Chapter 8 Greggg: A Scalable High-performance, Low-cost Hospitality Robot - Thangiah, Sam R. (Verfasser); Karavias, Michael (Verfasser); Caldwell, Ryan (Verfasser); Wherry, Matthew (Verfasser); Seibert, Jessica (Verfasser); Wahbeh, Abdullah (Verfasser); Miller, Zachariah (Verfasser); Gessinger, Alexander (Verfasser) (Robots, Artificial Intelligence, and Service Automation in Travel, Tourism and Hospitality)