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26a
: 22 243 22
I GPS1 GPS2 GPS3
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I Calculating DGPS and Uses carrier phase Can be used to
I sending carrier phase info from other calculate 3rd
I info receiver (or base) to
I calculate 2 - d vector redundancy
I I
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I I F 100 (30, 30b
I Controller which has Rate Gyro(s), oriented
: desired path stored to < with antennas
I calculated and runs
: steering algorithm 4
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28 e ’
Output to control vehicle can be a
digital message, in fly by wire
system, or relays to drive hydraulic
control, or analog voltage to
control proportional systems.
Feedback may be provided, as in
safety cutoffs, and turn limits, etc.
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