با همکاری انجمن مهندسان مکانیک ایران

نوع مقاله : مقاله پژوهشی لاتین

نویسندگان

1 گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه کردستان، سنندج، ایران

2 گروه مهندسی بیوسیستم، دانشگاه شیراز، شیراز، ایران

چکیده

هدف از انجام این تحقیق بهینه‌سازی عوامل طراحی ماشین‌های برداشت میوه برای برداشت موثر زیتون رقم شنگی بود. مدل جرم-فنر با یک درجه آزادی برای تعیین بسامد طبیعی و ضریب میرایی شاخه زیتون استفاده شد. یک شاخه‌تکان سوار که در آن ارتعاش از راه بازوی میل‌لنگی به شاخه و میوه انتقال می‌یافت برای ارزیابی مدهای ارتعاشی ساخته شد. به‌منظور تعیین تاثیر دامنه و بسامد ارتعاش بر میزان جداسازی میوه از شاخه یک آزمایش فاکتوریل (3×4) در قالب یک طرح کاملاً تصادفی اجرا شد. مد ارتعاشی با بسامد 10 هرتز و دامنه 80 میلی‌متر توان متوسط 92 وات را برای برداشت 95 درصد از میوه‌ها انتقال داد. برای برداشت موثر و منطبق بر استانداردهای سلامتی می‌توان از این مد ارتعاشی برای بازطراحی درخت تکان‌ها استفاده کرد.

کلیدواژه‌ها

موضوعات

Open Access

©2022 The author(s). This article is licensed under Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source.

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