81 International Seminar on Infrastucture Development in Cluster Island Eastern Part of Indonesia, Baubau, Indonesia THE REAL WORLD DRIVING CYCLE OF MOTORCYCLE ON AN ARTERIAL URBAN ROUTE IN MAKASSAR - INDONESIA M. Andry Azis 1 , M. Isran Ramli 2 and S. Hamid Aly 3 ABSTRACT: The present paper attempts to understand the real world driving cycle of motorcycle on an arterial urban route in Makassar City, Indonesia. The arterial road is one of the important routes which connected the western part and eastern part of the city. This study carried out a survey to describe the motorcycle driving cycle on the route for each traffic direction in the three peak-hour periods of the traffic condition, i.e. morning peak, noon peak, and evening peak periods. The survey used a global position system (GPS) equipment in order to capture the motorcycle travel speed second by second. By using the GPS, the survey adopted the floating car survey method, where three times tracking were conducted for each traffic direction and peak-hour period. Furthermore, we analyzed eight parameters of the motorcycle driving behavior, i.e. average speed including all motorcycle behavior mode (V 1 ), average speed without idling mode (V 2 ), acceleration (A), deceleration (D), motorcycle spent time for cruise (C), percentage of acceleration (P a ), percentage of deceleration (P d ), percentage of cruise (P c ), and percentage of idling (P i ). The analysis results show that the diriving cycle of the motorcycle is dominated by the acceleration and the decelaration behavior mode, while the cruise behavoir mode is superior to the idling mode. In addition, the average speed of the motorcycle is only below 40 km/hour. These fenomena indicate that the motorcycle on the traffic situation in the route could be catgerozied as steady flow on the low average speeds. The results provide a basis for an extentesion survey of the motorcycle driving behavior in all urban arterial routes in Makassar city. We also expect that the results are useful in development an prediction model for motorcycle emission in further studies. Keywords: Real world driving cycle, motorcycle, urban arterial route, Makassar - Indonesia. INTRODUCTION The vehicle driving cycle is an important micro traffic behavior, which represent a speed–time sequenced profile developed for a certain road, route, specific area or city. In other words, the driving cycle is a sequence of vehicle operating conditions (idle, acceleration, steady state and deceleration) developed to represent typical pattern in an urban area. It is widely used to estimation transport air pollutant emissions and in the building of databases for building emission inventories (Aly et al., 2012; Saleh et al., 2009). For instance, driving cycles for light vehicle (LGV) are to enhance traffic management systems, estimating fuel consumption patterns and reduce transport impacts on health and environment (Tzirakis et al., 2006; Saleh, 2007; Hung et al., 2007; Aly et al., 2012). Regarding the major composition of motorcycle in Makassar City, Indonesia, approximately 70% - 80% (Zakaria et al., 2011; Henny et al., 2012; Hustim et al., 2012), the motorcycle driving cycle seems important to be grasp in order to improve traffic management systems and to estimate the motorcycle emission in the city. There are some previous researches addressed to the driving cycle of motorcycle. For example, Saleh et al. have developed the motorcycle driving cycle for Edinburg (2009), and Delhi (2010). As well as, Oanh et al. (2012) evaluated driving cycle of motorcycle in Hanoi. Furthermore, Kumar et al. (2011) and Oanh et al. (2012) estimated motorcycle emission based on the motorcycle driving cycle for Edinburg and Hanoi, respectively. According to the above background and the insight from the previous researches, this paper purposes to understand and to analyze the real world driving cycle of motorcycle on an urban arterial route in Makassar City, Indonesia. The rest of this paper is organized as follows. Section 2 describes the study methods such the route location, the equipment survey, and survey method of driving cycle, and the analysis method. Section 3 presents the results of the survey and of the parameters of the 1 Undergraduate Student, Hasanuddin University, [email protected], INDONESIA 2 Associate Professor, Hasanuddin University, [email protected], INDONESIA 3 Associate Professor, Hasanuddin University, [email protected], INDONESIA
