp. 4621-4627, an honored invited paper. (SCI Journal, Impact Factor =1.014, NSC97-2221-E-009-057-MY3 and NSC97-2220-E-009-029).

Paul C.P. Chao and Chi-Wei Chiu, 2006, “The development of an on-line precision inspection machine for assuring the dynamic quality of the pick-ups used in optical disc drives,” National Conference on Non-destructive Inspection, 2006, Taoyuan, Taiwan, R. O. C.

 Yi-Ling Yang, Paul C.-P. Chao and Cheng-Kuo Sung, 2007, “Landing Posture Control of a Generalized Twin-body System via Methods of Input-output Linearization and Computed Torque,” Automation 2007 held on June 13-14, 2007 in Taipei, Taiwan.

Yi-Ling Yang, Paul C.-P. Chao, Cheng-Kuo Sung, “Landing Posture Control of a Generalized Twin-body System with a three-DOF joint,” The 33rd Annual Conference of the IEEE Industrial Electronics Society, Nov. 5-8, 2007, Taipei, Taiwan. (EI Publication)

Paul C.-P. Chao* J.-Y. Shen and J.-S. Huang, 2008, “Deign and Experimental Verification of a Controller with Auto-Tuned Parameters for Precision Positioning of a Three-axis Optical Pickup,” Microsystem Technologies, submitted for review. (SCI Journal, Impact Factor =0.720, 95-2745-E-033-004-URD.)

Paul C.-P. Chao*, Yaw-Der Huang and Cheng-Kuo Sung, Nov, 2003, “Non-planar Dynamic Modeling and Analysis of an Automatic Balancer System Equipped with Multiple Balancing Balls,” Mechanism and Machine Theory, Vol 38, No. 11, pp. 1289-1305. (SCI Journal, Impact Factor =0.459, NSC89-2218- E033-024)

Paul C.-P. Chao*, Cheng-Liang Lai, and Jeng-Sheng Huang, 2004, “Intelligent Actuation Strategy for a Three-DOF Four-wire Type Optical Pickup,” Sensors and Actuators: A. Physical, Vol. 117, No. 1, pp. 28- 40. (SCI Journal, Impact Factor =1.462, NSC 91-2212-E033-004)

Paul C.-P. Chao*, Cheng-Kuo Sung and Hui-Chung Leu, 2005, “Effects of Rolling Friction of the Balancing Balls on the Automatic Ball Balancer for Optical Disk Drives,” ASME Journal of Tribology, Vol. 127, pp. 845-856. (SCI Journal, Impact Factor =0.682, NSC 92-2212-E033-01)

Paul C.-P. Chao*, Chun-Chieh Wang, and Cheng-Kuo Sung, 2005, “Dynamic Analysis of the Optical Disk Drives Equipped with an Automatic Ball Balancer with Consideration of Torsional Motion,” ASME Journal of Applied Mechanics, Vol. 72, pp. 826-842. (SCI Journal, Impact Factor =0.752, NSC 91-2212-E033-004)

Paul C.-P. Chao*, Chun-Lung Huang, Cheng-Kuo Sung and Jeng-Sheng Haung, 2005, “Precision Re-positioning of the balancing ball in an auto-balancer system via a fuzzy speed regulator equipped with a sliding-mode observer,” IEEE Transactions on Control Systems Technology, Vol. 13, No. 6, pp. 1107-1118. (SCI Journal, Impact Factor =1.027, NSC 91-2212-E033-004)

Paul C.-P. Chao*, Chi-Wei Chiu and C. Y. Tsai, 2006, “A Novel Method to Predict the Pull-in Voltage in a Closed Form for Deformed Micro-plates Actuated by a Distributed Electrostatic Force,” Journal of Micromechanics and Micro-engineering, Vol. 16, pp. 986-998. (SCI Journal, Impact Factor =2.321, Ranking 6/109, Mechanics, NSC94-2212-E-033-010)

Chi-Wei Chiu* and Paul C.-P. Chao, 2006, “Development of a Precision Inspection Machine for Assuring the Dynamic Quality of the Pick-ups Used in Optical Disc Drives,” Journal of Chinese Society of Mechanical Engineering, Series C, Vol. 27, No. 5, pp. 581- 586. (EI Journal, NSC 95-2622-E-009-014-CC3)

