Object Avoidance Pixhawk Quadcopter

I'm not looking for answers I'm looking for guidance. I'm doing a University quadcopter project, and I purchased a pixhawk for autonomous flight mode and I will be using mission planner. I'm going to use 5 ultrasonic sensors placed on the drone, that will ultimately, connect to a beaglebone black. I was thinking of writing a python script for the sensors but I'm slightly confused and don't know where to begin.

How do I interrupt the way point mission planner to run my script once the quad copter is too close to an object? I'm not exactly sure how this works.

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  • We wrote a searching pattern algorithm that the drone would travel, while a separate raspberry pi like board was doing image processing to look for characteristics of a flame. Once it found a flame it would send an interrupt to the flight controller and release a chemical to drop on the fire. The payload was carried by a custom designed box with a solenoid controlled release door.
  • Thanks for your reply. And what were you able to do at the end of the project with your drone? 

    Adam Kutchak said:

    BOM.xlsx.pdf

    That is just about everything except we didn't use a flir Tau camera, we used some hd webcam

    Object Avoidance Pixhawk Quadcopter
    I'm not looking for answers I'm looking for guidance. I'm doing a University quadcopter project, and I purchased a pixhawk for autonomous flight mode…
  • BOM.xlsx.pdf

    That is just about everything except we didn't use a flir Tau camera, we used some hd webcam

  • What was your architecture? What kind of drone did you use? Which camera and which onboard computer? 

    Thanks a lot for your time



    Adam Kutchak said:

    We had a camera attached and it search for a fire and drop a chemical fire suppressant (baking soda) on the fire
    Object Avoidance Pixhawk Quadcopter
    I'm not looking for answers I'm looking for guidance. I'm doing a University quadcopter project, and I purchased a pixhawk for autonomous flight mode…
  • We had a camera attached and it search for a fire and drop a chemical fire suppressant (baking soda) on the fire
  • Can I ask what you did achieve? Im trying to do something similar and any help you could give would be great

  • Unfortunately it didn't, the object avoidance was a stretch goal that we didn't have time for
  • Did this ever get completed? 

  • 3D Robotics

    Use DroneKit for that, with an onboard companion computer (RaspberryPi works great).  It's uses Python based. You can get the Ultrasonic sensor states with this the VehicleState function. 

    • So I will write the entire mission planning script with this? Or is there a way to interrupt the mission planner, make it move away from an object, then return to the mission planner? I apologize I don't know much about drones, my group decided they wanted to do a drone project.

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