Read Novel Battery-less Wireless Sensors for Traffic Flow Measurement

Novel Battery-less Wireless Sensors for Traffic Flow Measurement

Krishna Vijayaraghavan

4.9/5 (32168 ratings)

Description:This project presents a novel battery-less wireless sensor that can be embedded in the road and used to measure traffic flow rate, speed and approximate vehicle weight. Compared to existing inductive loop based traffic sensors, the new sensor is expected to provide increased reliability, easy installation and low maintenance costs. The sensor uses power only for wireless transmission and has ZERO idle power loss. Hence the sensor is expected to be extremely energy efficient. Energy to power this sensor is harvested entirely from the short duration vibrations that results when an automobile passes over the sensor. A significant portion of the project focuses on developing low power control algorithms that can harvest energy efficiently from the short duration vibrations that result when a vehicle passes over the sensor. To this effect this report develops and compares three control algorithms Fixed threshold switching, Maximum Voltage switching and Switched Inductor for maximizing this harvested energy. The novel Switched inductor algorithm with a dual switch control configuration is shown to be the most effective at maximizing harvested energy. All three of the developed control algorithms can be implemented using simple low power analog circuit components. The developed sensor is evaluated using a number of experimental tests. Experimental results show that the sensor is able to harvest adequate energy for its operation from the passing of every axle over the sensor. The sensor can reliably and accurately measure traffic flow rate.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Novel Battery-less Wireless Sensors for Traffic Flow Measurement. To get started finding Novel Battery-less Wireless Sensors for Traffic Flow Measurement, you are right to find our website which has a comprehensive collection of manuals listed.
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Pages: 56

Format: PDF, EPUB & Kindle Edition

Publisher: —

Release: 2008

ISBN: RCPQzhI0kZoC

Description: This project presents a novel battery-less wireless sensor that can be embedded in the road and used to measure traffic flow rate, speed and approximate vehicle weight. Compared to existing inductive loop based traffic sensors, the new sensor is expected to provide increased reliability, easy installation and low maintenance costs. The sensor uses power only for wireless transmission and has ZERO idle power loss. Hence the sensor is expected to be extremely energy efficient. Energy to power this sensor is harvested entirely from the short duration vibrations that results when an automobile passes over the sensor. A significant portion of the project focuses on developing low power control algorithms that can harvest energy efficiently from the short duration vibrations that result when a vehicle passes over the sensor. To this effect this report develops and compares three control algorithms Fixed threshold switching, Maximum Voltage switching and Switched Inductor for maximizing this harvested energy. The novel Switched inductor algorithm with a dual switch control configuration is shown to be the most effective at maximizing harvested energy. All three of the developed control algorithms can be implemented using simple low power analog circuit components. The developed sensor is evaluated using a number of experimental tests. Experimental results show that the sensor is able to harvest adequate energy for its operation from the passing of every axle over the sensor. The sensor can reliably and accurately measure traffic flow rate.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Novel Battery-less Wireless Sensors for Traffic Flow Measurement. To get started finding Novel Battery-less Wireless Sensors for Traffic Flow Measurement, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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Novel Battery-less Wireless Sensors for Traffic Flow Measurement

Novel Battery-less Wireless Sensors for Traffic Flow Measurement

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