Uçak kumanda yüzeyi tahrik mekanizmaları için kavramsal bir dört-çubuk tabanlı düzlemsel mekanizmanın sentezi ve kinematik performans analizi

Öz

Uçak kumanda yüzeyi tahrik sistemlerinde, sınırlı montaj hacmi içinde istenen açısal hareketin güvenilir ve kinematik açıdan elverişli biçimde elde edilmesi, kavramsal tasarım aşamasında önemli bir mühendislik problemidir. Bu çalışmada, kavramsal bir uçak kumanda yüzeyi tahrik gereksinimi için düzlemsel dört-çubuk tabanlı bir mekanizmanın performans odaklı sentezi ve kinematik değerlendirilmesi sunulmuştur. Dört çubuk mekanizmasının tahrik uzvunda ve hedef hareketin elde edileceği çıkış uzvunda belirli bir dönüş aralığı tanımlanmıştır. Bu tanımlama bir uçak kontrol yüzeyinin basitleştirilmiş bir tahrik senaryosu çerçevesinde gerçekleştirilerek aday mekanizmaların boyutsal sentezi gerçekleştirilmiştir. Aday mekanizma havuzu montaj alanı ve çalışma aralığına uyum gibi kısıtlar çerçevesinde filtrelenmiştir. Elde edilen filtrelenmiş adaylar iletim açısı uyumu, tekillikten uzaklık, çıkış hareketinin tekdüze olması gibi ölçütlerle değerlendirilmiştir. Önerilen yaklaşım, yalnızca hedef hareketin elde edilmesine değil, gerçek görev aralığı içindeki hareket iletim kalitesine ve yerleşim uygunluğuna da odaklanmaktadır. Sonuçlar, aynı hareket gereksinimini sağlayan birden fazla geometrik çözümün kinematik performans bakımından belirgin farklılıklar gösterebildiğini ortaya koymaktadır. Bu yönüyle çalışma, havacılıkta erken tasarım aşamasında ayrıntılı CAD/CAE (bilgisayar desteklik tasarım/bilgisayar destekli mühendislik) süreçlerinden önce kullanılabilecek, analitik olarak şeffaf ve hesap yükü düşük bir mekanizma seçim çerçevesi önermektedir.

Anahtar Kelimeler

• Dört-çubuk mekanizma
• mekanizma sentezi
• kinematik performans analizi
• uçak kumanda yüzeyi
• kavramsal tasarım
• hareket üretimi

Etik Beyan

Bu makale araştırma ve yayın etiği standartlarını karşılamaktadır.

Synthesis and kinematic performance analysis of a conceptual four-bar based planar mechanism for aircraft control surface actuation mechanisms

Öz

In aircraft control surface actuation systems, achieving the required angular motion within limited installation volume in a reliable and kinematically favourable manner is a critical engineering problem during conceptual design. This study presents a performance-oriented synthesis and kinematic evaluation of a planar four-bar-based mechanism for a conceptual aircraft control surface actuation requirement. A specific rotation range has been defined in the drive link and the output link of the four-bar mechanism from which the target motion will be obtained. This definition was carried out within the framework of a simplified drive scenario of an aircraft control surface, and the dimensional synthesis of the candidate mechanisms was performed. The pool of candidate mechanisms was filtered based on constraints such as mounting area and compatibility with the operating range. The resulting filtered candidates were evaluated according to criteria such as transmission angle compatibility, distance from singularities, and uniformity of output motion. The proposed framework focuses not only on satisfying the target motion but also on motion transmission quality and packaging suitability within the actual task window. The results demonstrate that multiple geometrically feasible linkages can satisfy the same motion requirement while exhibiting significantly different kinematic performance characteristics. The study therefore proposes an analytically transparent and computationally efficient mechanism selection framework that can support early-stage aviation-related design decisions prior to detailed CAD/CAE-based development.

Anahtar Kelimeler

• Four-bar linkage
• mechanism synthesis
• kinematic performance analysis
• aircraft control surface
• conceptual design
• motion generation

Kaynakça

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