Flex sensor

A conductive ink based flex sensor

A flex sensor or bend sensor is a sensor that measures the amount of deflection or bending. Usually, the sensor is stuck to the surface, and resistance of sensor element is varied by bending the surface. Since the resistance is directly proportional to the amount of bend it is used as goniometer, and often called flexible potentiometer.

Types of flex sensor

Applications

Flex sensors are used in wide areas of research from computer interfaces, rehabilitation, security systems and even music interfaces.[4] It is also famous among students and hobbyists.

Human Machine Interface devices

A dataglove is a human-computer interaction device that is made possible by flex sensors. Deflections of a dataglove are measured via its flex sensors embedded in the glove.

Rehabilitation Research

In rehabilitation research, wired gloves or datagloves are used to record joint movement.[5]

Security Systems

Movement of doors is monitored by placing the sensor at the hinge. Also, damage to metal structures can be identified using the sensor.[6][7]

References

  1. ^ Flexible potentiometer, 1995-06-06, retrieved 2018-04-17
  2. ^ Optical flex sensor, 1982-09-29, retrieved 2018-04-17
  3. ^ Capacitive bend sensor, 1995-06-28, retrieved 2018-04-17
  4. ^ Sreejan, Alapati; Yeole, Shivraj (2017-07-01). "A Review on Applications of Flex Sensors". International Journal of Emerging Technology and Advanced Engineering. 7: 97–100.
  5. ^ Saggio, Giovanni (2014-01-01). "A novel array of flex sensors for a goniometric glove". Sensors and Actuators A: Physical. 205: 119–125. doi:10.1016/j.sna.2013.10.030. ISSN 0924-4247.
  6. ^ Sreejan Alapati (2019-12-15), Flex sensor array, retrieved 2019-12-15
  7. ^ Sreejan Alapati (2018-04-01), This technology can detect damage on your car and locker!, retrieved 2018-04-17

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