Electric Devices TRIZ Cases

A controller gradually adjusts displayed state of charge to converge with estimated values.

Self-calibrating drive system prevents slip by dynamically updating pull-slip curves based on continuous torque and speed monitoring.

Vertical equipment nesting secures large cable curvature radii, eliminating battery capacity loss from horizontal recesses.

A single three-phase inverter supplies power to two independent loads using shared phase segments.

A power supply control circuit generates a common enable signal to activate multiple power supply circuits using a gate circuit and switch units.

Detection apparatus calculates power supply margins and voltage drops to maintain stability across transmission paths.

A vehicle battery contactor uses a sensor to detect mechanical actuation and triggers an electromagnetic control device to open contacts before manual interruption.

A vehicle electrical circuit uses a detector device to determine connection status between contact means and an external network.

A vehicle inverter uses a signal transformer to electrically isolate stages without bulky power supplies.

A discharge control apparatus adjusts gate voltage on switching elements to manage current flow during capacitor discharge.

Segmented batteries with a collision switch isolate the damaged front unit, preserving the central power source for critical loads.

A battery overcharge protection device uses a breaker to disconnect electrode tabs upon cell expansion.

A battery connection unit accumulates leakage current in a storage element to detect switch faults via voltage thresholds.

A control device manages fuel cell output voltage within specific limits during low load conditions.

A power line data transmitter schedules packet transmission during voltage zero-crossings to minimize corona interference.

Integrated battery pack frame uses aluminum alloy protective portions to absorb collision energy through controlled deformation.

Integrating fuses with the capacitor housing reduces powertrain complexity while maintaining safe, rapid discharge access.

Low-voltage signal generation emulates input voltages to overcome noisy automotive environments while reducing circuit area requirements.

Active current control redirects regenerative energy away from capacitors, reducing controller size and cost while preventing overcharging damage.

Shared resistor between FET pairs enables single-point voltage detection, resolving device size versus reliability trade-off in high-voltage systems.

Independent dual control devices detect voltage below a threshold to prevent electric shocks from undetected faults.

A control system adjusts energy storage device usage limits using travel distance and age data to optimize capacity.

An electrical power system replaces hydraulic lines with high and low voltage buses, reducing component complexity while maintaining reliable operation.

An intervening member supports central battery stack regions to increase resonance frequency and suppress vehicle vibration.

A processor disables system updates when an electric vehicle is in use to prevent operational hazards.

Combines shockwave and muzzle blast data from spaced acoustic sensors, applying genetic algorithms to refine range estimates despite weak long-distance signals.

A retrofit hardware unit measures residential energy consumption and transmits data via the Internet for remote monitoring.

A battery management system calculates state of charge using an equivalent constant current derived from weighted measured and lagged currents.

A power relay switches from a low-voltage battery to a high-voltage battery in an electric vehicle.

Independent electric motors enable precise trajectory control while emergency braking systems ensure operator safety.

Segmented battery blocks with dedicated DC/DC converters boost voltage while isolating faulty units to prevent system failure from cell degradation.

A power meter calculates conductor power factor to determine device operating state.

A controller adjusts fuel cell thresholds based on stack degradation state to manage operation.

A microcontroller calculates AC power parameters by averaging rectified voltage and current signals to extract fundamental values.

Segmented ribs and asymmetric geometry absorb impact energy to prevent floor bending in cab-over electric vehicles.

A protection device supplies power to external electronics through a connecting portion while monitoring internal conditions.

A relay controller manages power distribution to electronic controllers via multiple relays.

An electrical power extraction system segments generators across high and low pressure engine spools to supply variable frequency AC power.

Controller updates battery capacity estimates using current and voltage state of charge differences to resolve aging estimation errors.

An electro-pyrotechnic circuit breaker uses a movable severing element to interrupt high-voltage traction currents.

Comparing outputs from a high-resolution and a lower-resolution analog-to-digital converter detects measurement drift and circuit degradation in battery packs.

Closed bipolar plate channels lower thermal mass to accelerate cold start while maintaining cooling efficiency.

Overlapping outer wall and base insulation electrically isolates a clamped cell stack within a compact vehicle storage module.

A hydrogen pump bracket deforms under collision load to allow the pump to move away from the dash panel.

A transceiver detects battery voltage and controls a switch to cut off power independently of the microcontroller unit.

Time-domain frequency estimation detects inter-area low frequency oscillations to prevent cascading outages in power systems.

A control device adjusts translational speed based on tilting conditions to maintain vehicle balance and consistent motion.

Reorienting the motor axis vertically clears blocked air cooling paths and isolates torque forces, resolving thermal and vibration bottlenecks.

A power monitoring system estimates consumption during unstable appliance states using stable state measurements.

A dual board DC-to-DC converter system dynamically adjusts a set-point threshold to optimize power distribution.