After the successful
launch of the ‘Wolverhampton Eye in the Sky’- BLIMP at the Gadget Show Live
2010; budding Aviator and final year BSc Computer Science student Ed Wilson has
been working hard to develop an improved version which was demonstrated at this
year’s NMBS Exhibition on 25th May 2011 at the Telford International Centre.
The BLIMP is a console
controlled airship. The 2011 version has been vastly improved with a closed
loop feedback system, which helps control the ships motion and an exaggerated
control system which demonstrates how the sensors work in the airship.
Visitors to
the exhibition had the opportunity to fly the airship, using the new bespoke
games console controller, which tells the airship which direction to travel in.
A series of sensors onboard detect the direction, and put measures in place to
correct the path should it start to go off course.
Technically
the ship is more efficient due the more powerful 8MHz processor, which reduces
power consumption. The control system takes input from the 3D accelerator and
2D gyroscope, giving it 5 degrees of freedom. These sensors are used in an
inertial measurement unit, implemented on Arduino[1], that allows it to
calculate the ship’s position, speed and acceleration.
The sensors include an accelerometer and a gyroscope, which change the output
of the motor to change the direction.
The ship makes use of industry standard wireless communication
techniques, ZigBee[2], which have improved its reliability from the model last
year.
[1] http://www.arduino.cc/ - An open source prototyping platform based on flexible, easy-to-use hardware and software.
[2] http://en.wikipedia.org/wiki/ZigBee - A specification for a suite of high level communication protocols using small, low-power digital radios on an IEEE 802 standard for personal area networks.
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