Table 3.
Comparison of different implementations of the M × N networked resistive sensor array.
| Literature | Complexity | Error Source | Scanning Times | Accuarcy | ||
|---|---|---|---|---|---|---|
|
| ||||||
| Nr. of Op-Amps | Nr. of Mux | Row or Column Adjacent Elements | Channel Resistor of Row or Column Mux | |||
| 1,7,9,11,12,17,18 | 1 | M + N | both | both | M × N | good |
| 5–7,19,20 | N or M | M + N | both | both |
M or N with N or M ADC |
good |
| 21 | 1 | M + N | row or column | row or column | M × N | better |
| proposed | 1 | M + N | none | none | 2(M × N) | Much better |
| 8,14 | M + N | M + N | none | none | M × N | best |
| 3,4 | M + N | M | none | none |
M with N ADC |
best |