CAJ | 학술논문

为研究越野车辆行驶在不平路段机动性问题，通过偏频试验识别车辆部分特征参数，测量试验车辆悬架位移，计算行驶路段路面不平度，监测驾驶员座椅 Z 加速度在不平试验路段时序信号，据人体疲劳特性计算人体吸入功率，并建立“人体－车身－车轮”三自由度振动模型；用傅里叶逆变换生成不平路段的时序信号作为仿真输入，利用 Simu-link 仿真试验车辆驾驶员座椅 Z 向加速度在不平路段的时序信号；提出人体吸入功率为6 W 时对应的车速作为评判越野车在不平路段的机动性能。
위연구월야차량행사재불평로단궤동성문제，통과편빈시험식별차량부분특정삼수，측량시험차량현가위이，계산행사로단로면불평도，감측가사원좌의 Z 가속도재불평시험로단시서신호，거인체피로특성계산인체흡입공솔，병건립“인체－차신－차륜”삼자유도진동모형；용부리협역변환생성불평로단적시서신호작위방진수입，이용 Simu-link 방진시험차량가사원좌의 Z 향가속도재불평로단적시서신호；제출인체흡입공솔위6 W 시대응적차속작위평판월야차재불평로단적궤동성능。
The problem of mobility of off-road vehicle on roughness roads was studied.The vehicle model parameters were identified by using frequency offset tests.The road roughness was estimated by testing the suspension displacement.The driver seat's vertical acceleration time series signal on roughness roads was detected.The absorbed power was calculated based on human tolerance limit.The ‘human-vehicle body-wheel'three-degree-of-freedom vibration model was built.The road roughness time series signals were worked out by the inverse Fourier transform,and then were used as the input of the simulation.On the other hand,the driver seat's vertical acceleration signal on roughness roads was simulated by utilizing the Simulink software.The speed at absorbed power of six-Watt was suggested to indicate the mobility of the off-road vehicle passing through roughness roads.