 Paul C.-P. Chao* and Sung-Ching Wu, 2007, “Optimal Design of Magnetic Zooming Mechanism Used in Cameras of Mobile Phones via Genetic Algorithm,” IEEE Transactions on Magnetics, Vol. 43, No. 6, pp. 2579-2581. (SCI Journal, Impact Factor =1.014, NSC 95-2745-E-033-004-URD)

Paul C.-P. Chao* and Chien-Yu Shen, 2007, “Dynamic Modeling and Experimental Verification of a Piezoelectric Part Feeder in a Structure with Parallel Bimorph Beams,” Ultrasonics, Vol. 46, pp. 205-218. (SCI Journal, Impact Factor =1.322, NSC 95-2221-E-009-367)

Paul C.-P. Chao, J.-W. Hsueh, Y.-Y. Kao, C.-W. Chiu, Y.-C. Lin and T.-Y. Du, 2008, “Optomechatronic Design and Implementation of a Tunable LC Lens,” Invited Paper for Journal of Automation, Special Issue on Optomachatronics, Mar, 2008, pp. 24-30. (Local Chinese Journal)

Paul C.-P. Chao*, Chi-Wei Chiu, He-Kai Liang and Y.-Y. Kao, 2008, “Intelligent Actuation Strategy via Image Feedbacks for a Magnetically Actuated Autofocusing Module in Mobile Phones,” Journal of Applied Physics, Vol. 103, No. 7, 07F123-1-3. (SCI Journal, Impact Factor =2.316, 14/84, Physics, Applied)

Y. Y. Kao, C. W. Chiu, and Paul P. C. Chao, 2010, “A DFLC Lens with Ring-and-Pie Electrodes and a New Driving Scheme to Minimize Response Time,” Proceedings of The fifth Asia-Pacific Conference on Transducers and Micro-Nano Technology, in Perth, Australia, July 6 – 9, 2010.

Chi-Wei Chiu, Yu-Han Chen, Tzu-Fan Huang, Paul C.-P. Chao, 2010, “Robust and Optimal Design of a Novel Optical Image Stabilizer with the Capability of Suppressing Magnetic Torque Variations,” The 11th joint MMM-Intermag Conference, Jan 18-22, 2010, Washington DC, USA. (EI Publication)

Lun-De Liao, Wei-Huesh Hsu, Paul C.-P. Chao and Yan-Pean Huang, 2009, “Development of an On-line Digital Optical Bench Tester with Conoscopy for Lens Quality Evaluation,” 2009 JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment, June 17-20, 2009, Tsukuba International Congress Center, Ibaraki, Japan. (EI Publication)

Yi-Ling Yang, Paul C.-P. Chao, C.-K. Sung, 2009, “Landing Posture Control via Trajectory Planning for a Generalized Twin-body System,” The 4th International Conference on Autonomous Robots and Agent, in Wellington, New Zealand, Feb 10 – 12., 2009. (EI Publication)

Paul C.-P. Chao*, Lun-De Liao, Ming-Hsun Chung and Jeng-Sheng Hunag, 2008, “Robus Dual-stage and Repetitive Control Designs for an Optical Pickup with Parallel Cantilever Beams Powered by Piezo-Actuators,” The 17th Annual ASME Conference on Information Storage and Processing Systems, held on June 16-17, 2008 at the Santa Clara University in California. (EI Publication)

Paul C.-P. Chao J.-Y. Shen and J.-S. Huang, 2008, “Precision Positioning of a Three-axis Optical Pickup via a Double Phase-Lead Compensator Equipped with Auto-tuned Parameters,” The 17th Annual ASME Conference on Information Storage and Processing Systems, held on June 16-17, 2007 at the Santa Clara University in California. (EI Publication)

Yu-Zheng Lin, Chi-Wei Chiu and Paul C.-P. Chao, “Tunable Focus Length Liquid Crystal Lens with Multi-ring Type Electrode Pattern,” OPT2007, Taipei, Taiwan.

Paul C.- P. Chao, C.- W. Chiu, Tsu-Hsien Liu, “Pull-in Predictions for a Electrostatically Actuated Micro-Beam Based on a Continuous Model and Bifurcation Analysis,” The 31st National Conference on Theoretical and Applied Mechanics, December 21-22, 2007, ISU, Kaohsiung, Taiwan, R.O.C.

