Marine engine health state online monitoring and evaluating method, device and system

Abstract

The invention discloses a marine engine health state online monitoring and evaluating method, device and system. The method comprises the steps: acquiring vibration parameters, instantaneous rotatingspeed and thermal parameters of a marine engine; respectively processing the obtained vibration parameters, instantaneous rotating speed and thermal parameters to obtain vibration characteristic parameters, instantaneous rotating speed fluctuation states and thermal parameter states; and evaluating the health state of the marine engine according to the vibration characteristic parameters, the instantaneous rotating speed fluctuation states and the thermal parameter state, and carrying out early warning before the marine engine breaks down. According to the method, the health state of the marine engine is correctly and effectively monitored and evaluated online in combination with the multi-dimensional data. The functions of real-time online monitoring, early fault early warning, historicaldata accumulation mining, fault trend prediction and the like of the marine engine are achieved, major accidents are prevented, the maintainability and the operation economy of the marine engine areimproved, and a technical foundation is laid for situation-based maintenance.

Description

technical field [0001] The invention relates to the technical field of marine engine health assessment, in particular to an online monitoring and assessment method, equipment, system and storage medium for the health state of a marine engine. Background technique [0002] Diesel engines have the characteristics of high thermal efficiency and good economy, and are widely used in ships, construction machinery and locomotives. With the continuous increase of the diesel engine's strong load, the possibility of its failure increases. Once a failure occurs, it will often cause the paralysis of the entire power system and cause huge economic losses directly or indirectly. As the "power heart" of the ship's propulsion system, the diesel engine's operating status is not only closely related to performance such as fuel consumption rate, but also directly affects the safety and reliability of the ship. According to the incomplete statistical analysis of Japan Classification Society: t...

AI Technical Summary

Problems solved by technology

However, none of the current real-time monitoring methods can correctly and effectively realize the online assessment of the health status of marine engines.

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