Questions tagged [quadcopter]

A quadcopter, also known as a quadrotor, is a multirotor helicopter that is lifted and propelled by four rotors.

Filter by
Sorted by
Tagged with
3
votes
2answers
899 views

Removing quadcopter drift to the side

I wrote my own quadcopter firmware which is based on some older code. This code shall stabilize the copter to be always in equilibrium. The model is behaving relatively nice. I can control it with my ...
1
vote
1answer
96 views

A few questions about my first quadcopter build [closed]

I'm planning to order parts for my first quadcopter build and I had a few questions. Here is my parts list. I'm crossing my fingers that they are all compatible, and I'm pretty sure they are. I have ...
2
votes
1answer
533 views

Can a rigid-prop quadcopter hover upside-down?

Most small quadcopters use rigid rotors with some fixed pitch. In principle, I can imagine it might be possible for such a rigid-prop quadcopter to hover upside-down, but that apparently requires ...
0
votes
2answers
333 views

Quadrocopter build - Do these parts look fine?

I am completely brand new to quadrocopter building. I am currently about to start building a Quad. I have done a little bit of research and was thinking of buying the following parts: KK2.1 Hobbyking ...
8
votes
4answers
5k views

Are propellers dangerous? [closed]

Aren't all propellers super dangerous? How are these startups like Hex and Pocket Drone selling drones as 'kid-friendly' to consumers? What happens if a kid puts his finger in a propeller's movement ...
5
votes
1answer
420 views

Benefits of the Number of Propellers

I am planning on creating a quad-copter with my Arduino that I have. I have created a few land robots before but no aerial vehicles, so this is all new to me. I was looking on the Internet for ...
3
votes
4answers
2k views

Quadrocopter first build: how to tell if components play well together?

I'm building my first quadrocopter, and I'm trying to come up with a parts list that is suitable for a first build. I will use this to learn how to fly a quadrocopter manually (lots of crashes!), ...
3
votes
1answer
2k views

Android phone + ADK + Arducopter APM 2.5 for autonomous quadcopter

for a project for a robotic lab, i'd like to build an automous quadcopter able to follow a path and land on its own. I'd like to use an onboard android phone to do the image processing and recognition ...
6
votes
1answer
682 views

What do quadcopter propeller specifications mean?

I'm trying to figure out the diameter of tri-blade propellers. I found a 7x3x4.5 blade, I'm trying to understand the measurements. Is the '7' the length of the blade giving the prop a 10.5" diameter? ...
3
votes
2answers
3k views

Quadcopter Props? Wood vs Plastic vs Carbon Fiber

All the pro FPV builds and the more expensive quads don't seem to be using plastic props. Any reason for this?
2
votes
1answer
1k views

Low Amp FPV Quadcopter Motors

Why do FPV Quadcopter Motors (usually the more expensive ones) draw lower amps than regular motors? And why are they more squat(disk shaped) as opposed to normal motors which are about the same ...
1
vote
2answers
1k views

How can I start programming proto X quad

I have bought a really small proto X quad (it has a joystick which navigates the device) and I am looking for a way to send a signal to this thing from my computer. So can anyone point me how can I ...
2
votes
3answers
933 views

Compensating for Yaw in Lateral Quadcopter Movement

I'm trying to make a quadcopter move laterally at a certain angle. I've been able to find the proper roll and pitch angles for this (that work with a yaw of 0°); how would I adjust these values to ...
0
votes
3answers
756 views

Is it possible to achieve fully autonomous route following using PX4FMU module?

I have a quadcopter equipped with PX4FMU board. You may download its datasheet from HERE. I wonder whether it is possible to program the quadcopter to autonomously follow a path like circular motion ...
2
votes
2answers
1k views

What can be the rating and specifications of dc motor used for making a quadcopter?

I want to make a quadcopter for my final year project and I am willing to use DC motors as the four rotors of the quadcopter. Can any one guide me about the ratings for proper motor selection for my ...
13
votes
3answers
18k views

Quadcopter PID tuning

In continuation of the question I asked here: Quadcopter instability with simple takeoff in autonomous mode ...I'd like to ask a few questions about implementing a basic PID for a quadrotor ...
2
votes
2answers
705 views

KK2.0 Quad Stablility

I'm running a kk2.0 + 4 20A Multistar ESCs + 4 EMax GF 2215-20 motors + 4 Slow Fly Props After about a foot off the ground, the entire quadcopter starts wobbling like crazy (no auto-level). Any ideas?...
5
votes
3answers
13k views

Quadcopter Position Measurement (Accelerometer, GPS or Both)?

