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Charla Mere García Ortiz
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Título: Design a soft biomimetic robot fish based on DEAs (Dielectric elastomer actuator) devices (Ciclo de charlas "I Love Fluid Mechanics")
Conferenciante: Mere García Ortíz, PAD de la Universidad de Cádiz
Lugar : Salón de grados B, EII
Fecha : miércoles día 31 de enero 2024
Hora :11:00
Abstract:
Research on how fish and other aquatic organisms propel themselves offers valuable natural references to improve the technology related to underwater devices such as vehicles, and biomimetic robotics.
The aim is to develop a biomimetic robot fish by means of commercial DEAs in order to complete the numerical work developed in this topic. The primary objective is to ascertain the fish’s forces during swimming, abstaining from the utilization of motors, actuators, or any
other mechanisms that might impede the conceptualization of the robot as well as the replication of its deformable structure. For this purpose, the behavior of this device (DEA) as well as its control must be studied. This type of device works by applying a potential difference between two plates in which the polymeric material (elastomer) is inserted. This potential difference (input) causes the material chains themselves to be ordered, producing the compression of the material (output).
This type of actuators have a low weight and operate silently, being this a predominant advantage for our purpose. Its efficiency is high, because although it needs about 1kV to generate an output, the intensity is very low, so it has low heat losses and also avoids electromagnetic effects (as a motor could have) with the environment.
Fecha publicación: 30/01/2024
Título: Design a soft biomimetic robot fish based on DEAs (Dielectric elastomer actuator) devices
Conferenciante: Mere García Ortíz, PAD de la Universidad de Cádiz
Lugar : Salón de grados B, EII
Fecha : miércoles día 31 de enero 2024
Hora :11:00
Abstract:
Research on how fish and other aquatic organisms propel themselves offers valuable natural references to improve the technology related to underwater devices such as vehicles, and biomimetic robotics.
The aim is to develop a biomimetic robot fish by means of commercial DEAs in order to complete the numerical work developed in this topic. The primary objective is to ascertain the fish’s forces during swimming, abstaining from the utilization of motors, actuators, or any
other mechanisms that might impede the conceptualization of the robot as well as the replication of its deformable structure. For this purpose, the behavior of this device (DEA) as well as its control must be studied. This type of device works by applying a potential difference between two plates in which the polymeric material (elastomer) is inserted. This potential difference (input) causes the material chains themselves to be ordered, producing the compression of the material (output).
This type of actuators have a low weight and operate silently, being this a predominant advantage for our purpose. Its efficiency is high, because although it needs about 1kV to generate an output, the intensity is very low, so it has low heat losses and also avoids electromagnetic effects (as a motor could have) with the environment.
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