期刊名称：TELKOMNIKA (Telecommunication Computing Electronics and Control)
印刷版ISSN：2302-9293
出版年度：2019
卷号：17
期号：2
页码：946-955
DOI：10.12928/telkomnika.v17i2.11761
出版社：Universitas Ahmad Dahlan
摘要：This paper presents the nonlinearity compensation of low-frequency loudspeaker response. The
loudspeaker is dedicated to measuring the response of Electret Condenser Microphone which operated in
the arterial pulse region. The nonlinearity of loudspeaker has several problems which cause the
nonlinearity behaviour consists of the back electromagnetic field, spring, mass of cone and inductance.
Nonlinearity compensation is done using the Internal Model Controller with voltage feedback linearization.
Several signal tests consist of step, impulse and sine wave signal are examined on different frequencies to
validate the effectiveness of the design. The result showed that the Internal Mode Controller can achieve
the high-speed response with a small error value.
其他摘要：This paper presents the nonlinearity compensation of low-frequency loudspeaker response. The loudspeaker is dedicated to measuring the response of Electret Condenser Microphone which operated in the arterial pulse region. The nonlinearity of loudspeaker has several problems which cause the nonlinearity behaviour consists of the back electromagnetic field, spring, mass of cone and inductance. Nonlinearity compensation is done using the Internal Model Controller with voltage feedback linearization. Several signal tests consist of step, impulse and sine wave signal are examined on different frequencies to validate the effectiveness of the design. The result showed that the Internal Mode Controller can achieve the high-speed response with a small error value.
关键词：electret condenser microphone;internal model controller;loudspeaker;nonlinearity
