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Keywords: shape memory alloy
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Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A013, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111012
... be a strategy to overcome the limitations of existing soft actuator studies. shape memory alloy auxetics soft actuator Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-111012 SOFT...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A020, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111249
... Abstract This work deals with the development of a descriptive and interactive demonstrator platform with a total of four different shape memory alloy (SMA) actuator systems. The motivation for this demonstrator development is to illustrate this new special decoupled antagonist system...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T06A011, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111253
... material handling tasks. SMA shape memory alloy continuum robot endoscope Bowden cable actuator soft robotics Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-111253 Comparative...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A021, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111255
... applications. The electronics can use the electrical resistance of the SMA wire bundles to track actuator position and provides different communication standards like LIN Bus for automotive applications. SMA shape memory alloy antagonistic actuator bundles rotary motor Proceedings of the ASME...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A008, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110858
... Abstract Shape memory alloys (SMAs) are an attractive technology in actuators and sensors because of their versatile geometry, low weight, high energy density, and low cost. Recent scientific research found that a switchable stiffness of an implant for bone fracture treatment with individual...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A009, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110889
... Abstract Nickel-Titanium (NiTi)-based shape memory alloys (SMAs) enable new sustainable and environmentally friendly solid-state heating and cooling technologies. Elastocaloric (EC) heat pump systems exploit superelastic SMAs as a non-volatile, inflammable, and non-global-warming refrigerant...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A004, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110991
... memory alloy high load actuators cycle behavior machine tool application Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-110991 HIGH LOAD NITI SHAPE MEMORY ALLOY ACTUATORS: A STUDY...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A008, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111107
... Abstract Including characteristic alloy parameters in the design process of shape memory springs is crucial to enhance the performance of the resulting actuator. In contrast to conventional spring steel, shape memory alloys (SMA) show a non-linear stress-strain curve based on a thermal...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A023, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111395
... Abstract Nickel-Titanium (NiTi)-based shape memory alloys (SMAs) enable new sustainable and environmentally friendly solid-state heating and cooling technologies. Elastocaloric (EC) heat pump systems exploit superelastic SMAs as a non-volatile, inflammable, and non-global-warming refrigerant...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A005, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110681
...Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-110681 IN SITU ACTUATION OF SHAPE MEMORY ALLOY USING FOCUSED ULTRASOUND Aldo Chipana1, Dr. Jeffrey R Hill1, Dr. Christopher R Dillon1...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A018, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111572
...Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-111572 THERMOMECHANICAL PROCESSING OF NITICU SHAPE MEMORY ALLOY FROM BUTTON TO WIRE Faith Gantz1, Nehal Al Jabri1, Dominique Worrell1...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A003, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-109874
... shape memory alloy (Fe-SMA), which has outstanding superelasticity and consistent superplastic behavior across a wider temperature range, can provide a valuable counterpart for NiTi SMA. However, the viability and impact of manufacturing processing factors on Fe-SMA alloy are not well understood...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A011, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110997
... ZeMA Saarbruecken, Germany Stefan Seelecke Saarland University Saarbruecken, Germany Paul Motzki ZeMA, Saarland University Saarbruecken, Germany ABSTRACT Shape memory alloys (SMAs) are an attractive technology in actuators and sensors because of their versatile geometry, low weight, high energy density...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A004, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110774
... from experimental data in a soft arm powered by shape memory alloy (SMA) wires that contract via Joule heating. Then, we perform hardware tests to predict the robot s pose in open-loop, using only actuator temperature, and compare model performance under each simplifying assumption. Results show...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A009, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-90963
... Abstract Copper-based shape memory alloys (Cu-SMA) are known for their high transition temperatures and therefore their potential for actuation applications in environments with higher temperatures than tolerable for binary NiTi. Due to the higher transition temperatures of Cu-SMA cooling rates...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A001, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-88502
... Abstract Shape memory alloys (SMA) are often used to drive actuators, whereby SMA have a very specific fatigue behavior, which influences the lifetime of these actuators. The optimization of the actuator’s lifetime is an important topic to make these innovative actuators more interesting...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A011, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-91002
... needles. In this study, an innovative active steerable needle with a single shape memory alloy (SMA) wire actuator is designed, fabricated, and tested for maneuver. A closed-loop Proportional Integral Derivative (PID) controller with position feedback is developed to control needle tip deflection in air...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A003, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-88892
... Abstract Actuators are key elements in almost every production plant and machine. Thermal shape memory alloys (SMA) have an enormous energy density and can be used as a structural component of the machine. The technology therefore represents an interesting alternative to conventional actuator...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A010, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-90957
... units placed at the base of the robot. Although these solutions allow preserving the lightweight nature of the active part, they affect the weight, size, and mobility of the total system. This paper presents a novel concept of a fully integrated continuum robotic endoscope driven by shape memory alloy...