Vibration Testing TRIZ Cases

Processor-controlled transducers induce realistic body vibrations to isolate vehicle noise sources without shaker tables or road testing.

Pneumatic-hydraulic push elements speed fixture mounting on vibration test machines while preserving reliable, repeatable triaxial testing.

Gas-pressure clamp locking replaces manual fasteners in vibration testing, speeding direction changes while avoiding hydraulic leakage.

Pre-installed exciters and sensors on a reciprocal FRF fixture cut placement error and speed consistent SRF measurements across structures.

Direct-coupled rodless inertial shakers remove stingers and suspension systems, improving modal testing safety, setup, and force measurement.

A mobile robot uses cameras, vibration sensors, and ML to standardize machinery checks and alert teams when component vibration is out of range.

A belt and tension device balance opposing forces while the platform simulates automobile-generator vibration for reliable testing.

Segmented box bodies and X-, Y-, and Z-direction motion help reproduce wide seismic fracture zones while canvases limit soil-rock loss.

Preconfigured piezoelectric transducers and equally spaced sensors detect structural cracks and corrosion through acoustic waves without disassembly.

Surface-only inspection can miss voids beneath a road slab; embedded acceleration sensing with CNN and MLP processing improves internal damage recognition.

Large-structure modal tests can become nonlinear under strong excitation; automated force optimization derives accurate frequency response functions.

A movable orthogonal-shaft mount positions vibrators above, below, or beside large structures for comprehensive resonance testing.

A programmable hydraulic actuator applies adjustable bridge forces across 2–30 Hz while a fifth load cell verifies sensor calibration.

A separating slot tunes the fixture’s natural frequency, damping frequencies below cutoff and improving vibration signal-to-noise.

Merging multiple base plates into one unit with internal fluid passages reduces structural complexity and manufacturing costs while maintaining high precision.

A vibration controller monitors horizontal slide table displacement to prevent mechanical damage during testing.

A vibration-centrifuge composite test apparatus integrates control systems to manage acceleration and rotation speed signals.

Orthogonal actuators apply known moments to detect incorrect off-axis responses in force transducers.

Segmenting the shaking table into long stroke and short stroke subsystems resolves the conflict between heavy load capacity and high frequency loading.

A test fixture with a rotatable base supports devices under test while maintaining structural rigidity.

A cantilevered test fixture uses a separating slot to adjust its first mode natural frequency for vibration testing.

Sequentially removing large amplitude peaks until kurtosis reaches three eliminates noise from autocorrelation spectra, enabling accurate fault prediction.

A MIMO control system adjusts drive signals using a modified reference specification derived from actual performance data.

Leaf-spring decoupling devices transmit vibrations along specific axes while isolating cross-axis disturbances in three-dimensional vibration platforms.

A carriage assembly moves along a control rail to generate impact forces in multiple directions using a catch mechanism.

Spray mist onto the moving coil induction ring to absorb heat through evaporation and reduce radial expansion.

Flexible cables transmit cyclical loads from a ground actuator to a wind turbine blade, eliminating movement constraints that distort fatigue life predictions.

Topology optimization reduces fixture weight and resonance interference to improve vibration testing accuracy.

A hydraulic testing platform applies controlled tension and vibration to slender structures.

Unified control signals for voice coil motors and air springs eliminate instability during low-frequency quasi-static vibration tests.

Exciter device applies pretensioned sinusoidal force to wind turbine blades, eliminating gearbox reversals and reducing wear during fatigue testing.

A testing device simulates longitudinal-transverse-torsional coupled vibration responses of drill strings using controlled fluid flow and mechanical excitations.