Multi-Channel Monitoring System with Nanosecond Resolution for Intermittent Faults in Electrical Connectors
Abstract
1. Introduction
2. Materials and Methods
2.1. System Architecture
2.2. DCR Measurement Principle
2.3. Intermittent Fault Measurement Principle
3. Results
3.1. DCR
3.2. Intermittent Fault Duration
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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| Range | Resistance Measurement Range | Total Gain | Theoretical Bandwidth fsys |
|---|---|---|---|
| 1 | 1000 mΩ–10,000 mΩ | 10 | 8.14 MHz |
| 2 | 100 mΩ–1000 mΩ | 100 | 1.39 MHz |
| 3 | 10 mΩ–100 mΩ | 1000 | 140 kHz |
| 4 | 1 mΩ–10 mΩ | 10,000 | 14 kHz |
| Rref/mΩ | /mΩ | εR/% | uA()/mΩ | U()/mΩ |
|---|---|---|---|---|
| 1 | 0.9959 | 0.41 | 0.000113 | 0.000226 |
| 10 | 9.9672 | 0.328 | 0.000273 | 0.000546 |
| 100 | 99.762 | 0.238 | 0.000666 | 0.001332 |
| 1000 | 999.16 | 0.084 | 0.001061 | 0.002122 |
| 10,000 | 10,002 | 0.02 | 0.013203 | 0.026406 |
| Rth/Ω | ref/ns | dev/ns | δT/% | uA(dev)/ns | U(dev)/ns |
|---|---|---|---|---|---|
| 2 | 20.11 | 21.9375 | 9.09 | 0.21 | 0.42 |
| 2 | 99.83 | 101.75 | 1.92 | 0.14 | 0.28 |
| 2 | 1000.36 | 1001.5625 | 0.120 | 0.24 | 0.48 |
| 2 | 10,000.54 | 10,001.8125 | 0.0127 | 0.23 | 0.46 |
| 2 | 100,009.31 | 100,004.625 | 0.00470 | 0.71 | 1.42 |
| 5 | 20.13 | 20.9375 | 4.01 | 0.20 | 0.40 |
| 5 | 100.20 | 101.3125 | 1.11 | 0.17 | 0.34 |
| 5 | 1000.30 | 1001 | 0.0700 | 0.21 | 0.42 |
| 5 | 10,001.98 | 10,001.375 | 0.00602 | 0.27 | 0.54 |
| 5 | 100,012.37 | 100,004.125 | 0.00823 | 0.95 | 1.90 |
| 7 | 19.95 | 20.4375 | 2.44 | 0.14 | 0.28 |
| 7 | 99.91 | 100.4375 | 0.528 | 0.23 | 0.46 |
| 7 | 1000.46 | 1000.3125 | 0.0147 | 0.18 | 0.36 |
| 7 | 10,001.13 | 10,001.25 | 0.00124 | 0.24 | 0.48 |
| 7 | 100,004.23 | 100,002.3125 | 0.00191 | 0.89 | 1.78 |
| Tref/ns | Tdev/ns | Absolute Error/ns | Relative Error/% |
|---|---|---|---|
| 94.37 | 93.75 | 0.62 | 0.66 |
| 400.58 | 402.5 | 1.92 | 0.48 |
| 9400 | 9403.75 | 3.75 | 0.04 |
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Ren, W.; Liao, Y.; Zhang, Y.; Meng, Y.; Zhang, C. Multi-Channel Monitoring System with Nanosecond Resolution for Intermittent Faults in Electrical Connectors. Inventions 2026, 11, 64. https://doi.org/10.3390/inventions11030064
Ren W, Liao Y, Zhang Y, Meng Y, Zhang C. Multi-Channel Monitoring System with Nanosecond Resolution for Intermittent Faults in Electrical Connectors. Inventions. 2026; 11(3):64. https://doi.org/10.3390/inventions11030064
Chicago/Turabian StyleRen, Wanbin, Yuchen Liao, Yinnan Zhang, Yuan Meng, and Chao Zhang. 2026. "Multi-Channel Monitoring System with Nanosecond Resolution for Intermittent Faults in Electrical Connectors" Inventions 11, no. 3: 64. https://doi.org/10.3390/inventions11030064
APA StyleRen, W., Liao, Y., Zhang, Y., Meng, Y., & Zhang, C. (2026). Multi-Channel Monitoring System with Nanosecond Resolution for Intermittent Faults in Electrical Connectors. Inventions, 11(3), 64. https://doi.org/10.3390/inventions11030064

