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Author:

Long, L. C. (Long, L. C..) (Scholars:龙连春) | Sui, Y. K. (Sui, Y. K..)

Indexed by:

CPCI-S

Abstract:

Finite element equations of electric-mechanical coupled piezoelectric truss structures are deduced using linear piezoelectricity and Hamilton's principle. An optimal control model of piezoelectric smart trusses is established. It makes the F maximum value of the controlled nodal displacements to be minimized and subjected to the strength requirements of the structure and the characteristic of the actuators. Control variables of the model are the voltages of actuators. The model is transformed to a sequential linear programming ultimately. For static indeterminate trusses in some case, the maximum stress in the structure can be decreased to allowable limit by adjusting the length of the member if it exceeds the allowable limit. When the number of actuators is limited, if they are distributed reasonable L and have sufficient active elongation, effective control can be realized also. The L efficiency of the control model is simulated by numerical method.

Keyword:

smart truss optimization displacement control electric-mechanical coupling

Author Community:

  • [ 1 ] [Long, L. C.]Beijing Univ Technol, Numer Simulat Ctr Engn, Beijing 100022, Peoples R China
  • [ 2 ] [Sui, Y. K.]Beijing Univ Technol, Numer Simulat Ctr Engn, Beijing 100022, Peoples R China

Reprint Author's Address:

  • 龙连春

    [Long, L. C.]Beijing Univ Technol, Numer Simulat Ctr Engn, Beijing 100022, Peoples R China

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Source :

COMPUTATIONAL METHODS, PTS 1 AND 2

Year: 2006

Page: 1023-,

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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