Ebad's

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Robot Operating System- ROS

I first came across ROS, when I googling how to become a proper robotics developer. But it wasn’t until my Final Year Project when I learned about ROS.

For my final year project I decided to replicate MIT’s famous open source project : Duckietown. At that time, documentation for Duckietown was quite bad specifically for a person like me who was still a beginner and had no clue about how ROS works.

Control Systems – Part 4

Extracting Transfer Function of DC Motor System Identification Toolbox Transfer function can also be obtained using System Identification Toolbox in MATLAB. To work on the data we first convert our data into time domain data for this we use ‘iddata(y,u,Ts)’command, this creates an iddata object containing a time-domain output signal y and input signal u, respectively. Ts specify the sampling…

Control Systems – Part 4

Extracting Transfer Function of DC Motor System Identification Toolbox Transfer function can also be obtained using System Identification Toolbox in MATLAB. To work on the data we first convert our data into time domain data for this we use ‘iddata(y,u,Ts)’command, this creates an iddata object containing a time-domain output signal y and input signal u, respectively. Ts specify the sampling…

Control Systems – Part 3

Extracting Transfer Function of DC Motor The Code and Data Acquisition    The complete code is available on my Github   Now because we need different sets of input and output data, we need to see the response of motor over various values of voltage. We do this by varying PWM and measure the corresponding voltage. PWM Voltage (V)255 10.4 100 7.56 75 6 50 3.68 The table above shows the…

Control Systems – Part 2

Extracting Transfer Function of DC Motor Hardware Setup The motor has 6 wires, from the data sheet it can be found that 2 wires are for motor power and ground, 2 for the encoder sensor power and ground and 2 wires are the output from the encoder. Motor has a built in quadrature encoder, and gives out pulses as signal. The integrated quadrature encoder that provides a resolution of 16 counts per…

Control Systems – Part 1

In 7th semester, one of the course I am learning is Feedback Control Systems. Now those who know about Control Systems and my interest for Robotics, would know how much this course interested me. What made this course more interesting was the teacher assigned to our class, Hafiz Muhammad Furqan, and also the project assigned for this course which emphasized on design and critical thinking. The…

EjaadTech and the Line Following Robot

The Internship Few days ago ‘Internship at Ejaadtech‘ popped up in my Facebook memories. And I realized that it has been now a year, since I completed my short internship at EjaadTech. Its one of those experience where I felt that I was doing engineering. When my 2nd Year of engineering was near to an end, I was searching for ‘robotics’ in Karachi, and it was then when I found the Facebook…

SEURBOT v.2 – The Light Following and Sound Responding Robot

MOOCs and SEURBOT v.2 The MOOCs I remember when few years ago, people used to advice my parents not to let us use the internet because its such a dark and evil place. Well those days are gone and now any sane person knows the benefits of internet. However, many of us still do not take its advantage to the fullest. One of the most amazing thing that exists on internet are MOOCs, Massive Open…

The Brainless Robot- SEURBOT v.1 Light Following Robot #robotics #robot #seurbot #seur

hen I started the Electrical Engineering program at NED, I was very excited. That I will finally be to do something practical and will start making cool stuff. Well that excitement just died within a month. Classes were boring than ever, even in labs major time was spent listening to lectures rather than doing anything hands on.

In third semester we were assigned to make a project for,…