Design of a bidirectional rotational motion actuator by SMA with ...

Design of a Bidirectional Rotational Motion actuator by SMA with ...

Current applications demonstrate the capacity of millimeter-sized torsional SMAs (T-SMAs) for bi-directional rotational motion, but no comprehensive design ...

INTRODUCTION. SMAs made of nickel and titanium (Nitinol) have attracted wide interest in both research and industry thanks to their outstanding ...

(PDF) Design of a bidirectional rotational motion actuator by SMA ...

It consists of a driving rotor, a sub-rotor, and two sets of piezoelectoric vibrators, which is called the dual vibrator in this paper. That ...

Design of a bidirectional rotational motion actuator by ... - NASA ADS

Design of a bidirectional rotational motion actuator by SMA with geometrico-static requirements ... Abstract. Shape memory alloys (SMAs) are a group of metallic ...

A Review of SMA-Based Actuators for Bidirectional Rotational Motion

Afterward, the actuators' design methods, sensing, and controlling strategies are discussed. Finally, open challenges are discussed. Keywords: shape memory ...

A bidirectional rotating actuator by using a single shape memory ...

Toward this goal, we propose a new double bend-shaped SMA design for the bidirectional rotating motion, which is our main novelty. The ...

Design of a bidirectional rotational motion actuator by SMA ... - OUCI

Design of a bidirectional rotational motion actuator by SMA with geometrico-static requirements. https://doi.org/10.1117/12.2612910. Journal: Behavior and ...

A bidirectional rotating actuator by using a single shape memory ...

In order to achieve the wide range of motion in SMA wire-actuated joints, researchers have made some attempts. Baek et al. [27] employed a single two-way SMA ...

A review of rotary actuators based on shape memory alloys

The three identical crankshafts are designed to guide the wobbling motion. A Ni-Ti-Cu SMA wire of 0.1 mm in diameter heated by electric current is used to ...

A bidirectional rotating actuator by using a single shape memory ...

The SMA wire is symmetrically wounded around the axis of rotation in double bend shape. Supporting elements are used to support shape, motion, and force of the ...

The driving characteristics of bidirectional SMA wire actuators

designed and developed a testing apparatus for SMA actuators, and tested various performance aspects of the dead load SMA actuators [6].

A Review of SMA-Based Actuators for Bidirectional Rotational Motion

... bi-directional rotational motion (BRM), thus provides a survey and classification of current approaches and design tools that can be applied to origami ...

A Novel Design of a Torsional Shape Memory Alloy Actuator ... - MDPI

A Review of SMA-Based Actuators for Bidirectional Rotational Motion: Application to Origami Robots. ... Design and Performance of the SMA Torque Tube for ...

A Bidirectional Rotary Actuator Using Shape Memory Alloy Wires

contraction of the SMA wires to the bidirectional rotary motion, is proposed. A conceptually designed actuator is fabricated, and driving characterization ...

Scalable Bi-Directional SMA-Based Rotational Actuator

The scalability was based on a modular design, which allowed the actuator to ... On the mechanical side, each module enabled a small rotatory motion, which added ...

A bidirectional shape memory alloy folding actuator - Academia.edu

This work provides a review of different research efforts related to SMA-based actuators for bi-directional rotational motion (BRM), thus provides a survey and ...

Mechanism and Bias Considerations for Design of a Bi-Directional ...

Like natural muscles, PAMs are a purely contractile actuator, so that, in order to produce bidirectional or rotational motion, they must be ...

A Rotary Actuator Using Shape Memory Alloy (SMA) Wires

The external gear is rotated by wobbling motion of the annular gear. The bidirectional wobbling motion, which is generated by sequentially applied external ...

Scalable Bi-Directional SMA-Based Rotational Actuator - MDPI

Besides, the actuator must be compact and have a bidirectional motion of at least 90°. ... CAD design of the SMA rotation actuator with (a) opened housing and (b) ...

Modeling and Control of an Antagonistic Shape Memory Alloy Actuator

... design of a force-cooled antagonistic shape memory alloy (SMA) ... A Review of SMA-Based Actuators for Bidirectional Rotational Motion: Application to Origami ...