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Dynamic trigger speed for vehicle activated signs
Högskolan Dalarna, Akademin Industri och samhälle, Datateknik.ORCID-id: 0000-0001-6526-6537
Högskolan Dalarna, Akademin Industri och samhälle, Datateknik.
2016 (Engelska)Konferensbidrag, Muntlig presentation med publicerat abstract (Refereegranskat)
Abstract [en]

Optimal trigger speeds for vehicle activated signs were not considered in previous studies. The main aim of this paper is to summarise the findings of optimum trigger speed for vehicle activated signs. A secondary aim is to be able to build and report a dynamic trigger speed based on an accurate predictive model to be able to trigger operation of vehicle activated signs. A data based calibration method for the radar used in the experiment has been developed and evaluated. Results from the study indicate that the optimal trigger speed should be primarily aimed at lowering the standard deviation. Results also indicate that the optimal trigger speed should be set near the 85th percentile speed, to be able to lower the standard deviation. A comparative study investigating the use of several predictive models showed that random forest is an appropriate model to dynamically predict trigger speeds.

Ort, förlag, år, upplaga, sidor
Scotland, 2016.
Nationell ämneskategori
Elektroteknik och elektronik
Forskningsämne
Komplexa system - mikrodataanalys
Identifikatorer
URN: urn:nbn:se:du-22550OAI: oai:DiVA.org:du-22550DiVA, id: diva2:945427
Konferens
11th ITS European Congress, 6-9 June 2016, Glasgow
Tillgänglig från: 2016-07-01 Skapad: 2016-07-01 Senast uppdaterad: 2016-07-01Bibliografiskt granskad

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Jomaa, Diala

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Totalt: 213 träffar
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