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It is common to apply turbocharger technology on marine diesel engine, and the turbocharged strength is being improved. However, over 90% of schedule, the diesel engine runs at low load, bringing about problems such as inadequate torque, high fuel consumption, high heat load and etc. And directly impact operation of power and economy. The key point to improve low-load performance of marine turbocharged...
According to the problem of small samples and nonlinear feature in fault diagnosis of marine diesel engine, comprehensively using the methods of grey relational analysis and kernel fuzzy c-means clustering, a method solving fault diagnosis of marine diesel engine is proposed. Firstly, kernel fuzzy c-means clustering was made on historical fault dataset. Secondly, the preliminary fault diagnosis was...
For middle-speed and four-stroke marine diesel engine, a new engine remote control system based on N Layer distributed processing and dual-redundant CAN network communication technology was presented. It include engine control units, indicating panel unit, engine safety unit, main engine interface, digital governor unit and distributed process module, System data can be exchanged by dual-redundant...
Hardware-in-the-loop validation system of control strategies of common rail direct injection marine diesel engine was established, where control oriented cylinder-by-cylinder engine model (CCEM) was used. Simulation results show that CCEM is applicable to validate the control strategy of engine control system, and comparison between simulation results and test bench data approved the accuracy and...
Tougher legislation on exhaust emissions reduction, more power and mobility and less fuel consumption, has led to stronger call for the electronic engine control units for marine diesel engines. Electronically-controlled common-rail systems for marine diesel engine is introduced in the paper. Testing method based on Hardware-in-the-loop(HIL) simulation is depicted in details. The specified HIL platform...
The paper establishes a mathematical model to describe the rotation speed regulation process of a marine diesel engine system. Then an adaptive control system with fault treatment algorithm is designed for the control of the rotation speed. The adaptive control system makes self-organizing through modification of its weighted values which are determined through correlative search, as well as a coefficient...
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