Introduction: Airplane Stabilization Project - Arduino
Today I am going to build a model Airplane stabilizer. This platform can be used for on ground testing purposes. This project is made using Arduino Micro controller. I used MPU 6050 for measuring tilt in three axis. This is currently made out of corrugated cardboard, that makes the construction easy for this tutorial.
Step 1: Materials
You willl need the following materials:
- Corrugated Cardboard
- Hot Glue
- Arduino Uno
- MPU 6050
- Jumper wires
- Battery Pack
- Servo SG 90
Here I am using Arduino Uno as this flavour is best for prototyping. You may use Arduino Mini or Due according your needs. I am using MPU 6050 for this is the most suitable IMU that may be used in RC Airplane.
Step 2: Templates
I design the template for the model that makes it perfect to put electronics and motors on. You may use Foam board Plywood or Corrugated Plastic. Using pencil and ruler draw your template and outline the lines to cut using marker. Put the two pieces together using hot glue. Cut the template using a sharp cutter. I didn't have control horns for elevators so i made my own. There are tons of tutorials on how to make elevators and control horns.
Step 3: Mounting Electronics
To mount Arduino I used bolts and screws that makes it firm. Then I used hot glue to mount servos and breadboard
Using the diagram above connect servos and IMU (Inertial Measurement Unit). I use jumpers to connect everything and here I have connected a 9v battery to power up the Arduino. No external power source was needed to power up the electronics.
Step 4: Making the Push Rods
Now to make push rods I bend hard copper according to designs I got off from the internet. I have attached a link that you may also get an idea on how to make push rods.
Step 5: Uploading the Program
Code is fairly simple to understand. First we turn on the communication from gyro using I2C Communication bus and then we set gyro offsets to make sure that it always gets the right data to the motors. In the loop function we map the gyro values to the servo and we perform a simple calculation in the program to make sure that the values remain in range (0 - 255)
Step 6: Final Thoughts!
Finally we have a working aircraft stabilizer. This is just a prototype, future plans are to build an airplane out of balsa wood and put the same electronics in the plane to see whether it stabilizes the airplane in air. As far as this project is concerned we can make a Transmitter with arduino and control the elevators using RF Modules
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