Integrated optimization of control systems for smart cylindrical shells using a modified GA

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@Article{YaowenYang:2006:JAE,

• author = "Yaowen Yang and Zhanli Jin and Chee Kiong Soh",
• title = "Integrated optimization of control systems for smart cylindrical shells using a modified GA",
• journal = "Journal of Aerospace Engineering",
• year = "2006",
• volume = "19",
• number = "2",
• pages = "68--79",
• month = apr,
• keywords = "genetic algorithms, genetic programming",
• URL = "http://ascelibrary.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JAEEEZ000019000002000068000001&idtype=cvips&gifs=Yes",
• URL = "http://ascelibrary.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAEEEZ000019000002000068000001&idtype=cvips",
• DOI = "doi:10.1061/(ASCE)0893-1321(2006)19:2(68)",
• abstract = "In this paper, modelling of the vibration of cylindrical shell components of space structures incorporating piezoelectric sensor/actuators (S/As) for optimal vibration control is proposed and formulated. The parameters of the control system, which include the placement and sizing of the piezoelectric S/As and the feedback control gains, were considered as design variables and optimised simultaneously. The effect of the amount of piezoelectric patches was investigated as well. The criterion based on the maximisation of energy dissipation was employed for the optimization of the control system. A modified real-encoded genetic algorithm (GA) dealing with various constraints has been developed and applied to search for the optimal placement and size of the piezoelectric patches as well as the optimal feedback control gains. The results of three numerical examples, which include a simply supported plate, a simply supported cylindrical shell, and a clamped-simply supported plate, demonstrated significant vibration suppression based on the optimal design of the control system. It was also found that for specific controlled vibration modes, the optimal distribution of the piezoelectric S/As should be located at the areas separated by the nodal lines to achieve the optimal control effect. This finding would be useful for the practical design of smart structures.",

}

Genetic Programming entries for Yaowen Yang Zhanli Jin Chee Kiong Soh

Citations