Incubator Support Structure for Active Noise Control
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Solution Overview
Problem
Noise levels in neonatal intensive care units (NICUs) exceed recommended guidelines, posing health risks to infants and impacting their intellectual and emotional development, despite the essential nature of noise-producing devices for patient care.
Innovation Solution
An active noise control system with fixed support structures for transducers and sensors within an incubator, utilizing an adaptive algorithm to generate anti-noise waves that destructively interfere with noise sources, ensuring precise positioning and orientation of components for effective noise attenuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If active noise control components are added to the incubator, then noise levels are reduced, but device complexity increases
Solution Approach 1:
The support structure integrates multiple ANC components (transducers, sensors, electronics) into a single unified assembly that attaches to the incubator, combining noise control functionality with structural support elements
Solution Approach 2:
The support structure serves dual purposes: providing mechanical support for ANC components and acting as an integrated mounting system that simplifies installation and positioning of multiple noise control elements
2Object-affected harmful factors
If transducers and sensors are positioned for optimal noise attenuation, then noise control effectiveness is improved, but ease of operation decreases
Solution Approach 1:
The support structure is pre-configured with transducers and sensors positioned at optimal locations for noise attenuation, allowing the system to be installed as a complete unit without requiring complex positioning adjustments during setup
Solution Approach 2:
The system replaces complex mechanical positioning and adjustment mechanisms with a pre-positioned support structure that achieves optimal noise control through its fixed geometric configuration
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively reduces noise levels within the incubator, creating a quieter environment that supports healthy infant development by minimizing stress and enhancing sleep, while maintaining the functionality of critical care devices.
Implementation Method 1
The control signal, when broadcast by the control output transducer, generates a control sound wave that is configured to destructively interfere with noise sound waves from the noise source or sources when the noise sound waves enter the spatial zone
Implementation Method 2
Active noise control (ANC) may comprise sampling an original varying sound pressure waveform in real time, analyzing the characteristics of the sound pressure waveform, generating an anti-noise waveform that is essentially out of phase with the original sound pressure waveform, and projecting the anti-noise waveform such that interferes with the original sound pressure waveform. In this manner, the energy content of the original sound pressure waveform is attenuated.
Data Source
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AI summary
A support structure for active noise control systems is provided. The support structure may be used with active noise control systems in enclosed spaces such as a neonatal incubator.