I previously thought that an accelerometer on a quadcopter is used to find the position by integrating the data got from it. After I read a lot and watched this Youtube video (specifically at time 23:...
7
votes
2answers
4k views

How to know the desired orientation of a quadcopter?

I am trying to simulate a quadcopter model on Simulink. I want to implement a PID controller for each of X,Y,Z and phi,theta, psi angles. PID gets the error, as input, which is to be minimized. For ...
1
vote
2answers
336 views

Quadcopter configuration [closed]

I'm building a quadcopter. It will be controlled by a Beaglebone black with several Sensors and a cam. I new to the quadcopter stuff, therefore it would be nice if someone could have a look at my ...
4
votes
5answers
6k views

Quadcopter instability with simple takeoff in autonomous mode

I'm trying to get a quad rotor to fly. The on board controller is an Ardupilot Mega 2.6, being programmed by Arduino 1.0.5. I'm trying to fly it in simple autonomous mode, no Radio controller ...
4
votes
1answer
2k views

sending and receiving parameters to ardupilot

I am interested in getting an arducopter with an ardupilot(APM). I read through the documentation and from what I understand, ardupilot is the low level hardware and firmware that directly controls ...
9
votes
2answers
13k views

How to use Arduino for ESC control?

I am using an Arduino Uno to control an ESC for my (in progress) quadrocopter. I am currently using the servo library to control the ESC, which works great. Except.. A count of 100 is max speed, ...
1
vote
0answers
87 views

quadrotor experimental identification [closed]

i want to model the quadrotor using experimental method "i have not built it yet" what i want to do is: turn only one motor at a specific speed ,then plot the x,y,z and the angles then identify the ...
3
votes
3answers
3k views

Telemetry with Ardupilot 2.6

I'm using the telemetry kit from 3DR robotics (433MHz) to interface with Ardupilot Mega 2.6, controlling a quadcopter. The Mission Planner (v1.2.84) by Michael Oborne works well with the telemetry kit,...
3
votes
3answers
1k views

What is the most appropriate SLAM algorithm for quadrotors with RGB-D camera?

I have been researching on SLAM. I came across EKF SLAM which uses odometry to measure the robot's initial position in the map and as well as landmarks which helps the robot's position to be more ...
5
votes
4answers
12k views

Stabilizing a quadcopter with optical flow

My quad copter can balance itself in the air using data collected from mpu6050. With the sonar sensor, it can hover at a specific height, but it moves on the horizontal plane in a random direction. ...
0
votes
1answer
16k views

How Yaw, Pitch and Roll effect the flight of Quadcopter? [duplicate]

I am doing simulation of Quadcopter in simulink. I want to know how Yaw, Pitch and Roll effect the flight of Quadcopter? and How these are different from a single rotor helicopter? Mainly how to ...
4
votes
1answer
2k views

quadcopter parameters calculations for simulink model

I want to make a mathematical model of quadcopter in simulink. I have studied quadcopter, although I am new and not build any flying robot before. I studied so far that I have to use four brushless DC ...
3
votes
2answers
4k views

Tracking with accelerometer and gyro versus multiple accelerometers

I'm building quadcopter and most of the control systems use one accelerometer and gyro. I've read few papers and usually accelerometer is used as reference to the ground because gyro slowly drifts ...
0
votes
1answer
801 views

MPU-6050 + Arduino nano - Logic converter or not? [closed]

I bought this MPU-6050: link According to the manufacture site, the sensor logic level is 3.3V (though the ebay page says Power supply :3-5v) Should I use a 4 ...
8
votes
1answer
1k views

How can I manipulate real-time sonar data from my Arducopter in Arduino?

