Electric Devices TRIZ Cases

A vehicle energy storage system switches to a secondary data transfer mode when the primary link fails, maintaining continuous operation.

A battery monitoring system assesses temperature sensor reliability before triggering thermal event alerts.

Calculates stack coolant resistance from multi-level electrical measurements to identify contamination faults without disconnecting contactors.

Stacking semiconductor modules on both heat sink surfaces reduces vehicle power converter size while maintaining assembly efficiency.

Injecting pseudorandom signals into a power grid enables real-time impulse response determination through synchronized cross-correlation.

Segmenting traction and cutting power via independent electric motors resolves the noise versus energy efficiency trade-off in land maintenance vehicles.

A power quality monitoring apparatus calculates and accumulates the absolute value of commercial voltage to determine voltage quality rapidly.

Replacing mechanical components with projected capacitance sensing eliminates protruding buttons and reduces failure rates in vehicle interiors.

A computerized controller monitors anode gas loop pressure to detect low-level fuel injector leaks through calibrated threshold comparisons.

A fuel cell hydrogen supply fault diagnosis system estimates hydrogen flow using pressure sensors and estimators to detect leaks.

Transverse battery placement between the side wall and seat leg area forms a protective barrier that reduces bumper intrusion during side collisions.

An emitter follower buffers the RF base signal via a Schottky diode, reducing loading errors while boosting output voltage.

Field sensors disaggregate losses and correct estimates based on misalignment, resolving inequities in charging costs.

Connecting the distributed maximum power point tracker secondary bus to the low voltage bus removes heavy bi-directional DC/DC converters.

Web-type hub architecture replaces rigid vehicle-specific harnesses with standardized segments to reduce wiring complexity.

A monitoring module in a trailer shunting drive system generates audio and vibration warnings when drive units remain engaged during coupling.

A reconfigurable wireless sensor network measures subsurface electrical resistivity using dynamically positioned electrodes.

An impact device disconnects a control circuit via relative chassis movement to switch off high voltage systems during collisions.

Dual voltage clamp circuits with different thresholds control rectified signal slope, improving measurement precision in RF power detection.

Inflatable air bag deploys through hood-windshield space using a deflector to guide expansion.

A current-interrupt device uses a dielectric fluid to create an insulating gap when internal pressure rises.

Speed-dependent servo actuator positions a blocking element to prevent unintended trunk opening at high speeds while allowing emergency release at low speeds.

Insulating separators cover rectangular battery cell cases to prevent electrical short circuits between adjacent cells.

Contextualizing voltage data from multiple monitoring points resolves the contradiction between increasing data quantity and organizational complexity.

Coordinated master and slave PWM controllers manage interlaced switching sequences to reduce input current ripple and extend circuit service life.

A load forecasting system generates modified profiles with safety margins to determine maximum load values for power restoration.

An asymmetric shunt resistor configuration detects corrosion-induced failures by comparing estimated currents derived from unequal resistance elements.