Prashanth Rajagopalan
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Drone with Lidar for 3D scanning

Started this discussion. Last reply by Mateusz Sadowski Apr 21. 1 Reply

I want to scan buildings and create 3D models using a drone with a Lidar. What kind of Lidar should I use for this?I would like to start with scanning a small object. Is it possible to do it with any…Continue

Drone indoor navigation

Started Dec 26, 2016 0 Replies

I have a drone with Pixhawk and PX4Flow camera. I want the drone to fly along a line on the floor. Is this possible? If yes, how do I do it? Kindly help.Continue

Smoke from motors

Started this discussion. Last reply by Aamir khan Feb 23. 7 Replies

HiI 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.…Continue

Tags: motor, Hexacopter

Drone indoor navigation using Lidar

Started Aug 4, 2016 0 Replies

HelloI have a drone with Pixhawk as its autopilot. I am trying to make it navigate indoors without colliding into objects. I am planning to use …Continue

 

Prashanth Rajagopalan's Page

Latest Activity

Mateusz Sadowski replied to Prashanth Rajagopalan's discussion Drone with Lidar for 3D scanning
"If you want to survey the buildings using Lidars you will probably want to look for something giving you high point density (probably something made by velodyne for getting points in multiple planes simultaneously). We used TeraRanger Towers for…"
Apr 21
Prashanth Rajagopalan posted a discussion

Drone with Lidar for 3D scanning

I want to scan buildings and create 3D models using a drone with a Lidar. What kind of Lidar should I use for this?I would like to start with scanning a small object. Is it possible to do it with any Lidar or are there specific Lidars for 3D scanning?I have TeraRanger One Rangefinder/Lidar which is used for drone collision avoidance. Can this be used fr 3D scanning objects?See More
Apr 19
Prashanth Rajagopalan replied to Taras Wallace's discussion Pixhawk and Px4Flow Line Following
"Hey rick How did you navigate your drone? Have you worked with the marvelmind beacons as well?"
Dec 26, 2016
Prashanth Rajagopalan posted a discussion

Drone indoor navigation

I have a drone with Pixhawk and PX4Flow camera. I want the drone to fly along a line on the floor. Is this possible? If yes, how do I do it? Kindly help.See More
Dec 26, 2016
Dennison replied to Prashanth Rajagopalan's discussion Smoke from motors
"Are those ESC's OPTO or do they have built in BEC?"
Dec 11, 2016
matt.koestner replied to Prashanth Rajagopalan's discussion Smoke from motors
"There is no calibration or signal the pixhawk could send that would burn your escs.  Do you have multiple bec power from escs in parallel?"
Dec 9, 2016
Amit replied to Prashanth Rajagopalan's discussion Smoke from motors
"i just got 2 motors burned at the same time, Tmotors and castle esc Its got o do with calibration of signals, motors number 1 & 2"
Dec 8, 2016
Prashanth Rajagopalan commented on Nicolas Brieger's blog post Using your own map data in Mission Planner
"i want to map an indoor area. if i know the coordinates is this possible?"
Nov 29, 2016
Andre K. replied to Prashanth Rajagopalan's discussion Smoke from motors
"new...and defective. All you need is one bad soldered gate signal on one FET to end up with DC being applied to a motor (that can admage it) ..or a incorrect winding or connection of leads from the motor - which also could damage esc .."
Nov 18, 2016
Prashanth Rajagopalan replied to Prashanth Rajagopalan's discussion Smoke from motors
"But the motors and the ESCs are brand new :/"
Nov 17, 2016
Andre K. replied to Prashanth Rajagopalan's discussion Smoke from motors
"you can try to use the esc with another motor.  - the burned motor is to be considered defective. (the insulacion between windings is most likely defective now)"
Nov 17, 2016
Prashanth Rajagopalan posted a discussion

Smoke from motors

HiI 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 the ESC. I made sure all the wires are perfectly soldered and connected. Attached sleeves as well. I am really not sure where the problem came from. Would be great if someone could tell me where I went wrong. Btw, Im using T-motor 400kv and T-motor…See More
Nov 16, 2016
Marvelmind Robotics replied to Prashanth Rajagopalan's discussion Drone indoor navigation
"Here is a slightly updated version of the document describing integration with Pixhawk: http://marvelmind.com/#Interfaces => http://www.marvelmind.com/downloads/marvelmind_pixhawk_v2016_10_11a.pdf No drastic changes - just some picture…"
Oct 15, 2016
Karthik Desai replied to Prashanth Rajagopalan's discussion Drone indoor navigation
"@Marvelmind Thank you !! Ordering it soon :-) Will post updates regarding this after integrating with my rover"
Oct 12, 2016
Marvelmind Robotics replied to Prashanth Rajagopalan's discussion Drone indoor navigation
"Thank you, Chris. For those, who have Indoor "GPS", please, share your results and feedback. The integration with Pixhawk works well in our environment. Hopefully, it will work as well in yours."
Oct 11, 2016

3D Robotics
Chris Anderson replied to Prashanth Rajagopalan's discussion Drone indoor navigation
"Nicely done! Thanks for sharing"
Oct 11, 2016

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Please tell us a bit about your UAV interest
I build drones
Hometown:
Chennai

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