Sensors

Le résumé fourni par la source

This chapter provides a comprehensive overview of sensors in mechatronic and robotic systems, detailing their fundamental principles, classifications, and practical applications. The text outlines sensor functions, details their structure and operation, and categorizes them as analog or digital. Resistive, electromagnetic, capacitive, optoelectronic, and piezoelectric sensors are reviewed, and their functions in measurement and control are summarized. Integration of sensors with electronic circuits emphasizes signal conditioning methods such as voltage dividers and Wheatstone bridges for enhanced sensitivity and accuracy. Practical examples illustrate the use of sensors for measuring distance, position, force, torque, temperature, and light, with attention to advanced technologies like GPS and LiDAR. Sensor characteristics such as linearity, sensitivity, repeatability, noise immunity, and calibration are outlined. The chapter concludes by emphasizing the importance of sensor selection, integration, and calibration in achieving reliable and precise measurements in modern engineering systems.

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