Self-Power Lighting And Wireless Control Road Display System

Lee, Yee Hao (2014) Self-Power Lighting And Wireless Control Road Display System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 pages) Self-Power Lighting And Wireless Control Road Display System 24 Pages.pdf - Submitted Version Download (395kB)

Abstract

Energy harvesting is a process of electrical energy transformation by which the energy is originated from external sources such as solar power, thermal energy, wind energy and kinetic energy, captured and stored for the low power electronic application such as microelectronic devices for wireless sensor network. Energy harvesting can save a lot of energy by converting the surrounding energy into usable energy for other applications. For this project, the energy harvesting mechanism is focused on converting impact(kinetic energy) from the one produced by moving vehicle on the road into electrical energy using piezoelectric and the energy generated will be used on the radio frequency switch which for controlling a display system. Input energy produced by piezoelectric is very small and unable to use by applications, therefore a circuit system required to be modified in order for the input energy to be applied on radio frequency switch. A prototype is developed to demonstrate the self powered sources using piezoelectric applied on wireless control road display system. The prototype was designed to be suitable for the application in such way that the piezoelectric component would not be exposed to excessive impact by introducing absorber on the system. In order for powering power hunger RF transmitter, therefore an amplifier circuit was designed to convert the AC output generated from piezoelectric.

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