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.

A characteristic measuring device employs a double fastening mechanism with two actuators to maintain pre-load consistency during state switching.

A robotic shake table uses a camera and accelerometer to estimate ground motion for precise specimen positioning.

Clamping fixture distributes mechanical stress across test PCBAs, enabling accurate reliability assessment of Pb-free solder joints under extreme conditions.

Suspended seismic simulation platform uses elastic elements and actuation members to induce realistic vibrations.

A solid aluminum alloy cube fixture with machined bearing recesses transfers linear displacement from electro-dynamic shakers to the mounting surface.

A support member between shafts suppresses wheel circumferential deflection, ensuring effective vibration force transmission across the entire frequency range.

Hopf oscillator adjusts exciter input signal frequency and magnitude in real-time to maintain precise resonant vibration of the test component.

An electromagnet slip table secures test fixtures via magnetic attraction, reducing manual setup time from 45 minutes to under one minute.

An inductive position sensor assembly detects axial armature displacement via electromagnetic coupling between frame and moving members.

A decoupling mechanism amplifies vibration force through rotary motion conversion to drive a sliding table assembly.

A six-degree-of-freedom vibrational excitation platform uses a marble support frame and air springs to generate precise mechanical motion.

Segmenting structures into layers with individual centroids detects torsional vibration modes without requiring synchronized multi-point data.

Coupling rods transmit oscillating forces to rotating specimens, eliminating heavy foundations and reducing drive energy requirements.

Segmented hinged frame transfers loads to ground anchors, isolating the joint from structural interference to enable precise seismic behavior measurement.

A closed-loop control system generates non-Gaussian excitation signals by managing Power Spectral Density alongside Fatigue Damage Spectrum parameters.

A structure abnormality detection system predicts inspection values at one position based on another with similar vibration intensity.