Analysing Solids Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases
- Evaporator Fin Vibration Sensor for Heat Pump Ice Detection
See how vibration sensors on evaporator fins detect ice formation by measuring natural frequenc
- Surface type detection
See how a robotic cleaner isolates ringdown signals from returned sonic echoes to accurately de
- ROV Inspection and Cleaning Module for Submerged Tank Corners
See how an ROV with dynamic nozzle and brush assemblies accesses tank corners and complex geome
- Ultrasound imaging device and method for transmitting audible sounds
See how an acoustic exciter vibrates the housing panel to transmit sound without speaker holes,
- Ice-Making Acoustic Spectrum Analysis for Precise Harvest Timing
Frequency-based acoustic analysis separates ice-formation signals from ambient noise to trigger ice harvest at the right time.
- Ultrasonic Phase Monitoring in Biopharmaceutical Freeze-Thaw Containers
Ultrasonic pulse reflection tracks freeze-thaw phase boundaries in biopharmaceutical containers when temperature sensors miss latent-heat changes.
- Pantograph Fault Detection Using Impulse Response Similarity
Impulse-response tapping and similarity analysis reveal internal pantograph damage and joint faults that visual inspection can miss.
- Ultrasonic Wire Bond Defect Detection Using CNN Signal Analysis
Real-time ultrasonic bonding parameters are wavelet-transformed and classified by a CNN to detect battery wire bond defects without extra inspection.
- Battery Cell Component Origin Tracing via Surface Footprints
Unique surface footprints let battery cell components be traced without permanent marking, preserving function and appearance in large batches.
- Lithium-Ion Battery Ultrasound Sensing for SoC, SoH, and Capacity Recovery
Ultrasound and mechanical sensing improve Li-ion SoC and SoH assessment while disrupting the SSEI layer to restore capacity and extend battery life.
- AFM Monolayer Defect Detection Using Ultrasonic Contact Stiffness
Ultrasonic AFM maps topography and contact stiffness together to detect pinholes, delamination, and weak binding in semiconductor monolayers.
- CW Laser Resonance Spectroscopy for Low Q-Factor Samples
Spatially modulated CW lasers excite and detect resonances without contact, enabling elastic-property measurement in small low Q-factor samples.
- Battery Cell Formation Monitoring Using Acoustic SEI Signals
Acoustic emission tracking during battery cell formation enables real-time SEI control, cutting cycle time, rejects, and energy use.
- Ultrasound Battery Management for Accurate SoC and SoH Sensing
Acoustic transducers replace voltage-only battery monitoring to improve SoC and SoH accuracy, enabling broader-range charge balancing.