Magnetic bearings for mechanical cardiac assist devices /:
Magnetic bearings are mechatronic devices that produce contact-free electromagnetic force to support a load, such as a moving train or a spinning rotor. Compared to traditional bearings, magnetic bearings offer several advantages: no friction, low heat generation, no required lubrication, quiet oper...
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| Hauptverfasser: | , , |
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
New York, NY :
ASME Press,
[2015]
|
| Schriftenreihe: | Biomedical & nanomedical technologies.
|
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Zusammenfassung: | Magnetic bearings are mechatronic devices that produce contact-free electromagnetic force to support a load, such as a moving train or a spinning rotor. Compared to traditional bearings, magnetic bearings offer several advantages: no friction, low heat generation, no required lubrication, quiet operation, and fast and stable rotation. Because of these reasons, magnetic bearings have been used in rotary ventricular assist devices (VADs) to increase design life, reduce or eliminate material wear and bearing maintenance, as well as to increase biocompatibility by eliminating high fluid stresses and heat generation, both of which are associated with hemolysis, platelet activation and aggregation, and thrombus growth. In this chapter, magnetic bearings and their application in VADs are introduced. First, the operating principles of magnetic bearings are introduced. Typical structures of passive bearings, which are comprised solely of permanent magnets, and active magnetic bearings (AMB), which make use of electromagnets and position sensors to control the position of the rotor, are described. We include some description of all the components of a typical AMB system, including actuator, position sensor, controller, and amplifier, as well as different structures of electromagnet actuators, coils design, and iron selection. A range of position sensors, including those typically used in blood pumps, as well as self-sensing bearings are discussed. The basics of the hardware and the software (control laws) that comprise a typical magnetic bearing system are described. A section describes the performance considerations of magnetic bearings and the effect on the overall performance of an assist device that uses magnetic bearings. Lastly, the magnetic suspension of existing VADs with magnetic bearings are described: Berlin Heart INCOR, Heartware HVAD, WorldHeart Levacor and MiFlow, Terumo Duraheart, PediaFlow, MiTiHeart, and LEV-VAD. |
| Beschreibung: | Co-published with American Society of Mechanical Engineers. |
| Beschreibung: | 1 online resource (viii, 57 pages) : illustrations |
| Bibliographie: | Includes bibliographical references. |
| ISBN: | 9781606509203 1606509209 |
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| 100 | 1 | |a Day, Steven |q (Steven W.), |e author. |1 https://id.oclc.org/worldcat/entity/E39PCjBq9wW9gYWMFhJPwmgX8d |0 http://id.loc.gov/authorities/names/n2015062748 | |
| 245 | 1 | 0 | |a Magnetic bearings for mechanical cardiac assist devices / |c Steven Day, Shanbao Cheng, Arnold David Gomez. |
| 246 | 3 | 0 | |a Magnetic bearings assist devices |
| 264 | 1 | |a New York, NY : |b ASME Press, |c [2015] | |
| 300 | |a 1 online resource (viii, 57 pages) : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 490 | 1 | |a Biomedical & nanomedical technologies - concise monograph series | |
| 500 | |a Co-published with American Society of Mechanical Engineers. | ||
| 504 | |a Includes bibliographical references. | ||
| 505 | 0 | |a 1. Magnetic bearings for assist devices -- 1.1 Fundamentals of magnetic bearings -- 1.1.1 Considerations of a full magnetic suspension -- 1.1.2 Active magnetic bearing (AMB). | |
| 505 | 8 | |a 2. Structure of magnetic actuator -- 2.1 Properties of magnetic materials -- 2.2 Passive actuators -- 2.2.1 Typical passive configuration (radial passive bearing) -- 2.3 Active actuators -- 2.3.1 Typical radial -- 2.3.2 Flux biased magnetic bearings -- 2.4 Typical configuration of hybrid actuators -- 2.5 Electromagnetic coils -- 2.6 System configurations -- 2.6.1 Centrifugal vs. axial-flow configurations -- 2.6.2 Hydrodynamically assisted suspension -- 2.6.3 Motor assisted suspension. | |
