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飞轮系统
相关语句
  flywheel system
    Diagnosis of Crankshaft Cracks via Measurement of Crankshaft—Flywheel System Torsional Vibration Mode
    通过测量曲轴飞轮系统扭振模态特性诊断曲轴裂纹
短句来源
    Dynamic Measurement and Calculation of Twisting Stress of Crankshaft and Flywheel System in Diesel Type TC 387
    TC387型柴油机曲轴飞轮系统扭转应力动态试验与计算
短句来源
    Twist modal test of crankshaft and flywheel system in diesel Type TC 387 was performed and its dynamic characteristics obtained. A mathematical model was established on the basis of finite element method.
    本文介绍了TC387型柴油机曲轴飞轮系统的扭转模态试验,以及据此获得的它的动态特性,并在此基础上用有限元计算方法建立了可靠的数学模型.
短句来源
    A simplified and practical dynamic engine model has been established by analyzing the dynamics and characteristics of crankshaft and flywheel system to discover the relation between the transient speed fluctuation signal and gas pressure torque as well as each cylinder pressure. Thus giving the on-line identification technique for cylinder pressure fluctuation and its fast calculation.
    通过分析曲轴飞轮系统的动力学特性 ,建立一个简明实用的内燃机动力学模型 ,揭示瞬时转速波动信号与气体力扭矩及各缸气体压力之间的本质联系 ,给出气缸压力波形的在线识别方法及其快速实现算法。
短句来源
  “飞轮系统”译为未确定词的双语例句
    In this part,a simplified diagnostic model relating the gas pressure torque to the crankshaft speed fluctuations is derived.
    通过分析曲轴飞轮系统的动力学特性 ,建立了简明实用的瞬时转速诊断模型 ,揭示了瞬时转速波动信号与气体力扭矩及各缸气体压力之间的本质联系 ;
短句来源
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  flywheel system
A superconducting magnetic bearing was built and integrated in a levitating flywheel system for energy storage.
      
A group of 21 male subjects performed maximal knee extensions at four levels of external loading provided by a flywheel system.
      
Interaction of rotational and vibrational motions in a flywheel system with a friction clutch
      
A flywheel system includes the components necessary to store and discharge energy in a rotating mass.
      
A shaft connects the hub to the rest of the flywheel system.
      
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Twist modal test of crankshaft and flywheel system in diesel Type TC 387 was performed and its dynamic characteristics obtained. A mathematical model was established on the basis of finite element method. From calculated indicator diagram of this diesel, dynamic response was computed using above-mentioned finite element model. Dynamic twisting stresses were measured at the points both on main journal and connecting rod journal of crankshaft. Measured results provide a reliable basis for quantification of calculated...

Twist modal test of crankshaft and flywheel system in diesel Type TC 387 was performed and its dynamic characteristics obtained. A mathematical model was established on the basis of finite element method. From calculated indicator diagram of this diesel, dynamic response was computed using above-mentioned finite element model. Dynamic twisting stresses were measured at the points both on main journal and connecting rod journal of crankshaft. Measured results provide a reliable basis for quantification of calculated ones.

本文介绍了TC387型柴油机曲轴飞轮系统的扭转模态试验,以及据此获得的它的动态特性,并在此基础上用有限元计算方法建立了可靠的数学模型.根据该机的热力计算示功图等,用上述有限元模型进行了动力响应计算,并在曲轴的主轴颈与连杆轴颈上各一点进行了动态扭转应力测量.测量结果为计算结果的量化提供了可靠的依据.

A unique technique has been developed for on-line identification of engine in-cylinder pressure by using speed fluctuation signal. A simplified and practical dynamic engine model has been established by analyzing the dynamics and characteristics of crankshaft and flywheel system to discover the relation between the transient speed fluctuation signal and gas pressure torque as well as each cylinder pressure. Thus giving the on-line identification technique for cylinder pressure fluctuation and its fast calculation....

A unique technique has been developed for on-line identification of engine in-cylinder pressure by using speed fluctuation signal. A simplified and practical dynamic engine model has been established by analyzing the dynamics and characteristics of crankshaft and flywheel system to discover the relation between the transient speed fluctuation signal and gas pressure torque as well as each cylinder pressure. Thus giving the on-line identification technique for cylinder pressure fluctuation and its fast calculation. The experiment and analysis results show that this technique is practical and feasible, it lays good foundation for detecting cylinder-to-cylinder non-uniformity and misfire.

提出一种利用转速波动信号在线识别内燃机气缸压力的方法。通过分析曲轴飞轮系统的动力学特性 ,建立一个简明实用的内燃机动力学模型 ,揭示瞬时转速波动信号与气体力扭矩及各缸气体压力之间的本质联系 ,给出气缸压力波形的在线识别方法及其快速实现算法。试验及分析结果表明这种方法的可行性和有效性 ,为进一步诊断内燃机各缸工作不均匀性及单缸或多缸失火故障奠定了基础

Three methods have been developed for misfire detection in internal combustion engines by speed fluctuation signals.They are based on a diagnostic model,waveform analysis and multiple feature integration,respectively.The whole paper is divided into three parts.In this part,a simplified diagnostic model relating the gas pressure torque to the crankshaft speed fluctuations is derived.By analyzing and processing the model equation in the angular frequency domain,four dimensionless features are defined for misfire...

Three methods have been developed for misfire detection in internal combustion engines by speed fluctuation signals.They are based on a diagnostic model,waveform analysis and multiple feature integration,respectively.The whole paper is divided into three parts.In this part,a simplified diagnostic model relating the gas pressure torque to the crankshaft speed fluctuations is derived.By analyzing and processing the model equation in the angular frequency domain,four dimensionless features are defined for misfire detection.The fast algorithm for extracting such features and the misfire identification approach are put forward.Experimental results in real world engines are presented,proving the technique to be efficient and simple in implementation.

提出了利用转速波动信号诊断内燃机失火故障的 3种方法 ,包括诊断模型方法 (1 )、波形分析方法(2 )和多特征综合方法 (3)。本文介绍了诊断模型方法。通过分析曲轴飞轮系统的动力学特性 ,建立了简明实用的瞬时转速诊断模型 ,揭示了瞬时转速波动信号与气体力扭矩及各缸气体压力之间的本质联系 ;进而将模型方程转换到频域内处理 ,定义了 4种诊断失火故障的无量纲特征参数 ,给出了这些参数的快速提取算法和故障识别方法。最后通过试验研究 ,验证了该方法的可行性和有效性

 
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