Development and Characterization of a Diaphragm-Shaped Force Transducer for Static Force Measurement

MAPAN ◽  
2017 ◽  
Vol 32 (3) ◽  
pp. 167-174 ◽  
Author(s):  
Rajesh Kumar ◽  
B. D. Pant ◽  
S. Maji
Keyword(s):  
Force Measurement ◽  
Force Transducer ◽  
Static Force

Development and metrological characterization of a precision force transducer for static force measurement related applications

Measurement ◽  
2016 ◽  
Vol 88 ◽  
pp. 77-86 ◽  
Author(s):  
Harish Kumar ◽  
Chitra Sharma ◽  
P.K. Arora ◽  
Girija Moona ◽  
Anil Kumar
Keyword(s):  
Force Measurement ◽  
Force Transducer ◽  
Static Force

scholarly journals Static Force Measurement Using Piezoelectric Sensors

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Kyungrim Kim ◽  
Jinwook Kim ◽  
Xiaoning Jiang ◽  
Taeyang Kim
Keyword(s):  
Surface Charge ◽  
Piezoelectric Effect ◽  
Force Measurement ◽  
Piezoelectric Materials ◽  
Force Sensor ◽  
Piezoelectric Sensors ◽  
Force Sensing ◽  
Static Force ◽  
Sensing Applications ◽  
Direct Piezoelectric Effect

In force measurement applications, a piezoelectric force sensor is one of the most popular sensors due to its advantages of low cost, linear response, and high sensitivity. Piezoelectric sensors effectively convert dynamic forces to electrical signals by the direct piezoelectric effect, but their use has been limited in measuring static forces due to the easily neutralized surface charge. To overcome this shortcoming, several static (either pure static or quasistatic) force sensing techniques using piezoelectric materials have been developed utilizing several unique parameters rather than just the surface charge produced by an applied force. The parameters for static force measurement include the resonance frequency, electrical impedance, decay time constant, and capacitance. In this review, we discuss the detailed mechanism of these piezoelectric-type, static force sensing methods that use more than the direct piezoelectric effect. We also highlight the challenges and potentials of each method for static force sensing applications.

The development and characterization of a square ring shaped force transducer

2013 ◽  
Vol 24 (9) ◽  
pp. 095007 ◽  
Author(s):  
Harish Kumar ◽  
Chitra Sharma ◽  
Anil Kumar
Keyword(s):  
Force Transducer

scholarly journals Characterization of Simple and Double Yeast Cells Using Dielectrophoretic Force Measurement

Sensors ◽  
2019 ◽  
Vol 19 (17) ◽  
pp. 3813 ◽  
Author(s):  
Fernando-Juan García-Diego ◽  
Mario Rubio-Chavarría ◽  
Pedro Beltrán ◽  
Francisco J. Espinós
Keyword(s):  
Electric Fields ◽  
Force Measurement ◽  
Point Of View ◽  
Yeast Cells ◽  
Instrumental Method ◽  
Particle Characterization ◽  
Dielectrophoretic Force ◽  
Cell Velocity ◽  
First Time

Dielectrophoretic force is an electric force experienced by particles subjected to non-uniform electric fields. In recent years, plenty of dielectrophoretic force (DEP) applications have been developed. Most of these works have been centered on particle positioning and manipulation. DEP particle characterization has been left in the background. Likewise, these characterizations have studied the electric properties of particles from a qualitative point of view. This article focuses on the quantitative measurement of cells’ dielectric force, specifically yeast cells. The measures are obtained as the results of a theoretical model and an instrumental method, both of which are developed and described in the present article, based on a dielectrophoretic chamber made of two V-shaped placed electrodes. In this study, 845 cells were measured. For each one, six speeds were taken at different points in its trajectory. Furthermore, the chamber design is repeatable, and this was the first time that measurements of dielectrophoretic force and cell velocity for double yeast cells were accomplished. To validate the results obtained in the present research, the results have been compared with the dielectric properties of yeast cells collected in the pre-existing literature.

FORCE CALIBRATION OF NANO UNIVERSAL TESTING MACHINE USING MILLIGRAM WEIGHTS

2013 ◽  
Vol 24 ◽  
pp. 1360031
Author(s):  
CHUNG-LIN WU ◽  
CHING-FEN TUAN
Keyword(s):  
Force Measurement ◽  
Testing Machine ◽  
Calibration Method ◽  
Force Transducer ◽  
Force Measurements ◽  
Universal Testing Machine ◽  
Universal Testing ◽  
Small Force ◽  
Force Calibration ◽  
Force Range

This paper presents an approach for calibrating the force transducer on the nano universal testing machine using milligram weights. Previous research on force calibration of such a system focused on the range from 10 mN to 200 mN, ignoring forces below 10 mN. The main purpose of this study is to analyze and calculate the uncertainty of force measurements within the range from 0.2 mN to 10 mN. The ABA calibration method in accordance with OIML R111-1 is adopted to determine the uncertainty in force measurement. The results indicate that the maximum relative uncertainty of force measurement is 7.0 × 10−3 with a 95% confidence level. The investigation can be used as the basis for evaluating measurement uncertainty of the system in small force range.

Design, development and metrological characterization of a low capacity precision industrial force transducer

2015 ◽  
Vol 58 ◽  
pp. 659-666 ◽  
Author(s):  
Harish Kumar ◽  
Chitra Sharma ◽  
Anil Kumar ◽  
P.K. Arora ◽  
S. Kumar
Keyword(s):  
Force Transducer ◽  
Design Development

scholarly journals Mechanical influences in sinusoidal force measurement

ACTA IMEKO ◽  
2015 ◽  
Vol 4 (2) ◽  
pp. 57 ◽  
Author(s):  
Christian Schlegel ◽  
Gabriela Kiekenap ◽  
Holger Kahmann ◽  
Rolf Kumme
Keyword(s):  
Standard Deviation ◽  
Measurement Uncertainty ◽  
Force Measurement ◽  
Force Transducer ◽  
Triaxial Accelerometer ◽  
Fem Model ◽  
Model Calculations ◽  
Excitation Frequencies ◽  
Force Calibration ◽  
Top Mass

The paper describes mechanical influences which disturb a sinusoidal force calibration and hence have an influence on measurement uncertainty. The measurements are based on the application of a scanning vibrometer and the use of triaxial accelerometers. The measuring of many acceleration points on the top mass of the transducer makes it possible to obtain acceleration distributions from which a standard deviation can be derived; the triaxial accelerometer allows the observance of certain effects, like rocking modes, or other problems related to specific excitation frequencies of the force transducer. Both measurements can be related to each other. The rocking effects are discussed with FEM model calculations.

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