Exploring Tele-Assistance for Cyber-Physical Systems with MAUI

In this paper we present an improved version of MAUI [9] (MAUI - Maintenance Assistance User Interface), extending the user-study, giving detailed insight into the implementations and introducing a new User-Interface for mobile use. MAUI is a novel take on tele-assisted tasks on cyber-physical systems. In its core we do not only provide real-time communication between workers and experts, but also allow an expert to have full control over the worker's user-interface. By precisely separating levels of our software-stack, we enable features like hot-patching and hot-loading of any content or web-based application. Our results show reduced error-rate on task performance once an expert takes over virtual task to relieve the worker. Conditions evaluated include the worker operating on his own and the worker being actively supported. While in operation gauges have to be read, switches to be press and virtual user-interfaces of machinery have to be controlled. Furthermore, we explore the creation of user-interfaces through a developer-study and use the feedback to create a mobile version of MAUI.