Electric Devices TRIZ Cases

An external reader connects to a vehicle communication bus to detect high voltage signals from components.

An external server analyzes power data from a smart plug to identify appliance faults, reducing unnecessary service visits.

Optical sensors determine vehicle speed and direction to select adaptive protective zones from pre-stored options.

An automated emergency power supply testing system monitors engine parameters to ensure reliable operation.

A vehicle control system manages engine operation and electrical functions via wireless key authentication signals.

A modular device calculates ecological parameters from power and waste data using a processor algorithm.

Electronic control module uses transformer coupling to manage power states across a galvanic barrier.

A battery frame uses C-shaped longitudinal members and deformation elements to absorb impact energy.

A tire pressure monitoring system compares calculated target wheel speeds from motor data against actual sensor readings to determine tire status.

A power supply manager estimates input current by multiplying output current with duty cycle values.

An irreversible pyrotechnic switch replaces aging electromechanical contactors to eliminate heat generation and ensure safe emergency disconnection.

A sound controller generates synthetic engine audio via speakers using accelerator and vehicle status signals.

A fuel cell controller performs a warm-up operation to raise component temperature before scavenging.

Internal gear hub protects transmission from corrosion while porous tire filling prevents punctures and reduces maintenance.

An acceleration data acquisition unit detects chassis vibration to identify specific abnormality types through frequency pattern analysis.

A tap assembly uses a clamp base and piercing member to engage conductors for signal conditioning.

A pressure sensor monitors volume changes in a sealed cavity between the underride protection device and battery housing.

A control device calculates secondary battery impedance components using Fourier transform on voltage and current data.

A meter samples input voltage and generates indications when values exceed predetermined thresholds.

Rotatable joining portions mitigate longitudinal load input during collisions, preventing fuel cell breakaway from the vehicle body.

Rotary cam switching reduces arcing and wear while maintaining consistent contact pressure for reliable high-current operation.

A vehicle power supply control system selects collision evaluations to manage electrical disconnection states.

A control process manages terminal voltages of undisturbed subsystems in polyphase power converters with distributed energy storages.

Thermoelectric generators convert thermal runaway heat into electrical power, maintaining propulsion levels during aircraft emergency landings.

A telematics unit monitors user entertainment selections to build a personalized profile for automatic activation.

Segmenting the stator into two independent winding sets avoids equalized current and over-voltage issues while boosting motor drive system reliability.

A power conversion device executes discharge control of a second capacitor using a voltage sensor and control unit to manage residual charge.

A meandering trough in a coolant channel promotes turbulence around electric machine end windings to resolve non-uniform flow and poor cooling efficiency.

Voltage dividers across isolated batteries measure center node potentials to detect leakage current, resolving complexity and power consumption trade-offs.

Determines active power using switching frequency to detect quench events in superconductive electrical devices without additional sensors.

Segmented switches and temperature sensors enable controlled discharge of damaged battery packs, preventing thermal runaway hazards.

Comparing auxiliary and main drive wheel motor speeds detects drive-train hardware damage, preventing RPM divergence and shocks during power delivery.

Segmenting the sensor and reader units enables accurate RF power monitoring without physical cables, resolving portability constraints.

Differentiated casing strength positions robust lower sections inward to minimize vehicle size while preventing damage from unit-to-unit contact.

Self-service electromagnetic propulsion generates charging current to extend driving range without external infrastructure.

Predictive modeling analyzes fleet data to arrange cells by electrical traits, reducing heat stress and extending battery pack life.

A battery module nebulizer atomizes liquid into microdroplets to absorb thermal energy from failing accumulators.

Detect individual voltages using sensors to identify anomalies against a calculated baseline, resolving inaccurate diagnosis of voltage inconsistencies.

Capacitors recharge at ports to power electric motors, reducing CO2 emissions and fuel costs from diesel engines.

A battery pack uses a heat-melting guide cover to direct extinguishing liquid into the case.

A motor control device detects rotation direction via a Hall sensor to drive regenerative braking.

A standstill current monitoring device disconnects a rail vehicle transformer from the pantograph when primary side current exceeds a maximum threshold.

A controller estimates battery state of charge using internal resistance and charging efficiency to generate accurate storage capacity values.

Substrate diodes clamp reverse voltage during polarity reversal to protect the sensing circuit and ensure accurate measurement.

An overcharge limit device disconnects individual battery cells when internal pressure exceeds a threshold, isolating faults within the pack.

A controller calculates wiring resistance from voltage and current data to adjust battery cell measurements.

A portable battery pack heating apparatus uses an energy storage device and a heating control module to direct electrical energy transfer for thermal generation.

Selective wheel slip measurement determines surface friction to execute tight vehicle turns without collision.

Composite access cover with conductive inserts opens the high voltage interlock loop upon removal, resolving shielding versus maintenance safety contradictions.

A rail vehicle uses a bidirectional feed device and common energy storage to eliminate separate backup systems, reducing complexity and fuel consumption.