Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm
Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Madani, Katayoun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Taiwanese Society of Biomedical Engineering 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of medical and biological engineering - Berlin : Springer, 2000, 36(2016), 6 vom: 11. Nov., Seite 776-787 |
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| Übergeordnetes Werk: |
volume:36 ; year:2016 ; number:6 ; day:11 ; month:11 ; pages:776-787 |
| Links: |
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| DOI / URN: |
10.1007/s40846-016-0180-6 |
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| Katalog-ID: |
SPR037922556 |
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| 100 | 1 | |a Madani, Katayoun |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
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| 520 | |a Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. | ||
| 650 | 4 | |a Capsule endoscopy |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Magnetic actuation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Rotating magnetic field |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Genetic algorithm |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Optimal actuation configuration |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Khanmohammadi, Sohrab |4 aut | |
| 700 | 1 | |a Azimirad, Vahid |4 aut | |
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10.1007/s40846-016-0180-6 doi (DE-627)SPR037922556 (SPR)s40846-016-0180-6-e DE-627 ger DE-627 rakwb eng Madani, Katayoun verfasserin aut Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taiwanese Society of Biomedical Engineering 2016 Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 Khanmohammadi, Sohrab aut Azimirad, Vahid aut Enthalten in Journal of medical and biological engineering Berlin : Springer, 2000 36(2016), 6 vom: 11. Nov., Seite 776-787 (DE-627)777784408 (DE-600)2755178-7 2199-4757 nnns volume:36 year:2016 number:6 day:11 month:11 pages:776-787 https://dx.doi.org/10.1007/s40846-016-0180-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2016 6 11 11 776-787 |
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10.1007/s40846-016-0180-6 doi (DE-627)SPR037922556 (SPR)s40846-016-0180-6-e DE-627 ger DE-627 rakwb eng Madani, Katayoun verfasserin aut Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taiwanese Society of Biomedical Engineering 2016 Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 Khanmohammadi, Sohrab aut Azimirad, Vahid aut Enthalten in Journal of medical and biological engineering Berlin : Springer, 2000 36(2016), 6 vom: 11. Nov., Seite 776-787 (DE-627)777784408 (DE-600)2755178-7 2199-4757 nnns volume:36 year:2016 number:6 day:11 month:11 pages:776-787 https://dx.doi.org/10.1007/s40846-016-0180-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2016 6 11 11 776-787 |
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10.1007/s40846-016-0180-6 doi (DE-627)SPR037922556 (SPR)s40846-016-0180-6-e DE-627 ger DE-627 rakwb eng Madani, Katayoun verfasserin aut Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taiwanese Society of Biomedical Engineering 2016 Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 Khanmohammadi, Sohrab aut Azimirad, Vahid aut Enthalten in Journal of medical and biological engineering Berlin : Springer, 2000 36(2016), 6 vom: 11. Nov., Seite 776-787 (DE-627)777784408 (DE-600)2755178-7 2199-4757 nnns volume:36 year:2016 number:6 day:11 month:11 pages:776-787 https://dx.doi.org/10.1007/s40846-016-0180-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2016 6 11 11 776-787 |
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10.1007/s40846-016-0180-6 doi (DE-627)SPR037922556 (SPR)s40846-016-0180-6-e DE-627 ger DE-627 rakwb eng Madani, Katayoun verfasserin aut Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taiwanese Society of Biomedical Engineering 2016 Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 Khanmohammadi, Sohrab aut Azimirad, Vahid aut Enthalten in Journal of medical and biological engineering Berlin : Springer, 2000 36(2016), 6 vom: 11. Nov., Seite 776-787 (DE-627)777784408 (DE-600)2755178-7 2199-4757 nnns volume:36 year:2016 number:6 day:11 month:11 pages:776-787 https://dx.doi.org/10.1007/s40846-016-0180-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2016 6 11 11 776-787 |
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10.1007/s40846-016-0180-6 doi (DE-627)SPR037922556 (SPR)s40846-016-0180-6-e DE-627 ger DE-627 rakwb eng Madani, Katayoun verfasserin aut Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taiwanese Society of Biomedical Engineering 2016 Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 Khanmohammadi, Sohrab aut Azimirad, Vahid aut Enthalten in Journal of medical and biological engineering Berlin : Springer, 2000 36(2016), 6 vom: 11. Nov., Seite 776-787 (DE-627)777784408 (DE-600)2755178-7 2199-4757 nnns volume:36 year:2016 number:6 day:11 month:11 pages:776-787 https://dx.doi.org/10.1007/s40846-016-0180-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 36 2016 6 11 11 776-787 |
