Traffic Information Acquisition System with Ultrasonic Sensors in Wireless Sensor Networks

Jo, Youngtae; Choi, Jong Phil; Jung, Inhwa

doi:10.1155/2014/961073

Cited by 27 publications

(9 citation statements)

References 17 publications

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“…Ultrasonic sensors have been used previously for recognizing the presence of vehicles in parking spaces, and they have also been deployed on roads to measure the traffic volume and the presence of vehicles (Jo et al 2014;Jeon et al 2014). In our method, we used a wireless parking sensor mote with an ultrasonic sensor to check the status of parking spaces.…”

Section: Vehicle Parking Decisionsmentioning

confidence: 99%

Smart Parking System Based on an Ultrasonic Sensor and Bluetooth Low Energy in the Internet of Things

2019

JSMS

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Technology related to the Internet of Things (IoT) has contributed greatly to smart living environments. The smart parking system is one of the main services based on IoT applications. To identify parked vehicles, previous parking systems used special identification devices where Radio-Frequency Identification (RFID) tags were carried by the users and high-quality cameras could recognize the vehicle license numbers. However, the previous methods were inefficient in terms of cost and they were not user-friendly. Thus, to address these problems, we propose a smart parking system based on ultrasonic sensors and the received signal strength indicator (RSSI) in Bluetooth communication. The proposed system determines the available spaces by using sensor motes located in the parking spaces. In addition, it recognizes the location of a parked vehicle based on Bluetooth low energy (BLE) communication between the user's smartphone and the sensor motes. Furthermore, to improve the location awareness for users, we transform the RSSI strength into a distance range by applying the triangulation method. Based on IoT technology, the smart parking system can guide users to locations for their vehicles. We implemented the sensor motes for the ultrasonic sensor as well as the BLE modules in order to evaluate the proposed smart parking system. The sensor motes were deployed in parking spaces and we confirmed that the ultrasonic sensors successfully detected the available parking spaces, and they guided cars to the parking spaces divided into cell units.

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Section: Vehicle Parking Decisionsmentioning

confidence: 99%

Smart Parking System Based on an Ultrasonic Sensor and Bluetooth Low Energy in the Internet of Things

2019

JSMS

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“…A vehicular network is set up for intelligent transportation [15], which includes two subnetworks. The first one is the basic road network, which is deployed in the information node at the intersection and relay nodes along the roads.…”

Section: Intelligent Transportation Network Settingsmentioning

confidence: 99%

“…Based on the wireless sensor network in the application of intelligent transportation [13][14][15], A Multimetric Ant Colony Optimization (MACO) algorithm is presented to deal with intelligent traffic real-time path planning problems. The best path is calculated automatically according to dynamic realtime traffic using this algorithm, which can be the shortest distance, the shortest time, the best road condition, or the best path of comprehensive situations according to customers' requirements.…”

Section: Introductionmentioning

confidence: 99%

A Multimetric Ant Colony Optimization Algorithm for Dynamic Path Planning in Vehicular Networks

Wang¹,

Li²,

Fang³

et al. 2015

International Journal of Distributed Sensor Networks

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With the rapid growth in the number of vehicles, energy consumption and environmental pollution in urban transportation have become a worldwide problem. Efforts to reduce urban congestion and provide green intelligent transport become a hot field of research. In this paper, a multimetric ant colony optimization algorithm is presented to achieve real-time dynamic path planning in complicated urban transportation. Firstly, four attributes are extracted from real urban traffic environment as the pheromone values of ant colony optimization algorithm, which could achieve real-time path planning. Then Technique for Order Preference by Similarity to Ideal Solution methods is adopted in forks to select the optimal road. Finally, a vehicular simulation network is set up and many experiments were taken. The results show that the proposed method can achieve the real-time planning path more accurately and quickly in vehicular networks with traffic congestion. At the same time it could effectively avoid local optimum compared with the traditional algorithms.

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“…What's more, video based method is friendly for further upgrading. While these advantages are hard to achieve by ultrasonic [6], infrared [7] or magnetic performance [8].…”

Section: Introductionmentioning

confidence: 99%

Traf: A Camera based System for Traffic Flow Analysis

Feng¹,

Tang²,

Zhao³

et al. 2017

Proceedings of the 2017 International Conference on Mechanical, Electronic, Control and Automation Engineering (MECAE 2017)

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Abstract. As the traffic jam is becoming a serious issue of urban life, collecting traffic parameters for traffic distribution is important and critical. In this paper, we present a camera based system (Traf) to count automotive vehicles for traffic flow analysis use. The system employs the method of background subtraction by comparing differences between foreground and background. The subtraction result is utilized to identify the position and the shape of vehicles. The background model is initialed by averaging first 50 frames, and adapted to environment change by introducing an adapting parameter λ. Compared to state-of-art method, Traf is more robust, adaptive and economical.

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Traffic Information Acquisition System with Ultrasonic Sensors in Wireless Sensor Networks

Cited by 27 publications

References 17 publications

Smart Parking System Based on an Ultrasonic Sensor and Bluetooth Low Energy in the Internet of Things

Smart Parking System Based on an Ultrasonic Sensor and Bluetooth Low Energy in the Internet of Things

A Multimetric Ant Colony Optimization Algorithm for Dynamic Path Planning in Vehicular Networks

Traf: A Camera based System for Traffic Flow Analysis

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