Chi-Wei Chiu, Paul C.-P. Chao and Fu-Kuan Young, 2007 “Optimal Design and Experimental Verification of Magnetic Actuated Optical Image Stabilization System for Camera Phone,” The 10th Joint MMM/Intermag Conference to be held in Tempa, Florida on November 5-9, 2007. (EI Publication)

Paul C.-P. Chao, Chi-Wei Chiu and He-Kai Liang, 2007, “Design and Actuation Strategy of a Magnetically-Actuated Auto-Focusing Module for Mobile Phones,” The 52th Magnetism and Magnetic Materials conference to be held in Tempa, Florida on November 5-9, 2007. (EI Publication)

C.-Y. Shen, C.-W. Chiu, C.-P. Chao, J.-S. Huang, H.-W. Lin, “Novel Lens Design for Ultra-Thin, High Efficiency of Light Utilization, Direct Type RGB LED Backlight Module,” The 14h International Display Workshops, December 5-7, 2007, Sapporo Convention Center, Sapporo, Japan.

Paul C.-P. Chao, Rong-Jhe Chen, Lun-De Liao, Chi-Wei Chiu, “A Novel Design of Micro-Lens Array on Liquid Crystal Displays for the Backlight Efficiency Enhancement,” The 14h International Display Workshops, December 5-7, 2007, Sapporo Convention Center, Sapporo, Japan.

 Lun-De. Liao, Paul C.-P. Chao and Chi-Wei. Chiu, “Optimal Design of the Photonic Crystal Fiber by means of the Genetic Algorithm and Three-Dimensional Finite-Difference Time-Domain Methods ,” The 14h International Display Workshops, December 5-7, 2007, Sapporo Convention Center, Sapporo, Japan.

Yi-Ling Yang, Paul C.-P. Chao, Cheng-Kuo Sung, “Landing Posture Control of a Generalized Twin-body System via Methods of Input-output Linearization and Computed Torque,” ASME 2007 International Design Engineering Technical Conference, Sep. 4-7, 2007, Las Vegas, Nevada, USA. (EI Publication)

Cheng-Kuo Sung and Paul C.-P. Chao,, “Impulsive responses of a hula hoop,” The Fourteenth International Congress on Sound and Vibration (ICSV14), July 9-12, 2007, Cairns, Australia.

C. C. Wang, C. K. Sung and Paul C.-P. Chao, “Dynamic Analysis on a Hula Hoop Functioning as a Motion Transformer,” 12th IFToMM World Congress, Besançon (France), June18-21, 2007. (EI Publication)

Paul C.-P. Chao*, Lun-De Liao, Ming-Hsun Chung and Jeng-Sheng Hunag, 2007, “Precision Positioning and Experimental Verification of a Parallel Piezo-Beam Lens Holder for Fine Track-Following in a Dual-Stage Actuator for Data Storage Devices,” The 17th Annual ASME Conference on Information Storage and Processing Systems, held on June 18-19, 2007 at the Santa Clara University in California. (EI Publication)

Paul C.-P. Chao J.-Y. Shen and J.-S. Huang, 2007, “Deign and Experimental Verification of a Controller with Auto-Tuned Parameters for Precision Positioning of a Three-axis Optical Pickup,” The 17th Annual ASME Conference on Information Storage and Processing Systems, held on June 18-19, 2007 at the Santa Clara University in California. (EI Publication)

 C.-W. Chiu, Paul C.-P. Chao and J.-Y. Shen, 2007, “Deign and Construction of an In-situ Inspection Machine for Ensuring the Dynamic Performance of Fluid Bearings in Data Storage Devices,” The 17th Annual ASME Conference on Information Storage and Processing Systems, held on June 18-19, 2007 at the Santa Clara University in California. (EI Publication)

Paul C.-P. Chao, Lun-De Liao, Chi-Wei Chiu, 2007, “Electromagnetic Numerical Characterization of the Liquid Crystal Lens Using Finite-Difference Time Domain Method,” Asian Pacific Conference on Optics Manufacture, January, 2007, Hong Kong, China.

Chi-Wei Chiu, Paul C.-P. Chao, and Din-Yuan Wu, 2007, “Optimal Design of Magnetic Actuated Optical Image Stabilization Mechanism for Cameras in Mobile Phones via Genetic Algorithm,” The 10th Joint MMM/Intermag Conference to be held in Baltimore, Maryland on January 7-11, 2007. (EI Publication)

Paul C.-P. Chao and Yuan Hsu-Pang, 2007, “Magneto-Electro-Dynamical Modeling and Design of a Micro-Speaker Used for Mobile Phones with Considerations of Diaphragm Corrugation and Air Closures,” The 10th Joint MMM/Intermag Conference, Baltimore, Maryland on January 7-11, 2007. (EI Publication)

