Electrical Control TRIZ Cases

Decomposing peroxide compounds into radicals stabilizes ignition under high exhaust gas recirculation and lean air-fuel mixtures.

A control system for turbocharged natural gas engines uses an air/fuel throttle valve and a waste gate controller to manage combustion.

Mathematical modeling estimates internal filter temperatures from external sensors to prevent thermal damage during regeneration.

A booster device adjusts switching frequency to increase capacitor charging speed for injector drivers.

A linear actuator control method uses acoustic sensors to detect piston impact noise and adjusts current waveforms for precise positioning.

Valve-controlled bypass routes exhaust through a treatment module or secondary path to minimize fouling and maintain heat transfer efficiency.

Controller estimates fresh intake air flow using exhaust valve position and manifold pressure to resolve measurement inaccuracy without additional sensors.

Segmentation separates the sensor from the control unit while an intermediary connection element maintains sealed electrical pathways between housings.

Dynamic fuel injection reserves oxygen for DPD regeneration in thin air, preventing turbine damage and ensuring smooth mode transitions.

An estimation unit calculates intake air volume increases during vehicle acceleration to adjust fuel injection timing within the combustion cycle.

A closed gas recycling loop with a blower and heater circulates exhaust gas to preheat SCR components, reducing the time to reach minimum operating temperature.

A fuel system controller commands the fuel pump based on temperature and pressure sensors to prime the line.

Alternating direct and port fuel injection stabilizes engine rotation by ensuring proper atomization before switching to full cylinder operation.

Adaptive knock control adjusts spark timing per cylinder and enriches fuel on the affected engine bank to manage thermal loads.

A turbocharger system uses a heated gas pulse to spin up the turbine.

A diesel particulate filter method calculates corrected differential pressure using a dynamic ash load correction factor.

A control system commands an electric turbocharger to rotate in reverse, blocking exhaust flow through the turbine.

Post-injection and turbocharger compression raise exhaust temperatures quickly, bypassing the trade-off between light-off speed and fuel consumption.

Transferring fuel from deactivated to active cylinders reduces soot formation and pumping losses while maintaining combustion stability.

Retarded ignition timing creates distinct sporty sound profiles to offset reduced acoustic perceptibility from smooth hydraulic torque transitions.

A fuel shortage detector monitors engine speed and throttle position to trigger an automatic stop via the ECU.

Limiting fuel split ratio change rates during co-fueling transitions reduces torque losses and abnormal combustion events in multi-fuel engines.

Adjusting the high pressure fuel pump cam phase synchronizes valve openings with injector timing, reducing distinct noise peaks at low engine speeds.

A dual path evaporative emissions system uses a second compressor to draw moisture from check valves and reduce stiction.

Overbased metal salicylate and phenate detergents reduce abnormal pre-ignition events in hydrogen fueled internal combustion engines.

A fuel injection control unit balances pre and post injection peaks to reduce combustion noise in diesel engines.

A simulation system generates an environmental sustainability index for product designs.

Dynamic speed thresholds adjust automatic engine stopping based on brake pedal release history, reducing occupant disturbance from repeated cycling.

A dual-loop engine speed control device corrects PID gains using cooling water and lubricating oil temperatures to stabilize fuel injection pump operation.

A vehicle control device executes coast stop control when variator speed ratio and lock-up clutch conditions are met.

Cooling wind guide opening introduces traveling air to electrically-operated actuators in V-shaped engine spaces.

Segmenting data collection from parameter updates prevents corrupted adaptation values caused by shared physical input variables during fuel tank ventilation.

A gas engine knocking control system adjusts ignition timing using a calculated occurrence ratio delay value to stabilize operation.

A control module sets a predetermined minimum EGR valve opening to maintain exhaust gas recirculation during steady-state engine operation.

An engine control device adjusts in-cylinder temperature and EGR rate based on fuel properties.

A control device determines actual maximum oxygen storage capacity of a catalytic converter reservoir to enable precise fill level regulation.

Multi-sensor diagnostic logic verifies additive quality and supply limits before restricting combustion work in exhaust aftertreatment systems.

A controller calculates combustion gas backflow into direct injection valves using in-cylinder and supply fuel pressure data.

Controller cycles air shutoff valves based on elapsed time to remove carbon deposits and ensure safe engine shutdown.

A notch filter extracts engine speed frequency components to detect cylinder air-fuel imbalances.

Post-top dead center liquid fuel injection stabilizes engine load and prevents unburned gas emissions during gas-to-liquid mode transitions.

Multi-speed generator set adjusts engine speed via electronic controller to optimize fuel consumption during transport refrigeration operation.

Blends torque response filters during terrain mode shifts to eliminate abrupt engine behavior and improve driver comfort.

Variable fuel injection enables precise anomaly detection by comparing parameter values, resolving uncertainty about failing components in engine diagnostics.

Dynamic fuel rail pressure adjustment prevents cold-start fuel impingement on piston walls, reducing particulate emissions from incomplete combustion.

A pneumatic adaptation unit actuates a bypass valve using exhaust pressure changes to control dual turbochargers.

An EVAP system uses a purge pump and hydrocarbon sensor to deliver controlled fuel vapor during cold starts, resolving insufficient engine vacuum.