Vehicle speed control apparatus and method
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United States of America Patent
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Dec 1, 1987
Grant Date -
N/A
app pub date -
Nov 28, 1984
filing date -
Nov 28, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A passenger vehicle is provided for movement along a track having an input speed command including ONE and ZERO information components to control the vehicle speed. A first control apparatus including at least a first microprocessor is responsive to the ONE and ZERO information components for providing first and second speed error signals. A second control apparatus including at least a second microprocessor is responsive to the ONE and ZERO information components for providing third and fourth speed error signals the first control apparatus compares the first, second, third and fourth speed error signals for controlling the vehicle and the second control apparatus compares the first, second, third and fourth speed error signals for controlling the vehicle.
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