Prashanth Rajagopalan's Discussions (18)

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Smoke from motors

Hi

I am currently working on a hexacopter. After completing the assembly I tried to calibrate the motors. One of the motors didn't spin properly and smoke started coming from it. This happened twice. I don't know if the problem is with the motor or th

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Drone indoor navigation

I am trying to make my drone navigate indoors and I plan on using ultrasonic sensors. How do i integrate the ultrasonic sensor to my drone?

Should i integrate it with the autopilot/pixhawk through an arduino? Im not sure about this. It would be great

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Drone indoor navigation

HelloI've built a drone (quadcopter) with Pixhawk as its flight controller. I want to navigate this drone indoors where GPS signals are absent. I came across a few methods but I couldn't find out how to do it.1. Camera, laser scanner, IMU (simultaneo

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Drone crashing

my drone is toppling to one side and crashing instead of hovering. i have a feeling that one motor is rotating at a lesser RPM compared to the others. How do I check the RPM of each motor? I know a laser tachometer can be used but i don't have one. C

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Drone PID tuning

I would like to know more about PID. The math behind it, the calculations, the parameters, everything in detail. We know we can change the PID values on Mission Planner by observing the flight. That is what a customer does. But from a developer point

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PID

Hello

I read about PID tuning of the drone. I understood the basics. I would like to go in depth and read on how to calculate P I and D values. If anyone knows any links for PID calculation of drones please share.

Thank you. 

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PID

Hello

I read about PID tuning of the drone. I understood the basics. I would like to go in depth and read on how to calculate P I and D values. If anyone knows any links for PID calculation of drones please share.

Thank you. 

Read more…

Quadcopter not taking off

Hello

I am working on a quadcopter (plus frame). Everything seems to be right - the motors and props direction, connections, calibrations. Shows no error. Motors/props spin. But how much ever throttle I give, the drone wont take off. I dont think weig

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