Closed-Loop Control of an HCCI Engine
Closed-Loop Control of an HCCI Engine
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DOI：
10.4271/2001-01-1031
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发表时间：
2001-03
影响因子：
1.2
通讯作者：
Jan-ola Olsson;P. Tunestål;B. Johansson
中科院分区：
文献类型：
--
作者：
Jan-ola Olsson;P. Tunestål;B. Johansson
提出了一种多缸增压均质压燃(HCCI)发动机的闭环控制策略。双燃料喷口系统允许单独控制每个气缸的燃烧正时和负荷。使用的两种燃料是异辛烷和正庚烷，这两种燃料具有广泛的自燃特性。气缸压力传感器提供有关燃烧的反馈和信息。实时计算每个循环的50%放热角度，并用于定时反馈。低负荷时采用进气预热，以保持较高的燃烧效率。
This paper presents a strategy for closed-loop control of a multi-cylinder turbocharged Homogeneous Charge Compression Ignition (HCCI) engine. A dual fuel port injection system allows control of combustion timing and load individually for each cylinder. The two fuels used are isooctane and n-heptane, which provides a wide range of autoignition properties. Cylinder pressure sensors provide feedback and information regarding combustion. The angle of 50% heat release is calculated in real time for each cycle and used for timing feedback. Inlet air preheating is used at low loads to maintain a high combustion efficiency.