Paul C.P. Chao and Sung-Ching Wu, 2007, “Optimal Design of Magnetic Zooming Mechanism Used in Cameras of Mobile Phones via Genetic Algorithm,” The 10th Joint MMM/Intermag Conference in Baltimore, Maryland on January 7-11, 2007. (EI Publication)

Chi-Wei Chiu and Paul C.-P. Chao, 2006, “A Novel Method to Predict the Pull-in Voltage in a Closed Form for Deformed Micro-plates Actuated by a Distributed Electrostatic Force,” The 30-th National Conference on Theoretical and Applied Mechanics, Dec., 2006, pp. 2136-2143, December 15-16, 2006, DYU, Changhwa, Taiwan, R.O.C.

Paul C.P. Chao and Chi-Wei Chiu, “A novel precision inspection machine for assuring the dynamic quality of the pick-ups used in optical disc drives,” International Symposium on Precision Mechanical Measurements (ISPMM), 2006, SPIE Proceedings. (EI Publication)

 Paul C.P. Chao and Chi-Wei Chiu, “Development of a precision inspection machine for assuring the dynamic quality of the pick-ups used in optical disc drives,” the 2006 ASME/JSME Joint Conference on Micromechatronics for Information and Precision Equipment (MIPE 2006) to be held on June 21-23, 2006, at the Santa Clara University in California. (EI Publication)

Paul C. P. Chao and I.-T. Wang, “Modeling and Experimental Validation of a Micro-speaker with Corrugated Diaphragm for Mobile Phones,” the 2006 ASME/JSME Joint Conference on Micromechatronics for Information and Precision Equipment (MIPE 2006) held on June 21-23, 2006, at the Santa Clara University in California. (EI Publication)

Lun-De Liao, Paul C.-P. Chao and Chi-Wei Chiu, 2006, “Design of a Novel LED Lens Cap and Optimization of LED Placement in a Large Area Direct Backlight for LCD-TVs,” in porc. of Taiwan Optics Conference, 9-10, Dec, 2006, Tainan, Taiwan.

Paul C.-P. Chao, Lun-De Liao and Chi-Wei Chiu, 2006, “Design of a Novel LED Lens Cap and Optimization of LED Placement in a Large Area Direct Backlight for LCD-TVs,” in porc. of SPIE Europe conference Photonics in Multimedia, 3-7, April, 2006, Strasbourg, France, Proc. of SPIE, v 6196, Photonics in Multimedia, 2006, pp. 61960N. (EI Publication)

 Paul C.-P. Chao* and Chi-Wei Chiu, “ Paul C.-P. Chao* and Pen-Yen Liao, “Experiment validation of an observer-based ball re-positioning scheme for an auto-balancer system of DVD-ROMs,” in proc. of The 25th IASTED international conference on modeling, identification and control, Feb, 2006, Spain. (EI Publication)

 Jeng-Sheng Huang and Paul C.-P. Chao, Chi-Wei Chiu and J. Y. Wu-Chi, “Dynamic Formulation and Experimental Verification of a Piezo-Feeder,” The 29-th National Conference on Theoretical and Applied Mechanics, pp. M029-1-8, Dec., 2005, Hsinchu, Taiwan.

Paul C.-P. Chao*, Ben-Cheng Yo and Cheng-Kuo Sung, “ Nonlinear Dynamic Effects of Damping Washers on the Performance of Automatic Ball Balancers in Optical Disc Drives,” in proc. of El-Naschie Symposium on Nonlinear Dynamics, December 20-21, 2005, Shanghai, China.

Paul C.-P. Chao* and Pen-Yen Liao, “A Novel Microscopic Modeling on Hysteresis Effects of Piezoelectric Structures with Assistance from Finite Elements,” in proc. of El-Naschie Symposium on Nonlinear Dynamics, December 20-21, 2005, Shanghai, China.

