Electrical Control TRIZ Cases

Controller delays EGR valve cleaning after shutdown to cool deposits, preventing reformation and improving removal efficiency.

A compression ignition engine adjusts fuel injection amounts dynamically to stabilize rotational speed during the cranking phase.

Accumulating soot sensor data via a counter resolves unreliable real-road efficiency determination caused by alternating loading and regeneration phases.

Direct fuel injectors supply fuel during the compression stroke to initiate combustion with closed intake valves, reducing cylinder reactivation delay.

A closed-loop speed control system uses total fuel energy as the correcting variable to manage internal combustion engine operation.

A control unit calculates required injection amounts from rotation speeds at different timings to monitor its own calculation function.

A fuel metering valve control method defines actuation signals using independently determined efficiency and resistance parameters.

Curve fitting condenses on-board diagnostic data into transferable parameters, enabling accurate off-board reconstruction without excessive storage.

Dynamic adjustment of the electronic throttle control cycle minimizes rotational speed fluctuations during load changes, improving power generation efficiency.

Intermittent pump operation reduces electrical load and wear, preventing hard starting issues in marine propulsion systems.

Pump performance model calculates target fuel injection rate to distinguish normal lubrication leakage from abnormal piston bore wear.

A vibration prediction module estimates vehicle modal response to optimize engine firing sequence during cylinder deactivation.

Opening the bypass valve reduces turbocharger noise by diverting exhaust gas, while dynamic control minimizes lag during acceleration.

A control unit adjusts engine segment positions to ensure setpoint values are ready before application.

An electronic control module uses shared high side driver circuits and paired low side drivers to manage combustion elements.

A malfunction diagnosis device monitors pressure sensor output, pump current, and air-fuel ratio to detect internal faults in evaporative fuel treatment systems.

A control system adjusts late fuel injection quantity based on exhaust gas volumetric flowrate to manage particulate filter inlet temperature.

A control unit coordinates port injection volume with valve overlap timing to optimize engine charging efficiency.

Optical isolation relay grounds ignition coil when processor fails, preventing uncontrolled lawn mower operation.

A powertrain control method adjusts turbocharger exhaust flow to stabilize intake pressure during gear shifts.

A MAP-MAF strategy estimates exhaust gas recirculation flow using manifold pressure and mass airflow sensor data.

Segmented exhaust pathways with dynamic flow control maintain catalyst temperatures while preserving boost pressure during cold starts.

A controller algorithm adjusts engine idle speed based on motor generator unit electrical load and temperature to maintain stable vehicle operation.

A sensorless motor control device performs phase detection and initial alignment before receiving an activation signal.

A cam plate mechanism with radial springs absorbs torsional vibrations and transmits torque, enabling lower engine speed clutch lockup.

Segmenting the fuel system isolates port injectors from direct injection pumps, enabling accurate variability mapping without disrupting engine operation.

A vehicle controller updates a crank counter using pulse signal width and applies threshold values to correct the count.

A dedicated conduit and valve mechanism directs compressed air between combustion chambers to optimize fluid flow.

A two-stage turbocharging system adjusts bypass valves to balance exhaust energy distribution across varying altitudes.

A fuel injector control method adjusts valve needle opening time based on individual spring preload force measurements.

A control system adjusts gas engine power output based on source pressure to maintain fuel injection.

A cycle efficiency management module adjusts engine speed and gear shifts to reduce exhaust particulate matter generation.

Computing device adjusts engine torque limits based on hydraulic power requirements to resolve drivetrain protection versus performance trade-offs.

Heating and cooling cycles modify sensor substrate resistance to detect particulate matter accumulation states.

A control device calculates intake air amount using upstream pressure and temperature sensors to determine air mass changes.

Lean-rich cycling regenerates a particulate filter without extra hardware, preventing backpressure buildup that degrades engine efficiency.

A control device inhibits fuel reforming operations in a reformation cylinder when gas temperature falls below a threshold.

Segmenting the catalyst into discrete portions allows precise ammonia storage control, preventing slip while reducing NOx emissions.

In-cylinder pressure sensors detect fuel properties during engine motoring to prevent misfire and combustion noise when non-standard fuel is supplied.

A crank sensor and controller detect engine reversal during coast-down to estimate the stopped engine crank angle accurately.

A knocking detection apparatus estimates a background level based on the engine operating state to calculate a determination index.

Divided fuel injection cools cylinder gas in spark-ignition direct injection engines, suppressing knocking at low speed and high load while maintaining torque.

An internal combustion engine controller normalizes intake and charging pressures to calculate pumping loss estimates using existing sensor data.

Electrically heating the lambda probe before engine startup enables precise air-fuel ratio measurement from the first combustion cycle.

A pre-overheat system alerts operators via lights, sounds, and vibrations when engine temperatures rise above steady-state levels.

Advancing exhaust valve timing retains residual gases to stabilize combustion at low loads, preventing misfiring cycles caused by lean air-fuel ratios.

A battery-less fuel injection system uses an ECU to suspend injector operation until a pressure sensor confirms sufficient fuel pressure.

A control device adjusts rich degree to update learning values in internal combustion engines.

Reducing combustion air charge before engine startup minimizes resonance excitations in the dual-mass flywheel, extending service life.

A method determines cylinder blow-through air via volumetric efficiency to adjust engine actuators for precise emissions management.