Electric Devices TRIZ Cases

See how a thermal management control apparatus diagnoses cooling line failures and redirects st

See how a controller logs distinctive markers at power-up to detect circuit breaker trips, aler

See how a server-client cooling system uses neural network temperature prediction to adapt to d

See how reheating time and frequency indicators derived from power consumption enable predictiv

See how current detection and power consumption analysis enable automatic fault diagnosis of re

See how an ammonia-water absorption circuit replaces compressor-based cooling to regulate EV ba

A high-voltage transistor paired with a low-voltage MOSFET cuts parasitic-diode recovery current, reducing switching loss and component cost.

Detachable sensors and processor-based inference reveal home heating and power system faults, performance issues, and improvement options.

Stores usage counts across multiple time units so gas, water, and electricity history remains visible when display periods change.

Zener-based fault collection and detection circuits isolate vehicle loads when shorts or voltage spikes threaten the ECU and wiring.

A 3D battery temperature matrix compares live EV pack data with a reference baseline to detect thermal management degradation before safety risks grow.

Brake operating points mapped with friction and location data help predict component impairment early without added sensors.

A DC link capacitor powers converters one by one after battery disconnect, pinpointing the ground-faulted converter without battery exposure.

Pressure changes in a battery cooling circuit reveal over-temperature conditions without cell-level sensors, cutting complexity while improving thermal runaway detection.

Voltage monitoring locates contaminated catenary or rail sections, enabling cleaning, power buffering, and stable vehicle operation.

Different forward and reverse torque thresholds cut false reconfiguration alerts in electric traction machines while protecting drivetrain safety.

Parallel analysis of segmented vehicle travel data flags repeated MCU fault codes early, reducing manual monitoring and accident risk.

A four-motor wheel-drive layout narrows front motor spacing and uses rear housing integration to improve power distribution and maneuverability.

Residual shutdown current is routed to prioritized accessories by temperature and power level to prevent fuel cell overcurrent damage and enable quick restart.

Tracks cell voltage deviation during rest periods to detect micro short circuits more accurately than internal resistance methods.

Early gas detection triggers targeted extinguishing fluid discharge around an electrochemical unit to delay fire growth and extend evacuation time.

Differential front and rear motor spacing balances wheel power, traction, and maneuverability while supporting PTO and hydraulic functions.

A wedge-shaped pressure regulating member redistributes bottom impact loads in a battery pack lower box to protect welded regions and reduce leakage risk.

A controller opens the relay and blocks reclosure after high-power release, preventing unnecessary battery discharge and unstable power supply states.

A switchable contact section blocks a slide-out battery tray from drifting back inward on vehicle tilt during battery replacement.

RLS-based equivalent circuit modeling compensates voltage and current sampling errors to improve battery SOC estimation in BMS operation.

An auxiliary controller takes over switch control when the main controller fails, preventing sudden power loss and enabling stable shutdown.

A rigid rear duct section crushes against the cross member to absorb rear-impact energy and limit battery damage in under-seat battery layouts.

A protected emergency battery outside the door keeps the electromotive vehicle lock operable after crashes, overvoltage, and short circuits.

Real-time battery voltage and current are segmented by mileage to predict EV average energy use more accurately under changing driving habits and conditions.

A dividing member aligned with the sliding door lower hinge helps prevent side-collision interference with the battery stack.

Independent front and rear motor control adjusts torque by vehicle state to improve collision avoidance while preserving post-maneuver stability.

Audible pitch and timbre changes convey battery charge and motor operation, reducing driver workload without visual checks.

A triggered safety mechanism connects battery cells to the pack housing to form equipotential paths and suppress high-voltage sparks during thermal runaway.

Per-component battery use is analyzed to classify driving patterns and generate targeted guidance that improves vehicle energy efficiency.

Available memory is used to predict allowable driving distance, preventing log overflow during autonomous driving and preserving continuous operation.

Voltage detection and switch control isolate faulty vehicle loads while rerouting backup power to keep unaffected loads energized.

When battery temperature sensing fails, current and voltage are used to estimate power and trigger contactors before overheating disrupts driving.

Passive thermal switches and load resistors rapidly discharge overheated cells to contain battery thermal runaway without flames or fragments.

Gradual force on one axle reveals wheel-rail friction from speed differences, enabling frequent braking updates with less wear and discomfort.

Adaptive obstacle detection criteria use external environment recognition to cut false alarms without interrupting driving assistance.

A rear housing integrates wheel, PTO, and hydraulic pump motors with nested gearing to improve power distribution stability in electric work vehicles.

A switchover device lets the traction battery power electric vehicle locks during battery failure or crashes, avoiding extra backup batteries.

An illuminated end cap shows when power reaches the cable tip and adds a fish-tape connection point for easier, less damaging installation.

Interconnected hollow-cell polymer reinforcement absorbs and dissipates side-impact energy to protect vehicle battery cases from damage and fire risk.

