In this article, a dynamical model for controlling an omniwheel mobile robot is presented. The proposed model is used to construct an algorithm for calculating control actions for trajectories characterizing the high maneuverability of the mobile robot. A description is given for a prototype of the highly maneuverable robot with four omniwheels, for which an algorithm for setting the coefficients of the PID controller is considered. Experiments on the motion of the robot were conducted at different angles, and the orientation of the platform was preserved. The experimental results are analyzed and statistically assessed.
This paper is concerned with the motion of an aquatic robot whose body has the form of a sharp-edged foil. The robot is propelled by rotating the internal rotor without shell deformation. The motion of the robot is described by a finitedimensional mathematical model derived from physical considerations. This model takes into account the effect of added masses and viscous friction. The parameters of the model are calculated from comparison of experimental data and numerical solution to the equations of rigid body motion and the Navier – Stokes equations. The proposed mathematical model is used to define controls implementing straight-line motion, motion in a circle and motion along a complex trajectory. Experiments for estimation of the efficiency of the model have been conducted.
В статье рассматривается кинематическая модель сфероробота, приводимого в движение расположенной внутри платформой с омниколесами. Представлены описание конструкции, алгоритм планирования траектории по разработанной кинематической модели, проведены экспериментальные исследования для типовых траекторий: движение по прямой и движение по окружности.
В статье рассматривается мультисенсорная информационно-измерительная система для реализации движения в недетерминированной среде на примере высокоманевренного мобильного робота с омниколесами. Приведены алгоритмы распознавания и исключения столкновения с динамическими препятствиями. Получена экспериментальная оценка разработанных алгоритмов для автономного движения мобильного робота по заданному маршруту.
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