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The Estimation of Main Parameters of the Power Plant and Electromechanical Powertrain for the Wheeled Vehicle


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DOI: https://doi.org/10.15866/ireme.v14i2.18262

Abstract


On the example of a wheeled tractor of the fourth traction class, the possibility of increasing the traction properties of a transport or transport-technological machine through the use of a two-streamed electromechanical transmission has considered. The relevance of the topic is due to the duration and high cost of conducting the design and manufacture cycle for the production of automatic and automated transmissions, as well as the industry's need for the operational expansion of the line of commercially available chassis of traction machines with the most unified transmission. The purpose of the work is to propose for the case of increasing the tractor traction class, a kinematic transmission scheme that minimizes interference in the design of the transforming mechanism (gearbox). Questions to be solved: to analyze the options for constructing a kinematic scheme of the modernized transmission and offer the most promising in prevailing conditions; propose principles for determining the basic parameters of transmission units. In carrying out the work, authors used the experience of developing two-streamed mechanical and electromechanical transmissions of transport tracked vehicles, hybrid mechanisms for power distribution of wheeled vehicles, and mechanisms for transforming robotic platforms of mobile robots with electric traction. The central issues of the work: the authors proposed variants of the kinematic scheme of such transmission, their comparative advantages and disadvantages were analyzed; proved the decision of a technical solution that is most reasonable in organizing mass production; The principles of determining the basic parameters of transmission units developed according to the chosen scheme has been proposed. The stated estimation methods and the considered technical solutions are universal and can be implemented in the production of wheeled and tracked vehicles for various purposes (transport vehicles, trucks and tractors, road-building equipment, mobile energy platforms, special vehicles, mobile (including autonomous) robots. The results are original, and the proposed technical solutions are innovative. The work was performed at Peter the Great St. Petersburg Polytechnic University.
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Keywords


Wheeled Tractor; Power Distribution Mechanism; Two-Stream Electromechanical Transmission; Slip Control

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