Airelectronics U-Ground Manual del usuario - Página 3

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U-Ground OneBoard User Manual - General System Introduction

General System Introduction

Airelectronics has developed a complete solution for both rotary and fixed wing UAVs. The

system is composed of:

U-Pilot 0.2

•

U-Ground 0.2 or U-Ground OneBoard

•

U-See 0.2

•

U-Pilot takes care of the vehicle from Take-off to Landing. It is completely adaptable to any

aircraft including fixed wing, hexacopters, quadcopters and

U-Pilot is completely capable of following a flight plan with up to 32 points (real time editable).

Once the flight plan is loaded on the U-Pilot it is independent of operator instructions. In case of

a failure in the communications, U-Pilot starts a Landing maneuver which would safely land the

UAV on the Runway Point.

Thanks to its versatility U-Pilot can control any device on board the UAV such as cameras,

parachutes and others. These devices can be real time controlled by a Computer Operator or

by U-Pilot automatically.

U-Pilot has, working in parallel:

15 PWM (Pulse-Width Modulation) outputs or even more if necessary,

•

3 ADC inputs (Analogical Digital Converter) to monitor the voltages of three batteries on

•

the UAV

4 serial ports RS232 to communicate with payloads, external magnetometers, etc.

•

A radio with up to 100 km

•

GPS, dynamic and static pressure sensors, a magnetometer, gyroscopes and

•

accelerometers.

U-Pilot is built using a two parallel microprocessor approach:

One processor takes care of the state estimator and controls the UAV using hardware

•

acceleration to calculate high speed algorithms.

Another processor takes care of the mission at high level and the communications with

•

the U-Ground and Payloads management.

the processors do not waste any time doing low level tasks.

•

Due to the fact that those two processors are working in parallel and there is dedicated

electronics taking care of all the serial ports, sensors, inputs and outputs the system is capable

of recalculating its position, orientation and closing control loops at the speed of 1000 Hz. This

high speed gives the the UAV huge navigation accuracy and control.

On the ground segment, we have both U-Ground and U-See.

U-Ground is a control station with the other end of the radio link communicating the U-Pilot

with the U-See software.

U-See software is a user friendly program that runs in any personal computer running Windows,

Mac OS X or Linux.

Through U-See, the UAV operator can inspect the current state of the mission and command it

in real-time.

1 Range may vary with the frequency band used. Default is 900 MHz but legal limitations in some countries may

change this.

helicopters.