| 1. | Analysis of the motion stability for vehicle four wheel steering system
汽车四轮转向运动的稳定性分析 |
| 2. | Matrix perturbation method for motion stability analysis of vehicle with four wheel steering system
两轴四轮汽车四轮转向机构的运动分析 |
| 3. | The study of underwater trajectory and motion stability of supercaviting bodies , dealing with three kinds of media - solid , liquid , gas ( vapor ) , is one of the most important problems in mechanics and engineering
摘要超空泡状态下的航行体水下弹道的研究涉及固、液、气（汽）三相介质的运动。 |
| 4. | In this paper , the theory of slender bodies was used to calculate hydrodynamic forces and to numerically simulate the underwater trajectory of supercaviting bodies , the motion stability of supercaviting bodies was analyzed , too
本文应用细长体理论计算航行体在超空泡状态下的流体动力，成功类比了超空泡状态下的航行体水下弹道。 |
| 5. | The main research work involves : ( 1 ) based on first order ode ( ordinary differential equation ) approximation theory and hopf bifurcation theory , the nonlinear motion stability of the train is studied emphatically
本文所做的主要工作有： ( 1 )基于常微分方程的一次近似理论和hopf分叉理论，重点研究了列车(车辆)系统的非线性运动稳定性。 |
| 6. | ( 3 ) the methods of detecting sub - critical propagation of cracks in concrete dams are explored by use of grey system theory , motion stability theory and catastrophe theory , and three criteria for sub - critical crack propagation are given
( 3 )采用灰色系统理论、运动稳定性理论和突变理论，研究了混凝土坝裂缝亚临界扩展识别方法，给出了三个裂缝亚临界扩展判据。 |
| 7. | Some problems related to crack stability of concrete dams in the field of dam monitoring are studied in this dissertation using theories and mathematics such as chaos theory , fractal geometry , artificial neural networks , grey system theory , motion stability theory , catastrophe theory , and so on
本文应用混沌理论、分形理论、人工神经网络、灰色系统理论、运动稳定性理论、突变理论等理论和方法，对大坝安全监测中有关裂缝稳定性的相关问题进行研究。 |
| 8. | In conclusion , some inherent rules and relations of motion stability of the open - loop system and the driver - vehicle closed - loop system are revealed in this paper . the results of simulation and optimization about the open - loop system and driver - vehicle close - loop system indicate the index and the method presented are right and valuable
研究结论表明,所提出的汽车开环和闭环系统加权综合评价指标和总评价指标可以用于汽车开环系统和闭环系统操纵性和运动稳定性的联合优化设计,从而改善汽车的操纵性和运动稳定性。 |
| 9. | Finally , the motion stability of the flexible deployable truss mentioned before was analyzed . according to the definition of motion stability , the simulation results under the conditions of different initial attitude angle velocities and pulse torque function indicate that the deployment motion of flexible truss under these initial distortions was steady . the drive angle velocity of deployment
根据无扰运动的稳定性定义,通过对卫星在不同初始姿态角速度下及受到力矩脉冲作用下展开时卫星的姿态角速度的影响的比较,说明在这两种初始扰动下桁架的展开运动的稳定性情况;对不同驱动角速度下桁架展开的仿真结果比较得到该桁架的失稳条件。 |
