Abstract
Methods Three cases of study and application of biomedical signals are analyzed: a) Development of a multisensorial prosthesis of upper limb commanded by myoelectric signals (sEMG) b) Development of a robotic wheelchair commanded by eye blinks (myoelectric signals sEMG) and by brain signals (EEG) c) Use of myoelectric signals (sEMG) from disabled children to interact with mobile robots in order to carry out actions in the environment In the first one, students are motivated to understand how a myoelectric signal is produced and then this knowledge is applied in upper limb prosthesis. In the second case, brain signals are also explained. Then ERD/ERS (Event Related Desynchronization /Event Related Synchronization) in alpha rhythm and Steady State Visual Evoked Potential (SSVEP) are used to command a robotic wheelchair. Myoelectric signals are also used to command the wheelchair; in this case, these signals are captured from the user face due to eye blinks. Finally, for the third case, myoelectric signals are captured from disabled children to allow them to interact with a mobile robot, in order to the mobile robot carrying out movements of grasping objects using its tweezers, paint, etc.
Highlights
A good way to teach biotechnology is showing practical cases after explaining the theory
Three cases of study and application of biomedical signals are analyzed: a) Development of a multisensorial prosthesis of upper limb commanded by myoelectric signals
B) Development of a robotic wheelchair commanded by eye blinks and by brain signals (EEG)
Summary
A good way to teach biotechnology is showing practical cases after explaining the theory. From 5th Congress of the Brazilian Biotechnology Society (SBBIOTEC) Florianópolis, Brazil. Background A good way to teach biotechnology is showing practical cases after explaining the theory.
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