کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
560233 1451869 2015 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Identification of linear systems with binary output measurements using short independent experiments
ترجمه فارسی عنوان
شناسایی سیستم های خطی با اندازه گیری خروجی باینری با استفاده از آزمایش های کوتاه مستقل
کلمات کلیدی
شناسایی، اندازه گیری باینری، بهینه سازی کمترین مربعات، رگرسیون مولفه اصلی، کلاچ مرطوب
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر پردازش سیگنال
چکیده انگلیسی


• Identification techniques are derived for systems with binary sensors.
• Identification is performed using sequence of short independent measurements.
• Transfer function and finite impulse response models considered.
• Computationally light approximate solutions can be derived, possibly recursively.
• Simulation and experimental results included to analyse and validate techniques.

This paper presents a novel identification technique for linear systems based on binary measurements of an analog output signal of the device under test. This type of measurement arises when the output signal is not measured directly with a high resolution sensor but it is only known whether its value exceeds a given threshold or not. The presented technique performs the estimation using a combination of many short and independent low resolution measurement runs, each of which contains only a limited amount of information. This is a significant difference with respect to the existing techniques, whose practical usefulness can be limited due to the associated requirements for long and/or periodic excitation signals. The knowledge about the binary measurement׳s characteristics is exploited to adapt standard prediction error minimisation techniques. This is done for both Rational Transfer Function (RTF) and Finite Impulse Response (FIR) model representations of the linear system. Simulation results are included to illustrate the identification procedure, and an experimental validation is provided to demonstrate the practical usefulness of the proposed methods.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechanical Systems and Signal Processing - Volumes 50–51, January 2015, Pages 296–306
نویسندگان
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