| 505 | 8 | |a 3. Position sensors -- 3.1 Eddy current sensors -- 3.2 Inductance based sensors -- 3.3 Hall effect sensors -- 3.4 Optical sensors -- 3.5 Capacitive sensors -- 3.6 Self-sensing magnetic bearings. | |
| 505 | 8 | |a 4. Controller and electronics design -- 4.1 Design principle of one-axis suspension -- 4.2 Control laws -- 4.2.1 Proportional, integral, and derivative (PID) -- 4.2.2 Advanced control laws -- 4.3 Hardware -- 4.3.1 Analog-to-digital conversion and data acquisition -- 4.3.2 Processor -- 4.3.3 Power amplifier. | |
| 505 | 8 | |a 5. Performance considerations of magnetic bearings in VADs -- 5.1 System complexity -- 5.2 Weight and size -- 5.3 Power consumption -- 5.4 Physical disturbance rejection -- 5.5 Reliability and durability -- 5.5.1 Sensor failure -- 5.5.2 Wire and coil failure -- 5.5.3 Controller durability -- 5.6 Failure remediating measures -- 5.6.1 Manufacturing -- 5.6.2 Physical redundancy of components sensors and wires -- 5.6.3 Fault tolerant control -- 5.6.4 Touch-down bearings. | |
| 505 | 8 | |a 6. Specific device examples -- 6.1 Berlin Heart InCOR -- 6.2 Terumo Duraheart -- 6.3 WorldHeart Levacor -- 6.4 PediaFlow -- 6.5 WorldHeart MiFlow VAD -- 6.6 Heartware HVAD and mVAD -- 6.7 LEV-VAD -- 6.8 MitiHeart. | |
| 505 | 8 | |a Conclusion. | |
| 520 | 3 | |a Magnetic bearings are mechatronic devices that produce contact-free electromagnetic force to support a load, such as a moving train or a spinning rotor. Compared to traditional bearings, magnetic bearings offer several advantages: no friction, low heat generation, no required lubrication, quiet operation, and fast and stable rotation. Because of these reasons, magnetic bearings have been used in rotary ventricular assist devices (VADs) to increase design life, reduce or eliminate material wear and bearing maintenance, as well as to increase biocompatibility by eliminating high fluid stresses and heat generation, both of which are associated with hemolysis, platelet activation and aggregation, and thrombus growth. In this chapter, magnetic bearings and their application in VADs are introduced. First, the operating principles of magnetic bearings are introduced. Typical structures of passive bearings, which are comprised solely of permanent magnets, and active magnetic bearings (AMB), which make use of electromagnets and position sensors to control the position of the rotor, are described. We include some description of all the components of a typical AMB system, including actuator, position sensor, controller, and amplifier, as well as different structures of electromagnet actuators, coils design, and iron selection. A range of position sensors, including those typically used in blood pumps, as well as self-sensing bearings are discussed. The basics of the hardware and the software (control laws) that comprise a typical magnetic bearing system are described. A section describes the performance considerations of magnetic bearings and the effect on the overall performance of an assist device that uses magnetic bearings. Lastly, the magnetic suspension of existing VADs with magnetic bearings are described: Berlin Heart INCOR, Heartware HVAD, WorldHeart Levacor and MiFlow, Terumo Duraheart, PediaFlow, MiTiHeart, and LEV-VAD. | |
| 588 | 0 | |a Print version record. | |
| 650 | 0 | |a Biomedical materials. |0 http://id.loc.gov/authorities/subjects/sh85014239 | |
| 650 | 0 | |a Magnetic bearings. |0 http://id.loc.gov/authorities/subjects/sh88006236 | |
| 650 | 0 | |a Cardiovascular instruments, Implanted. |0 http://id.loc.gov/authorities/subjects/sh85020225 | |
| 650 | 0 | |a Medical technology. |0 http://id.loc.gov/authorities/subjects/sh85083046 | |
| 650 | 0 | |a Biomedical engineering. |0 http://id.loc.gov/authorities/subjects/sh85014237 | |
| 650 | 2 | |a Biomedical and Dental Materials | |
| 650 | 2 | |a Prostheses and Implants | |
