Towards staircase navigation and maintenance using self-reconfigurable service robot. - Anh Vu Le; Tan Li Ann Pamela; Abdullah Aamir Hayat; Bharath Rajiv Nair; Phone Thiha Kyaw; Minh Bui Vu; Dinh Tung Vo; Mohan Rajesh Elara (Expert Syst. Appl., 2025)