Control System Development for Gasoline HCCI Engine Which Based on Heat Management
Control System Development for Gasoline HCCI Engine Which Based on Heat Management
复制标题
DOI：
10.1007/978-3-642-33841-0_7
复制
发表时间：
2013
期刊：
影响因子：
--
通讯作者：
Zhang Jianyong;Zhen Huang;Yin Qi;Sheng Yitao;Chen Lin;Lv Shiliang
中科院分区：
文献类型：
--
作者：
Zhang Jianyong;Zhen Huang;Yin Qi;Sheng Yitao;Chen Lin;Lv Shiliang
均质充量压燃（HCCI）技术在汽油机上显示出巨大的燃油经济性潜力。本项目开发了一台基于优化热管理的4缸1.5 L PFI汽油机，采用HCCI和SI燃烧模式。废气能量和冷却剂能量用于尽快将进气加热到合适的温度。采用废气涡轮增压器和EGR技术来扩大HCCI的工作范围。此外，气缸压力传感器用于燃烧反馈控制和气缸平衡控制。针对这一复杂的系统，本文设计了一种新型的HCCI控制系统。控制系统由两个ECU组成，一个ECU负责缸内压力传感器处理，真实的计算燃烧特征值，并通过CAN总线发送给主ECU;另一个ECU作为主ECU，负责控制喷油系统、点火系统、热管理系统等。开发了基于CA 50的气缸平衡算法，优化了发动机的排放和性能。通过优化的热管理系统和控制系统算法，HCCI发动机在部分负荷下可以获得20%的燃油经济性效益，并且通过涡轮增压器和EGR技术的结合，可以达到更宽的工作范围。
Homogenous Charge Compression Ignition (HCCI) technology shows a great fuel economy potential for gasoline engine. In the project, a 4-cylinder 1.5 L PFI gasoline engine with HCCI and SI combustion mode was developed based on optimized heat management. The exhaust gas energy and coolant energy are used for heating intake air to suitable temperature as soon as possible. The exhaust turbocharger and EGR are used to expand HCCI operating range. Also cylinder pressure sensors are used for combustion feedback control and cylinder balance control. For this HCCI prototype engine, an innovative control system was developed for this complicated system. Control System has two ECUs, one ECU is for cylinder pressure sensor processing, which calculate combustion character values in real time and send to main ECU by CAN bus; another ECU is main ECU, which control injection system, ignition system, heat management system, etc. The control algorithm for mode transition between HCCI and SI was developed. Cylinder balanced algorithm base on CA50 was also developed to optimize emission and engine performance. By the optimized heat management system and control system algorithm, the HCCI engine can get 20 % fuel economy benefit in HCCI mode in part load, and also reach a wider operating range by the combination of turbocharger and EGR technology.