The development of QEA(Quantum-inspired Evolution Algorithm) and their engineering-problem applications have emerged as one of the most interesting research topics. These algorithms find optimal values with the operators such as quantum-gate by using quantum-bit superposed basically by zero and one. In this process, the balance between the two features of exploration and exploitation can be kept easily. So, this paper is to propose an optimum design program for truss system based on QEA and 17 bar plane truss model is adopted as numerical example.

Large span roof structures require an analysis of their static and dynamic behavior depending on the physical parameters defining the structures. Therefore, it is highly desirable to estimate the parameters from observations of the system. However, the study of the behavior of such structures shows the existence of critical parameters. A small change in such parameters causes a significant change in the motion behavior. In this paper we study the parameter identification problem for shallow sinusoidal arches considering damping effect.