All Blog Posts Tagged 'quadrotor' (41)

Disturbance Rejection with Incremental Control of Accelerations

Wind Gusts

Drones have the potential to perform many useful tasks, such as search and rescue, package delivery and aerial imaging. But in order to perform these tasks in an outdoor environment, the vehicles need to be able to control their position under the influence of wind gusts. This is especially true when flying…


Added by Ewoud Smeur on March 15, 2018 at 10:21am — 6 Comments

Bearingless Rotor for Variable Pitch Quadrotor

This video shows the fabrication of a prototype bearingless rotor hub/blade design.

The rotor diameter is 93 cm (36.6 in) and will operate at 1,410 rpm generating 2,000 g's of acceleration at the rotor tip, and developing 1,600 Lbs of tension in the flexelem rod due to centrifugal force.  The blade…


Added by Randy Sonnicksen on March 28, 2017 at 8:12am — 3 Comments

Submarine Quadrotor

 Here's a video from one of our recent tests of our GTQ-Cormorant: a submarine and quadrotor hybrid.

We use an air pump/solenoid system to move air between the clear, water-tight pressure hull and an external air bladder for depth…


Added by DB on November 14, 2015 at 10:30am — 9 Comments

University of Glasgow entry to UAS Grand Challenge 2015

University of Glasgow MAST Lab entry to the iMechE Unmanned Aerial Systems Grand Challenge 2014/2015.

The Unmanned Aircraft Systems Challenge (UAS Challenge) bridges the gap between…


Added by Aldo Vargas on July 9, 2015 at 3:00pm — 5 Comments

Vision based positioning system for Drones

Every drone is uses a GPS ranging from position hold to way point navigation. But the performance of current GPS system has massive scope of improvement. Imagine a drone which can hold its position so well that its performance is comparable to a motion capture system's position hold and likewise for the way point navigation. 

I have implemented a monocular visual odometry on Nvidia's JetsonTK1. Using this implementation, GPS can be replaced with this camera…


Added by robin singh on February 14, 2015 at 9:30pm — 11 Comments

Yet another recovery system...

Here is a short video of what we have been working on this year...

UAV Ballistic Recovery System Development tests from LeteckyUstav on Vimeo.

Galaxy GBS 10 Mulicopter

UAV Parachute Ballistic Rescue System

Development  tests …


Added by Petr Dvorak on December 1, 2014 at 6:30am — 9 Comments

3D printed quadrotor frame using Rotites

This is yet another version of a 3D printed quadrotor, pointed to be one of the workhorses of my research... The main characteristic of this frame is that instead of using nut and bolts to join the arms and the base together, like in TEGO v2, I'm…


Added by Aldo Vargas on February 12, 2014 at 1:12pm — 8 Comments

Variable pitch central motor quad copter


I have a long history of being involved with R/C planes and helicopters and moving into drones is a natural extension of that. However, until recently I had little exposure to quad copters and I had the opportunity to see them fly at a drone meet. I got interested in them and decided to build my own…


Added by Fred Briggs on January 14, 2014 at 10:30am — 24 Comments

Completely Autonomous (Onboard Processing) Palm-sized Quadcopter

Hi, drone developers. I am a master student at department of Aeronautics and Astronautics, University of…


Added by Phenox Lab on January 6, 2014 at 3:00am — 5 Comments

Updates from NavStik: World's smallest/lightest micro navigation and control module!


NavStik users are now using NavStik to build a variety of autonomous systems. Its extremely small size and light weight (4 grams), coupled with a powerful Cortex M4…


Added by Nitin Gupta on November 27, 2013 at 1:30am — 8 Comments

A view behind the scenes at TED Global, quadrotor “athletes” demo

Raffaello D’Andrea, and the ETH Flying Machine Arena will perform a demo on TED Global. Take a look at the preparation behind the scenes…


Added by IKE on June 11, 2013 at 9:00am — 4 Comments

Fabricating custom autopilot, GPS, and battery mounting solutions with lasers

I'm very grateful to be in community that supports a laser-equipped Fab Lab. Lately I've been designing and fabricating custom components for my unmanned aircraft, especially components that are easily integrated into existing systems.

Above is a photo of one of my latest creations: a solution that houses a five or six-cell LiPo, an APM 2.5 autopilot…


Added by Matthew Schroyer on May 8, 2013 at 8:30am — 2 Comments

Quadrotor With Tilting Propellers Can Twist in Midair

By Evan Ackerman

Conventional quadrotors are what’s called underactuated robots, which means that they can move in more ways than they have independent control over. For example, they can happily yaw around to any angle you want while otherwise stationary, but if you ask them to pitch or roll, they can’t do it without also changing their position: if you…


Added by Thomas J Coyle III on May 8, 2013 at 8:00am — 12 Comments

Firmware update: now it's flying!

Hi everyone!

First I would like to thanks to all the people that commented, see, and shared my work. I'm really happy you enjoyed it.

Now the important part. I've been very busy on the firmware and the flight software. The board is still the same :D. T he system is doing very well and the attitude autopilot is working great. Here is a video of the last…


Added by Alan Kharsansky on May 3, 2013 at 1:00pm — No Comments

Autonomous (Camera & IMU based) localization for a Parrot AR.DRONE Quadrotor

In this video the application of a Visual-Inertial (Camera & IMU) localization algorithm on a Parrot AR.DRONE quadrotor, for enabling real-time GPS-denied autonomous navigation, is presented.

A sensor package for data logging, consisting of a Beaglebone computer, an…


Added by Dimitrios G. Kottas on January 3, 2013 at 4:00pm — 7 Comments

Some FPV from the summer. Testing out OP CC3D on a QAV500.

Some FPV from the summer. Testing out OP CC3D on a QAV500.


Added by Kevin Vertucio on October 20, 2012 at 5:27am — 7 Comments

My custom quadrotor build with DIY IMU/code

I completed my first build recently, having made a quadrotor. I built it from scratch, no kits involved, using Wii bits for the IMU and a LPC2103 for the brains running my own code. Weighing in at around 2.4kg it's not the lightest quadrotor around, but its motors are more than powerful enough. I've yet to…


Added by Gavan Fantom on September 16, 2012 at 11:00am — 2 Comments

Robot Control course from Coursera featuring quadrotor control

I thought some of you might be interested in this:

Control of Mobile Robots

Magnus Egerstedt (Georgia Tech)

About the Course

This course investigates how to make…


Added by Roy Brewer on July 28, 2012 at 7:00am — 10 Comments

Quadcopter maiden flight


Finally my x550 and APM2 quadcopter is complete! And I have successfully flown!. 

Right now I seem to have a bit of  yaw problem, as well as a trim/balance issue. Since the frame is not quite flat it can be hard to tell exactly what should be level, and when I yaw in a different direction, it seems to always return to original. I think I need to…


Added by ikrase on June 10, 2012 at 11:30am — 3 Comments

Walking Quadrotor

[EDITOR'S NOTE:  This topic has been posted in a previous blog.  Here's the link]

Hi everybody,

This is one of the toys I have designed lately as a part of my graduate project.



Added by Arash Kalantari on June 4, 2012 at 3:30pm — No Comments

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