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Sensors 2014, 14(1), 659-671; doi:10.3390/s140100659
Article

Active Design Method for the Static Characteristics of a Piezoelectric Six-Axis Force/Torque Sensor

1,2,* , 1,2
, 1,2
 and 1,2
Received: 11 October 2013; in revised form: 15 December 2013 / Accepted: 23 December 2013 / Published: 2 January 2014
(This article belongs to the Special Issue Tactile Sensors and Sensing Systems)
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Abstract: To address the bottleneck issues of an elastic-style six-axis force/torque sensor (six-axis force sensor), this work proposes a no-elastic piezoelectric six-axis force sensor. The operating principle of the piezoelectric six-axis force sensor is analyzed, and a structural model is constructed. The static-active design theory of the piezoelectric six-axis force sensor is established, including a static analytical/mathematical model and numerical simulation model (finite element model). A piezoelectric six-axis force sensor experimental prototype is developed according to the analytical mathematical model and numerical simulation model, and selected static characteristic parameters (including sensitivity, isotropic degree and cross-coupling) are tested using this model with three approaches. The measured results are in agreement with the analytical results from the static-active design method. Therefore, this study has successfully established a foundation for further research into the piezoelectric multi-axis force sensor and an overall design approach based on static characteristics.
Keywords: finite element; static characteristic; six-axis force/torque; piezoelectric sensor; active design theory finite element; static characteristic; six-axis force/torque; piezoelectric sensor; active design theory
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Liu, J.; Li, M.; Qin, L.; Liu, J. Active Design Method for the Static Characteristics of a Piezoelectric Six-Axis Force/Torque Sensor. Sensors 2014, 14, 659-671.

AMA Style

Liu J, Li M, Qin L, Liu J. Active Design Method for the Static Characteristics of a Piezoelectric Six-Axis Force/Torque Sensor. Sensors. 2014; 14(1):659-671.

Chicago/Turabian Style

Liu, Jun; Li, Min; Qin, Lan; Liu, Jingcheng. 2014. "Active Design Method for the Static Characteristics of a Piezoelectric Six-Axis Force/Torque Sensor." Sensors 14, no. 1: 659-671.


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