Application of Compensation Algorithms to Control the Speed and Course of a Four-Wheeled Mobile Robot.

This article presents a tuned control algorithm for the speed and course of a four-wheeled automobile-type robot as a single nonlinear object, developed by the analytical approach of compensation for the object's dynamics and additive effects. The method is based on assessment of external effects and as a result new, advanced feedback features may appear in the control system. This approach ensures automatic movement of the object with accuracy up to a given reference filter, which is important for stable and accurate control under various conditions.

Effect of the Dislocation Substructure Parameters of Hadfield Steel on Its Strain Hardening.

This article presents a study of changes in the microstructure of Hadfield steel depending on the tensile deformation and cold rolling with the strain/stress level. It has been established that the change in the "σ-ε" curve (at ε = 5%) is accompanied by a 1.5-times decrease in the strain-hardening coefficient.