2results about How to "Avoid troubleshooting" patented technology

The utility model provides a kind of circuit board fault rapid detection system, including monitoring and data acquisition comparison system, detection module, XYZ three-axis displacement system, pose adjustment system and motion control system, pose adjustment system is fixed on the X motion component of XYZ three-axis displacement system, to be measured circuit board is fixed in pose adjustment system top, detection module is fixed in the Z axis motion component bottom of XYZ three-axis displacement system.Detection module is used to measure the voltage value between each pin on to be measured circuit board and to be measured circuit board GND end;Motion control system controls XYZ three-axis displacement system movement to adjust the position of detection module, and there is perfect same type circuit board pin volt-ampere characteristic database in monitoring and data acquisition comparison system.The utility model system can realize to be measured circuit board in situ fault detection, will not cause damage to circuit board, and can accurately position circuit fault area, detection efficiency is high and cost is low.

The invention discloses a multivariate data fusion-based engine oil abnormal consumption diagnosis method, which adopts an innovative diagnosis scheme of multivariate data fusion, dynamic model and multistage judgment, and comprises the following steps of: generating a dynamic reference model of engine oil consumption through a neural network model through fusion analysis of working condition parameters and engine oil consumption data; according to the system and the method, engine oil abnormal consumption can be accurately detected in real time in advance, the abnormal judgment of the liquid level-oil consumption change ratio is calculated, a matched intelligent diagnosis system is synchronously developed, and the intelligent diagnosis system comprises a data acquisition module, a sensor, an edge gateway, a visual instrument terminal and a cloud platform. And efficient technical support is provided for engine operation and maintenance.