| 1. | Kinematic design of planetary gear train
槽轮间歇运动机构的运动设计 |
| 2. | Compound planetary gear train
复合行星齿轮系 |
| 3. | Transmission principle and self - locking conditions of a type of planetary gear train
一种自锁的行星轮系传动原理与自锁条件研究 |
| 4. | Therefore if the closed planetary gear train and the differential plahetary gear train set up a multistage mixed gear train , we will obtain a winch on automobile crane which satisfy the request of double speed , great transmission ratio and small volume
因此将差动和封闭行星轮系组成多级混合轮系，就可得到一种满足汽车起重机上的卷扬机双速、大传动比、小体积要求的传动机构。 |
| 5. | Ordinary gear transmission is hard to do so , the suitably multistage spur gear transmission that adopts 2k - h and ngw model planetary machine should be considered and in order to make machine further miniaturization , the closed planetary gear train should be adopted
而普通的齿轮传动难以满足，故宜采用2k - h 、 ngw型的多级直齿行星齿轮传动，并且为使机构进一步小型化，应考虑采用封闭轮系。 |
| 6. | It was researched into the coupling form between three - row planetary gear train and shift restriction based on the matrix , and then the method of establishing mathematics model was presented for to analyze the planetary gear transmission by using matlab
摘要基于矩阵理论对行星齿轮变速机构的行星排之间联结、换档约束进行研究，提出用联结矩阵的组合形式建立三排行星机构传动型谱的概念，分析其所有可能的传动结构型式。 |
| 7. | The analysis result shows that the whole system could reach not only a static balance hut also a dynamic balance at all time because of the special phase angle relation , it keeps all the advantages of the traditional cycloidal - pin wheel planetary gear train
分析表明，由于四片环板采用了特殊的相位角关系，整个系统不仅能够达到静力平衡，而且能达到任意时刻的动平衡，同时又保留了摆线针轮行星传动的优点，是一种具有发展前景的传动形式。 |
| 8. | In addition for raising rise - and - fall - speed of goods when crane is in empty load and light load situation we need a improved double - speed - type transmission based on the original single - speed winch . using the differential planetary gear train that can do movement synthesis precisely can achieve this goal
另外为了提高起重机空钩和轻载时的货物升降速度，要求在旧型的单速卷扬机上进行改进实现双速传动，而利用差动行星轮系可进行运动合成的特点能达到这一目的。 |
| 9. | The programme logic controller is utilized to control the inverter ' s output frequency which accomplishes controlling the velocity of speed - controlling asynchronous moter . the velocity between main asynchronous moter and speed - controlling asynchronous moter is composed by way of the differential planetary gear train , the tranmission system is made to regulate velocity stepless in large scope which succeed in controlling starting progress of load
使用可编程控制器对变频器的输出频率进行控制，实现对调速电机转速的控制。调速电机与主电机的转速经差动行星轮系的速度合成，可使传动系统在很大范围内无级调速，实现对负载的可控起动。 |
| 10. | A novel multi _ mode hev s systematic model is then presented basing on the research of toyota " s prius hev , which focuses on its drive system " s structure and control strategy . the hybrid configuration proposed in the paper features a planetary gear train for an electric cvt mode in addition to lay - shaft gears for multiple speed ratios and realizes six operation modes in a simple structure
重点研究了丰田公司的prius混合动力电动汽车的驱动结构及其控制策略，在其基础上提出一种新型多模式混合动力电动汽车的系统模型，采用行星轮系和四组齿轮副作为传动机构，可进行连续传动，以简单的结构实现了六种工作模式。 |
