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Development of New Gasoline Engine for ACCORD Plug-in Hybrid
Technical Paper
2013-01-1738
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The new 2.0L gasoline engine for ACCORD Plug-in Hybrid was developed as a next-generation Honda engine series. This engine's features are low fuel consumption and good emission performance.
Variable valve Timing and Electric Control (VTEC) system is applied to this engine, so we can have two characteristic cams, output cam and fuel economy (FE) cam. Output cam is narrow duration, used for power and engine starting. FE cam is wide duration, so it can get Atkinson cycle effect by late intake valve close timing (IVC). Cooled exhaust gas recirculation (Cooled-EGR) is applied to this engine. Low fuel consumption is achieved by combining VTEC and cooled EGR.
We made the improvement of control systems. First is the new control which can secure the pressure difference before and behind the EGR valve. As a result, EGR flow control performance is improved. Second is improvement of torque control. It can predict an engine torque decrease when ignition retard is carried out. We keep drivability and fuel consumption in severe condition. Last is the control which changes an operating point according to atmospheric pressure. It can keep low fuel consumption, if environmental change occurs.
New quick warm-up system for hybrid vehicle catalyst is developed. At engine starting, engine load was controlled by changing operation of the motor. It became possible to warm catalyst effectively. As a result, tail pipe emissions could be reduced and SULEV20 regulation was suited.
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Authors
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Citation
Yonekawa, A., Ueno, M., Watanabe, O., and Ishikawa, N., "Development of New Gasoline Engine for ACCORD Plug-in Hybrid," SAE Technical Paper 2013-01-1738, 2013, https://doi.org/10.4271/2013-01-1738.Also In
References
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- Kawamoto , N. , Naiki , K. , Kawai , T. , Shikida , T. et al. Development of New 1.8-Liter Engine for Hybrid Vehicles SAE Technical Paper 2009-01-1061 2009 10.4271/2009-01-1061
- Guzzella , L. and Onder , C. H. Introduction to Modeling and Control of Internal Combustion Engine Systems Springer 2009
- Ueno , M. , Akazaki , S. , Yasui , Y. , and Iwaki , Y. A Quick Warm-Up System During Engine Start-Up Period Using Adaptive Control of Intake Air and Ignition Timing SAE Technical Paper 2000-01-0551 2000 10.4271/2000-01-0551
- Higuchi , N. , Sunaga , Y. , Tanaka , M. , and Shimada , H. Development of a New Two-motor Plug-in Hybrid System SAE Technical Paper 2013-01-1476 2013