# All Questions

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### Role of Neuromorphic Computing and Quantum Computing in the field of Robotics and AI

I asked a similar kind of question some time ago (Neuromorphic Engineering and Robotics) Since then, many things have come to the point of revelation. A road-map for neuromorphic computing was ...
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### robot control law - control theory vs optimal control

For a robot, say path planning in particular, what are the pros and cons of choosing classical control theory or optimal control (LQR for example) ?
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### Radio-control over dozens of kilometers and mountains

I am wondering what technology should I use to transmit data (enough for controlling the robot and receiving video) over dozens of kilometers and mountains ?
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### what is the minimum number of RC channels required to control Quad Copter?

Most of the blogs/website say we need minimum of Four channels for a quadcopter (pitch, roll, throttle, yaw): One channel for throttle second channel for turning right and left. third channel for ...
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### PID output does not reach setpoint precisely enough

I'm developing/tuning a software PID for a quadcopter. For now I'm only trying to stabilise the pitch angle using the front and back motors, and I'm only looking at Kp. The motors have a control ...
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### Why does iRobot not sell the Create in Europe?

I'm trying to find a good beginners platform to use ROS with, and I came across the iRobot Create. To my surprise, they do not sell in Europe. Why is that?
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### Crimp or Solder to LiPo Battery?

So, I'm planning out my second hobby robot(I'm 15). I am planning on using a 7.4V LiPo battery and my idea is to solder on a 3-pin header to connect to the electronics. Anyways, should I solder to ...
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### Position and Object Data Tracking

I'm new to robotics, so I'm not sure how to do this. For a class project, I'm trying to measure 1) the position of a moving weight stack and 2) the value of the weight based on a calibrated/preloaded ...
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### Wire gauge for hobby robot question

So, i'm making my second ever hobby robot(I'm 15) and am planning on soldering my own connectors for the battery, sensors, Arduino, etc. It will be a small mobile robot. Anyways, I was wondering what ...
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### How to know what motor/ESC/propeller combination will work for a quadcopter?

I am preparing for my first quadcopter build and need to know how to tell what motors/ESC's/propellers will work with each other. I also would like to know how to tell what the motors would be capable ...
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### Datasheet for Taos TCS3200 GY-31

Can someone please post the datasheet for the colour sensor mentioned above. All i can find is for TCS3200
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### Quadcopter Throttle and PID mixing to Motor Speed

I've been writing some quad copter software and I am not sure what the best way is to map the throttle and PID inputs to ESC power. My throttle range is 0-1 and my PID outputs are 0-1. My ESC's have ...
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### Point tracking from a mobile robot

How can I track a fixed point $P=(x_P, y_P)$ from a moving robot? Coordinates of $P$ are relative to the state/pose of the robot (x axis looks forward the robot and y axis is positive on the right ...
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### How to turn a rover 90 degrees using wheel encoders?

I have a four wheel DC rover with two optical wheel encoders. I'm executing rover turns by controlling the direction of wheel motion on either side of the rover. To turn left, all wheels on the left ...
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### differential drive PID controller

I have a differential drive robot that works fine (good PD parameters) driving at say 1 m/s. Now, if it speeds up (to 1.2 m/s) it starts wobbling again. What would be a good strategy for a controller ...
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### NXT Segway problem. Need advice/help

I'm attempting to build a segway robot using a gyrosensor and accelerometer. I'm having trouble getting the robot to remain standing, for some reason, and I can't identify the problem. Here's what I ...
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### Building a robot that can explore a certain region

I am thinking about making a robot that can explore a certain region, not too big, (https://goo.gl/maps/3nMU4) and know where certain locations are (School, Buildings, Dining room(This is a boarding ...
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### Is it possible to record only incoming data with realterm?

I am trying to test a sensor circuit I'm working on. Essentially, I am using RealTerm to send commands to the microcontroller and it is returning the value read by the sensor. When logging to a file ...
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### Computing inverse kinematic with jacobian matrices for 6 dof manipulator

I'm trying to calculate the inverse kinematic for an 6 dof manipulator. Task: A target point $p_{target} = (x,y,z)^T$ and the orientation $o_{target} = (a, b, c)^T$ are given and I want to get the ...
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### What are the advantages of using the Denavit-Hartenberg representation?

When one wants to model a kinematic chain and in particular define the frames attached to each body, it is common to use the Denavit-Hartenberg parameters. What are the advantages of this ...
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### Multi coloured lines following robot using arduino

For my final year project I have to build a colour lines following robot. Different coloured (minimum 7) 2cm tapes will be placed on a white/black regifoam. All the tapes will start from the same ...
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### What is the Name of the part I'm describing

I'm looking for a part that will do a particular function. It has to be able to move along one axis and tell me the force that is being exerted on it. Kind of how like a piston moves inside an ...
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### Maximum Distance using Ultrasonic sensor Arduino

What is the maximum distance (of say , a car ) you could measure using an ultrasonic sensor that would be compatible with arduino? Is there any sensor(ultrasonic or not) that could measure the ...
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### Robot start-up movement problems

I have created robot using a robot chassis kit from hobbyking. At first when testing the robot connected to USB power source and the wheels lifted above the ground everything seemed to be OK. Then, ...
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### Set CANopen Node ID of Ingenia Pluto DC Servo Drive

Does anybody know how to configure the node ID of an Ingenia Pluto DC Servo Drive? I've got a request out to their support team, but perhaps somebody here is already familiar with these drive boards. ...
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### Using 3DR Radio to communicate ArduPilot Data

I am trying to send some data over to my PC from the Arduipilot, I used a Normal USB connection to send over a recurring string like this:- ...