International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

Downloads: 120 | Views: 182

Research Paper | Mechanical Engineering | Malaysia | Volume 4 Issue 8, August 2015

State-Space Formulation for a CNG Converted Diesel Engine Variables?

Muhidin B. Arifin | T.Y. Ong | Abdul A. Hassan

Abstract: The conversion of diesel engine into compressed natural gas converted engine provides short term measure in mitigating the rising fuel cost, minimizing the emission and maintaining the current engine performance based on the market demand. The compressed natural gas converted engine is done successfully from various types of diesel engines with various engine displacements and variables. The conversion kits are commercially off the shelf items which include sensors and pressure regulators. These components are integrated into a working system. This is the most practical approach as the components come from various sources which are limited in their availability. Although the system works but it does not functioning at the optimum condition. Therefore, a robust control algorithm with the consideration of inputs from each engine variables and external disturbances are designed and introduced to control an ignition compression engine which is converted from diesel engine. This converted diesel engine is fuelled with compressed natural gas (CNG), and this engine is to be called CNG Converted Diesel Engine (CCDE). The proposed robust control algorithm is developed based on State-Space Equations from each engine variables. This paper presents on how state-space equations are formulated.

Keywords: engine variables, system modelling, time variant, linearization, state-space equation

Edition: Volume 4 Issue 8, August 2015,

Pages: 800 - 815

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