| 1. | The key technology and its realizationof compound drive system in automobile
汽车复合驱动的技术关键及实现途径 |
| 2. | This thesis belongs to the research of the third aspect , the compound drive system is used to regenerate the loss energy
本论文属于再生制动能量的研究范围，研究以汽车减速及制动能量回收再利用为目的的液压节能驱动系统。 |
| 3. | Based on the motor ' s mathematics models of the two control technologies in the stator static coordinate system , we build mathematics model of compound driven technology
根据两种控制系统电机本体在定子三相静止坐标系( a ， b ， c )下的数学模型，建立复合驱动的数学模型。 |
| 4. | On the basis of theoretical compution , formulization and simulation , we can realize repm motor " wide range , ultra - high speed , high accuracy , and stable control using compound driven technology
根据理论计算、公式推导和仿真实验，采用复合驱动控制可实现稀土电机的宽范围、超高速、高精度、平稳控制。 |
| 5. | By deeply analyzing the reason of the fault and optimizing the parameter of circuit , performance of drivers increased greatly and a new way based on compound driving had been proposed which reduce the fault of traditional driver
通过电路分析,研制了电压、电流及复合控制型压电陶瓷驱动器。并通过优化电路参数,在其他性能指标不降的情况下提高了原电压及电流型驱动器的动态性能。 |
| 6. | The theory foundation is settled for highly effectively and rationally using giant magnetostrictive material . the driving principle of giant magnetostrictive material is studied and analyzed , and the study is centered on the principle of compound driving , which is used in this paper
为高效、合理地使用超磁致伸缩材料奠定了理论基础；研究、分析了超磁致伸缩材料的驱动原理，重点对本论文所采用的组合式驱动原理进行了研究。 |
| 7. | The low oil consumption and low bleeder of vehicle are achieved by using of transmission , hydraulic power control . and the compound drive system works harmoniously with engine to raise the motive capability effectively . it is the important way of automobile saving energy and environmental protection
本系统由液压技术、传动技术、控制技术相结合实现车辆的低油耗、低排放，并有效地提高车辆的动力性能，是现有汽车节能、环保的重要途径。 |
| 8. | In order to research sinusoidal - and trapezoidal - current compound driven technology , the controller uses variable structure control ( vss ) , by designing switch function s ( x ) , which switches motor between sinusoidal - and trapezoidal - current driven technology , and thus realizes motor ' s excellent control in different range of speed . also we do software simulation using matlab
为了研究方波驱动和正弦波驱动的复合控制，控制器采用变结构控制，通过设计切换函数，使电机在正弦波驱动和方波驱动两种控制模式下切换，实现不同速度段的优良控制特性，并用matlab软件对整个复合驱动系统进行了仿真实验。 |
| 9. | This thesis mainly studies sinusoidal - and trapezoidal - current compound driven technology of the rare earth permanent magnet ( repm ) motor . first we respectively explore the characteristics of both sinusoidal driven and trapezoidal driven control technologies , and then study the connection between them
首先从正弦波驱动电机和方波驱动电机的基本概念和数学模型着手，分别探讨正弦波驱动电机和方波驱动电机控制的特点，然后寻找方波驱动电机和正弦波驱动电机的内在联系，将其有机的结合起来，从而形成独具特点的复合驱动控制策略。 |
