Bondar A. Increase of controllability of wheel tractors by use of an adaptive steering.

In work the way of reception of variable transfer number of the steering mechanism of a tractor depending on working speed of the mashinno-tractor unit (МТU) during performance of agricultural technological operation is investigated. It is developed mathematical model of process of movement МТU along a base line which gives possibility to estimate work quantity indicators - good quality and a root-mean-square deviation. The computer simulator which gives possibility to spend virtual arrival in an interactive mode is developed. On the basis of the received results the maximum speed of movement МТА has been defined. The received results of research are used in agricultural enterprise DP DG "Izvestiya" NAAN, educational laboratories and educational process ТGATU. Keywords: a steering, the transfer relation, good quality, a base line, the operator, a vehicle, a mode, speed.