CAJ | 학술논문

当离合器摩擦片的摩擦系数、车身质量及道路坡度等参数发生较大变化时，会使线性二次型优化控制算法改善AMT车辆起步平顺性的效果下降。设计了一种考虑模型误差估计的优化控制算法，即通过一个降维误差观测器对时变的参数和模型的不确定性进行估计，并由估计的模型误差和车辆状态共同构成控制算法的线性反馈。通过实车试验对该算法进行验证，结果表明在车辆参数变化时该算法可以保证AMT车辆平顺起步。
당리합기마찰편적마찰계수、차신질량급도로파도등삼수발생교대변화시，회사선성이차형우화공제산법개선AMT차량기보평순성적효과하강。설계료일충고필모형오차고계적우화공제산법，즉통과일개강유오차관측기대시변적삼수화모형적불학정성진행고계，병유고계적모형오차화차량상태공동구성공제산법적선성반궤。통과실차시험대해산법진행험증，결과표명재차량삼수변화시해산법가이보증AMT차량평순기보。
When parameters like clutch friction coefficient, vehicle mass and road slope vary greatly, the linear-quadratic based optimal control algorithm can improve the smooth launch control performance of AMT. An optimal launch control algorithm considering modeling error estimation is designed, which uses a reduced-order observer to estimate the time-varying parameters and uncertainty of model, and constitute a linear feedback of the control algorithm with the estimated model errors and vehicle state. The proposed control algorithm is verified in real vehicle test which proves that the proposed control algorithm can ensure the vehicle to launch smoothly when vehicle parameters change.