Experimental measurements of shape memory alloys wires

• Autorzy: Kłapyta G. , Kciuk M.
• Języki publikacji: EN

Abstrakty

EN

Paper deals with examinations of properties of shape memory alloy actuators. Authors describe design of own laboratory stand for obtaining electro-thermo-mechanical characteristics of SMA wires (maximum length 900 mm). The stand allows for semi-automatic measurements of voltage and current (supplying the actuator), temperature of wire and its extension. Data acquisition and control signals are realized by PC computer. All elements of the measuring system are connected by GPIB network (IEEE 488.2 standard). Control program for static measurements was written in G language (LabVIEW environment). Temperature is measured using infrared camera Flir A325. Displacement measurement system contains optical sensor (converting piston movement into series of pulses), pulses counter, PWM signal generator (PWM signal fulfillment is proportional to number of pulses), lowpass filter and buffer conditioning external signal. For dynamic measurements data recording is performed using digital oscilloscope Tektronix MSO 2024 equipped with four separated channels and digital filter. Wide range of examinations of several SMA wires allowed for drawing its exploitative characteristic helpful for practical use. It shows length change of actuator as a function of mechanical load (Fig. 10). Finally some example static as well as dynamic characteristics are presented and short discussion is carried out.

Słowa kluczowe

EN

SMA; martenistic transformation; measuring stand; SMA characteristics

PL

SMA; transformacja martenzytyczna; stanowisko pomiarowe

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2012
• Tom: Vol. 61, nr 2
• Strony: 129--138
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Kłapyta G.

autor

Kciuk M.

• Department of Mechatronics, Electrical Faculty, Silesian University of Technology,

Bibliografia

• [1] Technical data for sensor H9720, http://www.avagotech.com/docs/AV02-0511EN.
• [2] Kciuk M., Badania pomiarowe i modele aktuatorów SMA, uwzględniające zjawiska elektro-termomechaniczne oraz ich wykorzystanie w układach sterowania. PhD Thesis, Faculty of Electrical Engineering, Silesian University of Gliwice (2010).
• [3] Kciuk M., Kłapyta G., Koncepcja stanowiska pomiarowego do wyznaczania charakterystyk elektrotermo-mechanicznych stopów z pamięcią kształtu (SMA). Idea of measuringt stand for obtaining electro-thermo-mechanical characteristics of shape memory alloys (SMA). Materiały XIII Sympozjum „Podstawowe Problemy Energoelektroniki, Elektromechaniki i Mechatroniki” PPEEm 2009 pod patronatem Komitetu Elektrotechniki PAN, Wisła 14-17.12.2009, pp. 242-247 (2009).
• [4] Selden B., Cho K.-J., Assada H., Segmented binary control of SMA actuator systems using the Peltier effect. IEEE Proceedings 2004, International Conference on Robotics & Automation, New Orleans, LA, (2004).
• [5] Cho K.-J., Assada H.H., Multi-axis SMA actuator array for driving anthropomorphic robot hand. International Conference on Robotics & Automation, Spain, April (2005).
• [6] Yam Y., Lei K.-F., Baranyi P., Control of a SMA actuated artificial face via Neuro-fuzzy techniques. IEEE International Fuzzy Systems Conference (2001).
• [7] Kciuk M., Stanowisko pomiarowe do wyznaczania charakterystyk elektro-termo-mechanicznych aktuatorów SMA. Measuring stand for obtaining electro-thermo-mechanical characteristics of SMA actuators. XI International PhD Workshop OWD 2009, Wisła 17-20 October 2009, pp. 251-254 (2009).
• [8] Krzystek P., Badania wytrzymałościowe cięgien z SMA. Fatigue examinations of SMA wires. MsC thesis realized in Department of Mechatronics at Silesian University of Technology, Gliwice (2009).
• [9] http://www.matint.pl/materialy-z-pamiecia-ksztaltu.php, accessed May (2010).