Electric Devices TRIZ Cases

A vehicle safety system calculates current and predicted tiredness values using a sleep/wake predictor model based on tachograph and driver card data.

A fuel cell control unit adjusts membrane resistance and exchange current density parameters to align actual voltage-current curves with target values.

A battery energy estimation method calculates residual capacity using current, temperature, and state of health variables.

A vehicle power supply control device uses external commutation diodes to stabilize electrical potential within the internal ground circuit.

A power system voltage reactive power monitoring control device calculates target value constraints to adjust voltage and reactive power.

A signal emission device indicates high-voltage connection states using a low-voltage power supply.

A motor inverter adjusts its switching frequency to maintain a safe pulse ratio.

Motorized longitudinal, lateral, and vertical mechanisms position probes automatically to measure voltage values, eliminating manual operation time.

A data processing device models electric appliance operational states using a factorial Hidden Markov Model on time series current data.

A conversational AI system engages fatigued drivers through interactive questions and games to sustain cognitive attention without disruptive alarms.

A rear crossmember isolates high-voltage and low-voltage devices during collisions, preventing contact risks while maintaining compact space utilization.

An integrated electrode assembly uses a three-phase separation layer to enhance ionic conductivity and mechanical stability within lithium secondary batteries.

An electro-optic element inside a waveguide detects electromagnetic power via the electro-optic effect.

A computer system adjusts power supply efficiency by dynamically migrating workloads between multiple units based on real-time telemetry data.

Front-back switch distribution minimizes temperature dispersion in flying capacitor detectors, improving signal-to-noise ratio for accurate voltage readings.

A fuel cell recovery system uses an inverter to consume generated electricity during oxide film removal.

Three-point voltage measurement localizes current loop interruptions to reduce troubleshooting time and improve safety.

Detects branched gas from battery cells to monitor swelling levels, enabling early intervention before pressure buildup causes ignition.

Switched-mode energy tracking circuitry measures power consumption using constant-width ON-time pulses and intermediary inductor coupling.

An intermediary heat insulating member protects the front drive motor from engine thermal impact, enabling compact packaging and flexible series travel modes.

A switching regulator stabilizes antenna current and voltage using a dynamic compensation signal slope.

A fuel cell vehicle safety apparatus manages bidirectional power conversion and relay switching to enable external portable generator operation.

Central pipe routing within the battery case protects conduits from side collision loads while reducing overall unit height.

A movable electrical connection element retracts into the housing via a prestressing element to prevent short circuits during collisions.

A breakaway fuse holder uses overlapping housing engagement and a silicone o-ring seal to create a watertight barrier around electrical components.

Base beads immobilize the spring transversely to prevent misalignment and maintain consistent contact force for reliable battery temperature regulation.

A control device manages dual energy sources in electric vehicles, enabling mode switching via a human-machine interface.

A voltage detection circuit scales input line voltage using a resistor network and comparator to communicate threshold crossings via an optical isolation device.

A compact dual diode RF power detector merges directional couplers and detectors within the power amplifier footprint using symmetrical signal paths.

An elastomeric cushioning member absorbs vibration and heat shocks before reaching the cells, suppressing swelling without adverse mechanical pressure.

Routing electrical wires along the arm prevents interference with raising mechanisms and eliminates bulky accommodation cases.

An AC electricity meter and controller calculate DC energy flow, bypassing unavailable certified DC meters for accurate billing.

A thermoelectric power measurement cell merges two heating elements onto a single sensor to achieve high thermal coupling and accuracy.

Periodic voltage modulation distinguishes auxiliary device faults from intermediate circuit faults using partial voltage proportionality analysis.

A method estimates facility heat loads by measuring real-time energy consumption of specific equipment using thermal characterization parameters.

A voltage source converter adjusts active and reactive power instructions along a specified slope to reduce arm current magnitude.

A diagnostic unit estimates battery internal resistance using controlled partial discharge cycles.

An energy meter user interface displays application energy usage information including wake counts and utilization metrics.

Periodic wake-up monitoring of a vehicle battery while the main relay is off prevents combustion risks caused by continuous power drain.

A battery management system compares DC-DC converter output voltage with auxiliary cell voltages to detect relay fusion states.

Segmented analog-to-digital converters synchronize voltage and current detection timing to eliminate measurement errors in multi-battery systems.

An inclined side surface guides water toward a rocker drain hole, preventing accumulation on the energy absorbing member.

Parallel contactor paths with integrated sensors enable on-the-fly reconfiguration and failure detection without power loss.

Bidirectional communication ports enable circuit breaker status monitoring while auxiliary power inputs maintain functionality during OFF or TRIPPED states.

Sensor nodes deploy with varied sensing areas to minimize overlap, computing energy consumption per area accurately while reducing total network power usage.

A dual-mode counter-rotating electric motor uses conductive bearings to transmit power between rotating members without brushes.

A vehicle loudspeaker emits coded acoustic signals containing battery operating parameters for external detection.

A resin-molded stator uses a groove portion on the second facing surface to guide mold material and maintain consistent air gap dimensions.

RFID tags store vehicle error information to eliminate time-consuming diagnostic testing during repair.