| 1. | Review and pc demonstration of brownian motion theory
的往复压缩机气阀运动规律计算机模拟 |
| 2. | Manufactures water chillers and mold controls . covering the mid - west u . s . a
-从事压缩机气阀及其他压缩机配件研究开发和生产。 |
| 3. | Application of local wave method and higher - order statistics to valve - condition monitoring of reciprocating compressors
局域波法和高阶统计量在压缩机气阀状态监测中应用 |
| 4. | The objective of the investigation is to establish a method and a vibration measurement system for diagnosing the valve failures in an 05g compressor
本文针对美国carrier公司的委托技术协议，开展了05g型压缩机气阀故障诊断问题的实验研究。 |
| 5. | Based on these results , a measurement method and criteria for detecting the valve failures in 05g compressors are developed and verified in the further proceeding of the investigation
根据建立的判别准则，编制了05g型压缩机气阀故障诊断软件模块，并将其配置于camd - 6100系统，扩大了其诊断功能。 |
| 6. | And according to analysis of the elements of the reciprocating compressor gas valve and the characteristics of the vibration , summarized the characteristic of the signal of the gas valve is non - stationary
并且通过对往复式压缩机气阀的工作原理及振动特性的分析研究,总结出了往复式压缩机气阀振动信号具有非平稳性。 |
| 7. | Since , we can extract the time - domain fault feature parameter in order to fault diagnosis . in the end , according to analysis data of four states of the reciprocating compressor ’ gas valve in order to approve the feasibility of this method
最后,对往复式压缩机气阀故障的四种状态加速度信号进行结构参数识别和时域特征参数提取,以达到故障诊断的目的,最后验证了该方法的可行性和有效性。 |
| 8. | Evident differences have been revealed in the results . finally the valves with given failure supplied by the manufacturer of the compressor are installed in different cylinders , the vibrations of the cylinder heads are measured and evaluated again with the same system camd - 6100
在对实验数据统计分析的基础上，提出了以一、二和三阶倍频幅值与振动总量有效值的比值，作为诊断压缩机气阀故障的特征参数，并建立了不同气阀故障的判别准则。 |
