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Smart structures for vibration suppression

  • US 5,525,853 A
  • Filed: 06/02/1994
  • Issued: 06/11/1996
  • Est. Priority Date: 01/21/1993
  • Status: Expired due to Term
First Claim
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1. A device for controlling strain in a foundation member comprising an assembly being a piezoelectric sensor and a piezoelectric actuator located in operative relative relationship, means for placing the assembly in operative relationship with a foundation member whereby the sensor detects a strain in the foundation member and whereby the actuator imparts a selected force to the foundation member, means for connecting local control electronics in operative relationship with the assembly, a further control means located remotely from the assembly and connected with the local control electronics, wherein said further control means provides at least one of power for the local control electronics and a central command communication for the local control electronics, means for locating the local control electronics in physical abutment with the assembly, and means for connecting the local control electronics including an interface for location between the assembly and the control electronics.

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