This guy at http://members.shaw.ca/sonde/index.htm has built a really
cool computer controlled glider.  Its not meant to do the final
touchdown, it deploys a parachute.  However the web site gives a idea of
the level of detail required.  Real cool, wish I knew more about flight
dynamics, really fun looking!

Engineering just for fun

Edward



Tan Chun Chiek wrote:
>
> Hi,
>     This idea of an autopilot landing system just popped up in my mind, and
> other details came almost immediately. I thought why hasn't anyone done it
> before? The runway is something like 10m X 50m. GPS is used for
> longitudinal/latitudinal positioning and preferably velocity measurement,
> the aircraft would have a GPS receiver onboard, and 2 other GPS receivers
> would sit on the both long ends at center of the runway, it's something akin
> to differential GPS to provide better accuracy. Height measurement is done
> by a ultrasonic transceiver or maybe GPS, are they accurate enough? And
> pitch and roll is sensed by a pizeo gyroscope.
>
> How feasible is this concept?
>
> Regards,
> Tan CC
>
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