Problem 3: Proximity Sensor

A simple passive inductive sensor can detect ferromagnetic objects moving through its magnetic field. Construct such a passive sensor and investigate its characteristics such as sensing range.

I. Phenomenon Demonstration

II. Books, Encyclopedia, Discussion and Forum Posts

III. Research Paper

  • Passeraub, P. A., Besse, P.-A., & Popovic, R. S. (1996). Scaling down an inductive proximity sensor. Sensors and Actuators A: Physical, 52(1-3), 114–118. doi:10.1016/0924-4247(96)80135-x
  • Kejı́k, P., Kluser, C., Bischofberger, R., & Popovic, R. S. (2004). A low-cost inductive proximity sensor for industrial applications. Sensors and Actuators A: Physical, 110(1-3), 93–97. doi:10.1016/j.sna.2003.07.007
  • Passeraub, P. ., Rey-Mennet, G., Besse, P. ., Lorenz, H., & Popovic, R. . (1997). Inductive proximity sensor with a flat coil and a new differential relaxation oscillator. Sensors and Actuators A: Physical, 60(1-3), 122–126. doi:10.1016/s0924-4247(97)01385-x
  • Passeraub, P. A., Besse, P. A., Hediger, S., de Raad, C., & Popovic, R. S. (1998). High-resolution miniaturized inductive proximity sensor: characterization and application for step-motor control. Sensors and Actuators A: Physical, 68(1-3), 257–262. doi:10.1016/s0924-4247(98)00014-4
  • Passeraub, P. A., Besse, P.-A., de Raad, C., Dezuari, O., Quinet, F., & Popovic, R. S. (1998). Metallic profile and coin imaging using an inductive proximity sensor microsystem. Sensors and Actuators A: Physical, 66(1-3), 225–230. doi:10.1016/s0924-4247(98)00047-8
  • George, B., Zangl, H., Bretterklieber, T., & Brasseur, G. (2010). A Combined Inductive–Capacitive Proximity Sensor for Seat Occupancy Detection. IEEE Transactions on Instrumentation and Measurement, 59(5), 1463–1470. doi:10.1109/tim.2010.2040910
  • Mizuno, T., Mizuguchi, T., Isono, Y., Fujii, T., Kishi, Y., Nakaya, K., … Shimizu, A. (2009). Extending the Operating Distance of Inductive Proximity Sensor Using Magnetoplated Wire. IEEE Transactions on Magnetics, 45(10), 4463–4466. doi:10.1109/tmag.2009.2021855
  • Passeraub, P. A., Besse, P.-A., de Raad, C., Dezuari, O., Quinet, F., & Popovic, R. S. (n.d.). Coin recognition using an inductive proximity sensor microsystem. Proceedings of International Solid State Sensors and Actuators Conference (Transducers ’97). doi:10.1109/sensor.1997.613666
  • Bartoletti, C., Buonanni, R., Fantasia, L. G., Frulla, R., Gaggioli, W., & Sacerdoti, G. (1998). The design of a proximity inductive sensor. Measurement Science and Technology, 9(8), 1180–1190. doi:10.1088/0957-0233/9/8/007