For traffic signal control in a T junction: ·         Provide the allocation List                                                                                   ·         Draw the Grafcet and obtain the grafcet equation                                               ·         Develop the ladder programming from the grafcet                                              Figure below shows the T junction with three traffic signals. Each traffic light cycles through red (i.e. stop) time depends on the other two signals, red & amber (i.e. get ready to go) for 5 seconds, green (go) for 20 seconds, and amber (stop if safe to do so) for 5 seconds.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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  1. For traffic signal control in a T junction:

·         Provide the allocation List                                                                                  

·         Draw the Grafcet and obtain the grafcet equation                                              

·         Develop the ladder programming from the grafcet                                           

 

Figure below shows the T junction with three traffic signals. Each traffic light cycles through red (i.e. stop) time depends on the other two signals, red & amber (i.e. get ready to go) for 5 seconds, green (go) for 20 seconds, and amber (stop if safe to do so) for 5 seconds.

 

major road
Hoo
SIGNAL 3
3
2
4
SIGNAL 2
SIGNAL I
minor road
Figure
Transcribed Image Text:major road Hoo SIGNAL 3 3 2 4 SIGNAL 2 SIGNAL I minor road Figure
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