Electrical Control TRIZ Cases

A control unit manages camshaft adjuster current flow by calculating mean values against temperature-based thresholds.

Bidirectional purge pumps pressurize fuel tanks to detect leaks via pressure gradients, eliminating separate diagnostic hardware.

A control device calculates fuel pressure decrease to correct injection quantity variation across cylinders during stationary engine operations.

A control unit estimates lost output signals using fuel injection data to maintain combustion stability.

A temperature-dependent multiplicative factor adjusts initial pressure sensor calibration to maintain measurement accuracy across varying engine operating conditions.

A flowmeter protrusion on the tip end surface separates intake air from the main fluid path, reducing measurement errors caused by horizontal vortices.

A variable flow rate high-pressure pump adjusts metering valve activation frequency to stabilize the fuel filling coefficient.

An environmental monitor interfaces with a vehicle controller to prevent engine ignition when carbon monoxide levels exceed safe limits in an enclosed garage.

A computer-controlled rapid heating strategy activates oxidation catalysts during engine start-up to maintain conversion efficiency.

An electrified exhaust gas turbocharger controls rotor speed through temporary generator operation.

A motorcycle traction control system calculates target slip values based on accelerator input to manage drive power source output.

Engine control device detects cylinder EGR variations and advances ignition timing for rich mixtures to restore combustion stability.

A valve mechanism routes fuel vapor from an adsorption device to the engine intake channel during operation.

Engine control units adjust operating parameters based on sensor feedback to optimize exhaust composition and prevent particulate filter overheating.

A control device compares theoretical and optimal ignition advances to detect exhaust gas recirculation valve position errors.

A fuel injector calibration method uses differential current profiles to pinpoint the exact opening time of the magnetic coil drive.

Cylinder pressure sensing enables closed-loop EGR control that stabilizes combustion phasing and reduces NOx emissions across varying engine conditions.

A control system adjusts hydrogen and oxygen injection ratios based on real-time engine load to optimize combustion efficiency.

Axial preload presses a piezoelectric sensor against the injector housing contact surface to transmit structure-borne noise signals.

A single throttle valve upstream of an electric supercharger adjusts intake air flow to optimize compressor pressure ratios.

Plausibility checks on trial injection start and end points resolve signal interference issues in common rail engines.

A control damper restricts oxidizer flow to maintain a combustion engine in a controlled spin-down mode.

A piston engine method monitors cylinder pressure to adjust pilot fuel injection timing and intake air pressure for precise combustion control.

An oil temperature rise control part increases fuel evaporation in engine oil to lower the mixture ratio.

A hybrid SPCCI engine control system coordinates spark ignition and self-ignition to optimize combustion timing.

Segmenting memory into virtual cells prevents data overwrite and reduces learning times while maintaining accuracy.

Segmenting equalization from irregular running corrections allows fault detection without compromising emission compliance or engine stability.

A vapor canister receives controlled boost pressure to force fuel vapor through purge lines into the engine induction system.

A real-time dosing system adjusts additive quantities based on current operating conditions.

A vehicle engine automatic stop control unit logs causes for prohibiting or initiating restarts to display reasons for drivers.

A work vehicle power system uses a controller to manage low carbon fuel blends via feedforward and feedback adjustments.

A monitoring device estimates remaining resource capacity in internal combustion engines using sensor data and computing units.

A controller adjusts vehicle position to diagnose passive fuel tank vent valve operation without additional sensors.

A passive pressure-limiting valve opens to discharge fuel when hydraulic circuit pressure exceeds a threshold, enabling control unit detection of sensor drift.

A control device determines fuel vapor retention filter loading by measuring differential pressure across a scavenge air pump.

Retarding ignition timing during rapid load increases expands the excess air ratio margin to suppress knocking while maintaining combustion efficiency.

An exhaust pressure modulation valve restricts flow to increase backpressure and accelerate engine warm-up.

A parallel turbocharger exhaust recirculation system uses compressed air prerotation to maintain turbine speed.

A controller adjusts gaseous fuel injector on-time and activation signal magnitude based on real-time mass flow measurements.

Lookup tables adjust camshaft phase to reduce valve overlap during high humidity, maintaining combustion stability and engine performance.

Comparing coil voltage time development against a reference signal determines the precise closing instant for accurate small-quantity fuel injection control.

A DC-DC converter output capacitor arrangement combines electrolytic and ceramic components to manage energy feedback during switching cycles.

A vehicle driving torque control apparatus manages acceleration response by setting distinct low and high torque side limitation variation rates.

A solenoid valve determines fuel pressure by measuring magnetic flux magnitude generated during coil current flow.

A vehicle electronic control unit adjusts auxiliary braking force based on accelerator pedal position to manage deceleration transitions.

Dedicated valves reintroduce cooled exhaust gas directly into cylinders to reduce nitrous oxide emissions without causing combustion delay.

Iterative correction of the valve flowrate model uses richness sensor deviation to improve canister load estimation without adding sensors.

Radial flow paths sandwich bearings to prevent axial expansion, resolving the contradiction between bearing heat resistance and throttle body length.