Presentation on theme: "1 Clauss Adeline Ly Nathalie GE5S GE III Project January, 16 th 2008 The altitude and speed measuring system of the drone."— Presentation transcript:
1 Clauss Adeline Ly Nathalie GE5S GE III Project January, 16 th 2008 The altitude and speed measuring system of the drone
2 Plan Clauss Adeline Ly Nathalie GE5S January, 16 th 2008 1.Specifications of the project 2.Hardware design 3.Software development 4.Testing 5.Conclusions
3 Part 1. Specifications of the project The Drone
4 Part 1. Specifications of the project On-board electronics Motors Control Speed sensor Altitude sensor Microcontroller PIC18F2520 DSP Data exchanges and treatment chain Inertial measurement unit Rangefinder GPS Amplification stage
5 Part 2. Hardware design Sensors choice Atmospheric pressure sensor MPXA6115A by Freescale + Differential pressure sensor MPXV5010DP by Freescale Scale used : 0 < ΔP < 250 [Pa] Scale used : 800 < P < 1100 [hPa] Altitude range : 0 < a < 200 [m] Speed range : 0 < a < 25 [m/s]
6 Amplification stage Part 2. Hardware design Speed sensor Altitude sensor 18F2550 AD channel Vref- Vref+ Amplificati on 0.2V to 0.4V 1.66V to 4.86V Amplificati on 3.0V to 4.5V 0.71V to 4.89V Vcc 6 Offset Operational amplifiers MCP6144 by Microchip
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