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임무승,정연두,김효준 三陟大學校 2005 論文集 Vol.38 No.-
The suspension system plays an important role in a vehicle performance. In order to improve the suspension characteristics, the actively actuated suspension system is developed. In this study, an adaptive and sliding mode control schemes are applied to vehicle suspension system, the designed controller has the feature of considering the parameter variations and nonlinear dynamics.
김명수,임무승,정연두,김효준 三陟大學校 産業科學技術硏究所 2004 産業科學技術硏究論文集 Vol.9 No.1
In this paper, We researched the method analysing more easily the vibration source of motor to decrease trial and error in the vibration analysis when it is made high vibration in a big size motor driving vertical pump. According to this result, We made an easy calcalation expression to analysis the vibration source and decrease the vibration by eccentric ratio and clearance of bearing, deviation from roundness, slope of shaft, and slope of base plate, alignment variation by means of analysing the character of vibration happening to the degree. of inner clearance of motor.
김효준,임무승 三陟大學校 産業科學技術硏究所 2004 産業科學技術硏究論文集 Vol.9 No.1
This paper presents the design of an active tilting controller for a railway vehicle. For this purpose, firstly, railway vehicle model travelling on a curved trajectory is constructed considering the lateral, yaw and roll behavior. Based on the analysis of dynamic model responses, an active control system is designed in the framework of lateral acceleration feedback control scheme. Finally, the performance of the active tilting control system is evaluated by simulation under some curved trajectories and travel speed conditions.