The main objective of this work is to design and construct a microcomputer based system: to control electric appliances such as light, fan, heater, washing machine, motor, TV, etc. The paper discusses two major approaches to control home appliances. The first involves controlling home appliances using timer option. The second approach is to control home appliances using voice command. Moreover,...

This paper presents the potential of an electromagnetic transducer device in a form audio speaker that is used to capture sound waves be converted into electricity. It interesting concept but less explored by researchers. The objective study measure as way generate deals with creation electricity through movement and magnetism. Sound can induce on surface which turn moves thus creating source w...

Texas at Austin for the opportunity to work on this project. Engineering at the University of Texas at Austin for being our faculty advisor and being available for consultations. We would like to thank Chris Cooper of the Department of Biomedical Engineering at the University of Texas at Austin for helping us in the construction of our electrical circuit and for providing us with supplies neces...

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We propose a novel tunable optical add/drop multiplexer, based on Asymmetric Bragg Coupler and the liquid crystal as the active layer. Such device provides the features of small size, wide tuning range, narrow channel bandwidth, low electric power, high tuning speed, and simple control mechanisms. The transmission bandwidth is about 32.5GHz and the tunable range is about 250GHz.

According to the standard content, it provides a completely satisfy permeable brick coefficient test detection device. This for improvement of device, vacuum control system, electric system and weighing tank organic union, more in line with operation process. It has strong durable, easy maintenance, advantages small human error influence, systematic device automatic control, single convenient o...

Quantum-confined devices that manipulate single electrons in graphene are emerging as attractive candidates for nanoelectronics applications. Previous experiments have employed etched graphene nanostructures, but edge and substrate disorder severely limit device functionality. Here we present a technique that builds quantum-confined structures in suspended bilayer graphene with tunnel barriers ...

This paper presents the development of a force control loop in a teleoperation system with master and slave robotic devices. The force control based on current control loop has been applied to a teleoperation open platform consisting on electric master device, hydraulic slave robot and equipment for data acquisition and control programming. This force control loop is applied in each master join...