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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술대회자료
저자정보
Inoue, Eiji (Laboratory of Bioproduction Engineering, Department of Bioproduction Environmental Science, Faculty of Agriculture. Kyushu University) Konya, Hideyuki (Laboratory of Bioproduction Engineering, Department of Bioproduction Environmental Science, Faculty of Agriculture. Kyushu Universit) Hirai, Yasumaru (Laboratory of Bioproduction Engineering, Department of Bioproduction Environmental Science, Faculty of Agriculture. Kyushu Universit) Noguchi, Ryozo (Faculty of Agriculture, Utsunomiya Universit) Hashiguchi, Koichi (Laboratory of Bioproduction Engineering, Department of Bioproduction Environmental Science, Faculty of Agriculture. Kyushu Universit) Choe, Jung-Seob (Department of Machinery Engineering, Sangju National University)
저널정보
한국농업기계학회 한국농업기계학회 International Conference 한국농업기계학회 2000년도 THE THIRD INTERNATIONAL CONFERENCE ON AGRICULTURAL MACHINERY ENGINEERING. V.II
발행연도
2000.1
수록면
146 - 153 (8page)

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The rubber crawler system for farm machine is composed of driving units such as track rollers, driving sprockets and rubber crawlers. Vibration characteristics of the rubber crawler system varies by driving speed, center of gravity, mass□moment of inertial□location arrangement of track rollers and dynamic parameters such as dynamic spring constant (k) and viscous damping coefficient (c) of a rubber crawler. In general, vibration of the rubber crawler system occurs by reason for mechanical interaction between the rubber crawler and track rollers. Because the dynamic spring constant and viscous damping coefficient vary periodically by mechanical characteristics(deformation characteristics) of the rubber crawler when track rollers drive on the between lugs of the rubber crawler. Therefore, both dynamic parameters k and c were expressed as Fourier series by authors through the shaking test of the rubber crawler and further, vibration characteristics of the rubber crawler system could be simulated analytically. However, actual values of dynamic parameters k and c are different from those obtained by the shaking test because dynamic characteristics of the rubber crawler vary by the effect of variable tension and driving resistance of track rollers. So, actual values of k and c should be identified in the condition of actual driving test. In this study, dynamic parameters such as k and c of the rubber crawler system, which are expressed as Fourier series, were identified using the Gauss-Newton Method. Therefore, validity of identified parameters k and c was discussed through the simulation using experimental data of actual driving test. As a result, in the Fourier series of dynamic parameters of spring constant k and viscous damping coefficient c, excellent parameter convergence and simulation were observed using the Fourier series' zero order and first term of the dynamic model. Furthermore, it was clarified that identification for model parameters which are fitted to actual dynamic motion (vibration) wave of the crawler system was possible by using the time series data observed in vertical and pitching motion of the crawler system.
#Rubber crawler #Vibration characteristics #Simulation #Identification of Dynamic Parameters #Dynamic model #Gauss-Newton Method

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