• Autonomous teamed exploration of subterranean environments using legged and aerial robots 

      Kulkarni, Mihir; Dharmadhikari, Mihir; Tranzatto, Marco; Zimmermann, Samuel; Reijgwart, Victor; De Petris, Paolo; Nguyen, Dinh Huan; Khedekar, Nikhil Vijay; Papachristos, Christos; Ott, Lionel; Siegwart, Roland; Hutter, Marco; Alexis, Konstantinos (Chapter, 2022)
      This paper presents a novel strategy for autonomous teamed exploration of subterranean environments using legged and aerial robots. Tailored to the fact that subterranean settings, such as cave networks and underground ...
    • CERBERUS in the DARPA Subterranean Challenge 

      Tranzatto, Marco; Miki, Takahiro; Dharmadhikari, Mihir; Bernreiter, Lukas; Kulkarni, Mihir; Mascarich, Frank; Andersson, Olov; Khattak, Shehryar; Hutter, Marco; Siegwart, Roland; Alexis, Konstantinos (Peer reviewed; Journal article, 2022)
      This article presents the core technologies and deployment strategies of Team CERBERUS that enabled our winning run in the DARPA Subterranean Challenge finals. CERBERUS is a robotic system-of-systems involving walking and ...
    • CERBERUS: Autonomous Legged and Aerial Robotic Exploration in the Tunnel and Urban Circuits of the DARPA Subterranean Challenge 

      Tranzatto, Marco; Mascarich, Frank; Bernreiter, Lukas; Godinho, Carolina; Camurri, Marco; Khattak, Shehryar; Dang, Tung; Reijgwart, Victor; Loeje, Johannes; Wisth, David; Zimmermann, Samuel; Nguyen, Dinh Huan; Fehr, Marius; Solanka, Lukas; Buchanan, Russell; Bjelonic, Marko; Khedekar, Nikhil Vijay; Valceschini, Mathieu; Jenelten, Fabian; Dharmadhikari, Mihir; Homberger, Timon; De Petris, Paolo; Wellhausen, Lorenz; Kulkarni, Mihir; Miki, Takahiro; Hirsch, Satchel; Montenegro, Markus; Papachristos, Christos; Tresoldi, Fabian; Carius, Jan; Valsecchi, Giorgio; Lee, Joonho; Meyer, Konrad; Wu, Xiangyu; Nieto, Juan; Smith, Andy; Hutter, Marco; Siegwart, Roland; Mueller, Mark; Fallon, Maurice; Alexis, Konstantinos (Journal article, 2021)
      Autonomous exploration of subterranean environments constitutes a major frontier for robotic systems as underground settings present key challenges that can render robot autonomy hard to achieve. This has motivated the ...
    • Marsupial Walking-and-Flying Robotic Deployment for Collaborative Exploration of Unknown Environments 

      De Petris, Paolo; Khattak, Shehryar; Dharmadhikari, Mihir; Waibel, Gabriel; Nguyen, Dinh Huan; Montenegro, Markus; Khedekar, Nikhil Vijay; Alexis, Konstantinos; Hutter, Marco (Chapter, 2022)
      This work contributes a marsupial robotic system-of-systems involving a legged and an aerial robot capable of collaborative mapping and exploration path planning that exploits the heterogeneous properties of the two systems ...
    • Present and Future of SLAM in Extreme Environments: The DARPA SubT Challenge 

      Ebadi, Kamak; Bernreiter, Lukas; Biggie, Harel; Catt, Gavin; Chang, Yun; Chatterjee, Arghya; Denniston, Christopher; Deschênes, Simon-Pierre; Harlow, Kyle; Khattak, Shehryar; Nogueira, Lucas; Palieri, Matteo; Petráček, Pavel; Petrlík, Matěj; Reinke, Andrzej; Krátký, Vít; Zhao, Shibo; Agha-mohammadi, Ali-akbar; Alexis, Konstantinos; Heckman, Christoffer; Khosoussi, Kasra; Kottege, Navinda; Morrell, Benjamin; Hutter, Marco; Pauling, Fred; Pomerleau, François; Saska, Martin; Scherer, Sebastian; Siegwart, Roland; Williams, Jason; Carlone, Luca (Peer reviewed; Journal article, 2023)
      This paper surveys recent progress and discusses future opportunities for Simultaneous Localization And Mapping (SLAM) in extreme underground environments. SLAM in subterranean environments, from tunnels, caves, and man-made ...