![]() ![]() The omnidirectional mobile robot has a double-frame structure, which adsorbes on the aircraft surface by suction cups. The AMR was co-developed by the Technical University of Kosice, Slovakia.In this paper, an adaptive terminal sliding mode control scheme for an omnidirectional mobile robot is proposed as a robust solution to the trajectory tracking control problem. One of them is a UV light system that is able to kill germs, viruses, and disinfect the environment. Its variability makes it suitable for many applications and resides in the fact that is can be combined with various add-on modules. In this particular use case, the mobile robot can carry up to 100 kg and pull up to 350 kg of medical stuff and other materials. In addition to this, the robot enables the setting of adaptive safety zones. ![]() The laser scanner prevents collisions with objects up to 200 mm above the surface and the 3D camera does so significantly above the safety layer. This is thanks to the fact that the robot checks its surrounding environment 33 times per second and its system is able to detect obstacles every 30 ms with a minimum width of 30 mm. It reaches its destination without posing any risk of colliding with other objects or people. Though it can move very fast, it is absolutely safe, meeting the requirements of the safety class SIL2 PL.d Category 3. The AMR was designed to meet the hospital requirements, such as dimensions of elevators. The robot allows trajectory creation with custom curves and instant map redrawing. The laser scanner area covers 360°, and the body of the robot has an interchangeable front and rear with a zero turning radius, which allows reversible movement. Because the robot understands its surroundings, it can operate very flexibly and reliably. This is of great benefit as such robust solutions are rather susceptible to damage or need to be rebuilt in case of changes in the trajectory. Thanks to this, it does not require any wires, magnetic tapes attached to the floor, nor any other infrastructure adjustments. The robot can autonomously navigate itself on the basis of a lidar, 3D camera, and a virtual map - throughout the individual floors as well as between them, getting in and off the elevators. The need to enter hospital zones with special restrictions or quarantine areas has been eliminated to a significant degree. Saving the employees’ time and energy, and enabling a safe distribution of drugs and other materials without personal contact has become more important than ever. With the outbreak of COVID-19, the potential of the robot was extended to unprecedented levels. This allowed the hospital to free its staff for tasks necessarily requiring the human workforce. The robot was primarily aimed at unburdening employees of heavy material handling, as well as at saving time and increasing efficiency. The AMR helps the hospital staff transport pharmaceuticals, medical equipment, and other stuff between the individual hospital departments based on eleven stories. The facility has been using an AMR manufactured by a Slovak company for some time now, and its importance increased with the outbreak of the virus. One of them is a hospital located in Kosice, Slovakia. Hospitals around the globe have been deploying AMRs to keep their workers and patients safe. A small assistant saving time and maintaining safetyĪMRs equipped with UVD units or helping with safe distribution of medical materials in hospital quarantine zones have lately been at the forefront of automation. And their assistance became priceless with the outbreak of COVID-19.ĪMRs (autonomous mobile robots) have also joined the coronavirus response and support hospitals, production facilities, and warehouses to maintain the continuity of their processes. They help unburden workers of repetitive and dangerous tasks, increase productivity and reliability, and save costs. Service Robots/ Robots and COVID-19 Autonomous Mobile Robot for Transport and Delivery of Material Robot relieves Hospital Staff The role of robots becomes increasingly important with the growing need for automation. ![]()
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