將新想法轉化為網絡上的服務交付成果——創新的管道.pdf

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1、www.portsmouth.gov.ukCrafting new ideas into service deliverables on the network-a pipeline of innovation.Paul DarlowTraffic&Network ManagerPortsmouth City Councilwww.portsmouth.gov.uk-Not Classified-2Our innovation journey has continued-weve been busy!“Network Management Duty”is at the heart of wha

2、t we do:Traffic Management Act 2004“the authority must identify things(including future occurrences)which are causing,or which have the potential to cause,road congestion or other disruption to the movement of traffic on their road network”www.portsmouth.gov.uk-Not Classified-Digital model of public

3、 transport:Map data 2025 Googlewww.portsmouth.gov.uk-Not Classified-4Solent Crossing Trigger LineFerry crossing logic:Map data 2025 Googlewww.portsmouth.gov.uk-Not Classified-Southampton to IOW Ferry disruption:Passengers try to divert onto Portsmouth route.Use of M275 VMS to warn of need to pre-boo

4、k.Map data 2025 Googlewww.portsmouth.gov.uk-Not Classified-Bus tracking:Use of Bus Open Data Service(BODS).Known fleet,known routes,on scheduled services.“Pinch-point”monitoring and alerting.Map data 2025 Googlewww.portsmouth.gov.uk-Not Classified-Bus stop announcements:Issue with poor visibility of

5、 approaching buses.Defined trigger polygon in advance of stop.Command to play correct message sent via MQTT to hardware at bus stop.2025 GoogleMap data 2025 Googlewww.portsmouth.gov.uk-Not Classified-Digital model of traffic lights:Real-time data from controller of signal phase states(both traffic&p

6、edestrian),on-crossing detectors,bus priority requests and published faults.Captured from controller I/O board via IOT device and transmitted to cloud broker via MQTT.Sub-second latency achieved via MQTT over both 4G and Mesh WiFi to fixed-line internet connections.Being rolled out to all Green Ligh

7、t Fund junctions.www.portsmouth.gov.uk-Not Classified-Pilot sites:Map data 2025 Googlewww.portsmouth.gov.uk-Not Classified-Use of traffic light data:Alerting of signal faults,“stuck”lights,reduced pedestrian demands(broken buttons),constant pedestrian demands(stuck buttons).On-crossing detectors pro

8、vide a rich source of data:-traffic flow sensor(queuing/none).-red light violations.-unused pedestrian demands.-traffic held at red signal.2025 Googlewww.portsmouth.gov.uk-Not Classified-Traffic light data report examples(1):Red light violations at a pedestrian crossingSite:P24264 On-crossing detect

9、ion:OC1 Report Date:03/05/2025Detect at 08:29:40.9 Duration 1.0 Secs Time from Red 8.6 SecsDetect at 09:44:43.2 Duration 1.8 Secs Time from Red 9.6 SecsDetect at 10:17:48.9 Duration 1.0 Secs Time from Red 10.4 SecsDetect at 10:20:28.2 Duration 1.0 Secs Time from Red 5.6 SecsDetect at 10:37:44.1 Dura

10、tion 1.0 Secs Time from Red 16.4 SecsDetect at 11:28:52.9 Duration 1.0 Secs Time from Red 10.6 SecsDetect at 11:41:05.3 Duration 1.0 Secs Time from Red 6.2 SecsDetect at 12:47:21.3 Duration 0.9 Secs Time from Red 1.1 SecsDetect at 15:53:31.5 Duration 1.4 Secs Time from Red 9.5 SecsDetect at 15:54:04

11、.7 Duration 1.1 Secs Time from Red 1.2 SecsDetect at 16:09:05.3 Duration 1.0 Secs Time from Red 1.6 SecsDetect at 16:31:54.3 Duration 1.3 Secs Time from Red 12.7 SecsDetect at 16:39:39.0 Duration 1.5 Secs Time from Red 0.3 SecsDetect at 20:01:35.1 Duration 1.4 Secs Time from Red 16.6 SecsDetect at 2

12、2:58:37.1 Duration 1.0 Secs Time from Red 10.8 SecsNumber of detections=15www.portsmouth.gov.uk-Not Classified-Traffic light data report examples(2):Pedestrian demands made at a crossingSite:P24264 Report Date:03/05/202500 to 01 Crossing Demands=1 12 to 13 Crossing Demands=2001 to 02 Crossing Demand

13、s=0 13 to 14 Crossing Demands=2102 to 03 Crossing Demands=0 14 to 15 Crossing Demands=2403 to 04 Crossing Demands=0 15 to 16 Crossing Demands=3504 to 05 Crossing Demands=0 16 to 17 Crossing Demands=2005 to 06 Crossing Demands=0 17 to 18 Crossing Demands=2406 to 07 Crossing Demands=1 18 to 19 Crossin

14、g Demands=1307 to 08 Crossing Demands=1 19 to 20 Crossing Demands=1508 to 09 Crossing Demands=9 20 to 21 Crossing Demands=2209 to 10 Crossing Demands=14 21 to 22 Crossing Demands=410 to 11 Crossing Demands=15 22 to 23 Crossing Demands=811 to 12 Crossing Demands=23 23 to 24 Crossing Demands=1 Number

15、of detections=271Total red time to traffic=4026 Seconds(4.7%of total time)www.portsmouth.gov.uk-Not Classified-Our approach:Analyse a real-world problem or“need”.Identify appropriate data sources.Understand normal vs abnormal.Define logic and rules at the edge vs in the cloud.Design outputs alerting

16、,reporting,commanding.Seek associated opportunities maximise benefits.Connect things up use APIs to exchange data and commands.Proof-of-concept Pilot Productionisewww.portsmouth.gov.uk-Not Classified-Final thoughts:Collaborative working between PCC and our suppliers,particularly George Brown at KL S

17、ystems.Need for agility,creative thinking and problem-solving skills.Incremental and flexible use of funds,ongoing effort vs a single defined project.The more things we do,the more things we think of and then are keen to have a go at solving.If we all did something and shared our learning,it would enable us collectively to do so much more.