| 基于发动机模型和瞬态转速测量的气缸故障诊断方法 |
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| 引用本文： | 白广来,孟宪尧,汪思源.基于发动机模型和瞬态转速测量的气缸故障诊断方法[J].上海海事大学学报,2001,22(3):321-323. |
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| 作者姓名： | 白广来 孟宪尧 汪思源 |
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| 作者单位： | 大连海事大学 |
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| 摘 要： | 发动机气缸内的压力和扭矩输出的分配情况是诊断发动机工作状态的一个很重要的参数,但这一参数在发动机的运行过程中很难测量.本文讨论了基于发动机模型和瞬态转速测量的气缸故障诊断方法.在发动机瞬态转速波形和气压扭矩波形的基础上,定义几个诊断参数VI,API,TCI和PCI.利用这些诊断和简单的判断规则,可判断发动机各气缸的工作状态,并诊断出发动机气缸灭火和供油不足等故障.
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| 关 键 词： | 发动机 瞬态转速 气压扭矩 故障诊断 |
| 修稿时间： | 2001年4月2日 |
Diagnosis of Engine Cylinder Faults Based on Engine Dynamic Model and Measurement
of Engine Transient Speed |
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| Bai Guanglai,Meng Xianyao,Wang Siyuan.Diagnosis of Engine Cylinder Faults Based on Engine Dynamic Model and Measurement
of Engine Transient Speed[J].Journal of Shanghai Maritime University,2001,22(3):321-323. |
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| Authors: | Bai Guanglai Meng Xianyao Wang Siyuan |
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| Institution: | Bai Guanglai Meng Xianyao Wang Siyuan |
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| Abstract: | The pressure in a cylinder and its contribution to the engine torque output are important parameters to the diagnosis of engine faults, but difficult to obtain during engine operation. Based on engine transient speed waveform and gas torque waveform, a set of diagnostic parameters, VI, API, TCI, and PCI, are defined. Using these parameters, the engine running state is evaluated and cylinder faults such as misfiring and insufficient fuel can be diagnosed. |
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| Keywords: | engine transient speed gas torque fault diagnosis |
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