Experimental Investigation of a Hydraulic Engine Mount by Taguchi Method

Yıl 2025, Cilt: 15 Sayı: 2, 718 - 729, 15.06.2025

Zeliha Kamış Kocabıçak

https://doi.org/10.31466/kfbd.1603760

Öz

In this study, four parameters affecting the hydraulic engine mount force and two levels for each were determined, and a design of experiment (DoE) was created according to the Taguchi L16 orthogonal array. Each mount assembled according to the DoE was tested at a vibration amplitude of 1.5 mm in the frequency range of 0-30 Hz, and the dynamic stiffness and phase angle values obtained from these tests were used to obtain frequency-dependent mount force curves for each mount. Since the vibrations occurring in the frequency range of 0-30 Hz are road and idle induced vibrations, it is desired that the force is as large as possible in this frequency range. Therefore, the maximum force value for each mount combination was determined from the obtained force curves and added to the DoE. S/N analysis was applied, and the most suitable parameter combination in the DoE for the maximum force was obtained. The effect percentages of the parameters were calculated using ANOVA analysis. Then, an analytical equation, depending on the parameters, was proposed by regression analysis. With the equation, the maximum force was calculated for a mount with a larger cross-sectional area that was not included in the DoE, and the calculated force was compared with the force obtained from the experimental data, and it was determined that the results were close to each other.

Anahtar Kelimeler

Hydraulic engine mount , Mount force , Taguchi , ANOVA

Bir Hidrolik Motor Takozunun Taguchi Yöntemi ile Deneysel Olarak İncelenmesi

Öz

Bu çalışmada hidrolik motor takoz kuvvetini etkileyen dört parametre ve bu parametrelerin her biri için iki seviye belirlenerek Taguchi L16 ortogonal dizisine göre deney tasarımı (DoE) oluşturulmuştur. Deney tasarımına göre montajı yapılan her bir takoz 0-30 Hz frekans aralığında 1.5 mm titreşim genliğinde test edilmiş ve bu testlerden elde edilen dinamik direngenlik ve faz açısı değerleri kullanılarak her bir takoz için frekansa bağlı takoz kuvvet eğrileri elde edilmiştir. 0-30 Hz frekans aralığında ortaya çıkan titreşimler yol ve rölanti kaynaklı titreşimler olduğu için bu frekans aralığında kuvvetin mümkün olduğu kadar büyük olması istenir. Bu nedenle elde edilen kuvvet eğrilerinden her bir takoz kombinasyonu için en büyük kuvvet değeri belirlenmiş ve deney tasarımına eklenmiştir. S/N analizi uygulanarak en büyük kuvvet için deney tasarımındaki en uygun parametre kombinasyonu ve ANOVA analizi ile de parametrelerin etki yüzdeleri hesaplanmıştır. Sonrasında regresyon analizi ile parametrelere bağlı bir analitik denklem önerilmiştir. Bu denklem yardımı ile deney tasarımında bulunmayan kesit alanı daha büyük olan bir takoz için maksimum kuvvet hesaplanmış, hesaplanan kuvvet deney verilerinden elde edilen kuvvet ile karşılaştırılarak sonucun birbirine yakın olduğu tespit edilmiştir.

Anahtar Kelimeler

Hidrolik motor takozu , Takoz kuvveti , Taguchi , ANOVA

Kaynakça

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