COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH (20240229779). BIDIRECTIONAL, LINEAR AND BINARY, SEGMENTED ANTAGONISTIC SERVOMECHANISM-BASED SHAPE MEMORY ALLOY (SMA) ACTUATOR simplified abstract

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BIDIRECTIONAL, LINEAR AND BINARY, SEGMENTED ANTAGONISTIC SERVOMECHANISM-BASED SHAPE MEMORY ALLOY (SMA) ACTUATOR

Organization Name

COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

Inventor(s)

Bhargaw Hari Narayan of Madhya Pradesh (IN)

Joshi Tilak Chandra of Madhya Pradesh (IN)

Hashmi Syed Azhar Rasheed of Madhya Pradesh (IN)

Srivastava Avanish Kumar of Madhya Pradesh (IN)

John Pretesh of Madhya Pradesh (IN)

BIDIRECTIONAL, LINEAR AND BINARY, SEGMENTED ANTAGONISTIC SERVOMECHANISM-BASED SHAPE MEMORY ALLOY (SMA) ACTUATOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240229779 titled 'BIDIRECTIONAL, LINEAR AND BINARY, SEGMENTED ANTAGONISTIC SERVOMECHANISM-BASED SHAPE MEMORY ALLOY (SMA) ACTUATOR

The patent application describes a bidirectional, linear and binary, segmented antagonistic servomechanism-based shape memory alloy (SMA) actuator with a main stroke transmitting lever and multiple part-modules arranged closely together for reciprocal translation in a first direction.

  • The part-modules consist of segments containing SMA elements.
  • Two configurations, 'straight' and 'cross', of the SMA elements in the part-modules are provided, with the 'cross' configuration offering 40% more compactness.
  • The configurations include 'S-type long tail' or 'flipped F-type long tail' main stroke transmitting lever and 'straight' or 'cross' configurations of part modules.
  • This innovation can be used for micro-positioning of 3D printer filament extruder heads, linear and angular displacement applications in robotics, prosthetics, bi-stable position control, latching-unlatching systems, and various engineering applications.

Potential Applications: - Micro-positioning in 3D printing - Robotics for precise movements - Prosthetic devices for controlled motion - Bi-stable position control systems - Latching-unlatching mechanisms in various engineering fields

Problems Solved: - Precise control of linear and angular displacement - Compact design for space-constrained applications - Efficient actuation using shape memory alloy technology

Benefits: - Enhanced precision in positioning - Compact and efficient design - Versatile applications in various engineering fields

Commercial Applications: The technology can be utilized in industries such as 3D printing, robotics, prosthetics, automation, and other fields requiring precise and controlled motion systems.

Questions about the technology: 1. How does the 'cross' configuration of SMA elements provide 40% more compactness? 2. What are the specific advantages of using shape memory alloy technology in this actuator design?


Original Abstract Submitted

a bidirectional, linear and binary, segmented antagonistic servomechanism-based shape memory alloy (sma) actuator comprising a main stroke transmitting lever ( or ) and a plurality of part-modules (a or b) disposed in a closely spaced arrangement and adapted to undergo a reciprocal translation in a first direction. wherein, the part-modules comprising a plurality of segments having sma elements (). the invention provides two configurations arranged in ‘straight’ and ‘cross’ configurations of the sma elements in the part-modules. further above configuration are arranged in a tight close space however, the “cross” configuration provides additional 40% compactness. the configurations comprise a “s-type long tail” or “flipped f-type long tail” main stroke transmitting lever and plurality of “straight” or “cross” configurations part modules, respectively. the novel embodiment can be utilized for micro-positioning of 3d printer filament extruder head, linear and angular displacement applications such as robotic, prosthesis, bi-stable position control, latching-unlatching systems, and other wide engineering applications.

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