Mechanics for High School Students: Building a Robotic Arm

In summary, the conversation discusses a high school student's interest in learning mechanics in order to build a robotic arm. They are struggling with the difficulty of mechanics and are seeking advice on where to start. The suggestion is to begin by reading about linkages and analyzing their movement and forces. It is recommended to use computer simulations before purchasing materials or doing any fabrication. The student will also develop skills in visualisation, 2D and 3D geometry, and working with vectors and matrices.
  • #1
kamalMKA
2
0
TL;DR Summary: Mechanical engineering,robotics,mechnics,dynamics

Hi guys , I'm new to mechnics and I want to learn it for building robotic arm , but I find mechanics book topics somewhat difficult for me , what I need to learn to get started as I'm a highschool student with basic level math.
 
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  • #2
Welcome, @kamalMKA !

Do you have specific school assignment?
if so, could you show us the scope and degree of difficulty of your project?
 
  • #3
Thank you for replying , No I want to make this project for myself , but I know nothing about mechanics in order to build the structure of robotic arm , so I want to start learning about mechanics but I don't know where to start , I'm so sorry if my question shouldn't be posted here , but I really need some help.
 
  • #4
Start reading here; https://en.wikipedia.org/wiki/Linkage_(mechanical)
Measuring and analyse a few linkages, such as the digging arm on an excavator or backhoe.
https://en.wikipedia.org/wiki/Backhoe

If you use a computer, to simulate the movement and calculate the forces, then you do not have to purchase materials or do any machining or fabrication, until you are happy with the design and performance.

You will develop visualisation and mathematics skills in 2D and then 3D geometry.
You will encounter vectors, as complex numbers, and as matrices.
 
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Likes kamalMKA and Lnewqban

FAQ: Mechanics for High School Students: Building a Robotic Arm

What are the basic components needed to build a robotic arm?

The basic components needed to build a robotic arm include servos or motors for movement, a microcontroller (such as an Arduino) for control, a power supply, structural elements (such as metal or plastic parts for the arm's frame), sensors for feedback, and connecting wires. Additionally, software is required to program and control the robotic arm.

How do servos and motors work in a robotic arm?

Servos and motors are essential for the movement of a robotic arm. Servos are used for precise control of angular or linear position, velocity, and acceleration. They are typically used for joints that require precise positioning. Motors, on the other hand, provide continuous rotational movement and are used for tasks that require constant motion. Both servos and motors are controlled by sending electrical signals from the microcontroller.

What programming languages are commonly used to control a robotic arm?

Common programming languages used to control a robotic arm include C++, Python, and Java. For microcontrollers like Arduino, the Arduino programming language (based on C++) is widely used. Python is popular for its simplicity and extensive libraries, while Java is used in more complex robotics applications due to its object-oriented features.

How do sensors enhance the functionality of a robotic arm?

Sensors are crucial for providing feedback to the robotic arm, enabling it to interact with its environment. Common sensors include touch sensors, distance sensors, and gyroscopes. These sensors help the robotic arm detect objects, measure distances, and maintain balance, thereby improving accuracy and functionality. The data from sensors are processed by the microcontroller to make real-time adjustments.

What are some common challenges faced when building a robotic arm?

Common challenges include ensuring precise control and synchronization of movements, managing power supply and distribution, integrating various components and sensors, and troubleshooting programming errors. Additionally, designing a robust and flexible mechanical structure that can withstand repetitive movements without wear and tear can be challenging. Overcoming these challenges often requires a combination of mechanical, electrical, and programming skills.

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