The Trial Test Client Application Software Development Of Marine Diesel Engine Digital Management System

It is a complex procedure from the design, the manufacture and the running management to the maintenance of Marine Diesel Engine, which affect mutually, for example, the diesel engine design parameter affects its running parameter and the maintenance strategy is decided by the diesel engine running condition. The detailer the information of the diesel engine design, the production and experiment are and the simpler the gained information way is, the reasonabler and effectiver the organized production, technical support and management are. The manufacture of Marine Diesel Engine is needed to get across all work process for the design, the machining and the assembly etc. So as to complete the diesel engine initial running-in period with the trial test, survey the performance and the emissions and adjust the feed advance angle, the gap of matched gas and the inject pressure, which enable the diesel engine all technical specifications to meet the design requirements. The trial test history data is needed to manage and preserve to provide the basis for the design, the production as well as the calculation analysis etc. laterly. The trimed trial test data and report will be provided to surveillance organization, for example, the classification society etc. which will be authorized by the ship-owner, it will be handed out and used to the ship-owner after the approval qualified.Marine Diesel Engine Digital Management System (DMS) can store Marine Diesel Engine basic information, the design parameters, the installment and debugging parameters as well as the test-bed data etc. with database, follow kinds of information of the diesel engine design, the production, the debugging and the experiment etc. all time, as can provide not only the general information for the diesel engine design, the production, the debugging and the experiment, but also the technical support of the navigational data for the ship-owner. Therefore it is extremely significant to enhance the informative level of the Marine Diesel Engine manufacture enterprise and production efficiency by the development of DMS.The Trial Test Client application software development of Marine Diesel Engine Digital Management System has been completed, and the design ideas, code realization and its detail etc. of its six big function modules has been introduced in detail, the achievement are as follows:1) The trial test client application software development of Marine Diesel Engine Digital Management System has been completed. The three layers application structure has been designed and developed with the ADO+MIDAS technology and the database technology, it overcame the defect of the two layers application structure, and enhanced the performance of the system's extension and maintenance;2) The trial test client application software interface is friendly, which was designed according to the familiar report for the trial test group personnel, it can automaticly calculate data such as ISO condition corrected etc. after the manually input primary data, has realized the test data paperless storage;3) PMI (Pressure Measurement Indicated) system data has been imported to the database of the trial test client application with the trial test client application software. We can judge whether the tested diesel engine performance conforms to the requirement with compiling the history test data or comparing the corrected test data or drawing the main performance parameter curves under the ISO. We can carry on the diesel engine emissions calculation to judge whether NOx emissions quantity attains to the standard. The off-line importing and exporting function has not only operated facilitatly, but also encrypt function reduced the loss of information leakness.