| 650 | 2 | |a Biomedical Technology | |
| 650 | 2 | |a Medical Laboratory Science |0 https://id.nlm.nih.gov/mesh/D013677 | |
| 650 | 6 | |a Biomatériaux. | |
| 650 | 6 | |a Paliers magnétiques. | |
| 650 | 6 | |a Appareils cardiovasculaires implantés. | |
| 650 | 6 | |a Technologie médicale. | |
| 650 | 6 | |a Génie biomédical. | |
| 650 | 7 | |a biomedical engineering. |2 aat | |
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| 650 | 7 | |a Magnetic bearings |2 fast | |
| 650 | 7 | |a Medical technology |2 fast | |
| 700 | 1 | |a Cheng, Shanbao, |e author. |0 http://id.loc.gov/authorities/names/n2015062750 | |
| 700 | 1 | |a Gomez, Arnold David, |e author. |0 http://id.loc.gov/authorities/names/n2015062751 | |
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| 776 | 0 | 8 | |i Print version: |a Day, Steven (Steven W.). |t Magnetic bearings for mechanical cardiac assist devices. |d New York, NY : ASME Press, [2015] |z 9780791860410 |w (DLC) 2015037208 |w (OCoLC)923793908 |
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Datensatz im Suchindex
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| author | Day, Steven (Steven W.) Cheng, Shanbao Gomez, Arnold David |
| author_GND | http://id.loc.gov/authorities/names/n2015062748 http://id.loc.gov/authorities/names/n2015062750 http://id.loc.gov/authorities/names/n2015062751 |
| author_facet | Day, Steven (Steven W.) Cheng, Shanbao Gomez, Arnold David |
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| contents | 1. Magnetic bearings for assist devices -- 1.1 Fundamentals of magnetic bearings -- 1.1.1 Considerations of a full magnetic suspension -- 1.1.2 Active magnetic bearing (AMB). 2. Structure of magnetic actuator -- 2.1 Properties of magnetic materials -- 2.2 Passive actuators -- 2.2.1 Typical passive configuration (radial passive bearing) -- 2.3 Active actuators -- 2.3.1 Typical radial -- 2.3.2 Flux biased magnetic bearings -- 2.4 Typical configuration of hybrid actuators -- 2.5 Electromagnetic coils -- 2.6 System configurations -- 2.6.1 Centrifugal vs. axial-flow configurations -- 2.6.2 Hydrodynamically assisted suspension -- 2.6.3 Motor assisted suspension. 3. Position sensors -- 3.1 Eddy current sensors -- 3.2 Inductance based sensors -- 3.3 Hall effect sensors -- 3.4 Optical sensors -- 3.5 Capacitive sensors -- 3.6 Self-sensing magnetic bearings. 4. Controller and electronics design -- 4.1 Design principle of one-axis suspension -- 4.2 Control laws -- 4.2.1 Proportional, integral, and derivative (PID) -- 4.2.2 Advanced control laws -- 4.3 Hardware -- 4.3.1 Analog-to-digital conversion and data acquisition -- 4.3.2 Processor -- 4.3.3 Power amplifier. 5. Performance considerations of magnetic bearings in VADs -- 5.1 System complexity -- 5.2 Weight and size -- 5.3 Power consumption -- 5.4 Physical disturbance rejection -- 5.5 Reliability and durability -- 5.5.1 Sensor failure -- 5.5.2 Wire and coil failure -- 5.5.3 Controller durability -- 5.6 Failure remediating measures -- 5.6.1 Manufacturing -- 5.6.2 Physical redundancy of components sensors and wires -- 5.6.3 Fault tolerant control -- 5.6.4 Touch-down bearings. 6. Specific device examples -- 6.1 Berlin Heart InCOR -- 6.2 Terumo Duraheart -- 6.3 WorldHeart Levacor -- 6.4 PediaFlow -- 6.5 WorldHeart MiFlow VAD -- 6.6 Heartware HVAD and mVAD -- 6.7 LEV-VAD -- 6.8 MitiHeart. Conclusion. |
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| discipline | Medizin |
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Magnetic bearings for assist devices -- 1.1 Fundamentals of magnetic bearings -- 1.1.1 Considerations of a full magnetic suspension -- 1.1.2 Active magnetic bearing (AMB).</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">2. Structure of magnetic actuator -- 2.1 Properties of magnetic materials -- 2.2 Passive actuators -- 2.2.1 Typical passive configuration (radial passive bearing) -- 2.3 Active actuators -- 2.3.1 Typical radial -- 2.3.2 Flux biased magnetic bearings -- 2.4 Typical configuration of hybrid actuators -- 2.5 Electromagnetic coils -- 2.6 System configurations -- 2.6.1 Centrifugal vs. axial-flow configurations -- 2.6.2 Hydrodynamically assisted suspension -- 2.6.3 Motor assisted suspension.