Electric Devices TRIZ Cases

A test device monitors current flow and voltage in electric vehicle battery packs using non-intrusive Hall effect sensors.

A floating net inspection method applies test voltages to integrated circuit transistors to detect connecting nodes with abnormal electrical potential levels.

Electronic control unit transmits signal frames on the data communication bus to verify safety conditions.

A measuring system evaluates voltage curves to verify contact quality using internal resistance discharge.

An instrument transformer converts high-voltage currents and voltages into low-level digital signals using integrated level converters.

Segmenting cells into parallel groups with independent controllers enables accurate state of charge measurement without resting the entire system.

A battery regenerative strength control method dynamically adjusts current regenerative strength using PID mechanisms for electric vehicles.

Merged semiconductor switches output isolated awakening signals, reducing parts count and packaging size in hybrid vehicle battery systems.

An electric actuator drives a screw-nut mechanism to lock a dog clutch, eliminating continuous holding current.

An outboard electric drive attaches to a vehicle hitch and uses a momentum switch to apply assistive force during acceleration.

A universal grid analyzer synchronizes analog-to-digital conversion with pulse-per-second signals to generate time-aligned power metrics.

Independent battery banks reduce electrical power losses by enabling separate energy management strategies for each axle.

A traction motor system generates electrical signatures from supply signals to identify impending mechanical faults without additional sensors.

Adjusting regenerative torque based on road surface friction resolves the contradiction between rapid slippage suppression and smooth vehicle acceleration.

A model-based system predicts power source operating life by processing real-time device usage data and operational parameters.

A thermal management unit calculates variable throttle duty from live CPU temperature data to adjust processing performance.

A battery thermal management system uses a microcontroller to select between small and large cooling units based on real-time capacity signals.

A pyrotechnic high-voltage switch uses levitation-induced voltage drops to trigger automatic contact separation.

Segmented grooves and protruding portions in the interlock pin body disperse vibrations, preventing arc generation during high-voltage connector disconnection.

A crash-triggered safety mechanism disconnects high voltage power sources in electric aircraft to prevent electrical hazards.

A single inductor in a full-bridge topology manages bidirectional current flow to eliminate net DC bias.

A universal performance monitor extracts and transforms disparate power generation data into a common format for centralized storage.

Merging the motor housing with the rear frame portion suppresses width protrusion and improves traveling stability by distributing weight.

A thermal model calculates earthing contact temperature using detected power losses from the exciter coil and contacts to assess component condition.

Vertical power line routing reduces bending fatigue along the steering axis while preserving wheel well structural integrity.

A uni-wheel vehicle uses inertial sensing to maintain balance while a cable steering mechanism links handlebar rotation to wheel direction.

Digital differentiation of transistor characteristics minimizes third-order non-linearity and harmonic generation while reducing power consumption.

A monobloc gear motor integrates the traction motor shaft directly with a braking system and transmission housing to form a compact drive unit.

A vehicle braking system controller regulates downstream hydraulic pressure to maintain a shut-off valve in a closed condition.

Airbag control unit stores actuation signals in non-volatile memory to prevent unintended high-voltage battery re-activation after voltage dips.

An extension module supplements a low-dropout regulator to maintain stable output voltage during input drops.

A compact ducting arrangement reduces the width of traction motor cooling systems for rail vehicles.

A vehicle drive control device manages shift engagement devices through slip states to coordinate engine start and gear transitions.

Offset periodic switching of parallel discharging units balances heat dissipation and prevents overheating in electric power converters.

A current transformer sensor wirelessly transmits harmonic spectrum data to a management device.

Segmenting the support frame into extruded members joined by fitted portions.

A battery element safety device isolates output terminals via series switches to prevent electric arcs and hydrogen production during maintenance.

A utility meter sensor device uses a dielectric material between the coil and conductor to reduce capacitive coupling.

Anisotropic constitutive parameter arrays mode-match electromagnetic fields to launch Zenneck surface waves.

A renewable energy source charges a storage device via an auxiliary power converter to supply railway vehicle auxiliary circuits.

A power monitoring device extracts key feature information from consumption data to reduce storage requirements.

A control system checks contactor states before sending turn-off instructions to open high-voltage circuits in electric vehicles.

Inject common voltage into electrical phases to determine AC line resistance, detecting isolation faults between the power circuit and chassis ground.

Controller adjusts pump RPM using electronic component temperature maps to reduce noise and improve fuel efficiency.

Information processing device extracts battery state information using learned models and threshold conditions.

A traction battery diagnostic system detects overcurrent conditions by comparing measured voltage against estimated values.

Microprocessor measures feedback voltages on de-energized contactor coils to identify fault conditions before operation.

A dual-use telephone jack connector provides a communication interface for power quality devices.

A pulse-controlled inverter selects circuit states to ensure safe disconnection during electrical drive faults.