HEURISTIC PROCESS MODEL SIMPLIFICATION IN FREQUENCY RESPONSE DOMAIN
Author(s):
Abstract:
Frequency response diagrams of a system include detailed and recognizable information about the structural and parameter effects of the transfer function model of the system. The information are qualitatively and quantitatively obtainable from simultaneous consideration of amplitude ratio and phase information. In this paper, some rules and relationships are presented for making use of frequency response information in order to identify the structure of rational and irrational models in a heuristic manner. Estimation of the values of the parameters are also accomplished in a graphical trial and error procedure. As an example, the heuristic method was applied for identifying the simplified model of a rotary cement kiln from the frequency response information of the analytically derived model of the system. The analytical model of the kiln, used in this paper, was obtained elsewere in a detailed procedure with some assumptions and by using initial and boundary conditions. Results obtained from identification of the simplified model for rotary cement kiln not only reveal the application of the heuristic method for model identification, but also demonstrate the appearance of unstable poles and zeros in the model of the system. Keywords Heuristic Identification, Model Structure, Irrational Transfer Function, Distributed Parameter, Rotary Cement Kiln, Limited-Delay-Resonance, Unlimited-Delay-Resonance
Language:
English
Published:
International Journal of Engineering, Volume:17 Issue: 1, Apr 2004
Pages:
19 to 39
magiran.com/p488494
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یکساله به مبلغ 1,390,000ريال میتوانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.
In order to view content subscription is required
Personal subscription
Subscribe magiran.com for 70 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!