First experimental tests on the prototype of a capacitive oil level sensor for aeronautical applications

Abstract

In this paper, the design, the prototyping, and the first experimental tests of a Capacitive Oil Level Sensor (CLS) intended for aeronautical applications are described. Due to potentially high vibrational stresses and the presence of high electromagnetic interferences (EMI), the working conditions on aircraft can be considered quite harsh. Hence, both the sensing part and the conditioning circuit should meet strict constraints. For this reason, in the design phase, great attention has been paid also to the mechanical characteristics of the probes. All the design aspects are exposed and the main advantages concerning alternative level sensing techniques are discussed and the preliminary experimental results of sensitivity, linearity, hysteresis, and settling time tests are presented and commented.

Introductory notes for the Acta IMEKO first issue 2023 General Track

“…In [4], the design, the prototyping, and the first results of experimental tests of a Capacitive Oil Level Sensor (CLS) intended for aeronautical applications are described. Due to potentially high vibrational stresses and the presence of high electromagnetic interferences (EMI), the working conditions on aircraft can be considered quite harsh.…”

Comprehensive Visualization of Data Generated by Fiber Bragg Grating Sensors

“…However, a crucial aspect is the user's capability of decoupling thermal and mechanical effects acting on the sensors. If not, above all for what concerning aerospace applications, use of FBGs could be not possible [26] [27]. In the case of a sensor exposed both to temperature and strain (as in the general case of (2)), it is possible to filter the contribution of a specific parameter (i.e.…”