| 摘要:以ARM处理器为主要控制单元开发船用发动机示功图测试系统。该测试系统主控芯片具有集成度高、片内资源丰富、数据分析速度快、精度高，在高温和振动等工作环境下稳定工作的特点；外围电路设计简单，抗干扰性强。通过测量的各缸气缸压力示功图和特征参数计算结果的比较，可以准确有效地定位柴油机故障。试验验证表明:所开发的测试系统的功能和精度满足船用发动机气缸压力测量要求。 |
| 关键词: 船用发动机 气缸压力 测试系统 ARM微处理器 |
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| Development of Indicator Diagram Testing System Based onARM Microprocessor for Marine Diesel Engines |
| Wu Liuquan,Yu Yonghua,Zhang Lihao,Wan Biao,Yang Jianguo |
| School of Energy and Power Engineering,Wuhan University of Technology, Hubei Wuhan 430063;School of Energy and Power Engineering,Wuhan University of Technology, Hubei Wuhan 430063;Key Laboratory of Marine Power Engineering and Technology Granted by MOT, Hubei Wuhan 430063 |
| Abstract:The indicator diagram testing system for marine diesel engine which taking ARM microprocessor as main control unit has been developed, and its main control chip features high integration level, rich resources within the chip, high speed of data process, high accuracy, and stable operation under the working condition of high temperature and vibration ,and its peripheral circuit boasts simple design, and good anti-interference performance. By comparison of each cylinder's pressure indicator diagrams and characteristic parameter calculation results, the failure position could be determined accurately. Experimental results verify that the functions and accuracy of the developed test system could meet the demand of engine cylinder pressure measurement. |
| Key words: marine diesel engine cylinder pressure testing system ARM microprocessor |
