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URN	etd-0613105-220312
Author	Kao-Chu Chiang
Author's Email Address	do_always@yahoo.com.tw
Statistics	This thesis had been viewed 65 times. Download 1538 times.
Department	Mechanical Engineering
Year	2004
Semester	2
Degree	Master
Type of Document	Master's Thesis
Language	English
Title	A Reconstruction Design of Lu-Ban's Wooden Horse Carriage with 10-bar Linkages
Date of Defense	2005-05-25
Page Count	91
Keyword	10-link mechanism reconstruction design walking machine Lu Ban’s wooden horse carriage
Abstract	The wooden horse carriage of Lu Ban is an outstanding achievement in the history of ancient Chinese technology. The intention of this work, based on the historical records and the procedure of reconstruction research, is to reconstruct Lu-Ban’s wooden horse carriage. The 10-link type wooden horse carriage in this study consists of a walking horse with four identical leg mechanisms and a carriage for balancing. Each leg is a 10-bar linkage with 13 joints and one degree-of-freedom. At first, based on the modified Yan’s creative mechanism design methodology, 233 10-bar leg mechanisms are generated systematically, and 30 feasible 10-bar leg mechanisms are identified according to concluded evaluation criteria. A leg mechanism similar to Wang’s or Chiou’s leg mechanism is selected for detail design. Vector loop approach is used to obtain the foot trajectory, and the equations of static force and mechanical advantage analyses are formulated. Augmented Lagrange Multiplier method is applied to find optimum leg dimensions with minimum input force. Furthermore, the kinematic performances of Chiu’s 8-link and the proposed 10-link wooden horse carriages are evaluated. The result shows that the designed 10-link wooden horse carriage has better characteristics in input force and mechanical advantage. And, based on computer simulations and the built prototype, we further prove this reconstructed 10-link wooden horse carriage of Lu Ban is feasible.
Advisory Committee	Lai-Hsing Hsu - co-chair Ying-Chien Tsai - co-chair Hong-Sen Yan - advisor
Files	etd-0613105-220312.pdf indicate accessible at a year
Date of Submission	2005-06-13

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