Abstract
With the development of auto technology, efficiency and environmentally friendly technology is more and more attention by all OEM. This paper has made a brief description about cylinder deactivation (CDA) technology. In the development, it can rapidly design by the CAE simulation and provide the guide of experiment. The cylinder deactivation technology can improve fuel economy at light load. It applies to a four-cylinder engine for fuel economy test of CDA. The cylinder deactivation technology control strategy which should meet the requirements of performance, fuel economy and emission. Meanwhile, it’s sensitivity to NVH that calculating the fuel economy with and without cylinder deactivation in the various operating modes: warm-up after cold start, idle, and low engine speed, All speculations are based on engine dynamometer data and combined with a series of computer simulation of various test cycles.
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Abbreviations
- BSFC:
-
Brake specific fuel consumption
- CDA:
-
Cylinder deactivation
- CAM:
-
Camshaft
- DFLHA:
-
Dual feed hydraulic lash adjuster
- DOHC:
-
Dual overhead camshaft
- DVVL:
-
Double-variable valve lift
- ECU:
-
Engine control unit
- FB:
-
Fuel benefit
- GDI:
-
Gasoline direct injection
- HLA:
-
Hydraulic lash adjuster
- NVH:
-
Noise, vibration and harshness
- OCV:
-
Oil control valve
- PWM:
-
Pulse-width modulation
- RFF:
-
Standard roller finger follower
- SRFF:
-
Switching roller finger follower
- TC:
-
Turbocharger
- TGDI:
-
Turbocharger gasoline direct injection
- TDC:
-
Top dead centre
- VVA:
-
Variable valve actuation
- VVT:
-
Variable valve timing
References
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Acknowledgements
The authors would like to acknowledge the support of GEELY Corporation team colleagues that helped make this work possible. The authors acknowledge the support from the GEELY Engineering, Prototype, Metrology and Testing Departments.
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Zhang, M. et al. (2019). The Research of Cylinder Deactivation Technology on Gasoline Engine. In: (SAE-China), S. (eds) Proceedings of the 19th Asia Pacific Automotive Engineering Conference & SAE-China Congress 2017: Selected Papers. SAE-China 2017. Lecture Notes in Electrical Engineering, vol 486. Springer, Singapore. https://doi.org/10.1007/978-981-10-8506-2_7
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DOI: https://doi.org/10.1007/978-981-10-8506-2_7
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