</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">3. Position sensors -- 3.1 Eddy current sensors -- 3.2 Inductance based sensors -- 3.3 Hall effect sensors -- 3.4 Optical sensors -- 3.5 Capacitive sensors -- 3.6 Self-sensing magnetic bearings.</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">4. Controller and electronics design -- 4.1 Design principle of one-axis suspension -- 4.2 Control laws -- 4.2.1 Proportional, integral, and derivative (PID) -- 4.2.2 Advanced control laws -- 4.3 Hardware -- 4.3.1 Analog-to-digital conversion and data acquisition -- 4.3.2 Processor -- 4.3.3 Power amplifier.</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">5. Performance considerations of magnetic bearings in VADs -- 5.1 System complexity -- 5.2 Weight and size -- 5.3 Power consumption -- 5.4 Physical disturbance rejection -- 5.5 Reliability and durability -- 5.5.1 Sensor failure -- 5.5.2 Wire and coil failure -- 5.5.3 Controller durability -- 5.6 Failure remediating measures -- 5.6.1 Manufacturing -- 5.6.2 Physical redundancy of components sensors and wires -- 5.6.3 Fault tolerant control -- 5.6.4 Touch-down bearings.</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">6. Specific device examples -- 6.1 Berlin Heart InCOR -- 6.2 Terumo Duraheart -- 6.3 WorldHeart Levacor -- 6.4 PediaFlow -- 6.5 WorldHeart MiFlow VAD -- 6.6 Heartware HVAD and mVAD -- 6.7 LEV-VAD -- 6.8 MitiHeart.</subfield></datafield><datafield tag="505" ind1="8" ind2=" "><subfield code="a">Conclusion.</subfield></datafield><datafield tag="520" ind1="3" ind2=" "><subfield code="a">Magnetic bearings are mechatronic devices that produce contact-free electromagnetic force to support a load, such as a moving train or a spinning rotor. Compared to traditional bearings, magnetic bearings offer several advantages: no friction, low heat generation, no required lubrication, quiet operation, and fast and stable rotation. Because of these reasons, magnetic bearings have been used in rotary ventricular assist devices (VADs) to increase design life, reduce or eliminate material wear and bearing maintenance, as well as to increase biocompatibility by eliminating high fluid stresses and heat generation, both of which are associated with hemolysis, platelet activation and aggregation, and thrombus growth. In this chapter, magnetic bearings and their application in VADs are introduced. First, the operating principles of magnetic bearings are introduced. Typical structures of passive bearings, which are comprised solely of permanent magnets, and active magnetic bearings (AMB), which make use of electromagnets and position sensors to control the position of the rotor, are described. We include some description of all the components of a typical AMB system, including actuator, position sensor, controller, and amplifier, as well as different structures of electromagnet actuators, coils design, and iron selection. A range of position sensors, including those typically used in blood pumps, as well as self-sensing bearings are discussed. The basics of the hardware and the software (control laws) that comprise a typical magnetic bearing system are described. A section describes the performance considerations of magnetic bearings and the effect on the overall performance of an assist device that uses magnetic bearings. 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| id | ZDB-4-EBA-ocn936210036 |
| illustrated | Illustrated |
| indexdate | 2024-11-27T13:27:01Z |
| institution | BVB |
| isbn | 9781606509203 1606509209 |
| language | English |
| oclc_num | 936210036 |
| open_access_boolean | |
| owner | MAIN DE-863 DE-BY-FWS |
| owner_facet | MAIN DE-863 DE-BY-FWS |
| physical | 1 online resource (viii, 57 pages) : illustrations |
| psigel | ZDB-4-EBA |
| publishDate | 2015 |
| publishDateSearch | 2015 |
| publishDateSort | 2015 |
| publisher | ASME Press, |
| record_format | marc |
| series | Biomedical & nanomedical technologies. |
