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정일호(I. Jeong),임준홍(J. Lim) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
In this paper, the problem of trajectory generation for mobile robots is investigated. The robot trajectory is generated so that smooth turns are guaranteed. Also the kinematic constraints of the actual robot are considered and incorporated in the trajectory generation.
소형버스의 동역학 해석을 위한 판스프링 모델링기법 개발
박태원(T. W. Park),임홍재(H. J. Yim),이기호(G. H. Lee),박찬종(C. J. Park),정일호(I. H. Jeong) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
A leaf spring plays an important role in a passenger bus. Since characteristic of a leaf spring has a hysteresis behavior, a modelling technique for a leaf spring is an imPortant issue for a passenger bus analysis. In this paper, modelling technique for a leaf spring is presented. First, non-linear FEM model of a leaf spring is constructed then it is used to make an approximated model to be used in dynamic analysis. The modelling procedure is explained in step by step approach. Then. this model is applied to mini-bus dynamic analysis with flexible body and non-linear dynamic force element and the results are compared with test data.<br/> <br/>
박태원(T. W. Park),임홍재(H. J. Yim),이기호(G. H. Lee),박찬종(C. J. Park),정일호(I. H. Jeong) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
Ride harshness is the important characteristic for a passenger bus. Since ride generally involves frequencies up to 30 Hz, special modelling technique should be used for ride harshness analysis. This paper investigates modelling technique of a passenger bus for ride analysis which involves coupling of rigid bodies and flexible bodies in one model. First step is to build a rigid model and next step is to establish FEM model of a bus body and leaf springs. Then, prepared FEM model is coupled with the rigid model Computational results of the coupled bus model is compared with the testing results. Then, sensitivity analysis was carried out to suggest the direction for the ride quality improvement.<br/> <br/>
정일호,임준홍 한양대학교 공학기술연구소 1992 공학기술논문집 Vol.1 No.1
The design of a control language of mobile robot system for autonomous operations is explained in this paper. The on-board controller consists of one-chip microcontroller-based system and communicates with the host computer. It decodes the received commands and controls the mobile robot. The control language is basically of interpreter type and is consisted of motion primitives and sensing primitives. The combinations of primitives are constructed for mobile robot operations.