CAJ | 학술논문

基于功率键合图理论建立了全路面起重机双气室油气弹簧悬架系统非线性数学模型，构造了路面不平度时间函数，并在Matlab/Simulink环境下进行仿真，分析了油气悬架缸主要参数对车辆振动规律的影响，验证了油气弹簧悬架的非线性阻尼特性和非线性刚度特性，证明了功率键合图理论在此领域的可行性和功率键合模型的正确性，为进一步的整车仿真和控制策略研究提供了理论依据。
기우공솔건합도이론건립료전로면기중궤쌍기실유기탄황현가계통비선성수학모형，구조료로면불평도시간함수，병재Matlab/Simulink배경하진행방진，분석료유기현가항주요삼수대차량진동규률적영향，험증료유기탄황현가적비선성조니특성화비선성강도특성，증명료공솔건합도이론재차영역적가행성화공솔건합모형적정학성，위진일보적정차방진화공제책략연구제공료이론의거。
The non-linear mathematical model is built for double-chamber oil-air spring suspension system of all ter-rain crane based on power-bond graph,to construct the road irregularity time function and perform simulation in Matlab/Simulink.The paper analyzes the effect of main parameters regarding oil-air spring suspension cylinder on vehicle vibration rules,verifies the non-linear damping characteristics and non-linear stiffness characteristics for oil-air spring suspension, and proves feasibility of power-bond graph and correctness of power-bond model,providing theoretic basis for further re-search on machine simulation and control strategy.