| series2 | Biomedical & nanomedical technologies - concise monograph series |
| spelling | Day, Steven (Steven W.), author. https://id.oclc.org/worldcat/entity/E39PCjBq9wW9gYWMFhJPwmgX8d http://id.loc.gov/authorities/names/n2015062748 Magnetic bearings for mechanical cardiac assist devices / Steven Day, Shanbao Cheng, Arnold David Gomez. Magnetic bearings assist devices New York, NY : ASME Press, [2015] 1 online resource (viii, 57 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Biomedical & nanomedical technologies - concise monograph series Co-published with American Society of Mechanical Engineers. Includes bibliographical references. 1. Magnetic bearings for assist devices -- 1.1 Fundamentals of magnetic bearings -- 1.1.1 Considerations of a full magnetic suspension -- 1.1.2 Active magnetic bearing (AMB). 2. Structure of magnetic actuator -- 2.1 Properties of magnetic materials -- 2.2 Passive actuators -- 2.2.1 Typical passive configuration (radial passive bearing) -- 2.3 Active actuators -- 2.3.1 Typical radial -- 2.3.2 Flux biased magnetic bearings -- 2.4 Typical configuration of hybrid actuators -- 2.5 Electromagnetic coils -- 2.6 System configurations -- 2.6.1 Centrifugal vs. axial-flow configurations -- 2.6.2 Hydrodynamically assisted suspension -- 2.6.3 Motor assisted suspension. 3. Position sensors -- 3.1 Eddy current sensors -- 3.2 Inductance based sensors -- 3.3 Hall effect sensors -- 3.4 Optical sensors -- 3.5 Capacitive sensors -- 3.6 Self-sensing magnetic bearings. 4. Controller and electronics design -- 4.1 Design principle of one-axis suspension -- 4.2 Control laws -- 4.2.1 Proportional, integral, and derivative (PID) -- 4.2.2 Advanced control laws -- 4.3 Hardware -- 4.3.1 Analog-to-digital conversion and data acquisition -- 4.3.2 Processor -- 4.3.3 Power amplifier. 5. Performance considerations of magnetic bearings in VADs -- 5.1 System complexity -- 5.2 Weight and size -- 5.3 Power consumption -- 5.4 Physical disturbance rejection -- 5.5 Reliability and durability -- 5.5.1 Sensor failure -- 5.5.2 Wire and coil failure -- 5.5.3 Controller durability -- 5.6 Failure remediating measures -- 5.6.1 Manufacturing -- 5.6.2 Physical redundancy of components sensors and wires -- 5.6.3 Fault tolerant control -- 5.6.4 Touch-down bearings. 6. Specific device examples -- 6.1 Berlin Heart InCOR -- 6.2 Terumo Duraheart -- 6.3 WorldHeart Levacor -- 6.4 PediaFlow -- 6.5 WorldHeart MiFlow VAD -- 6.6 Heartware HVAD and mVAD -- 6.7 LEV-VAD -- 6.8 MitiHeart. Conclusion. Magnetic bearings are mechatronic devices that produce contact-free electromagnetic force to support a load, such as a moving train or a spinning rotor. Compared to traditional bearings, magnetic bearings offer several advantages: no friction, low heat generation, no required lubrication, quiet operation, and fast and stable rotation. Because of these reasons, magnetic bearings have been used in rotary ventricular assist devices (VADs) to increase design life, reduce or eliminate material wear and bearing maintenance, as well as to increase biocompatibility by eliminating high fluid stresses and heat generation, both of which are associated with hemolysis, platelet activation and aggregation, and thrombus growth. In this chapter, magnetic bearings and their application in VADs are introduced. First, the operating principles of magnetic bearings are introduced. Typical structures of passive bearings, which are comprised solely of permanent magnets, and active magnetic bearings (AMB), which make use of electromagnets and position sensors to control the position of the rotor, are described. We include some description of all the components of a typical AMB system, including actuator, position sensor, controller, and amplifier, as well as different structures of electromagnet actuators, coils design, and iron selection. A range of position sensors, including those typically used in blood pumps, as well as self-sensing bearings are discussed. The basics of the hardware and the software (control laws) that comprise a typical magnetic bearing system are described. A section describes the performance considerations