基于转矩安全的歧管泄漏研究和监控系统开发

付亚豪¹，杨帅^1，2*，刘海然³，邹超⁴，何栋明⁴

1.同济大学汽车学院，上海  201804；2.南昌智能新能源汽车研究院，江西 南昌  330000；

3.上海电子信息职业技术学院，上海  201411；4.菲亚特克莱斯勒动力科技研发(上海)有限公司，上海  201821

摘要：基于道路车辆功能安全国际标准，综合分析影响发动机转矩的因素和充气原理，建立发动机进气歧管泄漏监控系统的控制模型并对监控系统关键参数进行试验标定。结果表明：在不改变原有系统硬件的基础上，该控制模型能够准确地对歧管泄漏进行监控，保障发动机转矩安全。该监控系统可为当前大规模产业化交通工具的行车安全保障提供参考。

关键词：汽油机；歧管泄漏；转矩安全；监控系统；控制策略

Intake manifold leakage research and monitoring system developmentbased on torque security

FU Yahao¹, YANG Shuai^1,2*, LIU Hairan³, ZOU Chao⁴, HE Dongming⁴

1.Automobile College,Tongji University, Shanghai 201804,China;

2.Nanchang Automotive Institute of Intelligence & New Energy, Nanchang 330000,China;

3.Shanghai Technical Institute of Electronics Information,Shanghai 201411,China;

4.FCA Powertrain Technology (Shanghai) R&D Co.,Ltd.,Shanghai 201807,China

Abstract：Based on the international standards for functional safety of road vehicles, the factors affecting engine torque and the aircharging are comprehensively analysed, a control model of the engine intake manifold leakage monitoring system is established, and the key parameters of the monitoring system are tested and calibrated. The results show that:without changing the original system hardware, the control model can accurately monitor the leakage of the manifold and ensure the safety of the engine torque. The monitoring system can provide a reference for the safety of current large-scale industrialized vehicles.

Keywords:gasoline engine;manifold leakage;torque security;monitoring system;control strategy