Cell voltage comparison verifies sensing faults before discharge limiting, preventing unnecessary power restriction and sudden vehicle stops.

Predicting residual battery level and signal quality lets vehicle OTA updates wait for better timing and coverage, reducing failed downloads.

Optical fiber sensing and remote OTDR analysis track device thermal status in vehicles while reducing onboard hardware complexity.

Automatic switching between collection and highway braking modes improves regenerative energy recovery and braking behavior in electric refuse vehicles.

A flexible vent membrane and support wall seal out contaminants yet rupture at a pressure threshold to relieve battery pack thermal events.

By comparing isolation resistance before and after shorting a fluid path segment, this case derives coolant conductivity without dedicated sensors.

A movable connection device lets a battery cooling channel also vent gases outside the vehicle, cutting complexity and preventing cabin gas entry.

When battery or motor recharge capability drops, braking torque is shifted between regenerative and hydraulic braking to keep deceleration stable.

Distributed VCM controllers coordinate drive, steering, and braking across modules to maintain safe operation in normal and fault conditions.

Piecewise time-dependent failure rates let cyclic diagnostics count in vehicle energy supply safety assessment, improving self-driving reliability.

Parallel power lines and failure detection keep autonomous driving loads energized when one supply path or conversion module fails.

An auxiliary rigid plate between battery modules spreads weight and reinforces the housing to resist vibration and impact.

Individual load profiles let one vehicle ECU monitor multiple electrical loads, isolate faults, and protect shared driver circuitry.

Direct battery fire suppression uses onboard agent storage, flow paths, and external refill input to speed response and limit thermal runaway.

A CMU switches battery units between series and parallel to handle 48V pre-start and 12V starting with one lighter battery set.

A mixed fastener layout blocks cover removal near interior trim, securing vehicle high-voltage parts while preserving maintenance access.

Separated heater and sensing switches let the controller detect faults from temperature data while reducing switch wear in material handling batteries.

Compares stored current and cell-voltage dynamics to detect battery cell faults without extra sensors or aging-based recalibration.

A forward bracket absorbs and redistributes collision loads to rigid case sections, protecting a protruding vehicle high-voltage module.

After an interlock opens, the circuit isolates drive power, confirms decoupling, and restores auxiliary loads such as AC and communications.

Dual converters, switched power distributors, and a bidirectional link isolate failures and keep essential autonomous vehicle loads powered.

When battery temperature is too low for stable rotor output, takeoff is blocked until rotor-driven warming raises it to a safe level.

A BMS triggers supplementary pyrotechnic fuses to open parallel pack connections, isolating faulty battery packs without complex switching.

Cooling channels integrated through brackets and the front beam keep EV battery packs compact, rigid, and better shielded from NVH.

Two power storage paths prioritize critical on-board loads during backup, improving power continuity, flexibility, and resilience.

A low-voltage coolant pump keeps battery cooling active after high-voltage shutdown to slow heat spread and protect neighboring cells.

Travel history data is matched to known fuel cell degradation states, enabling remote deterioration alerts without maintenance shop visits.

Terminal voltage measured at aircraft rotors enables battery SOC estimation even during communication failures, supporting stable flight power.

A rotational LiDAR shares one optical-mechanical set across redundant electronic modules to avoid single-point failures without duplicating cost or weight.

A closed-section dash panel and battery protector redirect the sub-frame in frontal crashes to avoid battery impact and fire risk.

Pre-entry diagnosis of a vehicle backup power supply avoids startup delays and keeps autonomous driving and steer-by-wire ready.

Pre-closure voltage checks diagnose stuck positive and negative battery relays without switching, cutting diagnosis time and power use.

Sensor-triggered skill sets let a vehicle adapt functions to identified users and conditions, improving comfort and operating efficiency.

A capacitor-fed excitation path replaces the battery-based storage unit, shrinking railway drive control hardware while keeping generator startup power.

Dynamic torque modulation blends hydraulic and regenerative braking by wheel grip and load to recover energy without destabilizing ABS braking.

Temperature forecasts are used to predict EV range and warn when charge may fall short of reaching a station or destination.

Multi-tier distributed power with a safety backup keeps autonomous vehicle sensors and computing running during failures and supports safe shutdown.

Different sliding thresholds on leading and trailing wheels clean route contamination and recover adhesion to shorten stopping distances.

Ripple-current battery monitoring estimates emergency pulse energy from internal resistance, temperature, and discharge current to warn before failure.

Voltage and current feedback control enables battery self-heating in cold conditions while preventing switchgear sintering and preserving charge-discharge efficiency.

Alternating the relay diagnosis target across parallel battery packs cuts startup delay while maintaining broad relay fault coverage.

Directional venting through case holes and cell-cover protrusions relieves battery module pressure and limits thermal spread during cell failure.

