Electric Devices TRIZ Cases

By integrating discharge current to a fixed OCV point, this case estimates LFP full-charge capacity accurately despite flat SOC voltage regions.

Switches between battery cells isolate short-circuited cells based on voltage conditions, limiting heat rise and preserving pack output.

By extending winding zones beyond q slots and splitting phase paths across both end faces, this stator cuts torque ripple, noise, and ohmic loss.

Elevated modular gondolas use narrow towers, electrified cables, and regenerative braking to expand urban transit with less land use and cost.

A controller separately calculates operable time and travelable time, helping electric excavators return for charging without cutting work short.

Diode-state isolating switches decouple vehicle DC network areas during faults to stop reverse current and keep safety-critical loads powered.

Simultaneous speed and torque control across two motion support devices improves wheel slip precision while avoiding actuator interference.

Monitors outlet voltage and radiated EM signatures to identify device operation and energy use without panel wiring or dedicated breakers.

A dual-loop EV thermal circuit reuses motor heat for battery warming and redirects coolant during thermal runaway to suppress fire without extra hardware.

Segmented side-wall ribs absorb crash energy around underfloor EV batteries, improving collision protection without a heavy case.

Aggregated driving duration, mileage, and frequency enable user type classification for battery management without exposing sensitive route data.

Piezoelectric sensing layers detect battery deformation and temperature, helping locate swollen cells for targeted replacement and safer pack use.

Group-based battery monitoring analyzes aggregated data over time to detect cell-level anomalies early and support root cause tracking.

Degradation-rate monitoring sets charge-discharge limits at the right time, improving battery life management under changing use patterns.

A shell-like inverter bracket stretches under side impact to distribute load, prevent bolt shearing, and keep EV high-voltage parts secured.

A forward cooling fan drives air through the battery-frame gap to expel trapped hot air and limit battery degradation in electric work vehicles.

Machine learning uses vehicle telematics to turn full-charge driving distance into a clearer, real-time battery health indicator.

When a drive module fails, an assisting drive module can connect and take over its function to move a modular autonomous vehicle to service safely.

An elastic-covered wire harness is routed through the battery case-frame gap to save space while damping vibration, noise, and harness damage.

A heat-triggered reservoir wall releases extinguishing agent from inside the battery to cool overheated cells without sensors or actuators.

Optical fiber sensing data is collected onboard and analyzed remotely to monitor EV battery temperature and strain with less vehicle hardware.

A laterally sliding shield protects underbody battery housings from impact while allowing quick removal for maintenance access.

High-frequency torque and rotation-angle summing improves vehicle carbon emission accuracy while cutting upload bandwidth and fraud risk.

Early cell-level sensing triggers isolation and rapid discharge to stop thermal runaway from spreading across an EV battery pack.

An inclined side protector with an extension and hollow section deforms to disperse collision loads and shield the battery pack from side impact.

Sudden-change and range checks flag declining battery state estimate accuracy, preventing unreliable processing and supporting model relearning.

Cross-correlating voltage curves at both ends of a vehicle power path reveals early degradation before conductivity loss leads to failure.

A single isolation monitor and sequenced contactors pinpoint faulty battery packs during charging or loose-battery service testing.

A check valve lets the battery cooling loop also direct fluid to a leak point for fire suppression, saving space and avoiding separate extinguishers.

An intermediary on the train serial bus captures full on-board instrument data without new interfaces or changes to the vehicle management system.

Sequenced contactor closure lets one isolation monitor identify and disconnect a faulty battery pack in an aggregated vehicle battery.

Reversible fan control redirects venting gas and sparks away from adjacent battery packs while limiting oxygen ingress during thermal events.

An inclined stepped cab floor collects and directs leaked fuel from the fuel cell system, cutting collection parts and sensor needs.

A sealed air chamber and pressure hose enable reproducible impact sensing for traction batteries where sensor space is limited.

Applying matched electrical stress to power and sense transistors preserves current sensing accuracy over time in switched inductive circuits.

A dedicated traction battery separation box isolates high-voltage lines within 5 ms, reducing uncontrolled energy release and contact risk.

By coupling a heat transfer member to the pre-charge current path, this case improves relay cooling without large bus bars or added cost.

Transfer learning from similar vehicles helps battery management adapt to real driving and charging conditions while preserving safety.

When service brakes overheat, the battery pack shifts to extended voltage limits to absorb more regenerative energy and reduce brake temperature.

Voltage deviation patterns over multiple time periods reveal internal micro short circuits early, helping prevent hard shorts and battery damage.

When service brakes overheat, the controller temporarily extends battery voltage limits to absorb more regenerative energy and cool the brakes.

Voltage timing during relay switching separates true relay deterioration from temporary foreign-object anomalies in power supply circuits.

One control unit coordinates electric drive torque and friction braking to cut communication delay and improve slip and stability control.

Sequential supply-voltage checks before each contactor closes help prevent incomplete relay closure and enable fault diagnosis.

Magnetic wheels and rail conductor plates turn reluctance and levitation forces into traction and self-guidance with lower control complexity.

Excitation voltage is used to estimate high-voltage relay temperature and remaining life, enabling warnings and battery output limits before failure.

Concurrent battery sets are monitored for voltage, temperature, and communication faults, then switched to keep vehicle motor power continuous.

A detachable membrane carrier lets battery housing degassing units keep fluid-tight venting while simplifying membrane replacement and spec changes.

Segmented route characteristics and historical energy profiles improve EV battery range prediction and generate speed guidance to avoid charge depletion.

Distributed power-availability checks let each vehicle subsystem report binary status, speeding failure isolation and safer countermeasures.