of magnetic bearings and the effect on the overall performance of an assist device that uses magnetic bearings. Lastly, the magnetic suspension of existing VADs with magnetic bearings are described: Berlin Heart INCOR, Heartware HVAD, WorldHeart Levacor and MiFlow, Terumo Duraheart, PediaFlow, MiTiHeart, and LEV-VAD. Print version record. Biomedical materials. http://id.loc.gov/authorities/subjects/sh85014239 Magnetic bearings. http://id.loc.gov/authorities/subjects/sh88006236 Cardiovascular instruments, Implanted. http://id.loc.gov/authorities/subjects/sh85020225 Medical technology. http://id.loc.gov/authorities/subjects/sh85083046 Biomedical engineering. http://id.loc.gov/authorities/subjects/sh85014237 Biomedical and Dental Materials Prostheses and Implants Biomedical Technology Medical Laboratory Science https://id.nlm.nih.gov/mesh/D013677 Biomatériaux. Paliers magnétiques. Appareils cardiovasculaires implantés. Technologie médicale. Génie biomédical. biomedical engineering. aat HEALTH & FITNESS Holism. bisacsh HEALTH & FITNESS Reference. bisacsh MEDICAL Alternative Medicine. bisacsh MEDICAL Atlases. bisacsh MEDICAL Essays. bisacsh MEDICAL Family & General Practice. bisacsh MEDICAL Holistic Medicine. bisacsh MEDICAL Osteopathy. bisacsh Biomedical engineering fast Biomedical materials fast Cardiovascular instruments, Implanted fast Magnetic bearings fast Medical technology fast Cheng, Shanbao, author. http://id.loc.gov/authorities/names/n2015062750 Gomez, Arnold David, author. http://id.loc.gov/authorities/names/n2015062751 has work: Magnetic bearings for mechanical cardiac assist devices (Text) https://id.oclc.org/worldcat/entity/E39PCGwh9GqQtH9Hdw4pVFJMT3 https://id.oclc.org/worldcat/ontology/hasWork Print version: Day, Steven (Steven W.). Magnetic bearings for mechanical cardiac assist devices. New York, NY : ASME Press, [2015] 9780791860410 (DLC) 2015037208 (OCoLC)923793908 Biomedical & nanomedical technologies. http://id.loc.gov/authorities/names/n2013180695 FWS01 ZDB-4-EBA FWS_PDA_EBA https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=1124573 Volltext |
| spellingShingle | Day, Steven (Steven W.) Cheng, Shanbao Gomez, Arnold David Magnetic bearings for mechanical cardiac assist devices / Biomedical & nanomedical technologies. 1. Magnetic bearings for assist devices -- 1.1 Fundamentals of magnetic bearings -- 1.1.1 Considerations of a full magnetic suspension -- 1.1.2 Active magnetic bearing (AMB). 2. Structure of magnetic actuator -- 2.1 Properties of magnetic materials -- 2.2 Passive actuators -- 2.2.1 Typical passive configuration (radial passive bearing) -- 2.3 Active actuators -- 2.3.1 Typical radial -- 2.3.2 Flux biased magnetic bearings -- 2.4 Typical configuration of hybrid actuators -- 2.5 Electromagnetic coils -- 2.6 System configurations -- 2.6.1 Centrifugal vs. axial-flow configurations -- 2.6.2 Hydrodynamically assisted suspension -- 2.6.3 Motor assisted suspension. 3. Position sensors -- 3.1 Eddy current sensors -- 3.2 Inductance based sensors -- 3.3 Hall effect sensors -- 3.4 Optical sensors -- 3.5 Capacitive sensors -- 3.6 Self-sensing magnetic bearings. 4. Controller and electronics design -- 4.1 Design principle of one-axis suspension -- 4.2 Control laws -- 4.2.1 Proportional, integral, and derivative (PID) -- 4.2.2 Advanced control laws -- 4.3 Hardware -- 4.3.1 Analog-to-digital conversion and data acquisition -- 4.3.2 Processor -- 4.3.3 Power amplifier. 5. Performance considerations of magnetic bearings in VADs -- 5.1 System complexity -- 5.2 Weight and size -- 5.3 Power consumption -- 5.4 Physical disturbance rejection -- 5.5 Reliability and durability -- 5.5.1 Sensor failure -- 5.5.2 Wire and coil failure -- 5.5.3 Controller durability -- 5.6 Failure remediating measures -- 5.6.1 Manufacturing -- 5.6.2 Physical redundancy of components sensors and wires -- 5.6.3 Fault tolerant control -- 5.6.4 Touch-down bearings. 