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Company Logo Add Your Company Slogan Automatic Control of Variable Message Signs in Aalborg 學生. 莊靖玟.

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Presentation on theme: "Company Logo Add Your Company Slogan Automatic Control of Variable Message Signs in Aalborg 學生. 莊靖玟."— Presentation transcript:

1 Company Logo Add Your Company Slogan Automatic Control of Variable Message Signs in Aalborg 學生. 莊靖玟

2 Company Logo Purpose  This paper presents the design, implementation, and partial evaluation work performed by a European consortium for the development of VMS information and guidance system in the city of Aalborg, Denmark.

3 Company Logo Reference  Three possible methodologies applicable to VMS control in highway networks.  (Messmer and Papageorgiou,1994)  These are (with decreasing degree of complexity) optimal control methods employing on-line optimization, central state feedback control and decentralized feedback control.

4 Company Logo Network Description and Operational Objectives

5 Company Logo Automatic control strategy

6 Company Logo Automatic control strategy

7 Company Logo Automatic control strategy

8 Company Logo Automatic control strategy

9 Company Logo Automatic control strategy

10 Company Logo Automatic control strategy

11 Company Logo Simulation studies  The presented VMS control strategy was tested under a number of different scenarios:  Scenarios1/2  Scenarios3/4  Scenarios5/6  Scenarios7/8  Scenarios9/10  Scenarios11/12

12 Company Logo Simulation studies

13 Company Logo Simulation studies

14 Company Logo Simulation studies

15 Company Logo Simulation studies

16 Company Logo Simulation studies

17 Company Logo Simulation studies

18 Company Logo Simulation studies

19 Company Logo Simulation studies

20 Company Logo Simulation studies

21 Company Logo Simulation studies

22 Company Logo Simulation studies

23 Company Logo Simulation studies

24 Company Logo Implementation concept

25 Company Logo Conclusions  Simulation studies demonstrate the potential improvements achievable with this kind of control measures and control strategies.  The implementation concept and first field results are outlined.

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