搜索结果: 1-14 共查到“compressor”相关记录14条 . 查询时间(0.109 秒)
Fuzzy comprehensive assessment of running condition for a large-scale centrifugal compressor set
Compressor Condition assessment Mathematical modeling Maximal information coefficient Dynamic deterioration degree Prediction
2023/6/19
A fuzzy comprehensive assessment method of running condition was constructed and applied to a large-scale centrifugal compressor set in a petrochemical corporation aiming at the monitoring and early w...
第八届国际会议在压缩机和制冷（The 8th International Conference on Compressor and Refrigeration）
第八届 国际会议 压缩机 制冷
2017/2/16
The 8th International Conference on Compressor and Refrigeration (ICCR) is a series of conference, originating from the International Compressor Technique Conference (ICTC).
Linear Complexity Lossy Compressor for Binary Redundant Memoryless Sources
nonlinear function LDGM codes lossy compression replica method
2011/8/30
Abstract: A lossy compression algorithm for binary redundant memoryless sources is presented. The proposed scheme is based on sparse graph codes. By introducing a nonlinear function, redundant memoryl...
Noble gas mass spectrometry with a compressor driven recycling system for improved sensitivity
noble gas geochemistry compressor turbo molecular pump
2017/8/9
In order to increase the sensitivity of static-mode noble gas mass spectroscopic analysis, we have developed and tested a gas re-circulation system, which uses a commercially available turbo molecular...
A methodology for quality control and evaluation in compressor assembly line
Methodology for quality control Compressor Assembly Line Artificial Neural Networks
2009/12/1
This paper is concerned with the development of a methodology for quality control and evaluation in compressor assembly lines. The tools Artificial Neural Networks (ANNs), Failure Mode and Effects Ana...
基于遗传算法的压缩机参数优化（Parameter Optimization of Compressor Based on Genetic Algorithm）
压缩机 遗传算法 直流无刷电动机
2009/9/11
为了提高直流无刷电动机驱动压缩机的效率，提出嵌入电动机模块的遗传算法的压缩机优化方法。模型优化目标为电动机效率，优化变量为低压缸直径、高压缸直径、低压活塞行程、高压活塞行程、电动机转速。产生的变量值通过sim函数赋值给电动机模块，通过sim函数控制电动机模块的仿真时间，仿真结束后，将效率值通过sim函数返回给遗传算法主程序。仿真结果表明，优化后的压缩机效率比优化前更优。实验结果表明，优化后压缩机在...
Impact on the magnetic compressor due to CSR
coherent synchrotron radiation magnetic compressor energy spread emittance
2009/8/14
When an electron bunch is compressed in a chicane compressor, the CSR (coherent synchrotron radiation) will induce energy redistribution along the bunch. Such energy redistribution will affect the lon...
In this paper, we have found a new set of parameters for the short two-stage
ILC bunch compressors. The RF sections are both in the accelerating phase rather than the decelerating phase to improve th...
直联式空压机PWM变占空比控制（Changing Duty Ratio PWM Control of Direct-drive Air Compressor）
直联式空压机 直流无刷电动机 变占空比
2009/8/11
研究了一种用直流无刷电动机驱动的直联式空压机，借鉴直接转矩控制的思想，根据直联式空压机负载的特点，提出了一种基于单片机的脉宽调制(PWM)变占空比控制方法。根据空压机负载，将控制周期中的每一拍设置成不同的占空比。给出了基于Simulink的仿真计算，仿真结果表明，这种控制方法简单可行，直联式空压机转速波动较小，且有较好的稳定性和抗干扰能力。试验结果表明，PWM变占空比控制能达到节约成本，提高效率，...
中国矿业大学工程热力学课件Chapter 7 Compressor and Turbine。
Productivity in the pump and compressor industry
compressor industry Productivity metalworking machinery
2009/6/8
During 1958-80, the industry experienced long-term advances, reflecting improvements in metalworking machinery and computer aid; but since 1965, productivity has decelerated, being especially slow fro...
Utilisation of a self-phase-modulation-based compressor to overcome Brillouin backscattering and intrachannel four-wave mixing in a 2R regenerator at 42.6 Gbit/s
compressor overcome Brillouin backscattering intrachannel four-wave 2R regenerator
2015/8/4
We report the efficient use of a SPM-based compressor to avoid Brillouin backscattering and intrachannel four-wave mixing in a SPM-based regenerator at 42.6 Gbit/s.
Numerical investigation of rotor-stator interactions in a 1.5-stage low-speed axial compressor
axial compressor rotor-stator-interaction periodic unsteady blade pressure uctuation unsteady blade pressure force
2010/3/11
The relative motion of rotor and stator leads to viscous and inviscid interactions between the blade rows. This is the reason why the °ow in turbomachines is periodically unsteady. The unsteady °ow &m...
An ultra-low-power image compressor for capsule endoscope
An ultra-low-power image compressor capsule endoscope
2010/2/26
We developed an ultra-low-power image compression processor for capsule endoscope or swallowable imaging capsules. In applications of capsule endoscopy, it is imperative to consider battery life/perfo...