Electric Devices TRIZ Cases

Line-wise power balance equations cut computation time and directly reveal transmission lines most susceptible to voltage collapse.

Heat-triggered gas pressure opens a battery case inflow plug, enabling early fire suppressant delivery into high-voltage packs.

Voltage modulation, dV/dt, and temperature rise are combined to detect cell shorts early and trigger battery pack warnings and mitigation.

Predicting fuel cell output loss from vehicle use history helps schedule replacement before rated output falls below a threshold.

A closed-loop low-frequency pulse circuit monitors battery insulation during vehicle dormancy without BMS control and triggers leakage alarms.

Tracking effective catalyst loss over time lets the controller separate irreversible fuel cell stack degradation from reversible changes and adjust operation.

Battery health-based discharge limits help vehicles supply grid power without accelerating deterioration or reducing battery lifespan.

A bypass cooling element in the battery degassing path cools runaway gas before release, helping prevent ignition with minimal added weight.

Voltage-current feedback and impedance sensing indicate power factor and enable automatic capacitive or inductive compensation for subsea AC lines.

Integrated isolators and bracketed mounting help heavy-duty EV battery housings resist chassis vibration, shock, and moisture exposure.

Diode-isolated parallel batteries and a cross-tie bus contain fault propagation while preserving charging redundancy in electric aircraft power systems.

When rotor angle sensor correction is missing, PWM inverter control enables in-motion correction and reduces torque-switching vibration.

A Zener-clamped protection circuit and fault detection logic isolate vehicle loads when short circuits or voltage spikes threaten low-voltage electronics.

Adaptive LMS torque filtering updates wheel speed control in real time to recover railway axle adhesion and reduce set point oscillation.

Usage-profile simulation predicts battery ageing across device types, helping match users to devices with fairer residual value and maintenance planning.

Guided modular supports let railway switchgear modules slide apart for quick circuit breaker servicing and semi-automatic reconnection.

Version checks across parallel battery packs detect BMS software mismatches, notify the host, and block unsafe vehicle operation.

Selective rear cameras image the platform and track behind a departing train, enabling rapid abnormality alerts to crews and following trains.

A tilted strainer links the oil sump to a transverse pump, simplifying the suction path, saving space, and stabilizing oil flow.

Real-time distance control coordinates two pantographs through neutral sections to prevent interphase short circuits in short-broke EMU trains.

Short- and long-term cell voltage averages reveal abnormal deviations despite temperature and SOH variation, improving fault timing detection.

A high-voltage accumulator on the rail vehicle DC intermediate circuit cuts discharge losses and keeps HVAC, kitchen, and safety loads running during supply gaps.

A thermal model estimates battery contactor temperature from resistance and nearby thermal resistivity, then limits motor power to prevent overheating.

Differential pressure between battery coolant inlet and outlet is compared with an estimated value to detect leaks even when radiator flow is limited.

Stacked parallel wires carrying reverse currents cut parasitic inductance, suppress surge voltage, and preserve thermal insulation.

A dual-branch vehicle electrical layout uses controlled branch isolation and overcurrent protection to keep safety-critical loads powered during faults.

By comparing predicted road-focused gaze with measured eye direction, this case improves driver alertness assessment and triggers warnings or vehicle control.

Selective shedding of low-priority vehicle loads limits converter heat and voltage drops, helping critical systems stay powered.

Local sample time stamps and transmitted offset values let wireless self-powered sensors calculate power factor accurately without receive-mode sync.

A side-sill protrusion, gaps, and a deformable protective body disperse crash loads to shield the battery pack with less added weight.

By lowering battery pack SOC below a standard level during non-use, this case shows how storage control suppresses lithium-ion capacity degradation.

A DC-DC-linked backup power path keeps vehicle control and actuator loads running without delay when the main power source fails.

Precharged backup power and DC-DC control keep steering and braking loads energized without delay when the main vehicle power source fails.

Integrating the connector, current interrupter, and switch cuts battery box space while preserving overcurrent cutoff and charge-discharge protection.

Overcurrent-triggered SOC limit reset helps lithium titanate solid-state batteries suppress heat generation and avoid repeated overcharge.

Water droplet detection keeps the vehicle charging lid locked during washing, preventing charging port water ingress and electric leakage.

Rear-side battery frames and side sills disperse rear impact loads while freeing more rearward battery installation space.

A pivoting cross member extends beyond the side frames to route offset impact loads into the frame axis for better front-end energy absorption.

Protruded members redirect outer-side offset collision loads into the side frames, improving front-end energy absorption in EV body structures.

Pre-closing relay coil voltage checks separate heater faults and driver failures from inverter EMI, improving diagnosis accuracy.

Dual pack monitor units compare battery data to detect faults, isolate failed packs, and maintain continuous electric aircraft power.

Vertical acceleration sensing flags impact events that may damage a vehicle battery, enabling early shutdown or braking before delayed faults or fires.

By shifting rear impact loads through a rear-side cross member and side sills, this layout extends battery space without weakening crash absorption.

Fleet data updates injector duty-cycle baselines to detect hydrogen leakage, trigger nitrogen purging, and preserve fuel cell vehicle range.

Closed-loop gas circulation inside a battery housing detects leakage, corrosion, hot spots, and coolant intrusion before failure.

A single ADC switches reference voltages by signal threshold to measure low and high PDU outlet currents without extra conditioning circuitry.