Traffic signal coordination in over-saturated traffic scenarios
Nowadays, various types of traffic control strategies are appearing to alleviate the problem of traffic congestion. With the aim of minimise the traffic volume contained for over-saturated scenarios, a traffic-responsive control strategy is developed based on the concept of the cell transmission mod...
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| Format: | Final Year Project (FYP) |
| Language: | English |
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Nanyang Technological University
2020
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| Online Access: | https://hdl.handle.net/10356/140442 |
| _version_ | 1811691641313951744 |
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| author | Li, Jin |
| author2 | Su Rong |
| author_facet | Su Rong Li, Jin |
| author_sort | Li, Jin |
| collection | NTU |
| description | Nowadays, various types of traffic control strategies are appearing to alleviate the problem of traffic congestion. With the aim of minimise the traffic volume contained for over-saturated scenarios, a traffic-responsive control strategy is developed based on the concept of the cell transmission model. The control strategy takes into consideration the nonlinear relationship between traffic flow, traffic capacity and corresponding traffic signals for each road segment in the traffic network. Traffic-responsive signal coordination methodology is studied and transformed into a mixed-integer linear programming problem solved by CPLEX optimization tool in Matlab environment. In order to observe the performance of the proposed traffic signal controller, a fixed-time traffic signal model is constructed with predefined signal inputs in Matlab. Traffic boundary inflow entering into both traffic models for each prediction horizon is synchronized. Both models are simulated with multiple traffic network scales. The behaviour of the two types of traffic models is observed and analysed accordingly. The validity and performance of the proposed traffic signal coordination strategy for the tested cases are evaluated against the fixed-time traffic signal model. Further recommendations on the proposed control approach are addressed at the end of the report. |
| first_indexed | 2024-10-01T06:23:07Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/140442 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:23:07Z |
| publishDate | 2020 |
| publisher | Nanyang Technological University |
| record_format | dspace |
| spelling | ntu-10356/1404422023-07-07T18:45:30Z Traffic signal coordination in over-saturated traffic scenarios Li, Jin Su Rong School of Electrical and Electronic Engineering RSu@ntu.edu.sg Engineering::Industrial engineering::Automation Engineering::Electrical and electronic engineering Nowadays, various types of traffic control strategies are appearing to alleviate the problem of traffic congestion. With the aim of minimise the traffic volume contained for over-saturated scenarios, a traffic-responsive control strategy is developed based on the concept of the cell transmission model. The control strategy takes into consideration the nonlinear relationship between traffic flow, traffic capacity and corresponding traffic signals for each road segment in the traffic network. Traffic-responsive signal coordination methodology is studied and transformed into a mixed-integer linear programming problem solved by CPLEX optimization tool in Matlab environment. In order to observe the performance of the proposed traffic signal controller, a fixed-time traffic signal model is constructed with predefined signal inputs in Matlab. Traffic boundary inflow entering into both traffic models for each prediction horizon is synchronized. Both models are simulated with multiple traffic network scales. The behaviour of the two types of traffic models is observed and analysed accordingly. The validity and performance of the proposed traffic signal coordination strategy for the tested cases are evaluated against the fixed-time traffic signal model. Further recommendations on the proposed control approach are addressed at the end of the report. Bachelor of Engineering (Information Engineering and Media) 2020-05-29T03:09:51Z 2020-05-29T03:09:51Z 2020 Final Year Project (FYP) https://hdl.handle.net/10356/140442 en A1168-191 application/pdf Nanyang Technological University |
| spellingShingle | Engineering::Industrial engineering::Automation Engineering::Electrical and electronic engineering Li, Jin Traffic signal coordination in over-saturated traffic scenarios |
| title | Traffic signal coordination in over-saturated traffic scenarios |
| title_full | Traffic signal coordination in over-saturated traffic scenarios |
| title_fullStr | Traffic signal coordination in over-saturated traffic scenarios |
| title_full_unstemmed | Traffic signal coordination in over-saturated traffic scenarios |
| title_short | Traffic signal coordination in over-saturated traffic scenarios |
| title_sort | traffic signal coordination in over saturated traffic scenarios |
| topic | Engineering::Industrial engineering::Automation Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/140442 |
| work_keys_str_mv | AT lijin trafficsignalcoordinationinoversaturatedtrafficscenarios |