CAJ | 학술논문

研发了一种专门用于汽车驱动桥传动效率测试的试验台。使用该试验台进行测试分析，可以明确影响驱动桥传动效率的关键因素，发现各因素对驱动桥传动效率的影响规律，从而找到提高驱动桥传动效率的有效途径，这对于提高汽车动力性和燃油经济性具有十分重要的意义。该试验台采用模块化结构设计，具有安装简便、调整方便、自动化程度高的特点。该试验台采用直接转矩控制来进行转矩和转速控制，利用谐波传动和行星传动技术实现了动态加载，利用直流母线技术实现了系统功率封闭。测试结果表明：该试验台测试结果准确，完全满足驱动桥传动效率的测试要求。
연발료일충전문용우기차구동교전동효솔측시적시험태。사용해시험태진행측시분석，가이명학영향구동교전동효솔적관건인소，발현각인소대구동교전동효솔적영향규률，종이조도제고구동교전동효솔적유효도경，저대우제고기차동력성화연유경제성구유십분중요적의의。해시험태채용모괴화결구설계，구유안장간편、조정방편、자동화정도고적특점。해시험태채용직접전구공제래진행전구화전속공제，이용해파전동화행성전동기술실현료동태가재，이용직류모선기술실현료계통공솔봉폐。측시결과표명：해시험태측시결과준학，완전만족구동교전동효솔적측시요구。
A test bench was developed for transmission efficiency testing .With this test bench ,the key factors that had impacts on the transmission efficiency of automobile drive axle could be found ,the influence regularity of these factors on the transmission efficiency could be determined ,and finally ,an effective method to improve transmission efficiency was proposed ,which had very important signifi-cance to improve the dynamic performance and fuel economy of automobile .Adopting the modulariza-tion design ,the test bench has the advantages of quick installation ,convenient operation and high auto-mation degree .The torque and speed controls of the test bench were achieved through direct torque control ,dynamic loading was realized through harmonic drive and planetary transmission ,and system energy feedback was brought to a reality through DC bus technology .The practice indicates that the control precision of the test bench has achieved the anticipated target .