Short-time wave force prediction and control strategy for a point-absorber WEC

There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are pr...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Li, Qiao [verfasserIn] Murai, Motohiko [verfasserIn] Kitazawa, Daisuke [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Wave energy converter Wave force prediction Control strategy of WEC

Übergeordnetes Werk:	Enthalten in: Ocean engineering - Amsterdam [u.a.] : Elsevier Science, 1970, 218
Übergeordnetes Werk:	volume:218

DOI / URN:	10.1016/j.oceaneng.2020.108000

Katalog-ID:	ELV052470881

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520			\|a There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions.
650		4	\|a Wave energy converter
650		4	\|a Wave force prediction
650		4	\|a Control strategy of WEC
700	1		\|a Murai, Motohiko \|e verfasserin \|4 aut
700	1		\|a Kitazawa, Daisuke \|e verfasserin \|4 aut
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allfields	10.1016/j.oceaneng.2020.108000 doi (DE-627)ELV052470881 (ELSEVIER)S0029-8018(20)30948-3 DE-627 ger DE-627 rda eng 690 VZ 50.92 bkl Li, Qiao verfasserin aut Short-time wave force prediction and control strategy for a point-absorber WEC 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions. Wave energy converter Wave force prediction Control strategy of WEC Murai, Motohiko verfasserin aut Kitazawa, Daisuke verfasserin aut Enthalten in Ocean engineering Amsterdam [u.a.] : Elsevier Science, 1970 218 Online-Ressource (DE-627)30658977X (DE-600)1498543-3 (DE-576)259484164 0029-8018 nnns volume:218 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 50.92 Meerestechnik VZ AR 218
spelling	10.1016/j.oceaneng.2020.108000 doi (DE-627)ELV052470881 (ELSEVIER)S0029-8018(20)30948-3 DE-627 ger DE-627 rda eng 690 VZ 50.92 bkl Li, Qiao verfasserin aut Short-time wave force prediction and control strategy for a point-absorber WEC 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions. Wave energy converter Wave force prediction Control strategy of WEC Murai, Motohiko verfasserin aut Kitazawa, Daisuke verfasserin aut Enthalten in Ocean engineering Amsterdam [u.a.] : Elsevier Science, 1970 218 Online-Ressource (DE-627)30658977X (DE-600)1498543-3 (DE-576)259484164 0029-8018 nnns volume:218 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 50.92 Meerestechnik VZ AR 218
allfields_unstemmed	10.1016/j.oceaneng.2020.108000 doi (DE-627)ELV052470881 (ELSEVIER)S0029-8018(20)30948-3 DE-627 ger DE-627 rda eng 690 VZ 50.92 bkl Li, Qiao verfasserin aut Short-time wave force prediction and control strategy for a point-absorber WEC 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions. Wave energy converter Wave force prediction Control strategy of WEC Murai, Motohiko verfasserin aut Kitazawa, Daisuke verfasserin aut Enthalten in Ocean engineering Amsterdam [u.a.] : Elsevier Science, 1970 218 Online-Ressource (DE-627)30658977X (DE-600)1498543-3 (DE-576)259484164 0029-8018 nnns volume:218 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 50.92 Meerestechnik VZ AR 218
allfieldsGer	10.1016/j.oceaneng.2020.108000 doi (DE-627)ELV052470881 (ELSEVIER)S0029-8018(20)30948-3 DE-627 ger DE-627 rda eng 690 VZ 50.92 bkl Li, Qiao verfasserin aut Short-time wave force prediction and control strategy for a point-absorber WEC 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions. Wave energy converter Wave force prediction Control strategy of WEC Murai, Motohiko verfasserin aut Kitazawa, Daisuke verfasserin aut Enthalten in Ocean engineering Amsterdam [u.a.] : Elsevier Science, 1970 218 Online-Ressource (DE-627)30658977X (DE-600)1498543-3 (DE-576)259484164 0029-8018 nnns volume:218 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 50.92 Meerestechnik VZ AR 218
allfieldsSound	10.1016/j.oceaneng.2020.108000 doi (DE-627)ELV052470881 (ELSEVIER)S0029-8018(20)30948-3 DE-627 ger DE-627 rda eng 690 VZ 50.92 bkl Li, Qiao verfasserin aut Short-time wave force prediction and control strategy for a point-absorber WEC 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions. Wave energy converter Wave force prediction Control strategy of WEC Murai, Motohiko verfasserin aut Kitazawa, Daisuke verfasserin aut Enthalten in Ocean engineering Amsterdam [u.a.] : Elsevier Science, 1970 218 Online-Ressource (DE-627)30658977X (DE-600)1498543-3 (DE-576)259484164 0029-8018 nnns volume:218 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 50.92 Meerestechnik VZ AR 218
language	English
source	Enthalten in Ocean engineering 218 volume:218
sourceStr	Enthalten in Ocean engineering 218 volume:218
format_phy_str_mv	Article
bklname	Meerestechnik
institution	findex.gbv.de
topic_facet	Wave energy converter Wave force prediction Control strategy of WEC
dewey-raw	690
isfreeaccess_bool	false
container_title	Ocean engineering
authorswithroles_txt_mv	Li, Qiao @@aut@@ Murai, Motohiko @@aut@@ Kitazawa, Daisuke @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
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author	Li, Qiao
spellingShingle	Li, Qiao ddc 690 bkl 50.92 misc Wave energy converter misc Wave force prediction misc Control strategy of WEC Short-time wave force prediction and control strategy for a point-absorber WEC
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topic_title	690 VZ 50.92 bkl Short-time wave force prediction and control strategy for a point-absorber WEC Wave energy converter Wave force prediction Control strategy of WEC
topic	ddc 690 bkl 50.92 misc Wave energy converter misc Wave force prediction misc Control strategy of WEC
topic_unstemmed	ddc 690 bkl 50.92 misc Wave energy converter misc Wave force prediction misc Control strategy of WEC
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title	Short-time wave force prediction and control strategy for a point-absorber WEC
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title_full	Short-time wave force prediction and control strategy for a point-absorber WEC
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title_sort	short-time wave force prediction and control strategy for a point-absorber wec
title_auth	Short-time wave force prediction and control strategy for a point-absorber WEC
abstract	There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions.
abstractGer	There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions.
abstract_unstemmed	There are several numerical analyses for solving the hydrodynamic responses of a floating body in the time domain. Most of these provide a theoretical solution in the given irregular waves. However, the solution can be obtained only if accurate irregular waves represented by the wave spectrum are provided. Because we consider actual operation, we know that it is difficult to detect accurate irregular waves instantaneously as accuracy is required in most time-domain analyses for the control force feedback to the system. John V. Ringwood proposed a simple control method (SCM) for real-time control of wave energy converter. This paper improves the SCM to predict the practical wave force from the displacement of waves on a floating body in the time domain analysis almost instantaneously. The improved method, that can be applied to predict forces in the wave energy converter with a linear electric generator, helps us to select the control force for the higher conversion of electric power. We examined the control algorithm and confirmed its effectiveness for extensive wave conditions.
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title_short	Short-time wave force prediction and control strategy for a point-absorber WEC
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author2	Murai, Motohiko Kitazawa, Daisuke
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doi_str	10.1016/j.oceaneng.2020.108000
up_date	2024-07-06T23:07:10.921Z
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Short-time wave force prediction and control strategy for a point-absorber WEC

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