| 1. | Application of the instantaneous speed in fault diagnosis of the multi - cylinder diesel engine 瞬时转速在多缸柴油机故障诊断中的应用 |
| 2. | The internet is remarkable for the almost instantaneous speed at which it transmits information 互联网显著特征就在于其传送信息的瞬时性。 |
| 3. | An experimental unit for measuring the instantaneous speed of a high - speed train passing through tunnel 高速列车进出隧道瞬时速度测量实验装置 |
| 4. | The conclusion that they are on all fours is deduced by comparing the instantaneous speed ratio formula and the speed ratio formula which is deduced according to the willis ' s method of mechanism conversion 此外,还将用willis转化机构法求得传动比与表达形式不同的瞬时传动比进行了比较,得出了这两种传动比在本质上一致的结论。 |
| 5. | ( 3 ) in the condition of invariable instantaneous speed ratio , the equations of teeth surface of all key components , such as end face gear , oscillating teeth , wave producer , et al , are deduced ( 3 )在保证瞬时传动比恒定的条件下,由空间啮合原理出发,重点推导了活齿端面谐波齿轮传动装置的主要传动部件? ?端面齿轮、活齿以及波发生器端面凸轮的齿面方程。 |
| 6. | ( 2 ) according to the willis ' s method of mechanism conversion , the speed ratio formula is deduced . the instantaneous speed ratio formula is deduced by differential coefficient , and the condition of preserving it is deduced ( 2 )用willis转化机构法求出了活齿端面谐波齿轮传动装置的传动比,并用微分的方法分析、求得了瞬时传动比,得出了保证瞬时传动比恒定的条件。 |
| 7. | In this paper , by analyzing the measuring of instantaneous speed , it was found that the main error is come from the angular measuring error , and then the method to decrease the error is given and the measurement precision is improved greatly 摘要通过分析柴油机飞轮瞬时转速的测量误差,指出角度误差是飞轮瞬时转速的主要误差来源,从而提出了减少误差的方法,提高了瞬时转速的测量精度。 |
| 8. | Abstract : the simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine 文摘:对瞬时转速波动进行了仿真分析计算;实测了发动机的瞬时转速;对比了实测与仿真计算的瞬时转速波形,两者相当一致;讨论了影响瞬时转速测量精度的关键因素;提出利用瞬时转速进行故障诊断的特征参数及判据,并在诊断4120sg型柴油机气门漏气故障中得到证实 |
| 9. | The simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented . the important factors , influencing the measurement precision of the instantaneous speed , are discussed . the correct measurement method is presented . the instantaneous speeds of diesel engine are measured and processed in a laboratory condition . compared the simulated instantaneous speed with the measured instantaneous speed , the simulated result is correspondence with the measured result . the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided , and diagnosis accuracy is confirmed on 4120sg diesel engine 对瞬时转速波动进行了仿真分析计算;实测了发动机的瞬时转速;对比了实测与仿真计算的瞬时转速波形,两者相当一致;讨论了影响瞬时转速测量精度的关键因素;提出利用瞬时转速进行故障诊断的特征参数及判据,并在诊断4120sg型柴油机气门漏气故障中得到证实 |