Electrical Control TRIZ Cases

Dynamic intake valve actuation maintains intake manifold vacuum during deceleration while protecting catalyst efficiency.

A control system manages spark timing and fuel-air equivalence ratio to mitigate stochastic pre-ignition in boosted engines.

A negative pressure sensor detects vacuum deviations during engine stop states to maintain brake assist reliability.

Advancing spark timing directs combustion heat to chamber surfaces, reducing particulate emissions and shortening catalytic heating time.

An emulator intercepts primary injector signals to enable precise alternative fuel control without OEM controller reprogramming.

Patsnap Eureka case shows how intake-exhaust valve overlap pumps oxygen through the exhaust to oxidize soot in a particulate filter.

Segmented injection timing controls peak pressure and nitrogen oxide emissions via compression self-ignition.

A fuel injection control device uses dual power supply units to drive a valve and monitor current changes for precise lift position detection.

A control system calculates valve-opening time periods using learned initial values to compensate for individual fuel injection valve characteristics.

Controller adjusts start of injection timing to maintain engine parameters within hardware limits.

A fuel injector control system applies a pulse width modulated signal with boosted voltage to manage actuator current profiles.

Dual pressure sensors track fuel supply states to distinguish filter defects from viscosity changes.

A vehicle fuel consumption estimation system assigns scores to operating parameters and groups vehicles by total score for average calculation.

A vehicle control system adjusts pedal reaction force based on calculated acceleration to align physical sensation with vehicle behavior.

A controller adjusts fuel injection timing and exhaust gas recirculation based on intake manifold conditions.

A fuel injector control method calculates a reference value using an L-terminal signal to adjust the requested fuel quantity.

A closed-loop control device detects generator frequency deviations to determine target engine speed via a universal control rule.

A control arrangement adjusts recirculated exhaust gas volume to manage engine thermal load.

A controller adjusts the back pressure valve control constant to a compensation value based on engine speed and fuel injection rate.

A control system manages engine speed and EGR cylinder states to reduce moisture accumulation in the intake manifold.

An adaptive dual-control system adjusts a feed-forward transfer function using primary feedback trends to reduce latency from non-measurable disturbances.

Internal combustion engines combust chemical warfare agents for energy while scrubbers neutralize acidic exhaust gases to prevent environmental harm.

Prioritizes exhaust gas recirculation admission based on reductant levels and catalyst temperature to manage intake airflow.

A segmented liquid flow apparatus uses parallel conduits and control valves to deliver precise fluid rates.

Oblique mixing passages in a fuel injector entrain combustion gases with fuel to reduce soot formation and eliminate particulate filter requirements.

A control device uses map functions to generate PID gains for engine intake systems.

Pre-calculated actuation delays eliminate real-time processing complexity during engine mode transitions.

Measuring solenoid valve armature closing time determines fuel viscosity, correcting injection quantity inaccuracy without additional sensors.

A hybrid vehicle clutch control system transmits rotational torque between an electric motor and drive wheels during engine stop operations.

A controller manages synchronous and asynchronous water injection timing to restrict fluid accumulation on intake port walls.

Controller modulates engine speed via exhaust gas temperature feedback to prevent turbocharger component creep and wear.

A control system delays integral correction value accumulation during cold startup to maintain precise air-fuel ratio feedback.

Variable lock determination times adapt to battery temperature and state of charge, preventing premature shutdown during engine start attempts.

Segmenting ignition fluid delivery into two consecutive power stroke injections resolves single-injection inefficiencies, improving air/gas mixture burning.

Controller deactivates fuel injection when temperature exceeds thresholds, preventing overheating in air-cooled engines with clogged cooling paths.

Switching from explicit to implicit Euler methods stabilizes boost pressure and air mass flow calculations, eliminating noise filtering needs.

Switches between actual and estimated NOx values when sensors drift due to low temperature or dew point, ensuring accurate reductant dosing.

Early exhaust valve closing creates negative valve overlap to raise in-cylinder temperature, reducing pumping loss while maintaining engine load control.

Adjusting poppet valve and fuel injection timings modifies engine background noise levels, improving signal-to-noise ratios for accurate knock detection.

A side-mounted ignition assembly connects to a piston engine combustion chamber via a cylinder wall cut-out passage.

Separate compression of fuel and charge air via a shared turbocharger enables precise lambda control without mechanical pump losses.

A controller manages divided fuel injection and spark ignition timing to initiate controlled flame propagation in a compression auto-ignition engine.

A subordinate pump drive section forces periodic operation of a secondary fuel pump to maintain functionality during low engine loads.

A fuel system uses reversible pumps and three flow circuits to redirect liquid during component failure.

A DPF regeneration method adjusts engine speed and uses multi-injection to raise exhaust gas temperature efficiently.

Increasing fuel to a pre-chamber igniter accelerates carbon canister purging, reducing evaporative emissions while maintaining stable combustion.

An intake air temperature controlling device supplies coolant to an intercooler during non-boosted engine states.

A gas feeding device detects soot deposits by monitoring rotational friction thresholds to trigger automated cleaning cycles.

A carburetor control system synchronizes a drive arm with the throttle lever to mechanically open the choke valve during cold operation.

A dual-actuator rail pressure control system regulates fuel flow using a low-pressure intake throttle and a high-pressure diversion valve.