[ 10th December 2009 by Kumar Gaurav 0 Comments ]

Real-world driving cycle for motorcycles: a comparative study between Delhi and Edinburgh

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Real-world driving cycle for motorcycles: a comparative study between Delhi and Edinburgh


Abstract: Driving cycle is an essential requirement to evaluate the exhaust emissions of various types of vehicles on the chassis dynamometer test. This study presents a real-world comparison of the driving cycles of Edinburgh motorcycles in two world cities: Edinburgh in Scotland and Delhi in India. The two driving cycles (Edinburgh Motorcycle Driving Cycle [EMDC] and Delhi Motorcycle Driving Cycle [DMDC]) were developed through the analysis of experimental data. These data were collected from trips on a number of routes in each city. In Edinburgh, five different routes between the home addresses in the surrounding areas and place of work at Edinburgh Napier University were selected. In Delhi, data were collected from East Delhi (Geeta Colony) to Central Delhi (Raisina Road). The data collected were divided into two categories of urban and rural roads in the case of Edinburgh, whereas it was only the urban route in Delhi. Forty-four trips were made on the five designated routes in both urban and rural areas, and 12 trips were made in Delhi. The aims of the study were to assess the various parameters (i.e. motorcycle speed, cruise, accelerations and decelerations, and percentage time spent in idling) and their statistical validity over total trip lengths for producing a realworld EMDC in each of the two cities. The results show that EMDC has a cycle length of 770 and 656 s for urban and rural trips, respectively, which was found higher than Europe driving cycle length. Time spent in acceleration and deceleration modes was found to be significantly higher than any other driving cycle reported to date for motorcycles, reflecting a typical characteristic of the driving cycle in Edinburgh; this was presumably due to diverse driving conditions of motorcycles in the city. On the other hand, in Delhi, the DMDC has a cycle length of 847.5 s for the urban trips, which was higher than EMDC length. The overall percentage time spent in acceleration in Delhi was higher than that in Edinburgh, whereas the time spent in deceleration was lower in Delhi than that in Edinburgh. The overall average speed in Delhi was slightly higher than that in Edinburgh.
Keywords: Motorcycle Driving Cycle, Edinburgh, Delhi, Global Positioning System (GPS), Vehicle Operating Modes

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