6. Specific device examples -- 6.1 Berlin Heart InCOR -- 6.2 Terumo Duraheart -- 6.3 WorldHeart Levacor -- 6.4 PediaFlow -- 6.5 WorldHeart MiFlow VAD -- 6.6 Heartware HVAD and mVAD -- 6.7 LEV-VAD -- 6.8 MitiHeart. Conclusion. Biomedical materials. http://id.loc.gov/authorities/subjects/sh85014239 Magnetic bearings. http://id.loc.gov/authorities/subjects/sh88006236 Cardiovascular instruments, Implanted. http://id.loc.gov/authorities/subjects/sh85020225 Medical technology. http://id.loc.gov/authorities/subjects/sh85083046 Biomedical engineering. http://id.loc.gov/authorities/subjects/sh85014237 Biomedical and Dental Materials Prostheses and Implants Biomedical Technology Medical Laboratory Science https://id.nlm.nih.gov/mesh/D013677 Biomatériaux. Paliers magnétiques. Appareils cardiovasculaires implantés. Technologie médicale. Génie biomédical. biomedical engineering. aat HEALTH & FITNESS Holism. bisacsh HEALTH & FITNESS Reference. bisacsh MEDICAL Alternative Medicine. bisacsh MEDICAL Atlases. bisacsh MEDICAL Essays. bisacsh MEDICAL Family & General Practice. bisacsh MEDICAL Holistic Medicine. bisacsh MEDICAL Osteopathy. bisacsh Biomedical engineering fast Biomedical materials fast Cardiovascular instruments, Implanted fast Magnetic bearings fast Medical technology fast |
| subject_GND | http://id.loc.gov/authorities/subjects/sh85014239 http://id.loc.gov/authorities/subjects/sh88006236 http://id.loc.gov/authorities/subjects/sh85020225 http://id.loc.gov/authorities/subjects/sh85083046 http://id.loc.gov/authorities/subjects/sh85014237 https://id.nlm.nih.gov/mesh/D013677 |
| title | Magnetic bearings for mechanical cardiac assist devices / |
| title_alt | Magnetic bearings assist devices |
| title_auth | Magnetic bearings for mechanical cardiac assist devices / |
| title_exact_search | Magnetic bearings for mechanical cardiac assist devices / |
| title_full | Magnetic bearings for mechanical cardiac assist devices / Steven Day, Shanbao Cheng, Arnold David Gomez. |
| title_fullStr | Magnetic bearings for mechanical cardiac assist devices / Steven Day, Shanbao Cheng, Arnold David Gomez. |
| title_full_unstemmed | Magnetic bearings for mechanical cardiac assist devices / Steven Day, Shanbao Cheng, Arnold David Gomez. |
| title_short | Magnetic bearings for mechanical cardiac assist devices / |
| title_sort | magnetic bearings for mechanical cardiac assist devices |
| topic | Biomedical materials. http://id.loc.gov/authorities/subjects/sh85014239 Magnetic bearings. http://id.loc.gov/authorities/subjects/sh88006236 Cardiovascular instruments, Implanted. http://id.loc.gov/authorities/subjects/sh85020225 Medical technology. http://id.loc.gov/authorities/subjects/sh85083046 Biomedical engineering. http://id.loc.gov/authorities/subjects/sh85014237 Biomedical and Dental Materials Prostheses and Implants Biomedical Technology Medical Laboratory Science https://id.nlm.nih.gov/mesh/D013677 Biomatériaux. Paliers magnétiques. Appareils cardiovasculaires implantés. Technologie médicale. Génie biomédical. biomedical engineering. aat HEALTH & FITNESS Holism. bisacsh HEALTH & FITNESS Reference. bisacsh MEDICAL Alternative Medicine. bisacsh MEDICAL Atlases. bisacsh MEDICAL Essays. bisacsh MEDICAL Family & General Practice. bisacsh MEDICAL Holistic Medicine. bisacsh MEDICAL Osteopathy. bisacsh Biomedical engineering fast Biomedical materials fast Cardiovascular instruments, Implanted fast Magnetic bearings fast Medical technology fast |
| topic_facet | Biomedical materials. Magnetic bearings. Cardiovascular instruments, Implanted. Medical technology. Biomedical engineering. Biomedical and Dental Materials Prostheses and Implants Biomedical Technology Medical Laboratory Science Biomatériaux. Paliers magnétiques. Appareils cardiovasculaires implantés. Technologie médicale. Génie biomédical. biomedical engineering. HEALTH & FITNESS Holism. HEALTH & FITNESS Reference. MEDICAL Alternative Medicine. MEDICAL Atlases. MEDICAL Essays. MEDICAL Family & General Practice. MEDICAL Holistic Medicine. MEDICAL Osteopathy. Biomedical engineering Biomedical materials Cardiovascular instruments, Implanted Magnetic bearings Medical technology |
| url | https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=1124573 |
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