A notched wire protector exposes the cut target wire for fast emergency power interruption without complex interrupting hardware.

Projected HV exposure hours track propulsion, accessory, and offboard loads to warn when V2X use may shorten EV battery-system warranty life.

Faulty memory blocks are isolated and rebuilt from local backup sections, preventing battery management shutdowns and data loss.

Expandable curable adhesive blocks vehicle hollow passageways during battery thermal runaway, redirecting hazardous fumes away from passengers.

During towing, battery power is routed only to the hydraulic pump motor, maintaining brake and steering hydraulics while limiting battery deterioration.

Real-time charging and power-consumption displays guide dump truck braking to recover more regenerative power without overloading the battery.

Latest battery state parameters update stored maps to reflect degradation, improving parameter accuracy while limiting calculation load.

Detected battery faults trigger emergency discharge through vehicle loads or bidirectional charging, cutting heat buildup and thermal runaway risk.

Wheel-specific torque limiting and axle brake requests improve slip control dynamics, propulsion, and stability in centrally driven vehicles.

Advance pedal-release notifications align driver timing with upcoming speed reductions to improve regenerative braking and extend EV range.

Aligned side-wall reinforcing portions restrain module case bending and protect cell units from side-impact deformation in vehicle packs.

Periodic slave BMS wakeups detect early fire events during charging while the master sleeps, cutting power use without losing thermal runaway warning.

Combining current rise and voltage drop detection helps identify short-circuit currents and avoid noise-driven erroneous power line cutoffs.

Voltage-difference and SOC-variance analysis helps detect abnormal EV battery packs despite low sensing resolution, reducing fire risk.

Noise changes in positive cell-voltage signals reveal harmful fuel cell stack conditions early, avoiding complex symmetrical supplies.

At-risk battery cell assemblies are selectively discharged to a separate energy sink to stop thermal runaway propagation and reduce fire hazards.

A controlled loading device reproduces damper-induced transients in EV high-voltage networks, enabling accurate protection design without road testing.

Detachable battery modules on a load-bearing bracket keep the pack sealed while allowing selective replacement, lower maintenance cost, and compact thermal management.

Balanced impedance networks and a differential amplifier detect welded EV battery contactors with higher noise immunity and fewer false positives.

Pack-level voltage and current prediction improves SoC and usable capacity estimation in parallel ESS, avoiding weakest-link underuse and excess wear.

Complex impedance checks identify degraded battery cells so they can be isolated before pack imbalance reduces performance and reliability.

Dynamic stack current and voltage thresholds reduce torque fluctuation and rattling while protecting fuel cell performance under degradation.

By tilting the roof insulator, the disconnect switch fits within rail loading limits while preserving air gaps and reducing flashover risk.

Cyclic voltage comparison at a resistor dividing point improves earth leakage detector diagnosis despite coupling capacitor leak current.

Selective fuel cell module shutdown and retry control handles temporary errors without stopping healthy modules, reducing energy waste.

OTA battery capacity updates notify users when estimates rise and smooth hidden decreases to avoid abrupt range changes.

Frequency-based filtering separates vehicle frame voltage into low, grid, and high bands to detect hazardous grid faults with fewer false alarms.

Calculates battery cell internal resistance from driving-state current and voltage data, avoiding battery removal and improving lifespan assessment.

A vehicle-mounted inverter exports commercial-grade AC power without bidirectional chargers, enabling grid-forming mobile power for heavy-duty loads.

Portable monitoring of voltage stability, temperature fluctuation, and charge deviation helps responders judge EV battery thermal runaway risk.

Upcoming road and weather data trigger automatic tire inflation or deflation, helping vehicles handle hazardous routes without detours or manual pressure changes.

An opto-isolated inverter measures AC voltage while the low-voltage controller calculates main power, improving overvoltage protection and safety.

Coordinated d-axis current injection in multiple motors generates AC battery heating while keeping motor temperatures below safe limits.

Obstacle detection triggers battery fixing, airbags, and height control to shift the pack away from side impact and prevent EV battery fires.

Frequency-targeted drive current and vibration spectrum analysis pinpoint deterioration in motor members and bogie structures.

Separating travel and onboard equipment power use gives drivers clearer feedback to compare energy ratios and improve vehicle power management.

A particle-graded composite layer acts as a separator to suppress water electrolysis while lowering resistance in aqueous secondary batteries.

Prism-guided infrared imaging maps battery pack temperatures, spots runaway cells, and enables fuse cutoff to prevent hazardous overheating.

A spaced protective plate creates a void that receives a crashing cargo hook, shielding aircraft fuel cells from puncture and fuel leaks.

SOC-based switching between AC and DC heating uses motor windings and inverter heat to warm batteries efficiently in low temperatures.

A recessed partition wall lets the steering shaft pass above the traveling motor, preserving crash stroke and steering wheel layout in EV front structures.