Capacitive sensor for three-axis force measurements and its readout electronics

IEEE Transactions on Instrumentation and Measurement

Volumn 58, Issue 8, 2009, Pages 2830-2836

  da Rocha, Jose Gerardo Veira ^a   da Rocha, Pedro Filipe Antunes ^a   Lanceros Mendez, Senentxu ^a  

^a UNIVERSITY OF MINHO   (Portugal)

Author keywords

Capacitive sensor; Capacitor readout; Force sensor; Tactile sensor; Three axes

Indexed keywords

CAPACITIVE FORCES; CAPACITIVE SENSOR; CONTACT FORCES; EXPERIMENTAL TEST; FLEXIBLE MATERIALS; FORCE SENSOR; INTERFACE ELECTRONICS; MECHANICAL FLEXIBILITY; PARASITIC CAPACITANCE EFFECTS; READ-OUT CIRCUIT; READOUT ELECTRONICS; SIMPLE STRUCTURES; TACTILE SENSOR; THREE AXES; THREE-AXIS; VARIABLE CAPACITOR;

CAPACITORS; CONDUCTIVE MATERIALS; FORCE MEASUREMENT; OPTICAL SENSORS; READOUT SYSTEMS; TOOLS;

CAPACITANCE;

EID: 67949121862     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2009.2016366     Document Type: Conference Paper

References (12)

1. R. Matsuzaki and A. Todoroki, "Wireless flexible capacitive sensor based on ultra-flexible epoxy resin for strain measurement of automobile tires," Sens. Actuators A, Phys., vol. 140, no. 1, pp. 32-42, Oct. 2007.
2. C. Metzgera, E. Fleisch, J. Meyer, M. Dansachmuller, I. Graz, M. Kaltenbrunner, C. Keplinger, R. Schwodiauer, and S. Bauerb, "Flexible-foam-based capacitive sensor arrays for object detection at low cost," Appl. Phys. Lett., vol. 92, no. 1, p. 013 506, Jan. 2008.
3. A. Nafari, F. A. Ghavanini, M. Bring, K. Svensson, and P. Enoksson, "Calibration methods of force sensors in the micro-Newton range," J. Micromech. Microeng., vol. 17, no. 10, pp. 2102-2107, Oct. 2007.
4. W. Bracke, P. Merken, R. Puers, and C. Van Hoof, "Design methods and algorithms for configurable capacitive sensor interfaces," Sens. Actuators A, Phys., vol. 125, no. 1, pp. 25-33, Oct. 2005.
5. P. Bruschi, D. Navarrini, G. Barillaro, and A. Gola, "A precise capacitance-to-pulse width converter for integrated sensors," Analog Integr. Circuits Signal Process., vol. 42, no. 2, pp. 185-189, Jan. 2005.
6. Z. Ignjatovic and M. F. Bocko, "An interface circuit for measuring capacitance changes based upon capacitance-to-duty cycle (CDC) converter," IEEE Sensors J., vol. 5, no. 3, pp. 403-410, Jun. 2005.
7. M. Gasulla, X. Li, and G. C. M. Meijer, "The noise performance of a highspeed capacitive-sensor interface based on a relaxation oscillator and a fast counter," IEEE Trans. Instrum. Meas., vol. 54, no. 5, pp. 1934-1940, Oct. 2005.
8. A. S. Hou and S. X. Su, "Design of a capacitive-sensor signal processing system with high accuracy and short conversion time," Sens. Actuators A, Phys., vol. 119, no. 1, pp. 113-119, Mar. 2005.
9. V. P. Arbuzov, "The use of time division of the channels in capacitive and inductive sensor measuring circuits," Meas. Tech., vol. 50, no. 7, pp. 752-757, Jul. 2007.
10. F. M. van der Goes and G. C. Meijer, "A novel low-cost capacitive-sensor interface," IEEE Trans. Instrum.Meas., vol. 45, no. 2, pp. 536-540, Apr. 1996.
11. A. Srivastava, "Digital CMOS interface circuit for current and capacitance sensing," Proc. SPIE, vol. 5389, pp. 1-12, 2004.
12. F. M. van der Goes and G. C. Meijer, "A universal transducer interface for capacitive and resistive sensor elements," Analog Integr. Circuits Signal Process., vol. 14, no. 3, pp. 249-260, Nov. 1997.