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Enthalten in Journal of medical and biological engineering 36(2016), 6 vom: 11. Nov., Seite 776-787 volume:36 year:2016 number:6 day:11 month:11 pages:776-787 |
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Capsule endoscopy Magnetic actuation Rotating magnetic field Genetic algorithm Optimal actuation configuration |
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Madani, Katayoun @@aut@@ Khanmohammadi, Sohrab @@aut@@ Azimirad, Vahid @@aut@@ |
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2016-11-11T00:00:00Z |
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Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. 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| author |
Madani, Katayoun |
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Madani, Katayoun misc Capsule endoscopy misc Magnetic actuation misc Rotating magnetic field misc Genetic algorithm misc Optimal actuation configuration Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
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Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm Capsule endoscopy (dpeaa)DE-He213 Magnetic actuation (dpeaa)DE-He213 Rotating magnetic field (dpeaa)DE-He213 Genetic algorithm (dpeaa)DE-He213 Optimal actuation configuration (dpeaa)DE-He213 |
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misc Capsule endoscopy misc Magnetic actuation misc Rotating magnetic field misc Genetic algorithm misc Optimal actuation configuration |
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misc Capsule endoscopy misc Magnetic actuation misc Rotating magnetic field misc Genetic algorithm misc Optimal actuation configuration |
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Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
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Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
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Madani, Katayoun |
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Madani, Katayoun Khanmohammadi, Sohrab Azimirad, Vahid |
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finding optimal actuation configuration for magnetically driven capsule endoscopy based on genetic algorithm |
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Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
| abstract |
Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. © Taiwanese Society of Biomedical Engineering 2016 |
| abstractGer |
Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. © Taiwanese Society of Biomedical Engineering 2016 |
| abstract_unstemmed |
Abstract Wireless capsule endoscopes (WCEs) enable non-invasive and comfortable gastrointestinal (GI) explorations, thus preventing the danger of conventional endoscopy. Consequently, patients are encouraged to undergo GI tract examinations. However, passive locomotion of commercially available WCEs is a major technical problem which seriously limits their clinical efficiency. Magnetic actuation of the capsule, where an external magnetic field is usually used to interact with an internal magnetic component, is the most promising solution for active locomotion. Considering a rotating permanent magnet as a magnetic field generator, magnetic force and torque can be used for propulsion at the same time. The optimal actuator magnet placement is discussed in this paper to manage the attractive magnetic force contribution along the desired movement direction, which shortens the capsule’s travel time. The problem is formulated as an optimization problem and a fitness function based on magnetic force and torque is presented. A binary genetic algorithm is used to solve the optimization problem and the optimal relative position of the capsule with respect to the external permanent magnet is found. Then, the capsule is actuated in a PVC lumen experimentally. The results show that the capsule’s travel speed in the optimal configuration is approximately 50% higher than that obtained with the common radial configuration. The capsule is also actuated in four simulated scenarios that consider friction, a collapsed lumen, and gravity. The superiority of the optimal actuation configuration is demonstrated. © Taiwanese Society of Biomedical Engineering 2016 |
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| title_short |
Finding Optimal Actuation Configuration for Magnetically Driven Capsule Endoscopy Based on Genetic Algorithm |
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https://dx.doi.org/10.1007/s40846-016-0180-6 |
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Khanmohammadi, Sohrab Azimirad, Vahid |
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Khanmohammadi, Sohrab Azimirad, Vahid |
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| doi_str |
10.1007/s40846-016-0180-6 |
| up_date |
2024-07-03T15:10:30.825Z |
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| score |
7.4007883 |