Clarification of vibration generation mechanism of agricultural machinery by estimation of lug excitation force based on agricultural tire vibration characteristics

2015 Fiscal Year Final Research Report

• Project/Area Number: 25420201
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Dynamics/Control
• Research Institution: Ube National College of Technology
• Principal Investigator: FUJITA KATSUHIDE 宇部工業高等専門学校, 機械工学科, 教授 (50390498)
• Co-Investigator(Kenkyū-buntansha): SAITO TAKASHI 山口大学, 大学院理工学研究科, 教授 (10162207)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 動的設計

Outline of Final Research Achievements

In order to identify lug excitation force, the shaft displacement and the shaft force during rolling motion are measured by rolling test. Then, the tire is modelled as a circular rigid ring and the equations of motion are derived considering ground contact and rolling motion. From the derived equations of motion, tire ring displacement is identified from the measured data using least square method. The validity of this identification are confirmed by comparing the measured shaft force with the calculated shaft force using the identified tire ring displacement. Finally, the lug excitation force are identified from the measured shaft displacement and the identified tire ring displacement.

Free Research Field

工学