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首页> 外文期刊>日本舶用機関学会誌 >The combustion simulation for diagnosis and decision of running condition of marine diesel engine (the first report: expert system)
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The combustion simulation for diagnosis and decision of running condition of marine diesel engine (the first report: expert system)

机译：用于船用柴油机诊断和决策的燃烧模拟（第一份报告：专家系统）

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摘要

In this paper, an expert system for deciding running condition and diagnosing faults of medium and large-sized diesel engines are presented. The system consists of three parts. First is the transient data acquiring part by which the necessary parameters of the engine can be acquired through the A/D transforming circuits, Second is the simulative calculation part by which we can able to calculate subsequent spatial and temporal history of most of the parameters, such as burning rate, local temperature, NO emission and soot etc, and according to this information, the best running condition for marine diesel engines can be decided. By comparing the experimental with calculated values for the engines, it is revealed that the model predicts with good accuracy engine performance and with reasonable accuracy nitric oxide emissions. Third is the expert diagnostic part, which is still not completed because of lacking of the data.
机译：本文提出了一种确定大中型柴油机运行状况和故障诊断的专家系统。该系统包括三个部分。首先是瞬态数据获取部分，通过它可以通过A / D转换电路获取引擎的必要参数，其次是模拟计算部分，通过它我们可以计算大多数参数的后续时空历史，例如燃烧率，局部温度，NO排放和烟灰等，根据此信息，可以确定船用柴油机的最佳运行条件。通过比较发动机的实验值和计算值，可以发现该模型预测的发动机性能具有良好的准确性，并具有合理的一氧化氮排放量。第三是专家诊断部分，由于缺少数据，该部分仍未完成。

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