FIELD: agriculture.
SUBSTANCE: invention relates to agriculture, in particular to a method for determining the resistance force of working machines. Additionally, when the tractor is moving without load and loaded with a reference mass at maximum crankshaft rotation speed, the fuel supply is cut off. During the overrun process, when the nominal rotational speed is reached, an IMD-type device measures negative angular accelerations of the crankshaft. According to the formulas obtained from the equations of motion of the tractor coasting without load and with an additional reference mass, determine the reduced mass of the tractor. According to the formulas obtained from the equations of motion of acceleration of the tractor without load and with an agricultural machine, determine the resistance force of the working machine.
EFFECT: increase in the accuracy of determining the reduced mass of the tractor is achieved.
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