Electric Devices TRIZ Cases

Vehicle communication interface compares vehicle and telematics power states to detect installation errors.

A restriction portion limits insulating protector movement relative to connection members, preventing vibration-induced load application.

A current sensing signal correction circuit compensates for parasitic inductance offsets in parallel IGBT switching devices.

Encryption mechanisms attach timestamps and signatures to energy values, preventing manipulation without increasing local memory storage.

A roving wireless sensor relocates across aircraft components to monitor vibration and operational parameters.

Segmented battery units with interstitial spacing suppress impact transmission between modules while maintaining vehicle weight balance.

Handheld loader uses optical and RFID signals to calibrate AC outlets, resolving measurement precision versus device complexity trade-offs.

An external wire-gathering box eliminates casing holes to maintain sealing integrity while simplifying assembly.

Merging relay controls into one interlock switch reduces wiring complexity and cost while maintaining reliable power blocking during maintenance.

A control unit modulates power signal transitions to generate output signals via a rotatably coupled distributor unit.

Adaptive switching control prevents overvoltage damage during normal faults while rapidly dissipating energy during collisions.

Negative feedback paths with detector diodes reduce thermal drift and noise in high-frequency measurement devices.

Metering element measures input and output power using existing power factor correction circuitry, eliminating separate metering infrastructure costs.

A current adjustment module controls electrical flow in high voltage circuits to accelerate capacitor charging and discharging cycles.

U-shaped sandwich housing absorbs impact forces through foam core deformation to protect rechargeable batteries.

Storage device controller executes embedded test programs to issue command patterns that identify maximum current draw in shared NAND flash power circuitry.

A motor control device manages discharge circuit switching elements to maintain operational status during vehicle travel.

Movable actuating handle incorporates boundary lighting to prevent light source contamination while enabling visual status checks in darkness.

A vehicle battery recommendation system detects driver behavior and consumption patterns to determine optimal replacement options.

A rotary cover pivots on a perpendicular axis to improve ergonomics while cams convert rotation into linear displacement for reliable position detection.

A vehicle charge control method monitors auxiliary battery voltage and adjusts operational states to maintain stable charging conditions.

A battery module housing opening detection system uses sensors to generate locking signals that deactivate the management unit.

Compensation coils generate opposing fields to reduce magnetic strength, protecting passengers with implanted medical devices from hazardous exposure.

Supervisor circuits measure voltage differences between electrodes and communication wires to detect degraded power bar contacts.

A current cut-off unit isolates the fuel cell from load variations during impedance measurement.

A battery pack connector uses an insulating housing and pyrotechnic interrupter to isolate high voltage contacts.

Sequential RF tag reading automates association determination, eliminating manual pre-registration and simplifying system management.

Routing a braided wire along a metal plate bracket induces a counter-magnetic field that offsets inductance and suppresses high-frequency electromagnetic noise.

Series supercapacitors convert non-linear lithium-ion voltage into linear signals, resolving precision issues without expensive current sensors.

A dual variable speed generator system uses a controller to adjust engine rotational speed based on electrical load imbalance between inverters.

A processor analyzes battery voltage and current to generate a V-dQ/dV curve for electrode classification.

A battery estimation apparatus corrects current estimates using resistance change ratios to isolate high-rate deterioration components.

Integrated pushbutton device detects switch positions and faults via input resistance measurement, reducing cabling complexity and memory requirements.

Microcontroller analyzes voltage and current signals from analog multiplexers to detect malfunctions and transition vehicle electrical contactors.

Parallel discharge resistor across cut-off switch dissipates stray capacitor charges, preventing electrical shock hazards during maintenance.

A traction battery over-discharge diagnosing method evaluates voltage, current, and temperature behaviors concurrently to detect cell depletion.

A microprocessor-based safety circuit blocks activation signals from reaching the drive system until an unlocking code is verified.

A detection device uses series resistive and inductive elements to measure voltage across a load path.

A control device adjusts the allowed operating extent of remaining battery packs to maintain nominal power functionality after a fault.

A variable reference voltage generation circuit selects measurement targets to enable accurate analog-to-digital conversion diagnostics.

Magnetic position sensor detects Halbach array location using load cells, eliminating dirt and electrical interference affecting optical systems.

Active control correction eliminates high-frequency oscillations and electrical losses without passive attenuation components.

Variable heating temperature reduces aging deterioration and soiling errors while maintaining measurement sensitivity across different airflow rates.

A leak detection device calculates an amplitude ratio from positive and negative response waveforms to identify insulation faults.

A vehicle power supply apparatus uses a grounded intermediary line to manage relay states during collisions.

Active learning selects weighted sample vehicles from real driving data to optimize battery management system models, reducing laboratory testing demand.

Threaded locking means move a support member to clamp the conduit against an engine block, preventing detachment under vibration.

A DC-DC converter switches between redundant low-voltage bus connectors to maintain stable power delivery to vehicle modules.

Positioning high-voltage components vertically above front side members protects them from impact damage while maintaining fuel cell unit clearance.

Time-shifted vectorial pulse-width modulation reduces capacitor RMS current by up to 39%, extending lifespan in hybrid vehicle power shunt circuits.