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통합로직 개발환경 구축을 통한 전자제어식 주차 브레이크 시스템 개발
전재우(Jaewoo Jeon),정하민(Hamin Jung),박인욱(Inuk Park),박창훈(Changhoon Park),천재승(Jaeseung Chun) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The main classification of Electric Parking Brakes (EPB) can be made into cable puller and caliper integrated types. In this paper, the main design considerations that need to be made for each type of system will be examined. In terms of software, a unified software structure that can incorporate both types of EPBs will be introduced. This unified approach, made up of fixed and variable modules, allows for more efficient software development for both types of EPB systems. The fixed modules are related to the identical target functions regardless of EPB type, while the variable modules are made up of the different considerations that need to be made depending on the EPB type in order to meet such targets. Finally, some test results of target functions for both types of EPB systems will be given..
현동윤(Dongyoon Hyun),김용필(YongPhil Kim),김인수(InSu Kim),정종윤(JongYun Jeong),전범준(BumJoon Chun),김현기(HyunKi Kim),천재승(JaeSeung Chun) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
An electric-hydraulic combi-brake system with hydraulic wheel brakes at the front axle and electromechanical brakes at the rear axle is presented. The capacites and sizes of the vacuum booster and master cylinder for these front hydraulic brakes are designed to provide the same brake performance as the conventional hydraulic brake system. The rear electromechanical brakes in this system are designed to include a BLDC motor, gear train, and a screw mechanism. The clamping forces of these electromechanical brakes are controlled using the ideal braking force distribution curve for front and rear brakes. It is verified via actual vehicle tests that the developed combi-brake system gives good performance such as an 7+ brake feel, a 44.9 m braking distance at 100kph , parking performance at a 33% hill, etc.