Thursday 4 September 2008

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 28-160
Full Name: Sonia Degeratu
Position: Professor
Age: ON
Sex: Female
Address: University of Craiova, Faculty of Electromechanical Engineering
Country: ROMANIA
Tel: 40251435255
Tel prefix:
Fax: 40251435255
E-mail address: sdegeratu@em.ucv.ro
Other E-mails: sdegeratu2004@yahoo.com
Title of the Paper: On the design of a shape memory alloy spring actuator using thermal analysis
Authors as they appear in the Paper: Sonia Degeratu, Nicu G. Bizdoaca, Gheorghe Manolea, Ilie Diaconu, Anca Petrisor, Vasile Degeratu
Email addresses of all the authors: sdegeratu@em.ucv.ro,nicu@robotics.ucv.ro,ghmanolea@gmail.com,diaconu@robotics.ucv.ro,apetrisor@em.ucv.ro,vasile.degeratu@yahoo.com
Number of paper pages: 10
Abstract: Due to their unique properties and behavior, the Shape Memory Alloys (SMAs) play an increasingly important role in the intelligent systems performance. Recent applications in structural actuation and sensing demand increased material capabilities. This paper reviews the main advantages and the properties of SMAs and presents the design strategy for a typical shape memory actuator configuration of intelligent systems, using as active element Ni-Ti SMA spring working against a conventional steel spring. It also includes the thermal analysis experiments, in order to determine the transformation temperatures for the studied SMA spring. For design optimization a comprehensive graphical interface (based on the thermal analysis results), which runs under Visual Basic, has been developed for this application. It provides a user friendly environment allowing intelligent system parameters configuration as well as choosing the most adapted analysis methods and data displayi!
ng.
Keywords: Sma, shape memory helical spring, biasing spring, austenite phase, martensite phase, transformation temperatures
EXTENSION of the file: .pdf
Special (Invited) Session: Practical aspects regarding the design of intelligent systems using the shape memory alloy spring
Organizer of the Session: 592-160
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