1
Alison K Brown, W Michael Bowles, Tom P Thorvaldsen: Attitude sensing system. The Charles Stark Draper Laboratory, Weingarten Schurgin Gagnebin & Hayes, June 28, 1988: US04754280 (46 worldwide citation)

An attitude sensing system which incorporates the precision in attitude sensing of a satellite navigation system with the dynamic tracking capabilities of an inertial measurement unit. Optimally estimated attitude and system error signals are combined with the outputs of an inertial measurement unit ...


2
Michael E Ash, Paul A DeBitetto, Tom P Thorvaldsen: Compact navigation system and method. The Charles Stark Draper Laboratory, Iandiorio & Teska, July 19, 2005: US06918186 (26 worldwide citation)

A compact navigation system for a rover is provided. The navigation system includes a housing configured to be transported by the rover; a gimbal system having two or more gimbals that includes at least an outer gimbal connected to the housing and an inner gimbal nested in and connected to the outer ...


3
Michael E Ash, Paul A DeBitetto, Tom P Thorvaldsen: Compact navigation system and method. Iandiorio & Teska, February 3, 2005: US20050022402-A1

A compact navigation system for a rover is provided. The navigation system includes a housing configured to be transported by the rover; a gimbal system having two or more gimbals that includes at least an outer gimbal connected to the housing and an inner gimbal nested in and connected to the outer ...