GEOMETRIC CONTROL MODELS OF CARS’ EXHAUST GAS RECIRCULATION
Abstract
Ensuring compliance with requirements for the emission of harmful substances in accordance with the standard Euro-4 is one of the priorities in the design of devices associated with a reduction in toxicity of motors [1, 2]. Up to 60% of harmful emissions into the atmosphere accounts for road transport.
The use of modern information technologies of visualization and three-dimensional computer modeling of devices of systems intended for toxicity decrease of cars allows for a systematic analysis at any level of difficulty. The technical result of creation of threedimensional computer geometric models (hereinafter – TDCGM) means reduction in time and computing resources spent on the design. The objective of the author is to investigate a new technique for creation of geometric control models of EGR system.
The data for visual analysis with the help of 3D images of the EGR control system components are analyzed, the choice of software is justified and 3D modeling of recirculation valve for the car «Kalina-2» is conducted. In particular, there are improvements in layout scheme of recirculation valve, control parameters of its materials and weight and size characteristics. A method is proposed to simplify design and calculation of transient electromagnetic processes of synchronous stepper motor with permanent magnets, ensuring the operation of the valve.
The practical application of the method enables to reduce the timing of preliminary design stage, to improve the weight and size parameters, to calculate the transient electromagnetic processes for subsequent optimization of parameters of EGR system by criterion of reduced power losses of an automobile engine.
About the Author
A. E. Abbasov
Financial and Technological Academy, Korolev, Moscow region
Russian Federation
Ph. D. student at the department of information technology and control systems
Russian Federation
Ph. D. student at the department of information technology and control systems
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Review
For citations:
Abbasov A.E. GEOMETRIC CONTROL MODELS OF CARS’ EXHAUST GAS RECIRCULATION. World of Transport and Transportation. 2015;13(1 (56)):182-191.
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