Electrical Testing TRIZ Cases

Differential voltage measurement between same-polarity cell terminals detects internal shorts and self-discharge far faster than aging tests.

Charging-voltage features are mapped to battery aging modes and a physical aging model to improve propulsion battery lifetime prediction.

Top-side capacitor placement on the socket pin array cuts loop inductance, lowers PDN impedance, and reduces power supply ripple.

Continuous pulsed heating brings a lithium-ion battery to stable temperature faster, cutting low-temperature soak time in durability testing.

A limiting member on the insertion arm stabilizes battery material during loading to improve pickup consistency and avoid collisions.

Regional Randle circuit modeling estimates heat generation and temperature gradients inside a battery cell for more accurate state diagnosis.

A cathode redox indicator creates a distinct potential drop during discharge, enabling faster and more accurate battery capacity estimation.

Pressure data from selected battery positions is compared with reference pressure to detect lithium plating early and reduce dendrite-related safety risk.

Expansion change between two charge states is used to isolate battery calendar capacity loss, avoiding slow, costly aging tests.

Continuous X-ray line-scan inspection synchronizes battery motion and detector sampling to cut test time while preserving defect image accuracy.

SOH-based cut-off voltage adjustment lets low N/P Li-ion cells maintain energy density and life while avoiding lithium plating.

Impedance analysis of blocking cells predicts lithium secondary battery capacity fade patterns early, cutting long R&D test cycles.

Wider tapered slot supports in a wafer cassette cut sag in 100 μm, 200 mm wafers, preventing breakage and robot identification errors.

Signal-level detection adjusts RF switch gate control in an antenna tuning IC to cut current draw while preserving high RF withstanding voltage.

Charge-side and discharge-side resistance tracking reveals battery degradation early enough to trigger preventive action before thermal damage.

Coordinated motor thrust and electromagnetic brake control keeps wafer stages level under probe-card load while cutting holding power.

Uses SOC-segmented voltage and C-rate data with interpolation and smoothing to estimate OCV and battery lifetime without lengthy tests.

Terminal voltage is used to correct stored battery SOC and predict available capacity under current and temperature effects.

Applying pressure during charging reveals leak-related faults in battery cells before activation, cutting costly manufacturing losses.

Tracks magnetic force changes from an internal sensing element to measure one battery electrode's dilation without blocking ion transport.

Separate Kalman filters for each battery string improve SOC estimation speed and accuracy in large electrified vehicle battery packs.

Automated multi-channel battery cycling combines early characterization with simulation to cut test time while improving charging speed and battery life.

Hysteresis temperature modeling improves battery discharge capacity estimation when sparse sensor placement causes delayed thermal readings.

Real-time cable resistance updates let a power supply hold remote radio head voltage steady despite environmental changes and current draw.

Pack-level coulomb counting with module voltage bias correction cuts SOC estimation load while improving module balancing in vehicle battery packs.

An adjustable inclined fixture and pressing setup prevents battery slippage and controls bending angle and morphology for safer test evaluation.

Adjusts battery under-voltage cutoff by temperature and discharge current to use more charge in cold conditions without damage.

Distinct discharge loops let an area monitoring module separate detector removal faults from open circuits with a simpler diode-base circuit.

Comparing measured and estimated voltage drop during high C-rate discharge reveals abnormal secondary battery deterioration before early cutoff.

Measured capacity-voltage curves are matched with simulated electrode profiles to identify each active material state without battery disassembly.

An elastic conductive contact and limiting member simplify battery test connection, improving throughput while lowering structure cost.

Machine learning groups batteries by usage history and internal resistance trends to estimate capacity more accurately across different aging patterns.

EIS impedance data and battery state values build a lookup table that tracks aging effects for more accurate battery temperature estimation.

Selective updating of SoC-section ECT parameters with Bayesian optimization preserves battery state estimation accuracy while cutting update burden.

Reference electrode-potential curves at multiple charge rates reveal faulty vehicle battery cells early and support corrective action.

Age-based fuel cell power scheduling and battery charge-sustaining control extend vehicle range while limiting transients and degradation.

Balances power demand across multiple fuel cell systems by shifting operating dynamics based on state of health to extend combined service life.

Offset routing across adjacent flip-flops cuts coupling capacitance, reducing power use and area in dense standard cell layouts.

Voltage-drop inspection checks battery exterior insulation quickly and accurately for high-speed production, reducing defect risk from exposed conductors.

Correcting SOH with SOC range, SOC change, temperature, and C-rate improves battery capacity estimation without full charge-discharge cycles.

Direct gate-voltage sensing identifies non-triggered parallel thyristors without delayed thermal feedback or added current-sensor complexity.

Analog lock-in circuitry enables faster battery EIS phase and amplitude detection with lower memory use and reduced digital processing.

Multi-channel battery images and hybrid MEM-GPT forecasting improve EV battery state prediction for charging and electrical system control.

Analog synchronous voltage and current acquisition speeds battery EIS phase and amplitude detection while cutting computation, memory, and footprint.

Integrated ECU sensing and a bidirectional switch monitor LV battery voltage and temperature while enabling standby trickle charging with lower cost.

Adaptive EIS adjusts stimulus and sensing from transfer-function scoring to measure cell impedance accurately with lower power and circuit complexity.

A segmented clamping fixture and pressing setup controls battery bending from 0 to 180° while preventing sliding for more realistic safety evaluation.

Charging-curve segment extraction links key parameters to battery SOH, improving detection accuracy and warning of abusive aging conditions.

Breakage-guided connector sheets isolate a failed battery unit and reconnect adjacent cells, cutting repair waste and downtime.

Predictive battery monitoring combines sensor data, digital twin state estimates, and fault likelihood alerts to prevent failures earlier.

Processor generates kinetic parameters for an equivalent circuit model using a modified least-square algorithm with a forgetting factor.