I am planning on building an UAS.

The idea is this. Have a autopilot with the required sensors connected to a mission computer. The mission computer will control other sensors and ground communication.

The first choice is the autopilot. I was thinking of using the Paparazzi for this, but I am not sure if there is cheaper/better alternatives around.

Second there is the mission computer. It should be running Linux, preferably from a memory card. USB/serial connections are needed to connect sensors and communication modems. Not sure if the ARM or x86 architecture is best suited for this.

This is a private research project testing whether a process network written in python (pyCSP) can be used to control the different sensors and the communication modems(GSM and WLAN).

What alternatives is there on mission computers? Have seen the Gumstix. I guess the easiest would be a full featured x86 processor board.

The airframe at the moment is a Funjet.

Any inputs will be appreciated.

Oerjan Pettersen

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  • The gumstix probably costs a bit more than the ATMega328, but it does run linux and you have access to a ton of open-source software and libraries, as well as device drivers for just about anything that linux supports. The gumstix is small and light. It's what I've been using and I feel I've been getting good results. I'm running a 15 state kalman filter on mine as well as all the round-earth navigation code and autopilot.
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