Paul C.-P. Chao and Chi-Wei Chiu, “Nonlinear dynamic analysis on the MEMS microphones,” in proc. of 2005 ASME International Mechanical Engineering Congress and Exposition, Nov.., 2005, Orlando, FL, USA. (EI Publication)

Paul C.-P. Chao, Jeng-Sheng Huang, Chi-Wei Chiu and J. Y. Wu-Chi, “Dynamic Modeling and Experimental Verification of a parallel-beam piezo-feeder,” in proc. of ASME 2005 International Design Engineering Technical Conference, 20th Biennial conference on Mechanical Vibration and Noise, Sept., 2005, Long Beach, CA, USA. (EI Publication)

 Paul C.-P. Chao, Jeng-Sheng Huang, Chi-Wei Chiu and Chien-Yu Shen, “Design and experimental study of an observer-based controller for three-DOF four-wire-type optical pickup,” in proc. of American Control Conference, 2005, Portland, Oregon, USA. (EI Publication)

Paul C.-P. Chao, Jeng-Sheng Huang, Chi-Wei Chiu and Chien-Yu Shen, “Design and experimental study of an observer-based controller for three-DOF four-wire-type optical pickup,” CSME 21-th National Conference of Mechanical Engineering, Dec., 2004, pp. 1353-1359, Taipei, Taiwan.

Ben-Cheng Yo, Cheng-Kuo Sung, and Paul C. P. Chao, “The effects of nonlinear suspension on the dynamic performance of the automatic ball balancer,” The 7-th National Conference on Mechanism and Machine Theory, Nov., 2004, pp. 1-6, Tainan, Taiwan.

Paul C.-P. Chao, Jeng-Sheng Huang and Po-Wen Liu, “Calculating Rotordynamic Coefficients of a Ferrofluid-Lubricated and Herringbone-Grooved Journal Bearing via Finite Difference Analysis.” ASME/STLE International Joint Tribology Conference, Oct. 2004, California, U. S. A., TRIB2004-64282. (EI Publication)

Paul C.-P. Chao, Cheng-Kuo Sung, Hui-Chung Leu, and Chi-Wei Chiu, “The Dynamic Effect of Rolling Resistance of the Balancing Ball on the Performance of Automatic Ball Balancer,” Eleventh International Congress on Sound and Vibration (ICSV11), July, 2004, St. Pertersburg, Russia, pp.2711-2718.

Paul C.-P. Chao, Cheng-Kuo Sung, Hui-Chung Leu, and Chi-Wei Chiu, “The Dynamic Effect of Rolling Resistance of the Balancing Ball on the Performance of Automatic Ball Balancer,” Eleventh International Congress on Sound and Vibration (ICSV11), July, 2004, St. Pertersburg, Russia, pp.2711-2718.

Ben-Cheng Yo, Cheng-Kuo Sung, and Paul C. P. Chao, “The effects of nonlinear suspension on the dynamic performance of the automatic ball balancer,” The 7-th National Conference on Mechanism and Machine Theory, Nov., 2004, pp. 1-6, Tainan, Taiwan.

Paul C. P. Chao, J. S. Huang and H. C. Tseng, “Dynamic Finite Element Analysis of a Piezoeletric Bimorph Beam Deflector with Consideration of Hysteresis Effect,” CSME 20-th National Conference of Mechanical Engineering, Dec., 2003, Taipei, Taiwan.

Paul C. P. Chao, J. S. Huang and H. C. Tseng, “Dynamic Finite Element Analysis of a Piezoeletric Bimorph Beam Deflector with Consideration of Hysteresis Effect,” ASME 2003 International Design Engineering Technical Conference, 19th Biennial conference on Mechanical Vibration and Noise, Sept., 2003, DETC2003/VIB48528, Chicago, USA. (EI Publication)

Chun-Chieh Wang, Cheng-Kuo Sung, and Paul C. P. Chao, “Dynamic analysis of the optical disk derive system equipped with an automatic ball balancer with consideration of torsional motion,” ASME 2003 International Design Engineering Technical Conference, 19th Biennial conference on Mechanical Vibration and Noise, Sept., 2003, DETC2003/VIB48407, Chicago, USA. (EI Publication)

Chun-Chieh Wang, Cheng-Kuo Sung, and Paul C. P. Chao, “Dynamic analysis of the optical disk derive system equipped with an automatic ball balancer with consideration of torsional motion,” ASME 2003 International Design Engineering Technical Conference, 19th Biennial conference on Mechanical Vibration and Noise, Sept., 2003, DETC2003/VIB48407, Chicago, USA. (EI Publication)

2. Y. Kang and Chang-Po Chao, “An Integration Method for Response Observation of Nonlinear Mechanical Systems Subjected to Double Excitations,” in the book of Applicable Mathematics: Its Perspectives and Challenges, Editor J. C. Misra, Narosa Publishing House, 2001, pp. 163-170.

Steven W. Shaw and Chang-Po Chao, March, 20, 1996, “Estimation of the Required Absorber Inertia for Use on I3 Diesel Engine,” submitted to Ford Motor Company in Dearborn.