• Professor, Institute of Applied Mechanics, Nationl Taiwan University, 1992-present
• Associate professor, Institute of Applied Mechanics, Nationl Taiwan University, 1984-1992
• jointed the faculty of National Taiwan University in 1984
• Manufacturing engineer, Chung-Shan Institute of Science and Technology, 1978-1980

• 彈性力學
• 量子力學
• 動力學
• 非線性系統與控制

• 動力與控制
• 微機電感測元件
• 奈米力學與電子

• C. O. Chang and C.S. Chou, (2005), Vibration of Resonant Gyroscopes- Application to the Gyros of Macro and Micro Sizes. IUTAM Symposium on Vibration Control of Nonlinear Mechanisms and Structures, Eds. H. Ulbrich and W. Gunthner, Solid Mechanics and its Applicatios Volume 130,131-140 (Invited), Springer.

 Journal Papers

• Bulletin of College of Engineering, N.T.U, Vol. 91, June 2004, pp. 121-129.
• C. C. Chang, J. Y. Chi, R. L. Cheng, C. H. Lin, C. O. Chang, “Effect of the inclusion of small metallic components in a two-dimensional dielectric photonic crystal with large full band gap” Physical Review B 70, 2004, 075108.
• W.T. Chang Chien, C.O. Chang, Y.C. Lo, Z.W. Li and C.S. Chou, (2005), On the Miller-indices determination of Si{100} convex corner undercut planes, J. Micromech. Microeng. 15(2005) 833-842. (SCI)
• P. C. Chen, C. O. Chang, W. T. Chang-Chien, and C. S. Chou, “Explicit Equations of Motion for Dynamical Systems with Multiple Constraints,” Japanese Journal of Applied Physics, Vol. 45, No. 6A, 2006, 528-5292.

  Conference Papers

• C. O. Chang, 「Nonholonomic Dynamics」 The Sixth International Conference on Motion and Vibration Control, Saitama, Japan, August 18 –22 , 2002.
• 張家歐, 張簡文添, 黃信裕, “連續曲面蝕刻裡論” 2002, 第26 屆全國力學會議, 雲林虎尾.
• 張家歐, 張簡文添, 羅一中, “三維蝕刻理論” 2002, 第26 屆全國力學會議, 雲林虎尾.
• C. O. Chang, “A new Method for the Nonlinear Rigid-Body Attitude Control,” Proceeding of the Cross-Strait Workshop on Dynamics, Control, and Variational Principles in Mechanics, Oct. 30-31, 2003.
• 張簡文添,張家歐,羅一中, 李梓偉, “決定{100}矽晶圓之外凸角偶底切面的新模型”中華民國第二十七屆全國力學會議, 台南, 2003.
• 張家歐,張簡文添,蕭運聯,羅淵,”單晶二維連續曲面蝕刻理論與實驗”第二十屆中國機械工程研討會論文集,97-104, 台北, 2003.
• 張簡文添,張家歐,羅一中,羅淵,”決定二維單晶角偶濕蝕刻後幾何形狀的臨界蝕刻速率” 中華民國第二十七屆全國力學會議, 台南, 2003.
• C. O. Chang and C. S. Chou, “Three-dimensional vibration of a rotating ring excited by electric field,” 11th International congress on sound and vibration, St. Petersburg, Russia, 5-8 July, 2004, 167-196.
• 張家歐,張簡文添,羅一中, “使用臨界蝕刻速率決定二維單晶角偶濕蝕刻後幾何形狀”中國機械工程學會第二十一屆全國學術研討會, 高雄市,國立中山大學,中華民國93年11月26, 27日. 論文編號:E0100448.
• 周傳心, 張家歐, 張簡文添, 吳裕隆, “微型矽材之諧振式陀螺儀調質薄膜製程設計與製作”, 中國機械工程學會第二十一屆全國學術研討會,高雄市,國立中山大學,中華民國93年11月26, 27日. 論文編號E0100449..
• C.O. Chang and C.S. Chou,(2005), Three-dimensional vibration of a rotating ring excited by Electrostatic field, ICSV12 12th International Congress on Sound and Vibration, FPO204, 11-14th 2005 Lisbon, Portugal.
• C.S. Chou, C. O. Chang and F. H. Shieh, (2005), Vibration analysis of a hemispherical piezoceramic shell, The 34rd International Congress and Exposition on Noise Control Engineering, Proceedings of inter-noise 2005, Rio de Janeiro, Brazil, August 07-10.
• C. S. Chou, F. H. Shieh, and C. O. Chang, “Vibration Analysis of a Hemispherical Gyro,” INTERNOISE 2006, pp. 62~66, Honolulu, Hawaii, USA, Dec 3-6, 2006