Measuring Setup for Experimental Research of Two‐Coordinate Fiber‐Optic Acceleration Sensors with Cylindrical Lenses
Badeeva E. Murashkina T. Motin A. Uvaysov S. Kozbakova A. Sawicki D.
February-1 2022MDPI
Sensors
2022#22Issue 3
The article presents the possibilities of using fiber‐optic acceleration (FOC) sensors on products of rocket‐space and aviation technology as part of information‐measuring systems. A spe-cial measuring device has been developed for experimental confirmation of the main characteristics of the technical characteristics of the developed, two‐coordinate fiber‐optic acceleration sensors. The developed measuring setup for the experimental research of a two‐coordinate fiber‐optic acceleration sensor with two, cylindrical lenses fixed on two H‐shaped elastic elements deflected under the influence of acceleration in two mutually perpendicular directions X and Y, intended for operation in harsh conditions of rocket and space technology. The experimental equipment consists of the developed setup for setting micromovements and an information conversion unit, including mod-ules for signal conversion, transmission, power supply, signal amplification, and indication. Experimental dependences of the output voltage from the information conversion unit’s output on the micro‐displacement in the range corresponding to the micro‐displacements of the inertial mass with a cylindrical lens under acceleration in the range of ±100 m/s2 were obtained on the micro‐displace-ment setting unit. The maximum value of the linearity error of the prototype acceleration sensor together with the information conversion unit was 0.07%. The conversion sensitivity of a two‐coor-dinate fiber‐optic acceleration sensor per the experimental dependences obtained on the Data Physics LE‐612 MST/DSA 10–40 k vibration stand when exposed to sinusoidal vibration with an acceleration amplitude from 2 to 10 g in the frequency range from 5 to 2560 Hz was, on average, 3 mV/m/s2. The conducted experimental research confirms the performance of experimental samples of fiber-optic acceleration sensors together with an information conversion unit, as well as the achievement of high metrological characteristics.
Cylindrical lens , Experimental setup , H‐shaped elastic element , Information conversion unit , Two‐coordinate fiber‐optic acceleration sensor
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Department of Radio Engineering and Radio Electronic Systems, Penza State University, Penza, 440026, Russian Federation
Institute of Physical Measurements, JSC “Scientific Research Institute for Physical Measurements”, Penza, 440026, Russian Federation
Department of Design and Production of Radio‐Electronic Means, Russian Technological University, Moscow, 119454, Russian Federation
Laboratory of Artificial Intelligence and Robotics, Institute of Information and Computational Technologies CS MES RK, Almaty, 050010, Kazakhstan
Department of Information Technologies, Almaty Technological University, Almaty, 050013, Kazakhstan
Departament of Electronics and Informational Technology, Lublin University of Technology, Nadbystrzycka 38d, Lublin, 20‐618, Poland
Department of Radio Engineering and Radio Electronic Systems
Institute of Physical Measurements
Department of Design and Production of Radio‐Electronic Means
Laboratory of Artificial Intelligence and Robotics
Department of Information Technologies
Departament of Electronics and Informational Technology
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