NEHRP Clearinghouse

displaying 1 - 5 results in total 5

  • Yang, J. N.; Akbarpour, A.
    Practical Considerations for Structural Control: System Uncertainty, System Time Delay, and Truncation of Small Control Forces.
    National Science Foundation, Washington, DC., August 10, 1987, 159 p.
    Identifying Number(s): NCEER-87-0018
    Keywords: Sensitivity analysis; Riccati equation; Structural control; Algorithms; Graphs (Charts); Earthquake engineering; Time lag; Uncertainty; Optimal control; Control systems; Structural analysis

  • Wu, Z.; Soong, T. T.; Gattulli, V.; Lin, R. C.
    Nonlinear Control Algorithms for Peak Response Reduction.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., February 16, 1995, 91 p.
    Identifying Number(s): NCEER-95-0004
    Keywords: Algorithms; Mathematical models; Robustness (Mathematics); Earthquake engineering; Optimization; Peak responses; Control systems

  • Li, C.; Reinhorn, A. M.
    Experimental and Analytical Investigation of Seismic Retrofit of Structures with Supplemental Damping. Part 2. Friction Devices.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., July 6, 1995, 234 p.
    Identifying Number(s): NCEER-95-0009
    Keywords: Sliding friction; Reinforced concrete; Tables (Data); Shaking; Displacement; Loads (Forces); Control systems; Damping; Mathematical models; Soil mechanisms; Passive control; Retrofitting; Structural design; Graphs (Charts); Buildings; Analytical models; Vibration; Earthquake engineering; Energy dissipation; Passive systems; Dynamic structural analysis

  • Agrawal, A. K.; Yang, J. N.
    Optimal Polynomial Control of Linear and Nonlinear Structures.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., December 11, 1995, 106 p.
    Identifying Number(s): NCEER-95-0019
    Keywords: ; Seismic waves; Seismic isolation; Polynomials; Dynamic response; Buildings; Earthquake engineering; Active control; Structural dynamics; Hysteresis; Linear systems; Structural response; Nonlinear systems; Optimal control; Control systems; Vibration isolators

  • Schiff, A.
    Guide to Improved Earthquake Performance of Electric Power Systems.
    National Inst. of Standards and Technology (BFRL), Gaithersburg, MD.; National Science Foundation, Arlington, VA., September 1998, 328 p.
    Keywords: ; Vulnerability; Control systems; Seismic design; Communication sysltems; Electric utilities; Facilities management; Electric power plants; Earthquake engineering; Electric power distribution; Operation and maintenance; Design analysis; Electric power production; Electric power generation; Substations; Seismic effects; Electric power systems; Dynamic structural analysis