说明：  基于EMD、关联维数及神经网络理论，采用UbVIEW虚拟仪器开发平台 研制了一套内燃机燃气系统无拆卸故障诊断的虚拟仪器，该系统采用模块化结构， 具有快速可重组的优点，由压电式加速度传感器、光电传感器、电荷放大器、 PCI一6133同步数据采集卡、PC机以及采用LabVIEW开发的测试软件构成，测试软 件包括数据采集模块、故障特征值定义模块以及故障类型识别模块三大部分
(Based on the EMD, and the correlation dimension and neural network theory, USES the UbVIEW virtual instrument development platform Developed a set of internal combustion engine gas system without disassembly of the fault diagnosis of virtual instrument, this system USES modular structure, Has the advantages of rapidly reconfigurable, by the piezoelectric acceleration sensor, photoelectric sensors, a charge amplifier,)