Floor modal mass identification using human-induced dynamic excitation

Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Wang, Pengcheng [verfasserIn] Chen, Jun [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles

Übergeordnetes Werk:	Enthalten in: Measurement - Amsterdam [u.a.] : Elsevier Science, 1983, 217
Übergeordnetes Werk:	volume:217

DOI / URN:	10.1016/j.measurement.2023.113038

Katalog-ID:	ELV010417397

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520			\|a Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass.
650		4	\|a Floor vibration
650		4	\|a Human excitation
650		4	\|a Modal analysis
650		4	\|a Modal mass identification
650		4	\|a Pressure insoles
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author_variant	p w pw j c jc
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bklnumber	50.21
publishDate	2023
allfields	10.1016/j.measurement.2023.113038 doi (DE-627)ELV010417397 (ELSEVIER)S0263-2241(23)00602-4 DE-627 ger DE-627 rda eng 660 VZ 50.21 bkl Wang, Pengcheng verfasserin aut Floor modal mass identification using human-induced dynamic excitation 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass. Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles Chen, Jun verfasserin aut Enthalten in Measurement Amsterdam [u.a.] : Elsevier Science, 1983 217 Online-Ressource (DE-627)320404927 (DE-600)2000550-7 (DE-576)259484342 nnns volume:217 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4338 GBV_ILN_4393 GBV_ILN_4700 50.21 Messtechnik VZ AR 217
spelling	10.1016/j.measurement.2023.113038 doi (DE-627)ELV010417397 (ELSEVIER)S0263-2241(23)00602-4 DE-627 ger DE-627 rda eng 660 VZ 50.21 bkl Wang, Pengcheng verfasserin aut Floor modal mass identification using human-induced dynamic excitation 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass. Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles Chen, Jun verfasserin aut Enthalten in Measurement Amsterdam [u.a.] : Elsevier Science, 1983 217 Online-Ressource (DE-627)320404927 (DE-600)2000550-7 (DE-576)259484342 nnns volume:217 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4338 GBV_ILN_4393 GBV_ILN_4700 50.21 Messtechnik VZ AR 217
allfields_unstemmed	10.1016/j.measurement.2023.113038 doi (DE-627)ELV010417397 (ELSEVIER)S0263-2241(23)00602-4 DE-627 ger DE-627 rda eng 660 VZ 50.21 bkl Wang, Pengcheng verfasserin aut Floor modal mass identification using human-induced dynamic excitation 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass. Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles Chen, Jun verfasserin aut Enthalten in Measurement Amsterdam [u.a.] : Elsevier Science, 1983 217 Online-Ressource (DE-627)320404927 (DE-600)2000550-7 (DE-576)259484342 nnns volume:217 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4338 GBV_ILN_4393 GBV_ILN_4700 50.21 Messtechnik VZ AR 217
allfieldsGer	10.1016/j.measurement.2023.113038 doi (DE-627)ELV010417397 (ELSEVIER)S0263-2241(23)00602-4 DE-627 ger DE-627 rda eng 660 VZ 50.21 bkl Wang, Pengcheng verfasserin aut Floor modal mass identification using human-induced dynamic excitation 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass. Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles Chen, Jun verfasserin aut Enthalten in Measurement Amsterdam [u.a.] : Elsevier Science, 1983 217 Online-Ressource (DE-627)320404927 (DE-600)2000550-7 (DE-576)259484342 nnns volume:217 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4338 GBV_ILN_4393 GBV_ILN_4700 50.21 Messtechnik VZ AR 217
allfieldsSound	10.1016/j.measurement.2023.113038 doi (DE-627)ELV010417397 (ELSEVIER)S0263-2241(23)00602-4 DE-627 ger DE-627 rda eng 660 VZ 50.21 bkl Wang, Pengcheng verfasserin aut Floor modal mass identification using human-induced dynamic excitation 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass. Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles Chen, Jun verfasserin aut Enthalten in Measurement Amsterdam [u.a.] : Elsevier Science, 1983 217 Online-Ressource (DE-627)320404927 (DE-600)2000550-7 (DE-576)259484342 nnns volume:217 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 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_4338 GBV_ILN_4393 GBV_ILN_4700 50.21 Messtechnik VZ AR 217
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topic_facet	Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles
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container_title	Measurement
authorswithroles_txt_mv	Wang, Pengcheng @@aut@@ Chen, Jun @@aut@@
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author	Wang, Pengcheng
spellingShingle	Wang, Pengcheng ddc 660 bkl 50.21 misc Floor vibration misc Human excitation misc Modal analysis misc Modal mass identification misc Pressure insoles Floor modal mass identification using human-induced dynamic excitation
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topic_title	660 VZ 50.21 bkl Floor modal mass identification using human-induced dynamic excitation Floor vibration Human excitation Modal analysis Modal mass identification Pressure insoles
topic	ddc 660 bkl 50.21 misc Floor vibration misc Human excitation misc Modal analysis misc Modal mass identification misc Pressure insoles
topic_unstemmed	ddc 660 bkl 50.21 misc Floor vibration misc Human excitation misc Modal analysis misc Modal mass identification misc Pressure insoles
topic_browse	ddc 660 bkl 50.21 misc Floor vibration misc Human excitation misc Modal analysis misc Modal mass identification misc Pressure insoles
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title	Floor modal mass identification using human-induced dynamic excitation
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title_full	Floor modal mass identification using human-induced dynamic excitation
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title_sort	floor modal mass identification using human-induced dynamic excitation
title_auth	Floor modal mass identification using human-induced dynamic excitation
abstract	Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass.
abstractGer	Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass.
abstract_unstemmed	Modal mass is the mass that is activated in a certain vibration mode, which is an essential modal parameter. It is difficult to obtain precise modal mass from identification methods because accurate measurement of external excitation is not easy in structural modal testing. Hence, the study uses the pressure insoles to easily and precisely measure the human-induced loads, and proposes a corresponding iterative correction method to identify the floor 1st-order modal mass from its resonant responses caused by single person dynamic loads. The method identifies the modal mass by weighted nonlinear least-squares iterating the errors between the calculated and measured multi-point acceleration responses Fourier spectrum, and corrects the natural frequency and damping ratio to ensure the accuracy of the identified modal mass. Applying the method to two actual prestressed concrete floors with maximum identification error of 6%. It provides a convenient and accurate way to obtain the floor modal mass.
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title_short	Floor modal mass identification using human-induced dynamic excitation
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doi_str	10.1016/j.measurement.2023.113038
up_date	2024-07-06T17:55:08.014Z
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Floor modal mass identification using human-induced dynamic excitation

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