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An impact energy model (IEM) is proposed for the research of nonlinear rub-impact assessment in this paper. According to the characteristic of the model, IEM index is given to evaluate the severity or probability of rub-impact fault. We investigate the trend of variation of IEM index response to the rotation speed ratio under the condition of different values of damping ratio , and then acquire a joint distribution of IEM response with the parameters of and . Combining the IEM model, a concept of sensitive area is proposed. The sensitive area provides an excellent reference for operating rotor system and a guidance and assessment for designing rotor system.
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Keywords:
- impact energy model /
- rub-impact /
- rotor system /
- fault diagnosis
[1] Lei Y G, He Z J, Zi Y Y 2009 Mech. Syst. Sign. Proces. 23 1327
[2] Cong F Y, Chen J, Dong G M 2010 Proc. Inst. Mech. Eng. C 224 2289
[3] [4] Zhang W M, Meng G, Li H G 2005 Microelectron. Reliab. 45 1230
[5] [6] [7] Zhang W M, Meng G, Chen D, Zhou J B, Chen J Y 2008 J. Sound Vib. 309 756
[8] [9] Zhang W M, Meng G, Zhou J B, Chen J Y 2009 Microsyst. Technol. 15 953
[10] [11] Yang Y F, Wu Y F, Ren X M, Qiu Y 2010 Acta Phys. Sin. 59 3778 (in Chinese) [杨永锋、吴亚锋、任兴民、裘 焱 2010 物理学报 59 3778]
[12] Liu Y Z, Hu N Q 2001 J. Vib. Eng. 14 96 (in Chinese) [刘耀宗、胡茑庆 2001 振动工程学报 14 96]
[13] [14] [15] Cao J Y, Ma C B, Jiang Z D, Liu S G 2011 Commun. Nonlin. Sci. Numer. Simul. 16 1443
[16] [17] Chu F L, Lu W X 2005 J. Sound Vib. 283 621
[18] Ehrich F F 1988 J. Vib. Acoust. Stress Reliab. Des. 110 9
[19] [20] Zhang W M, Meng G 2005 Microsyst. Technol. 11 438
[21] [22] [23] Zhang W M, Meng G 2006 Sens. Actuators A 127 163
[24] [25] Jiang J, Ulbrich H 2001 Nonlin. Dyn. 24 269
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[1] Lei Y G, He Z J, Zi Y Y 2009 Mech. Syst. Sign. Proces. 23 1327
[2] Cong F Y, Chen J, Dong G M 2010 Proc. Inst. Mech. Eng. C 224 2289
[3] [4] Zhang W M, Meng G, Li H G 2005 Microelectron. Reliab. 45 1230
[5] [6] [7] Zhang W M, Meng G, Chen D, Zhou J B, Chen J Y 2008 J. Sound Vib. 309 756
[8] [9] Zhang W M, Meng G, Zhou J B, Chen J Y 2009 Microsyst. Technol. 15 953
[10] [11] Yang Y F, Wu Y F, Ren X M, Qiu Y 2010 Acta Phys. Sin. 59 3778 (in Chinese) [杨永锋、吴亚锋、任兴民、裘 焱 2010 物理学报 59 3778]
[12] Liu Y Z, Hu N Q 2001 J. Vib. Eng. 14 96 (in Chinese) [刘耀宗、胡茑庆 2001 振动工程学报 14 96]
[13] [14] [15] Cao J Y, Ma C B, Jiang Z D, Liu S G 2011 Commun. Nonlin. Sci. Numer. Simul. 16 1443
[16] [17] Chu F L, Lu W X 2005 J. Sound Vib. 283 621
[18] Ehrich F F 1988 J. Vib. Acoust. Stress Reliab. Des. 110 9
[19] [20] Zhang W M, Meng G 2005 Microsyst. Technol. 11 438
[21] [22] [23] Zhang W M, Meng G 2006 Sens. Actuators A 127 163
[24] [25] Jiang J, Ulbrich H 2001 Nonlin. Dyn. 24 269
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