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- W3146848579 abstract "Abstract The orientation and the angular rates of the body of a robotic vehicle are required for guidance and control of the vehicle. In the current robotic systems these quantities are obtained by the use of inertial sensing systems. Inertial sensing systems involve drift errors which can be significant even after the vehicle has traversed only short distances on the terrain. A different approach is suggested here which guarantees accurate, drift-free sensing of the angular position and rates of the vehicle body. A camera system consisting of two cameras in fixed relationship to one another is made to continuously track two stationary objects. The camera system is mounted on the vehicle body through an actuated three degree of freedom joint. The angular positions and rates of these joints can be used to evaluate the angular positions and rates of the vehicle body. An approximate estimate of the position of the vehicle on the terrain can also be obtained from the sensing system. This can serve as primary system for estimating the vehicle position, or as a backup to a more accurate scheme for obtaining the position of the vehicle on the terrain." @default.
- W3146848579 created "2021-04-13" @default.
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- W3146848579 date "1992-09-13" @default.
- W3146848579 modified "2023-09-26" @default.
- W3146848579 title "A Drift-Free Navigation System for a Mobile Robotic Vehicle Operating on Unstructured Terrain" @default.
- W3146848579 doi "https://doi.org/10.1115/detc1992-0241" @default.
- W3146848579 hasPublicationYear "1992" @default.
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