کنترل هوشمند تیرتیموشنکو با استفاده از الگوریتم بهینه‌سازی چندهدفه ازدحام ذرات و کنترلرPID مطابق با نگرش جایابی بهینه وصله‌های محرک پیزوالکتریک

نوع مقاله: مقاله علمی پژوهشی

نویسندگان

دانشگاه گیلان

چکیده

تیر با شرط مرزی یکسرگیردار به بررسی ارتعاشی عرضی تیر تحت اثر بارخارجی میگیرد. این بار خارجی بصورت پالس، ایمپالس، پله و متناوب سینوسی میباشد. برای کنترل سازه از کنترلر PID استفاده شده است. کنترلر 3 ضریب مجهول در ماتریسهای Kp، Kd، Ki قرار دارند که با استفاده از الگوریتم بهینه سازی ازدحام ذرات چندهدفه یا MOPSO، ضرایب مجهول در اثر جستجوی این الگوریتم در طول تیر محاسبه شده و به تعیین نقطه یا نقاطی بهینه از تیر جهت قرارگیری حسگر و عملگر پیزوالکتریک در بالا و پایین تیر برای میرا نمودن سازه در کمترین زمان ممکن منجر میشود.

کلیدواژه‌ها

موضوعات


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