| 1. | Steering characteristics of four - wheel - steering vehicle and relevant tests 四轮转向汽车的动特性分析 |
| 2. | Factors of body roll angles correspond to vehicle steady steering characteristics 车辆稳态转向特性中车身侧倾角的影响因素 |
| 3. | Test system of rocket artillery directional unit ' s electrical steering characteristic 火箭炮定向器电动操瞄性能检测系统研究 |
| 4. | Effect of hydro - pneumatic suspension parameters on steering characteristics of multi - axle - steering vehicle 油气悬挂系统参数对多桥转向特性的影响 |
| 5. | Beam steering characteristics of liquid crystal optical phased array ( lcopa ) is an important index evaluating its optical performance , and beam steering angle is the direct parameter indicating this 液晶光学相阵列的光束偏转特性是评价其光学特性的一项重要指标,而光束偏转角是直接评价这一特性的物理参数。 |
| 6. | This paper presents an improved pd control method , which is based on double fuzzy sets and auto - tuning techniques , and an " h - infinity control " method in order to obtain ideal eps assist steering characteristics 本文分别采用了模糊自调整控制和h _控制两种不同控制策略对电动助力转向系统进行仿真与实验研究。 |
| 7. | This thesis has the research contents as following : 1 ) the research on the tyre nonlinearity the tyre nonlinear model affects the steering characteristics and stability of the vehicle 本文在4ws系统的动力学特性和控制研究上进行了初步探索,取得了以下成果: ( 1 )研究了轮胎非线性对汽车四轮转向系统的转向特性及行驶稳定性影响。 |
| 8. | At last , based on vehicle side - slip angle and yaw rate , 3 different kinds of vehicle handling stability controller are designed using variable structure control with sliding mode theory . at simulink simulation flat , do simulation experiment of the concept car model with the direct yaw moment control and without control ; and which control strategy should be apply in different specifically vehicle working conditions , how the vehicle velocity , steer characteristic , control parameters etc . impact the control quality have been studied 最后,运用滑模变结构控制理论,基于质心侧偏角和横摆角速度这两个控制变量分别提出三种具有针对性的控制策略,在simulink仿真平台上,对带有汽车稳定性控制器和不带汽车稳定性控制器的车辆模型进行了仿真研究;对不同工况下汽车稳定性控制策略的具体应用及车速、转向特性和控制参数等因素对控制品质的影响进行了研究。 |
| 9. | In this dissertation , according to the theory of mechanical dynamics and multi - body dynamics , a simulation model of nj2046 light off - road vehicle including suspension system , steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel . it is found that the steering characteristics are different when the velocity and load are different , and the relationship between steering characteristics and velocity and load is presented 本文根据机械系统动力学、多体动力学理论,运用动力学仿真软件carsim建立了包括悬架系统、转向系统和轮胎等模型的nj2046越野汽车整车仿真模型,在此基础上分析了nj2046越野汽车在方向盘转角阶跃输入时的转向特性,通过对不同车速、不同载荷条件下的仿真计算,得出了在这些条件下该车具有的不同表现特征,揭示了转向特性与车速、载荷和轮胎的内在关系。 |