Abstract
A series of experiments were carried out in order to verify the feasibility of an active noise control (ANC) approach to improve the acoustic comfort at the operator's station of a compact loader. For this kind of application expensive noise control solutions would be too expensive for the market and therefore unsuitable. Hence, a very simple active noise control layout using a single channel feed-forward scheme was used. Its capability to reduce the dominant low frequency noise components and the overall level within the space where the operator's head is located during his/her work was experimentally verified. Then, the modifications caused by this ANC system were subjectively evaluated with regards to some important noise features (tiredness, concentration loss, loudness and booming sensation) in order to qualify comfort and working safety conditions for the operator.
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