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군용 직렬형 하이브리드 전기 차량을 위한 회생제동 협조제어 시스템의 압력제어 영향에 관한 연구
정순규,최현석,Jeong, Soonkyu,Choi, Hyunseok 한국군사과학기술학회 2016 한국군사과학기술학회지 Vol.19 No.4
In this research, the effect of the pressure control of cooperative control system with regenerative brake for a military series hybrid-electric vehicle was studied. A cooperative control system with regenerative brake was developed to maximize regenerative energy from electric traction motors of the vehicle. However, the pressure control method of the system was modified to solve a time delay problem and it deteriorates the performance of the system. A Simulink model including the hybrid-electric components, the cooperative control system with regenerative brake, and the vehicle dynamics was developed and used to find a solution. The regenerative energy ratio with respect to the whole brake energy was increased in this research from less than 60 % to over 80 %.
직렬형 하이브리드 차량의 장거리 주행 연비 향상을 위한 순항 파워제어 알고리즘 및 실차 검증
정순규(Soonkyu Jeong),이상욱(Sangwook Lee),한규홍(Kyuhong Han),이윤복(Yoonbok Lee) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
Research on the series hybrid electric propulsion system in the field of military vehicles has been carried out because it has advantages such as high electric power exportability to mission equipment, low noise driving capability, as well as fuel economy. The series hybrid electric vehicles can increase fuel economy by operating engine/generator at its optimal operating point but it can cause excessive charge and discharge current to/from the high voltage battery and then heat problem, efficiency decrease, and life reduction. To solve this problems, by operating engine/generator at its optimal operating point at low vehicle speed, and by controlling engine/generator power to the sum of the driver"s power request and the vehicle"s board net power consumption, current to/from battery could be reduced and the vehicle"s efficiency increased. This paper provides the cruising power control algorithm and its real-vehicle test results which minimizes charge and discharge battery current at high vehicle speed and then reduces heat problems and increases efficiency.
고기동성 확보를 위한 직렬형 HEV의 파워트레인 용량 선정
고영관(Youngkwan Ko),김현섭(Hyunsup Kim),정유석(Yuseuk Jung),정순규(Soonkyu Jeong),최현석(Hyunseok Choi),이윤복(Yoonbok Lee),이형철(Hyeongcheol Lee) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
This paper proposes a design method to determine the specifications of the powertrain components (including the traction motors, the engine, the generator, the battery, the reduction gears) of the high mobility series hybrid electric vehicle (HEV) according to the vehicle required performances. The powertrain of the target series HEV consists of an internal combustion engine, a generator, a battery system, and two traction motors at the front and rear axles. The peak powers of traction motors are calculated based on the acceleration requirements and grade ability. The size of the engine and the generator are calculated to meet tow ability, and the size of the battery system is determined by silent driving requirement and grade ability. Reduction gear ratio of the traction motors are calculated according to the maximum cruise speed ability. The simulation model is developed by using the Cruise<SUP>®</SUP> and the simulation results show that determined powertrain specifications satisfy the required performances.
허건수(Kunsoo Huh),서문석(Munsuk Suh),김재용(Jaeyong Kim),정순규(Soonkyu Jeong),정정주(Chungchoo Chung),김일민(Ilmin Kim) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
Maintaining track tension in tracked vehicles minimizes the excessive load on the tracks and prevents the<br/> peal-off of tracks from the road-wheel, and adequately guarantees the stable and improved driving of the<br/> tracked vehicles. However, the track tension cannot be easily measured due to the limitation in the sensor<br/> technology, harsh environment, etc. In this study, the track tension is estimated in real-time from the<br/> measurable signals of tracked vehicles and controlled based on a fuzzy logic controller. The proposed control<br/> system is implemented on tracked vehicles and its performance is evaluated under various driving conditions.