I have a APM 3DR Quad with a 3DR radio telemetry kit. I would like to send real-time sonar data to my laptop (running Windows 7) in order to manipulate it in an additional Arduino Sketch. The ...
18
votes
3answers
21k views

Why do quadcopters use brushless motors

I've been thinking about starting a quadcopter project, maybe building it from scratch. One of the main barriers-to-entry for me is the motors: it seems like most quadcopters use brushless motors. I ...
2
votes
2answers
609 views

ArduIMU noisy output in Quadrotor

We are using ArduIMU (V3) as our Quadrotor's inertial measurement unit. (we have a separate board to control all motors, not with ArduIMU itself). Now we have a problem with ArduIMU's sensors output....
5
votes
2answers
524 views

If you can create pure yaw motion with a quadcoptor then why won't this work with a tricoptor?

An answer to the question Why are quadcopters more common in robotics than other configurations? said: You need 4 degrees of freedom to control yaw, pitch, roll and thrust. Four props is ...
7
votes
5answers
8k views

Track a moving object

If this has already been answered, by all means please point me to it. I am in the process of building a quadcopter which I eventually plan to run autonomously by allowing it to track an object and ...
2
votes
1answer
3k views

Use of automated tricopters instead of quadcopters? [duplicate]

Hy, I just found useful to post my idea here. I've seen videos about automated quadcopters: http://www.ted.com/talks/raffaello_d_andrea_the_astounding_athletic_power_of_quadcopters.html and http://...
8
votes
3answers
3k views

Quadcopter application underwater

Just out of curiosity, can the concept of a Quadcopter be applied to an ROV? Would it work the same way underwater as it would be in Air? If not what kind of modifications it would take to implement ...
1
vote
2answers
1k views

Does more “Power” (W) means better motor?

If a motor has more Power (W) from another it means that it is better?
1
vote
1answer
891 views

Is this a good quadcopter build? [closed]

3D CAD: After some editing: I'm building the frame myself from aluminum and polycarbonate. EDIT: all frame is polycarbonate except of the arms (and all screws & nuts & washers)), they are ...
2
votes
1answer
3k views

Most material efficient quadcopter frame

I haven't made or flown any quadcopter, but I am fascinated by them. But when looking at the frame of a lot of designs, after whachting this video I wondered why a lot the frames are in an X shape. ...
4
votes
3answers
4k views

Controlling a quadrotor from a PC

I need to control quadrotor from a PC, without using a joystick. I have got a mini-beetle quad V929 Beetle 4-Axis and also have this NRF24L01+ Wireless Transceiver Module Chip (2.4 GHz ...
4
votes
1answer
768 views

Prop Orientation on a Multirotor

While looking up information for the right propellers for my quadcopter, I realized that they had different orientations i.e. Clockwise and Counterclockwise. On further research I found that all multi-...
1
vote
7answers
1k views

Aluminum vs Carbon Fiber

So building a quadrocopter from scratch HAS a lot of decision making, and I need some input on the material choice. I have short listed Aluminum and Carbon Fiber for the Arms and support of the ...
6
votes
3answers
1k views

Permission to fly UAVs

Okay, this might sound like a stupid question but, is there some sort of a permission in the US I might require to fly a quadcopter or a UAV for that matter? I couldn't find much help anywhere else.
3
votes
1answer
121 views

Multicopter odd or even [duplicate]

I would like to ask which is better to design the multicopter with odd or even number of propellers? and why?
3
votes
1answer
482 views

Is there a benefit to using 2 IMU units on a UAV set at different sensitivities?

I noticed that some IMU units are tuned to be sensitive to small changes, other to large changes and some that can be adjusted between different sensitivities. I am familiar with the use of a Kalman ...
8
votes
5answers
13k views

Using an Xbox controller to fly a Quadrocopter

So I have a quadrocopter, it does come with a remote but I intend to run certain modifications to the copter, like installing a camera, a mechanical manipulator, and other random modifications. The ...
6
votes
1answer
824 views

Quadrotor control using ArduIMU

We are using ArduIMU (V3) as our Quadrotor's inertial measurement unit. (we have a separate board to control all motors, not with ArduIMU itself). As mentioned here , the output rate of this module ...
11
votes
3answers
13k views

How to stabilize a quadcopter

Today was my quadcopter's first "flight". I'm running megapirate on a Crius AIOP v2 with a Turnigy Talon v2 frame. I only touched the throttle stick on my remote, nothing else. When I felt the ...

1
6 7 8
9
10