Distance Measurement Using IR Sensors for CMS Yokes - Analysis and Calibration
Using remote sensing with IR sensors and Arduino Uno, the study measures distances between CMS yokes. Initial results show accuracy between 30-150mm, but lower values need further calibration due to IR sensor response limitations. Future work includes developing code for multiple sensors and creating robust hardware for CMS caverns.
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Distance Measurement between CMS Yokes Ian Crotty 29 Nov 2016
Use remote sensing IR Measured distance IR Sensor Arduino Uno 10 bit ADC
Signal from IR sensor Ambiguous values @ small distances < 2cm
First results on the Bench (desk) Corrected Distance vs Bin No. 300 Inverse Bin Number vs Distance 250 300 250 200 Distance [mm] 200 Distance [mm] Bin No. Vs Distance [mm] 150 Uncorrected Data 150 Power (Bin No. Vs Distance [mm]) y = 14403x-1.032 R = 0.9893 Corrected data 100 100 Linear (Corrected data) y = 11501x + 4.5807 R = 0.9912 50 50 0 0 0.00000 0 100 200 300 400 500 600 0.00500 0.01000 0.01500 0.02000 0.02500 Bin Number Inverse Bin Number
Conclusion Seems to give good results in the 30-150mm as announced. Lower values will have to be sorted due to the response of the IR sensor. Calibration to be worked on. Code needs developing for multiple sensors. Hardware to be made CMS cavern robust.
