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Brushless electric motor controller

Grant number: 17/25056-0
Support Opportunities:Research Grants - Innovative Research in Small Business - PIPE
Duration: April 01, 2019 - December 31, 2019
Field of knowledge:Engineering - Biomedical Engineering - Bioengineering
Convênio/Acordo: Secretary of State Government, State of São Paulo
Principal Investigator:André César Martins Cavalheiro
Grantee:André César Martins Cavalheiro
Host Company:ACMC Tecnologia e Serviços Ltda
CNAE: Pesquisa e desenvolvimento experimental em ciências físicas e naturais
City: São Vicente
Associated researchers: Tarcísio Fernandes Leão

Abstract

The Ventricular Assist Devices (VADs) used for destination therapy must possess very high safety levels, as in case of fault, the consequences are severe and might result on the dead of the patient. On the other side, these systems must have high degree of autonomy, as the patient's physiology and behavior are constantly changing, and these changes impact directly the interactions between the VAD and the patient´s cardiovascular system. Thus, there is a pressing need to improve the design of safe and autonomous control systems for VADs. Therefore, the main objective of this work is the proposal of a Control System that is able to drive a brushless electric motor of a fully implantable DAV in an autonomous and safe way. Then the present work proposes applying mechatronic concepts to the development of control systems for VADs through the application of tools for risk analysis, and fault diagnostic and treatment techniques aiming the development of control models based on modular and distributed architectures. The analysis and validation of the control architecture will be made from in vitro tests using simulation analysis techniques and adequate computational tools, as well as tests on physical cardiovascular simulators that emulate interaction with the human circulatory system. Thereby, is possible to achieve an autonomous and safe control system that complies with the applicable technical standards, as well as the strict project requirements for this class of system. (AU)

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