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Simultaneous measurement of two parameters by double current supplied bridge

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EN
Abstrakty
EN
A four-terminal (4T) bridge-circuit, with two voltage outputs is presented. This circuit, named as double current bridge is supplied by two equal current sources connected in parallel to opposite arms (2J) or by one such source switched between those arms (2x1J). Two output voltages from bridge diagonals as functions of arm resistance increments in absolute and in relative units are given. Also the example of this bridge application is proposed. Signal conditioning formulas of two-parameter measurement on the example of strain and temperature are discussed in detail. Some results obtained with the use of this bridge-circuit are briefly described.
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autor
autor
autor
  • Dep. of Electrical Eng., Białystok Technical University, ul. Wiejska 45D, 15-351 Białystok, Poland, adam_i@we.pb.edu.pl
Bibliografia
  • [1] MAX1450, low cost 1%-accurate signal conditioner for piezorezistive sensors, Maxim product data sheet.
  • [2] Sensor circuits and digitally controlled potentiometers, Intersil application note AN135, 2005.
  • [3] Sensor temperature compensation using the four DAC signal conditioning architecture, Maxim application note 1839, 2002.
  • [4] C. Swartz, C. Derrington, J. Gragg, Temperature Compensation Methods For The Motorola X-ducer PressureSensor Element, Motorola Semiconductor application notes.
  • [5] NPC-1210 series medium pressure sensor, Product data sheet of GE NovaSensor Inc.
  • [6] Warsza Z. L., “Bridges Supplied by Two Current Sources–New Tool for Impedance Measurements and Signal Conditioning”. In: Proc. of IMEKO-TC-7 Symposium, Cracow, Poland, 2002, pp. 231-236.
  • [7] Warsza Z. L., “Four-Terminal (4-T) Immitance Circuits (4T) in Multivariable Measurements”. In: Monography of Industrial Institute of Control and Measurement PIAP, Warsaw 2004. (in Polish).
  • [8] Warsza Z. L., “Two Parameter (2D) Measurements in Four Terminal (4T) Impedance Bridges as the New Tool for Signal Conditioning part 1 and 2”. In: Proc. of the 14th International Symposium on New Technologies in Measurement and Instrumentation and 10th Workshop of IMEKO TC-4, Gdynia/Jurata, Poland, 2005, pp. 31-42.
  • [9] Warsza Z. L. ., “Backgrounds of two variable (2D) measurements of resistance increments by bridge cascade circuit”. In: Proc. of SPIE, vol. 6347, part 2, 2006, 63472R.
  • [10] Warsza Z. L., “Two Parameter (2D) Measurements in Double – current Supply Four-terminal Resistance Circuits”, Metrology and Measurement Systems, vol. XIII, no. 1, 2006, pp. 49-65.
  • [11] A. Idźkowski, J. Makal, Z. L. Warsza, “Application of Double Current Bridge-Circuit for Simultaneous Measurements of Strain and Temperature”. In: IEEE Instrumentation, Measurement and Technology Conference (IMTC 2007), Warsaw, Poland, May 2007, pp. 1-4.
  • [12] Sifuentes E., Casas O., Pallas-Areny R.,”Direct Interface for Magnetoresistive Sensors”, IEEE Instrumentation, Measurement and Technology Conference, (IMTC 2007), Warsaw, Poland, May 2007, pp. 1-6.
  • [13] Bernieri A., Ferrigno L., Laracca M., Tamburrino A.,”Improving GMR Magnetometer Sensor Uncertainty by Implementing an Automatic Procedure for Measurement and Technology Conference IMTC 2007, Warsaw, Poland, May 2007, pp. 1-6.
  • [14] Jordana J., Pallas-Areny R., “A simple efficient interface circuit for piezoresistance pressure sensors”, Sensors and Actuators A-Physical, vol. 127, issue 1, 2006, pp. 69-73.
  • [15] Sydenham P.H., Thorn R. (eds.), Handbook of Measuring System Design, John Wiley & Sons, New York2005, Chapter 126: “Electrical Bridge Circuits – Basic Information” by Z. L. Warsza, pp. 867–877.
  • [16] Dyer S. A. (ed.), Survey of Instrumentation and Measurement, Wiley-Interscience, John Wiley & Sons, New York 2001,Section: “Bridge Instruments” by J. Nicolas, pp. 309-326.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ8-0016-0005
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