Abstract
Improving the traction properties of mobile power tools is one of the most important tasks of modern tractor construction. The use of transport-technological modules (TTM) helps to solve this problem, but to ensure the best indicators of fuel economy and stabilization of a machine-and-tractor unit (MTU), the TTM driving wheels should be driven individually, which can be ensured by a microprocessor control system. Therefore, the study goal is to make an algorithm for controlling the driving wheels of the TTM, which will ensure the best characteristics of a MTU. To achieve this goal, the authors used mathematical modeling and graph-analytical methods. They are necessary for stating the main relationships and setting algorithm conditions that will optimize a tractor’s traction force and power consumption, as well as stabilize its movement trajectory. The operation of the microprocessor system consists in obtaining data from external sensors and determining the actual speed, skidding and direction of travel. The microprocessor system compares these parameters with ideal conditions, described with mathematical relationships, and based on the developed algorithm, corrects the rotation speed and power distribution between the driving wheels of a TTM.
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