System Identification: Impulse Response Functions

by Morteza A.M. Torkamani, (A.M.ASCE), Asst. Prof.; Civ. Engrg. Dept., Armour Coll. of Engrg., Illinois Inst. of Tech., Chicago, Ill.,
Gary C. Hart, (M.ASCE), Assoc. Prof.; Mechanics and Structures Dept., Univ. of California, Los Angeles, Calif.,

Serial Information: Journal of the Engineering Mechanics Division, 1978, Vol. 104, Issue 5, Pg. 1147-1158

Document Type: Journal Paper


An approach is presented for estimating the impulse response function of a multidegree-of-freedom structural system. The approach discretizes the time axis into contiguous time segments and estimates the structure's impulse response function for each time segment. The identification problem is formulated in the time domain and in matrix form which is solvable using math programming techniques. The solution is a global optimum because the problem is a convex programming problem.

Subject Headings: Structural systems | Computer programming | Degrees of freedom | Structural response | Matrix (mathematics)

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