Laddsträcka i Lund: En studie av busslinje i körsimulator

Conny Börjesson
Joakim Nyman

By the year 2018, the Climate Act will come into force. By 2030, climate impact in the transport sector should have fallen by 70 percent compared with 2010 and by 2045 Sweden’s climate impact will be net zero. This means a fundamental transformation of the energy supply of vehicles in road transport. For buses in city traffic, electrification is favorable because electric buses are both exhaustfree and quiet, giving a lesser environmental impact in the street environment, and by that the possibility of creating attractive bus lines.

To exemplify how a bus electrification can be done, a driving simulator study was conducted on a possible electric bus line in the city of Lund using an electric road system. The goal of electrification was to achieve a high user acceptance and to meet the targets for the future environment and energy use.

With the help of various sources of information about electric buses, electric road systems and the urban environment of Lund, virtual models were created, which were then installed in the driving simulator.

To evaluate whether the bus and electrification complied with the user acceptance requirements, bus drivers participated in a test in a dynamic driving simulator, SIM II at VTI in Linköping. The results showed that the drivers had no major difficulties in driving the bus so that the electrification worked. Unfortunately, some of the drivers suffered from sickness while driving (“simulator sickness”) and had to stop driving.

An evaluation of the driving simulator used as a tool for public relation purposes was made by providing an information sheet and demonstrating the electrification to employees in Lund municipality by using a small, moveable driving simulator. Interviews about electric buses and electrification were made before and after the demonstration to see effects on the opinion and understanding of electric buses and electric road systems. The results showed that the simulator drive gave added value in addition to the information sheet only, 2/3 of the participants answered that their understanding was increased by the simulator drive and 1/3 answered that it was not changed. The attitude to the electric bus and the electric road system did not change. Most people considered that the simulator could be a helpful tool in decision making.

An analysis of the energy consumption of the bus showed that the battery level was lower at the end of the test drive than in the beginning, i.e. the battery level dropped. This would not have been the case if the electrification had been made more advantageously, and thus would not need to be a limiting factor in future implementation.

In addition, the studied electric road system was compared with some other power supply options such as charging at bus depot and at bus end stop. The pros and cons of these alternatives were discussed based on economic and bus operational perspectives.



Society for Benefit-Cost Analysis: European Conference 2020

VTI and Centre for Transport Studies (CTS) at Royal Institute of Technology (KTH) organise Society for Benefit-Cost Analysis: European Conference 2020. 

International Cycling Safety Conference

Swedish Cycling Research Centre, Cykelcentrum, organises together with Lund University the International Cycling Safety Conference, ICSC 2020. The conference is postponed to 10-12  November 2021.



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