Abstract
Indonesia has one of the highest number of fatalities caused by traffic accident. It is become main concern since last decades. Approximately of 10% fatalities is caused by tank truck accident, it recorded by PT. Pertamina Persero, Indonesia in 2015 that 17% and 20% tank truck accident is caused by over speed and fatigue, respectively. Therefore, over speed has become main factor the occurrence of tank truck accident. Main objective of this research is to install speed limiter on the tank truck in order to improve safety engineering system, decrease accident and to maintain engine performance. This research is conducted in Indonesia especially in Java-Bali route travel. Speed limiter is installed to the tank truck engine which completed by fuel cut-off solenoid to reduce the speed automatically when it exceeding the maximum speed that has been determined. From the result shows that top speed which performed by driver up to 133 km/h when tank truck uninstalled by speed limiter. Meanwhile, when speed limiter is installed to the tank truck, top speed locked at 70 km/h even though the driver want to speed up. It means that fuel cut-off system is very effective to lock the speed at 70 km/h and it shown the improvement up to 65%. The monitoring activities observed that the decreasing number of fatalities caused by tank truck accident become 7% as compared to last year of 17%. It can be found that the speed limiter coupled by speed recorder was very efficient to improve safety engineering system of the tank truck.
Highlights
Traffic accident is one of the causes of the death in Indonesia because based on report of Indonesia Police Departement that close to 31.234 fatalites cause by trafic accident and it means that there are 3-4 fatalites/hour [1]
This research focus on the Installation Jakarta Group (IJG) which located in Plumpang and they operates approximately 257 tank trucks with a various payload capacity from 16,000 to 40,000 liters
The effectiveness of the speed limiter in reducing the speed and control the driver is shown by speed decrement after speed limiter installed to tank truck
Summary
Traffic accident is one of the causes of the death in Indonesia because based on report of Indonesia Police Departement that close to 31.234 fatalites cause by trafic accident and it means that there are 3-4 fatalites/hour [1]. Vehicle safety of tank truck is quite needed in order to reduce number of fatalities [2]. It very needed to solve that problems to improve safety driving and reduce tank truck accident [3]. Pertamina Persero (2013) [7] has issued the regulation that the maximum speed of the tank truck in highway is 70 km/h. This regulation was issued to reduce the accident rate. Installing the additional part in the engine to limit the speed is quite needed, which may reduce the accident rate. In this research innitiate to develop new speed limiter which coupled by fuel cut-off solenoide to limit the speed by reducing supply fuel into the engine
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