Electrical Control TRIZ Cases

An engine start controller derives an integrated value from target driving force differences to prevent unnecessary startups.

A coordinated control method adjusts high-pressure and low-pressure exhaust gas recirculation flow rates to maintain target intake manifold dilution levels.

Superproportional voltage increases extend service life by preventing material damage during rapid heating.

Engine ECU disconnects the generator excitation loop during starting to reduce load.

Low-temperature pilot fuel reactions control heat release timing to stabilize constant-volume combustion, preventing knocking and improving efficiency.

A method calculates actual lengths of short intervals on a crankshaft toothed target using time traversal ratios.

A single-cylinder engine controller injects fuel in multiple cycles before crankshaft stop to maintain combustion chamber wetting.

A control device increments a warm-up determination parameter based on engine operation time to manage fuel pressure sensor diagnostics.

Electronic control units calculate fuel mass changes from filtered rail pressure data to manage injectors and pumps.

Reducing closing coil current before engine stop allows the armature to impact and randomize magnetic domains, minimizing restart current requirements.

A fuel control system uses an equivalence ratio delay module to set delayed base requests and determine closed loop corrections.

A combustion gas admixing device directs fuel flow perpendicularly into the intake manifold air stream to achieve homogeneous mixing ratios.

A control apparatus adjusts EGR gas and condensed water supply rates based on equivalence ratio to optimize in-cylinder density.

An ignition apparatus calculates spark plug energy input based on in-cylinder flow velocity and cylinder pressure to control discharge characteristics.

ECU offsets crank angle by 360 degrees to restart engine, resolving phase fixation errors that cause start failures despite normal sensor readings.

A crankshaft angle sampling method detects cylinder-specific air/fuel ratios by aligning exhaust gas probe signals with piston reference positions.

A single rail fuel injector uses a flow selection valve to direct pressurized fuel to either direct or port injection nozzles.

A control apparatus calculates theoretical intake air amounts to determine exhaust gas recirculation ratios.

An in-line dehydration reactor transforms primary methanol into liquid pilot fuel, eliminating secondary tanks and reducing in-gas detonation risks.

A fuel injector control unit monitors needle opening time delays to detect coking buildup in sprayholes.

A controller adjusts sub-feedback learning speed based on fluctuation states to suppress hunting.

Pivotable semi-cylindrical shells in a variable inlet device minimize flow restriction at high loads and prevent surge conditions at low engine speeds.

A trained functional model determines fuel injection quantity using relative pressure characteristics from a common-rail system.

Computing a decoupling transfer function separates coupled EGR and turbocharge control loops, eliminating dynamic process interference during acceleration.

A turbine air starter monitors rotational speed and inlet pressure to detect hydrostatic lock conditions during engine startup sequences.

Active fuel fraction shifting resolves PFDI calibration ambiguity by isolating injector errors, enabling reliable canister purging.

Switching internal combustion engines to lean operation during idling minimizes oil entry into the combustion chamber.

Multiple fuel pulses create a localized ignitable mixture near the spark plug, reducing combustion variability and improving fuel efficiency.

Real-time sensor feedback adjusts the purge valve duty cycle to prevent idle surge and throttle instability while maintaining stoichiometric air-fuel ratios.

A DPOV sensor measures differential pressure to detect exhaust gas recirculation cooler fouling.

A controller monitors OBD signals to request DEF decomposition tube regeneration before faults occur.

A catalyst control system manages fuel ejection to oxidize adsorbed hydrocarbons.

Computes sensor offsets using predetermined operating situations and signal filtering to eliminate interference pressures.

A multifuel engine control unit switches from gaseous to liquid fuel when common channel pressure exceeds defined thresholds.

A leak diagnosis unit calculates hole diameter using pressure changes from a pump and temperature readings from a detection unit.

Polygonal bolt coupling transmits high torque while preserving journal support surface area.

A fuel tank inner pressure sensor detects gage pressure to determine the flow control valve opening start position based on pressure variation.

A super-turbocharger system mixes compressed air with exhaust gases to drive a turbine using exothermic heat from a catalytic converter.

An intermediary positioning unit centers the contact bush inside the sleeve, preventing misalignment from external impacts that degrades detection accuracy.

Diagnostic device measures voltage differences between wired communication links to identify sensor faults in vehicle drive shafts.

Extending inter-injection periods reduces pressure calculation errors from Gaussian noise, ensuring consistent fuel delivery.

A controller calculates fuel injection delay using a weighted average of past and present engine cycles to adapt to cylinder deactivation patterns.

A control system monitors knock levels to adapt engine operation parameters.

An electromagnetically operated shut-off valve synchronizes with the engine cycle to control suction passage airflow.

An electrical control unit advances power supply start timing to maintain boosted voltage output for fuel injectors.

A starter motor controller opens an exhaust valve during the expansion stroke to add torque to the crankshaft.

A controller adjusts pump intake flow based on injector leak rates to maintain stable fuel rail pressure.

Control device limits waste gate actuator operation amount using position sensor feedback to maintain precise supercharging pressure.

Mixing cooled and uncooled EGR streams via a three-way valve stabilizes cylinder pressure variation by preventing natural gas self-ignition.