نوع مقاله : مقاله پژوهشی
نویسندگان
گروه مهندسی بیوسیستم، دانشگاه تبریز، تبریز، ایران
چکیده
ارتعاش بوم‌های عریض سم‌پاشی هنگام عبور از ناهمواری‌های زمین و سرعت عمل در میرا کردن ارتعاشات، یکی از چالش‌های پژوهشگران است. عدم یکنواختی الگوی پاشش نازل و کاهش دقت و کیفیت کار، نتیجه ارتعاش کنترل نشده بوم سم‌پاش است. تاکنون تلاش‌های زیادی برای میراسازی ارتعاش بوم‌های عریض سم‌پاشی به‌عمل‌آمده است. پژوهشگران با استفاده از روش‌های فعال و غیرفعال موفقیت‌های زیادی در میراسازی ارتعاش بوم‌های سم‌پاشی به‌دست آورده‌اند. بسیاری از این روش‌ها مبتنی بر استفاده از نیروی خارجی به‌عنوان نیروی فعال کنترل‌کننده است. تجهیزات گران‌قیمت، استفاده از توان تراکتور و صرف انرژی زیاد، ایراد اساسی این روش‌ها است. در کار تحقیقی حاضر، سامانه جدیدی تحت عنوان تکیه‌گاه متغیر طراحی و نمونه‌سازی شد. آزمایش‌ها به‌صورت اثر عاملی چند متغیره روی بوم سم‌پاش انجام شد. نتایج نشان داد که سم‌پاش دارای تکیه‌گاه متغیر نسبت به سم‌پاش مرسوم ازنظر کنترل شتاب‌های بوم و تعادل زاویه‌ای بوم دارای تفاوت معنی‌دار و برتری نسبی است.
کلیدواژه‌ها
موضوعات
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