基于分布式油源的刹车技术研究  

Research on Electrohydraulic Actuator Brake System with Distributed Oil Source

作　　者：何学工 李祥阳 闵丽 HE Xue-gong;LI Xiang-yang;MIN Li(AVIC XI'AN AVIATION BRAKE TECHNOLOGY CO.,LTD.,Xi'an 710065,China)

机构地区：[1]航空工业西安航空制动科技有限公司,陕西西安710065

出　　处：《液压气动与密封》2020年第11期47-50,共4页Hydraulics Pneumatics & Seals

摘　　要：该文在对飞机刹车系统的发展状况进行详细调研的基础上,针对飞机刹车系统设计了一种新型分布式油源刹车系统,该方案为定排量变转速型,即泵定排量、电机转速可调。完成了系统核心部件电液刹车模块EHBM数学模型的建立与仿真,设计了无刷直流电机的电流转速双闭环控制方案,并进行了原理样机的设计和试验,结果表明系统具有良好的动态性能,可以快速、准确地跟踪期望刹车压力,能够完全满足刹车系统设计要求。论文最后对分布式油源刹车系统的试验结果进行了总结,并对系统发展进行了展望,指出该系统广阔的发展前景。On the basis of researching detailedly the development of aircraft brake system,a new type distributed oil sources brake system is designed for aircraft brake system in this article.This scheme will offer constant pump displacement and variable rotating speed,this is,pump displacement is constant,and motor rotating speed is adjustable.After the establishment and simulation of EHBM mathematic model for system key parts electrohydraulic brake module are completed,dual closed-loop control scheme of current rotating speed is designed for brushless DC motor,and principle prototype is designed and tested.The results show that the system can provide good dynamic performance,and can rapidly and correctly trace anticipant brake pressure;therefore,designed system is capable of satisfying fully design requirement of the brake system.Ultimately,test result of distributed oil source brake control system is concluded,and vision of system is prospected in this article,which shows that this system will have a bright future.

关 键 词：防滑刹车 电液刹车模块 无刷直流电机 分布式油源 

分 类 号：TH137[机械工程—机械制造及自动化]