Name
Abstract | ||
|---|---|---|
This article upgrades the RC linear model presented for piezoresistive force sensors. Amplitude nonlinearity is found in sensor conductance, and a characteristic equation is formulated for modeling its response under DC-driving voltages below 1 V. The feasibility of such equation is tested on four FlexiForce model A201-100 piezoresistive sensors by varying the sourcing voltage and the applied forces. Since the characteristic equation proves to be valid, a method is presented for obtaining a specific sensitivity in sensor response by calculating the appropriate sourcing voltage and feedback resistor in the driving circuit; this provides plug-and-play capabilities to the device and reduces the start-up time of new applications where piezoresistive devices are to be used. Finally, a method for bypassing the amplitude nonlinearity is presented with the aim of reading sensor capacitance. |
Year | DOI | Venue |
|---|---|---|
2011 | 10.3390/s110908836 | SENSORS |
Keywords | Field | DocType |
piezoresistive,force,sensor,nonlinear,model,tanh,piezocapacitive,FlexiForce | Nonlinear system,Capacitance,Characteristic equation,Voltage,Electronic engineering,Electronics,Resistor,Engineering,Amplitude,Piezoresistive effect | Journal |
Volume | Issue | ISSN |
11 | 9 | 1424-8220 |
Citations | PageRank | References |
4 | 0.59 | 8 |
Authors | ||
4 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Leonel Paredes-Madrid | 1 | 15 | 3.42 |
| Luis Emmi | 2 | 31 | 4.22 |
| E. Garcia | 3 | 252 | 23.55 |
| Pablo González De Santos | 4 | 79 | 10.65 |