Northampton Electronic Collection of Theses and Research

Vibration control of a Stirling engine with an electromagnetic active tuned mass damper

Hassan, A., Torres-Perez, A., Kaczmarczyk, S. and Picton, P. (2016) Vibration control of a Stirling engine with an electromagnetic active tuned mass damper. Control Engineering Practice. 51, pp. 108-120. 0967-0661.

This is the latest version of this item.

Item Type: Article
Abstract: Active tuned mass damper (ATMD) systems have been used extensively to reduce vibrations in machines. The motivation of this study is attenuating the vibrations in a Free-Piston Stirling Engine/ Linear Alternator (FPSE/LA) for a frequency band of 47–53 Hz using an electromagnetic ATMD that employs a linear Voice CoilMotor (VCM) for periodic excitation rejection. To the authors’ knowledge, however several approaches to minimize vibrations in Stirling machines have been patented, the technique proposed in this research differs from other patented work by the simplicity of the proposed control law which aims to attenuate the engine vibrations at the fundamental operating frequency. The proposed control system features a zero-placement technique that utilizes both relative or absolute position and velocity feedback from the system response as well as a feedthrough measurement of the disturbance frequency that is used to determine the position gain online. The performance of the control system with the ATMD was evaluated both theoretically and experimentally. A test rig emulating the vibration behavior of the Stirling engine, featuring an electrodynamic shaker and an ATMD was developed and a model of the rig is presented and validated. A novel experimental procedure of identifying unknown stiffness and unknown dynamic mass of a spring–mass system is also presented. Similarly, another experimental procedure of determining the damping coefficient in the electromagnetic ATMD is shown. The implementation findings illustrate that the proposed active controller succeeds in broadening the attenuation band from 5070.5 Hz to between 45 Hz and 55 Hz.
Uncontrolled Keywords: ATMD, active control, system modeling, voice coil actuator, real time, FPGA implementation, relative and absolute feedback
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA349 Mechanics of engineering. Applied mechanics > TA355 Vibration
Creators: Hassan, Ali, Torres-Perez, Angel, Kaczmarczyk, Stefan and Picton, Philip
Publisher: Elsevier
Faculties, Divisions and Institutes: University Faculties, Divisions and Research Centres - OLD > Faculty of Arts, Science & Technology
Date: 6 April 2016
Date Type: Publication
Page Range: pp. 108-120
Journal or Publication Title: Control Engineering Practice
Volume: 51
Language: English
ISSN: 0967-0661
Status: Published / Disseminated
Refereed: Yes

Available Versions of this Item

  • Vibration control of a Stirling engine with an electromagnetic active tuned mass damper. (deposited 11 Jan 2017 14:11) [Currently Displayed]

Actions (login required)

Edit Item Edit Item