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81
International Seminar on Infrastucture Development in Cluster
Island Eastern Part of Indonesia, Baubau, Indonesia
THE REAL WORLD DRIVING CYCLE OF MOTORCYCLE
ON AN ARTERIAL URBAN ROUTE IN MAKASSAR - INDONESIA
M. Andry Azis 1, M. Isran Ramli
2 and S. Hamid Aly
3
ABSTRACT: The present paper attempts to understand the real world driving cycle of motorcycle on an arterial urban
route in Makassar City, Indonesia. The arterial road is one of the important routes which connected the western part and
eastern part of the city. This study carried out a survey to describe the motorcycle driving cycle on the route for each
traffic direction in the three peak-hour periods of the traffic condition, i.e. morning peak, noon peak, and evening peak
periods. The survey used a global position system (GPS) equipment in order to capture the motorcycle travel speed
second by second. By using the GPS, the survey adopted the floating car survey method, where three times tracking
were conducted for each traffic direction and peak-hour period. Furthermore, we analyzed eight parameters of the
motorcycle driving behavior, i.e. average speed including all motorcycle behavior mode (V1), average speed without
idling mode (V2), acceleration (A), deceleration (D), motorcycle spent time for cruise (C), percentage of acceleration
(Pa), percentage of deceleration (Pd), percentage of cruise (Pc), and percentage of idling (Pi). The analysis results show
that the diriving cycle of the motorcycle is dominated by the acceleration and the decelaration behavior mode, while the
cruise behavoir mode is superior to the idling mode. In addition, the average speed of the motorcycle is only below 40
km/hour. These fenomena indicate that the motorcycle on the traffic situation in the route could be catgerozied as steady
flow on the low average speeds. The results provide a basis for an extentesion survey of the motorcycle driving
behavior in all urban arterial routes in Makassar city. We also expect that the results are useful in development an
prediction model for motorcycle emission in further studies.
Keywords: Real world driving cycle, motorcycle, urban arterial route, Makassar - Indonesia.
INTRODUCTION
The vehicle driving cycle is an important micro
traffic behavior, which represent a speed–time
sequenced profile developed for a certain road, route,
specific area or city. In other words, the driving cycle is
a sequence of vehicle operating conditions (idle,
acceleration, steady state and deceleration) developed to
represent typical pattern in an urban area. It is widely
used to estimation transport air pollutant emissions and
in the building of databases for building emission
inventories (Aly et al., 2012; Saleh et al., 2009). For
instance, driving cycles for light vehicle (LGV) are to
consumption patterns and reduce transport impacts on
health and environment (Tzirakis et al., 2006; Saleh,
2007; Hung et al., 2007; Aly et al., 2012).
Regarding the major composition of motorcycle in
Makassar City, Indonesia, approximately 70% - 80%
(Zakaria et al., 2011; Henny et al., 2012; Hustim et al.,
2012), the motorcycle driving cycle seems important to
be grasp in order to improve traffic management systems
and to estimate the motorcycle emission in the city.
There are some previous researches addressed to the
driving cycle of motorcycle. For example, Saleh et al.
have developed the motorcycle driving cycle for
Edinburg (2009), and Delhi (2010). As well as, Oanh et
al. (2012) evaluated driving cycle of motorcycle in
Hanoi. Furthermore, Kumar et al. (2011) and Oanh et al.
(2012) estimated motorcycle emission based on the
motorcycle driving cycle for Edinburg and Hanoi,
respectively.
According to the above background and the insight
from the previous researches, this paper purposes to
understand and to analyze the real world driving cycle of
motorcycle on an urban arterial route in Makassar City,
Indonesia.
The rest of this paper is organized as follows. Section
2 describes the study methods such the route location,
the equipment survey, and survey method of driving
cycle, and the analysis method. Section 3 presents the
results of the survey and of the parameters of the
1 Undergraduate Student, Hasanuddin University, [email protected], INDONESIA 2 Associate Professor, Hasanuddin University, [email protected], INDONESIA 3 Associate Professor, Hasanuddin University, [email protected], INDONESIA