Robotics Basic | Sensors and Perception by Diljeet Singh | Learn Smarter
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Sensors and Perception

Robots rely on sensors to perceive their surroundings and interact effectively. Various sensors, including infrared, ultrasonic, and cameras, convert physical inputs into data for autonomous decision-making, emphasizing the significance of sensor fusion and calibration for accuracy.

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Sections

  • 1

    What Are Sensors?

    Sensors are devices that detect physical inputs and convert them into data for robots, allowing them to perceive their environment.

    Learning Practice

  • 2

    Types Of Sensors

    This section describes various types of sensors in robotics and their functions.

    Learning Practice

  • 2.1

    Infrared (Ir)

    Infrared sensors help robots detect obstacles and distances using IR light, allowing them to navigate and respond to their environment.

    Learning Practice

  • 2.2

    Ultrasonic

    Ultrasonic sensors measure distance using sound waves, playing a crucial role in robotic navigation and obstacle avoidance.

    Learning Practice

  • 2.3

    Touch/limit Switch

    The Touch/Limit Switch is a sensor that detects physical contact, playing a crucial role in robotic applications such as collision detection and safety.

    Learning Practice

  • 2.4

    Light/photoresistor

    The light/photoresistor, a sensor that detects light intensity, plays a critical role in enabling robots to adapt to varying lighting conditions.

    Learning Practice

  • 2.5

    Temperature

    This section discusses the role of temperature sensors in robotics, focusing on their importance for monitoring heat levels and safeguarding devices.

    Learning Practice

  • 2.6

    Gyroscope/accelerometer

    This section discusses gyroscopes and accelerometers, focusing on how these sensors measure motion and orientation, and their applications in robotics.

    Learning Practice

  • 2.7

    Camera (Vision)

    This section focuses on the role of cameras as a type of sensor in robotics, enabling machines to perceive visual information for tasks such as facial recognition and object tracking.

    Learning Practice

  • 2.8

    Gas/smoke Sensors

    Gas and smoke sensors are critical components in robotic systems, ensuring safety by detecting harmful substances.

    Learning Practice

  • 3

    How Sensors Connect And Communicate

    This section explains how different types of sensors connect and communicate data within robotic systems.

    Learning Practice

  • 3.1

    Analog Sensors

    Analog sensors provide continuous output that is essential for robotics and automation.

    Learning Practice

  • 3.2

    Digital Sensors

    Digital sensors provide binary output, allowing robots to process clear signals about their environment.

    Learning Practice

  • 3.3

    Communication Protocols

    This section covers how sensors connect and communicate with microcontrollers using various communication protocols.

    Learning Practice

  • 3.4

    Integration Example

    This section introduces the integration of sensors with microcontrollers, emphasizing the example of an ultrasonic sensor and an Arduino to illustrate how robots can interact with their environment.

    Learning Practice

  • 4

    Sensor Fusion

    Sensor fusion combines inputs from multiple sensors to enhance environmental understanding in robotics.

    Learning Practice

  • 4.1

    Example

    Learning

  • 5

    Sensor Calibration And Accuracy

    Sensor calibration ensures accurate readings, while accuracy is vital for reliable robot performances.

    Learning Practice

  • 6

    Chapter Summary

    This chapter emphasizes the significance of sensors in robotics, detailing various types and their critical roles in automation.

    Learning Practice

References

Chapter 4_ Sensors and Perception.pdf

Class Notes

Memorization

What we have learnt

  • Sensors are essential for r...
  • Common types of sensors inc...
  • Sensor fusion and calibrati...

Final Test

Revision Tests