Appendix 3 Study of Vibration Interference - Report 100802TR1
A Study of the Susceptibility of Animal Tag Reading RFID Equipment to Interference from Mechanical Vibration and Shock Present in the Abattoir and Auction Market Environments for the Scottish Government
Contents
List of terms and abbreviations
Executive summary
1. Introduction
1.1 Background
1.2 Test samples
1.3 Test methodology
2. Preliminary investigations and site measurements
2.1 Test Equipment
2.2 Choice Of Test Locations
2.3 Locations and Measurement Dates
2.4 Location of Measurement Points
3. Analysis of site data
3.1 Typical Vibration Levels
3.2 Test Procedure
3.2.1 Random Vibration Test Procedure
3.2.2 Sine Vibration Test Procedure
3.2.3 Shock Test Procedure
3.3 Vibration Test Configuration
4. Vibration Test Results
4.1 Unit: Sample 1
4.2 Unit: Sample 2
4.3 Unit: Sample 3
4.4 Unit: Sample 4
5. Shock Test Results
6. Conclusions
Annex A Site Test Results
Annex B Test Equipment
List of Figures
Figure 1: Typical measurement of shock and vibration seen by RFID reader
Figure 2: Expansion of Data in Figure 1
Figure 3: Typical Acceleration Spectral Density Plot of Site Measurement
Figure 4: Shock Response Spectra of Measured data compared to test level
Figure 5: Measured response in X axis for Sample 1 during Sine Sweep test.
Figure 6: Measured response in Z axis for Sample 1 during Sine Sweep test.
Figure 7: Measured response in X axis for Sample 2 during Sine Sweep test.
Figure 8: Measured response in Z axis for Sample 2 during Sine Sweep test.
Figure A.1 : Typical data measured at Site 1 in vicinity of Sheep Line
Figure A.2 : ASD of data measured at Site 1 in vicinity of Sheep Line
Figure A.3 : Typical data measured at Site 1 in vicinity of Cattle Line
Figure A.4 : ASD of data measured at Site 1 in vicinity of Cattle Line
Figure A.5 : Typical data measured at Site 2 in vicinity of Sales Ring
Figure A.6 : ASD of data measured at Site 2 in vicinity of Sales Ring
Figure A.7 : Typical data at Site 3 in vicinity of Cattle Line Head Clamp
Figure A.8 : ASD of data measured at Site 3 in vicinity of Cattle Line
Figure A.9 : Typical data measured at Site 3 in vicinity of Cattle Line Head Clamp (Ratchet Mechanism Operational)
Figure A.10 : ASD of data measured at Site 3 in vicinity of Cattle Line
Figure A.11 : Typical data measured at Site 4 in vicinity of Sales Ring
Figure A.12 : ASD of data measured at Site 4 in vicinity of Sales Ring
List of Tables
Table 1: Summary of Measurements made at All Sites (Peak Hold Average)
Table 2: Shock Test Spectrum
Table 3: Test Results for Sample 1 - Low Frequency Random Test
Table 4: Test Results for Sample 1 - High Frequency Random Test
Table 5: Test Results for Sample 1 - Sine Sweep Test
Table 6: Test Results for Sample 2 - Low Frequency Random Test
Table 7: Test Results for Sample 2 - High Frequency Random Test
Table 8: Test Results for Sample 2 - Sine Sweep Test
Table 9: Test Results for Sample 3 - Low Frequency Random Test
Table 10: Test Results for Sample 3 - High Frequency Random Test
Table 11: Test Results for Sample 3 - Sine Sweep Test
Table 12: Test Results for Sample 4 - Low Frequency Random Test
Table 13: Test Results for Sample 4 - High Frequency Random Test
Table 14: Test Results for Sample 4 - Sine Sweep Test
Table 15: Test Results for All Samples - Shock Test