Optimized hearing aid
System optimization – more than the sum of its parts
For the first time, a hearing aid that had already been optimized in its individual components was significantly reduced in size through holistic optimization – the basis for the new market success of the partner MED-EL.
The MED-EL BONEBRIDGE is a proven
bone conduction implant that helps patients with
defects in the outer or middle ear to regain
hearing. Only the outer part
with microphone, audio processor and button cell
is visible, the actual hearing aid is implanted completely
under the skin.
In the ongoing collaboration between LCM and MED-EL as part of the COMET K2 Center for Symbiotic Mechatronics, the individual optimization tasks were combined for the first time and the system model environment, the LCM SyMSpace, was expanded for this purpose: The calculation of the transducer, the demodulator, the transmission characteristic of the transmitter coil – skin – receiver coil and the motion model of the magnetic and mechanical systems were linked together in a workflow and can be executed automatically. This means that the optimization can also be applied to the overall system and the actual target value, the hearing quality in the frequency range of the human hearing spectrum, can be optimized.
drilling depth into the bone with old (left) and new (right) implant (photo credit: MED-EL)
SuccessStory “System optimization – more than the sum of its parts”
Dipl.-Ing., Dr. Hubert Mitterhofer
Business Area Manager Drives
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