| 1. | Properties on incipient velocity and consolidation of fly ash
粉煤灰固结起动特性 |
| 2. | A apparatus designed for testing the characteristic of bedload startup
泥沙起动特性测试仪研制 |
| 3. | The dynamic optimum design of the driving system with coupling of belt conveyor
含液力耦合器的带式输送机起动特性优化设计 |
| 4. | Study on the influence of the harmonic in the soft - starter of asynchronous motor to its starting character
异步电动机软起动器产生的谐波对起动特性的影响研究 |
| 5. | Soft - starter which is an inductive motor starting device , can decrease the starting current and optimize the starting property of a motor
软起动器是一种常用的感应电动机起动设备，可以降低电机起动电流优化起动特性。 |
| 6. | This paper introduces constant - filling and variable - speed fluid couplings . the main description includes their structure , features , soft start characteristics when used in belt conveyors , etc
摘要主要介绍限矩型与调速型液力偶合器的结构与性能特点，阐述了其用于带式输送机时的软起动特性及其他优点。 |
| 7. | The driver model should imitate the behavior of a real driver as well as possible . for this purpose , the staring behavior was defined by taking into account the coalesce process about the drive side and take - off side of the friction clutch , the driving behavior was defined by taking into account the change of acceleration pedal position , arrester pedal position and clutch pedal position in the shifting process
定义车辆起动特性时考虑了起步阶段离合器主从动部分的接合过程,定义行驶特性时考虑了行驶阶段加速踏板和制动踏板的开度变化以及换档过程中离合器踏板和加速踏板的开度变化情况,真实地描述了一个驾驶员的特性,使得模拟结果更接近于实际。 |
| 8. | To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means , two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented . one is alternative voltage regulator , the other is alternative voltage chopper . the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab
为解决上述问题，本文提出一种基于斩波方式的三相交流异步电动机的软起动新方法，论文对电路的起动特性、功率因数、谐波以及控制策略进行了研究，仿真结果表明这种基于斩波方式的三相交流异步电动机的软起动方法比基于三相交流调压的三相交流异步电动机的软起动方法具优越性。 |
| 9. | This thesis is devoted to the theoretical study and engineering practice on 12 / 8 pole doubly salient electro - magnetic starter / generator system . the paper mainly analyzes starting characteristics and armature reaction of doubly salient electro - magnetic starter / generator , implements doubly salient electro - magnetic motor digital control system and accomplishes the simulation research on the rotor position estimation of doubly salient electro - magnetic motor
本文以12 8极电励磁双凸极起动发电机系统的理论研究和工程实践为研究对象，对电机起动特性、电枢反应、 dsp数字控制系统实现以及转子位置估算技术开展了一系列的研究工作。 |
| 10. | It is no effect on a sidewall compression inlet ' s starting characteristics while a starting sidewall compression inlet is moved cowl to increase interior contraction ratio appropriately . back pressure effect on characteristics of self - starting for hypersonic sidewall compression inlet is tested in mach 3 . 85 wind tunnel . the hypersonic sidewall compression inlet with interior contraction ratio 1 . 24 can self - start . unstart hypersonic sidewall compression inlet caused by high back pressure can self - start by moving cowl to decrease interior contraction ratio
最后,实验研究了反压对侧压式进气道自起动特性的影响,内收缩比1 . 24的侧压式进气道可以实现自起动并且实验验证了由于反压过高而不起动的侧压式进气道,通过移动唇口板以减小内收缩比可以实现侧压式进气道的自起动。 |
