Apparatus and method for a mobile navigation computer
First Claim
1. An apparatus for computation in a mobile environment comprising a computer architecture with processing means, a data bus network, means for reading and writing to memory, and means of inputting and outputting data, wherein:
- said architecture manages data acquisition and data dissemination in the mobile environment; and
said architecture manages data acquisition and data dissemination between between single or multiple line replacement units.
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Abstract
The present invention provides an apparatus and method for a robust and configurable mobile computer architecture with navigation computational capabilities. The present invention further provides a bus network which allows for an efficient and durable Input/Output (I/O) management system. The I/O management system has configurable connections to allow for modular addition, expansion, or replacement of navigation, crash detection, and communication line replacement units (LRUs). Additional I/O device connections allow several modes of input into the computational system. The present invention is a single, self-contained unit and provides an accessible user interface to the computer system.
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Citations
16 Claims
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1. An apparatus for computation in a mobile environment comprising a computer architecture with processing means, a data bus network, means for reading and writing to memory, and means of inputting and outputting data, wherein:
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said architecture manages data acquisition and data dissemination in the mobile environment; and said architecture manages data acquisition and data dissemination between between single or multiple line replacement units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for determining the position of a mobile user. comprising:
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an a priori estimate of position and velocity in a coordinate system; a computer system and architecture with processing means to determine a mobile user'"'"'s position and velocity within the same said coordinate system based upon signals received from a plurality of satellites; and same said computer system and architecture executing a statistical analysis algorithm which provides an enhanced mobile user position and velocity by incorporating correction terms to the initially calculated, satellite derived position and velocity by a method comprising the steps of; comparing the initially calculated, satellite derived position and velocity with the position of virtually known base stations to determine if the initially calculated position is within some predetermined distance; calculating correction terms for position and velocity if within the predetermined distance of a virtually known base station position; and determining subsequent positions and velocities by applying the correction terms to the positions and velocities calculated from the signals received from a plurality of satellites. - View Dependent Claims (12, 13)
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14. A method for detecting the occurrence and characteristics of sudden changes in acceleration of a mobile user, comprising
two or more sensing units which are skewed relative to each other; - and
said sensing units calculate any sensed accelerations in multiple coordinate systems for the purposes of improving acceleration detection reliability and identifying faulty sensing units. - View Dependent Claims (15, 16)
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Specification