Electrical Control TRIZ Cases

A control device adjusts excessive torque determination criteria based on vehicle speed to suppress unnecessary fail-safe interventions.

Dynamic reserve torque control stabilizes engine RPM during canister idle purge, resolving the trade-off between combustion reliability and fuel efficiency.

A flow model calculates the equivalent outflow area of an EGR valve to determine recirculated gas rates.

A multi-cylinder engine system manages lean burn mode transitions by adjusting airflow and fuel injection timing across separate cylinder groups.

Current integration through an H-bridge eliminates mechanical wear and reduces ECU connection pins for reliable turbocharger control.

A temperature control unit manages intake air temperature based on compression ratio to enable stable lean combustion.

Independent valve actuation balances combustion across cylinders, resolving efficiency losses from traditional camshaft limitations.

A control device sets engine output torque based on detected atmospheric pressure to prevent fuel waste.

A vehicle drive control device limits input torque to an automatic shifting portion before inertia phase initiation during downshifts.

PID control adjusts actuator current to match closing force with exhaust pressure, preventing excessive wear while maintaining seal tightness.

Tapered stacked metal edges eliminate minute gaps that trap corrosive gases, suppressing galvanic corrosion and adhesion loss in harsh environments.

An integrated control circuit uses rewritable memory to store configuration data for an electric rotary machine.

A tire driving optimization system adjusts engine output based on energy consumption values from left and right tires to minimize slip.

A transport refrigeration system regulates exhaust temperature for diesel particulate filter regeneration by adjusting an air control valve area.

Fuel injection into exhaust guides heats gases for downstream Selective Catalytic Reduction catalysts.

Concave corner geometry in the porous protective layer reduces thermal stress concentration, preventing peeling during repeated water exposure.

Periodic pumping cycles improve efficiency and reduce noise by aligning delivery with injector demand.

A motor control device switches between economy and power modes to adjust travel driving force.

A mild hybrid starter generator coordinates with a mechanical starter to initiate engine rotation.

An engine control unit adjusts fuel injection duration to maintain target air-fuel ratios during transient load changes.

A canister purge control method uses an intake pressure sensor to determine target purge flow rate and manage the active purge pump.

A supercharged engine throttle control device smooths opening signals via a low-pass filter, preventing hunting when upstream and downstream pressures equalize.

A supercharger air bypass valve control unit maintains a closed state during torque reduction to manage airflow dynamics.

A vehicle management computer regulates engine speed acceleration using a programmed map linked to vehicle speed and load conditions.

A dual-fuel engine controller manages diesel pilot injection timing to ensure reliable ignition during cold start conditions.

A quasi-resonant DC-DC converter transistor switches using a timer-controlled reduction in gate control current intensity.

Engine control device segments torque determination layers to increase front wheel load during steering while maintaining distance control.

MHSG wheel teeth allow engine restart when camshaft sensors fail.

A control apparatus adjusts the phase of a non-locked cam shaft to maintain optimal valve timing in double-shaft variable valve mechanisms.

A control system calculates the coefficient of variation to correct smoothed intake air flow rate data.

A feed forward technique calculates compensation for closed loop static error in injection pressure control systems.

An electric supercharger control system switches between motor-driven compression and exhaust-driven generation modes.

A fuel drift estimation system aligns actual cylinder fueling with expected commands through real-time exhaust oxygen measurements.

A dual-port fuel injection system adjusts valve ratios to prevent flash boiling.

A blowby gas treatment device uses a shutoff valve to isolate the crank case for pressure monitoring.

Partial cylinder operation prevents gear noise and wear by keeping engine speed within clutch engagement limits during vehicle startup.

Amperometric sensors measure upstream and downstream concentrations to evaluate pollutant conversion efficiency without complex direct measurement systems.

A controller manages engine torque during supercharged shift-up using ignition timing retardation and regenerative energy recovery.

A single actuator adjusts guide vanes and coolant valves within a turbocharger system.

An active blowdown pump reduces compressor pressure below 500 psi during idle periods, eliminating methane leakage through imperfect valve seals.

A pressure control valve detects its own opening state by analyzing frequency shifts in the drive signal.

A control system parallelizes engine learning with verification processes to inhibit stop.

Segment time measurement and knock signal detection differentiate premature ignition from knocking combustion, enabling targeted fuel adjustments.

An engine controller adjusts ignition timing based on elapsed time since start detection to maintain delayed control during vehicle acceleration.

Membrane module separates gaseous hydrocarbons from inert air components to capture residual vapors during intermittent engine operation.

A self-diagnosing method for SCR systems controls engine output states to register sensor signals and evaluate measurement performance.

A control device feeds air to an HC adsorption catalyst during specific temperature ranges.

An engine control unit switches fuel injection calculation from intake air volume to intake passage pressure upon restart.

A segmented discharge circuit prevents spurious sparks and thermal damage by rapidly clamping then slowly reducing ignition winding voltage.