Estimation of link‐cost function for cyclists based on stochastic optimisation and GPS traces
Estimation of link‐cost function for cyclists based on stochastic optimisation and GPS traces
- New search for: Schweizer, Joerg
- New search for: Rupi, Federico
- New search for: Poliziani, Cristian
- New search for: Schweizer, Joerg
- New search for: Rupi, Federico
- New search for: Poliziani, Cristian
The objective of this work is the calibration of a generalised cost function for the bicycle network links to be used in conjunction with assignment methods for uncongested networks, as cyclists are generally much less delayed by traffic congestions with respect to auto‐traffic. The calibration's goal is to find a coefficient vector for a linear link‐cost function that maximises the overlap between routes obtained with a minimum cost routing of cyclists' demand and the relative cyclists' chosen routes, identified by a map‐matching procedure of recorded global positioning system (GPS) traces. The calibration focuses on minimising an objective function through different established evolution‐based optimisation algorithms, thus avoiding the generation of route choice sets. Link cost functions are calibrated for a modified Openstreet network of Bologna, Italy, using GPS data from the European cycling challenge and Bella Mossa campaign. Results show an improvement of up to 30% of overlapping routes with respect to pure distance‐based routing. It is also demonstrated that the calibrated link‐costs are transferable to a different scenario.
Document information
Estimation of link‐cost function for cyclists based on stochastic optimisation and GPS traces
IET Intelligent Transport Systems ; 14 , 13 ; 1810-1814
2020-12-01
5 pages
Article (Journal)
Electronic Resource
English
different established evolution‐based optimisation algorithms , telecommunication network routing , generalised cost function , uncongested networks , calibrated link‐costs , bicycles , minimum cost routing , stochastic optimisation , overlapping routes , traffic congestions , linear link‐cost function , road traffic , recorded global positioning system , Global Positioning System , relative cyclists , route choice sets , pure distance‐based routing , stochastic programming , GPS , objective function , link cost functions , auto‐traffic , traffic information systems , bicycle network
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