APPARATUS AND METHOD FOR ENGINE CONTROL OF COMMERCIAL VEHICLE

• Main Authors: LEE JIN HAN, KIM JU HYUN, SHIN JAE SEOK, CHOI KWON SICK, CHOI BYUNG GWI, HAN SEUNG CHEOL, CHOI IN YUB
• Format: Patent
• Language: English; Korean
• Published: 06.12.2022
• Subjects: BLASTING; COMBUSTION ENGINES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

The present invention comprises a temperature measuring unit for measuring temperature information of an SCR catalyst for reducing nitrogen oxides of exhaust gas discharged from an engine combustion chamber of a vehicle, a slope measuring unit for measuring slope information of the vehicle, an acceleration measuring unit for measuring acceleration information of the vehicle, and a control unit for, when the temperature information is less than a predetermined set temperature and it is determined that the vehicle is traveling in a downhill area based on the slope information and the acceleration information, checking the state of the vehicle and driver's will and allowing engine control in an exhaust gas heat insulating mode to be performed. 본 발명은 차량의 엔진 연소실에서 배출되는 배기가스의 질소산화물을 저감시키기 위한 SCR 촉매의 온도 정보를 측정하는 온도 측정부, 상기 차량에 대한 기울기 정보를 측정하는 기울기 측정부, 상기 차량에 대한 가속도 정보를 측정하는 가속도 측정부 및 상기 온도 정보가 미리 설정된 설정 온도 미만이면서, 상기 기울기 정보 및 상기 가속도 정보를 통하여 상기 차량이 내리막 구간을 주행중인 것으로 판단되면, 차량 상태 및 운전자 의지를 확인하여 배기가스 보온 모드의 엔진 제어가 수행되게 하는 제어부를 포함한다.