发动机失重法智能油耗测试技术  

Intelligent Fuel Consumption Testing Technology on Engine Based on Weight-loss Method

作　　者：付百学[1,2] 胡胜海 

机构地区：[1]哈尔滨工程大学,哈尔滨150001 [2]黑龙江工程学院,哈尔滨150050

出　　处：《中国机械工程》2011年第7期793-797,共5页China Mechanical Engineering

基　　金：黑龙江省科技攻关计划资助项目(GZ07A503)

摘　　要：针对国内外发动机油耗测试技术普遍存在的问题,结合国内外发动机油耗测试技术的研发水平及发展趋势,采用传感技术、单片机控制技术和显示技术,进行发动机油耗智能测试技术研究。确定发动机油耗的测试方法,基于测试原理建立发动机油耗测试系统的数学模型,根据油耗测试系统的功能要求,进行测试系统硬件设计、测试系统控制电路设计,编写了控制程序。测试系统能对汽油机、柴油机在道路上或室内进行稳态和动态油耗测试。通过理论误差分析和试验标定,该测试系统的油耗测试精度可达到0.4%。Aiming at the common problems of engines＇ fuel-consumption measuring and testing technology,combining with the domestic and foreign research level and development trend,adopting sensing technology,single chip microcomputer（SCM） control technology and display technology,a research of intelligent fuel-consumption testing technology was made.A mathematical model of engines＇ fuel-consumption testing system was established based on the testing principles;its hardware and steering circuit were designed in accordance with its functional requirements;its control procedures were programed to test petrol engine and diesel engine on the road or indoors in a steady-state and dynamic way.Through theoretical error analysis and experimental calibration,the accuracy of fuel-consumption testing can reach 0.4%.

关 键 词：发动机 测试仪器 设计 油耗 标定 

分 类 号：U279.3[机械工程—车辆工程]