@misc{indiciae182b2f9f066c,
  title = {Non-Contact Linear Actuator Position Sensor Having a PID-Compensating Controller},
  author = {Dean C Alhorn and David E Howard},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020005119},
  note = {Source identifier: 20020005119}
}