Journal ArticleDOI
Development of a new fully flexible hydraulic variable valve actuation system for engines using rotary spool valves
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TLDR
In this article, a new hydraulic variable valve actuation (VVA) system is proposed and designed, which can significantly improve the engine performance in terms of the power density, volumetric efficiency, emission, and fuel consumption.About:
This article is published in Mechatronics.The article was published on 2017-10-01. It has received 32 citations till now. The article focuses on the topics: Valve timing & Valve actuator.read more
Citations
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Journal ArticleDOI
A comparative study on methanol/diesel and methanol/PODE dual fuel RCCI combustion in an automotive diesel engine
TL;DR: In this article, an attempt was made to study and compare the effect of Methanol/Diesel and methanol/PODE RCCI combustion in a 3-cylinder, turbocharged, CRDI, diesel engine.
Journal ArticleDOI
A novel nonlinear road profile classification approach for controllable suspension system: Simulation and experimental validation
TL;DR: A road classification procedure that can be used for road adaptive suspension control with any control algorithm is developed and the concept of insensitive index which is based on the time-frequency analysis is proposed.
Journal ArticleDOI
A review of the application of variable geometry turbines to the downsized gasoline engine
TL;DR: Turbocharging is a proven method of improving fuel economy by using a smaller engine operating at higher levels of specific engine load and higher efficiency as discussed by the authors. But it is not suitable for small engines.
Journal ArticleDOI
Realization of variable Otto-Atkinson cycle using variable timing hydraulic actuated valve train for performance and efficiency improvements in unthrottled gasoline engines
TL;DR: By using the flexibility offered by the hydraulic actuated valve train (HAVT), a set of new valve motion strategies is developed for realizing a newly introduced engine cycle, the variable Otto-Atkinson cycle (VOAC), to achieve an unthrottled engine load control.
Journal ArticleDOI
Improving energy efficiency and robustness of a novel variable valve actuation system for engines
TL;DR: A new variable valve actuation (VVA) system, which is optimized to pursue the minimum energy consumption and the minimum sensitivity of the valve lift to cycle-to-cycle variations of engine pressure, is presented.
References
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Book
Genetic algorithms in search, optimization, and machine learning
TL;DR: In this article, the authors present the computer techniques, mathematical tools, and research results that will enable both students and practitioners to apply genetic algorithms to problems in many fields, including computer programming and mathematics.
Journal ArticleDOI
A simplex method for function minimization
John A. Nelder,R. Mead +1 more
TL;DR: A method is described for the minimization of a function of n variables, which depends on the comparison of function values at the (n 41) vertices of a general simplex, followed by the replacement of the vertex with the highest value by another point.
BookDOI
Adaptation in Natural and Artificial Systems: An Introductory Analysis with Applications to Biology, Control and Artificial Intelligence
TL;DR: Initially applying his concepts to simply defined artificial systems with limited numbers of parameters, Holland goes on to explore their use in the study of a wide range of complex, naturally occuring processes, concentrating on systems having multiple factors that interact in nonlinear ways.
Book
Adaptive Control
TL;DR: Benefiting from the feedback of users who are familiar with the first edition, the material has been reorganized and rewritten, giving a more balanced and teachable presentation of fundamentals and applications.
Journal ArticleDOI
Optimum Settings for Automatic Controllers
J. G. Ziegler,N. B. Nichols +1 more
TL;DR: In this paper, the three principal control effects found in present controllers are examined and practical names and units of measurement are proposed for each effect and corresponding units for a classification of industrial processes in terms of two principal characteristics affecting their controllability.
Related Papers (5)
Dynamic Simulations and an Adaptive Valve Timing Control for a Camless Engine Valve Actuator
Kanghyun Nam,Seibum B. Choi +1 more