ROBOT SENSORS

ROBOT SENSORS

A sensor (also called detector) is a converter that measures a physical quantity and converts it into a signal which can be read by an observer

Features of Sensors

•Accuracy – the true value of the variable can be sensed with no systematic positive or negative errors in the measurement.

•Precision – it means that these is little or no random variability in the measured variable.

•Operating Range – the sensor should posses a wide operating range and should be accurate and precise over the entire range.

•Speed of Response – the transducer should be capable of responding to changes in the sensed variable in minimum time.

•Calibration – the sensor should be easy to calibrate.

•Reliability – the sensors should possess a high reliability. It should not be subject to frequent failures during operation.

•Cost and ease of operation – the cost to purchase, install and operate the sensor should be as low as possible.

Use of Sensors in Robotics

    1.Safety monitoring

2.Interlock in work cell control

3.Part inspection for quality control

4.Determining positions and related 

    information about objects in the cell.