Active Control of Interior Noise in a Fork-Lift Truck

Document type: Conference Papers
Peer reviewed: Yes
Author(s): Sven Johansson, Mathias Winberg, Ingvar Claesson, Börje Svensson, Jan Lönn
Title: Active Control of Interior Noise in a Fork-Lift Truck
Conference name: IMAC XXI
Year: 2003
Publisher: Society for Experimental Mechanics (SEM)
City: Kissimmee, Florida, USA
Organization: Blekinge Institute of Technology
Department: Department of Telecommunications and Signal Processing (Institutionen för telekommunikation och signalbehandling)
Department of Telecommunications and Signal Processing S-372 25 Ronneby
+46 455 38 50 00
Authors e-mail:
Language: English
Abstract: Modern fork-lift trucks incorporate a wide range of sophisticated passive techniques to reduce the noise inside the cabin. By using a combination of passive and active noise control technologies it may be possible to further reduce the noise level, thereby improving the comfort for the truck driver. The purpose of the work presented in this paper is to examine whether it is possible to reduce the low-frequency cabin noise by using active noise control technology. The noise situation inside the truck cabin is discussed as well as the active noise control strategy for a practical fork-lift truck installation. The paper presents sound field plots of the cabin noise and preliminary active noise control results from computer experiments based on recorded cabin noise.
Subject: Signal Processing\Active Noise and Vibration Control
Keywords: active noise control, silent seat, feedforward, sound field, lms, fork-lift