Inspec keywords: service robots; collision avoidance; mobile robots; medical robotics; robot vision; search problems; hospitals; multi-robot systems; directed graphs; path planning

Other keywords: structured hospital environment; corridor path; multirobot path planning algorithm; mixed path planning algorithm; hospital robot move; corridor environment; multiple hospital robots; room path; graph search algorithm; room environment; multirobots path planning problem

Subjects: Mobile robots; Spatial variables control; Optimisation techniques; Combinatorial mathematics; Biological and medical control systems