基于模型的发动机涡轮增压控制方法

• Format: Patent
• Language: Chinese
• Published: 05.10.2016
• Subjects: BLASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MECHANICAL ENGINEERING; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

本发明涉及种基于模型的发动机涡轮增压控制方法，其特征在于：压气机能量计算模型，涡轮机能量计算模型，压气机与涡轮机能量平衡模型，弹簧连杆以及废气旁通阀流量模型，通过建立压气机与涡轮机能量平衡模型来得到增压压力与流过废气旁通阀的废气流量的关系，之后利用弹簧连杆以及废气旁通阀流量模型来对这个废气流量进行控制，从而控制涡轮的能量输出，最终控制增压压力；其使增压控制系统实现更快的系统响应，同时进步节省台架标定时间，并且增加控制算法的可移植性。