MODELING OF MULTIPLE ELECTRODE SYSTEM FOR INHOMOGENEITY DETECTION

article in a collection out of WoS and Scopus

English

Capacitive sensing gained on popularity through the last decades. From proximity sensors through humidity measurement to touch screen matrices. Capacitive sensing offers reliability, simplicity, and low financial cost. One of the crucial parts of the capacity sensor is the setup of the electrodes. The behavior of such setup is often needed to be known before application. Due to the complex nature of electrostatic arrays, the precise analytic solution is often unavailable so the other means to gain solution is needed. This paper focuses on using the simulation for modeling of multiple electrode setup, which could be used for measuring inhomogeneity in an otherwise homogeneous dielectric. The paper describes the problem of sharp edges. The description of the sensing depth of a planar capacitor is also included. Three simulations were created to prove initial assumptions.

Ansys Electronics Desktop, capacitive sensing, Maxwell 2D and 3D, Model accuracy, planar capacitor, Simulation

MANCL, V.

13. 7. 2021

Vysoké učení technické v Brně

Brno

978-80-214-5942-7

Proceedings I of the 27th Conference STUDENT EEICT 2021

1

441

445

5

https://www.eeict.cz/eeict_download/archiv/sborniky/EEICT_2021_sbornik_1.pdf