Traffic Signal Smooth Leading Control Method
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Oct 12, 2020
filing date -
Oct 12, 2020
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Abstract
A traffic signal lead green-wave optimization control method, concerns traffic signal control, main steps includes: 1) determine lead direction and lead road channel; 2) determine lead reference intersection and phase; 3) compute smooth lead intersection phase offset. Advantage: subtracting safety brake-to-stop time from intersection lead green wave phase offsets makes that vehicles led obtain green lights turn-on in advance before stop-lines of front intersections in the green-wave lead road channels, smoothly drive pass front intersections, avoiding vehicles' driving fluctuation of brake, speed-down, stop at stop-line, lessens vehicle intersection pass time, improves efficiency of traffic.
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