Electrical Control TRIZ Cases

A control device estimates valve-opening profiles from detected closing data to manage fuel injection signals.

A solenoid drive precharges a fuel injector armature into mechanical contact with the nozzle needle to establish consistent starting conditions.

An engine control device modifies pre-injection timing based on intake oxygen concentration to maintain optimal peak intervals that cancel out combustion noise.

Distributing engine load across a vehicle fleet enables efficient regeneration of particulate filters and EGR coolers while maintaining consistent travel speed.

Electronic controller compares operating conditions with thresholds to adjust engine speed ranges, improving earthworking precision without stalling.

A cylinder control module sets a predetermined firing fraction to stabilize oxygen sensor signals during engine operation.

System control calculates device interface load from attachment configuration to evaluate work machine settings.

An iterative control algorithm determines target intake manifold pressure using cylinder filling data for precise engine management.

A fuel injector control system selects between transient and steady-state pressure-based balancing models based on solenoid coil resistance measurements.

A vehicle control unit adjusts target engine speed to maintain efficient operation during automatic acceleration.

Periodic enrichment releases trapped nitrogen oxides while lean operation preserves fuel, resolving the trade-off between purification rates and consumption.

Pre-diagnosis filters air flow meter faults via threshold checks, reducing intrusive main diagnostics that increase fuel consumption and pollutant emissions.

A prechamber gas engine fuel supply system adjusts line pressure via a control valve to maintain consistent fuel delivery.

A fuel injection system uses a pressure control valve and electronic control unit to dynamically adjust fuel line pressure for precise engine operation.

A control unit switches characteristic data sets to manage purge flow rate across dual intake paths in forced induction engines.

A hydrocarbon sensor measures purge, refueling, and breakthrough vapors routed by a three-way valve to estimate canister load without engine operation.

Multiple compression stroke injections position fuel near the spark plug, preventing wall deposition and uncontrolled clouds during cold starts.

Calculates oxygen storage capacity during engine fuel-cut mode to detect catalyst deterioration without air-fuel ratio modulation.

A controller determines engine knock background noise levels during cylinder deactivation cycles to improve processor utilization.

A fuel vaporization system heats charge air or secondary liquid fuel upstream of injection to enhance vaporization.

A switchable compressor builds intake manifold pressure to enable torque-neutral cylinder deactivation in internal combustion engines.

A catalyst abnormality diagnosis apparatus measures oxygen storage capacity by switching air-fuel ratio control before sensor output inversion.

Hierarchical electronic control unit bypasses physical quantity mediation to reduce arithmetic operation loads during urgent fail-safe operations.

An ignition device outputs ion current signals through a shared signal line using time-division control.

A calculation system determines oil dilution rate using blowby gas flow ratio and air-fuel sensor output current during fuel cut control.

A valve control module adjusts intake lift modes based on engine temperature to optimize fuel vaporization.

Dual-slope sensor segmentation manages early opening flow to prevent abrupt increases.

Adjustable vanes conserve boost pressure during tip-out conditions to minimize lag and emissions during subsequent acceleration.

Preheating the SCR catalyst via an onboard burner reduces NOx emissions at startup while periodic operation extends burner lifespan.

Control method calculates reduced speed limits based on intake air temperature to prevent sonic block conditions in the compressor.

Controller detects engine rotation speed variation cycle period to cancel limitation mode during idling transition.

An automatic transmission adjusts idle stop permissions using a gradient threshold value set by detected oil temperature.

A desulfurization control unit gradually reduces intake air via a transitional target map, preventing sudden torque loss during NOx purification.

A common line section links the power and sensor circuits to a reference potential in an ignition module.

A stop coordinator automatically selects optimal shutdown behavior based on vehicle conditions.

An electrically controlled multi-position gas shut-off valve adjusts fuel flow rates to resolve engine startup flooding issues.

A valve assembly directs exhaust gas flow between high-pressure and low-pressure turbines, reducing shaft power consumption for exhaust gas recirculation.

Pilot fuel injection creates intermediate combustion products that suppress uncontrolled auto-ignition and reduce NOx emissions during dynamic engine operation.

A computer model determines operating states to adjust engine speed and load distribution across multiple generator units.

A method adjusts air-fuel mixture richness to protect exhaust components from excessive temperatures during high-load engine operation.

A vehicle control system monitors current speed against navigation limits to enforce safe driving parameters.

A power controller maintains a constant voltage difference to suppress generator output and stabilize engine idle speed.

High-pressure direct hydrogen injection achieves compression ignition, reducing emissions while maintaining engine power output.

An engine control system detects excessive exhaust temperatures and interrupts fuel delivery to eliminate fire hazards in hazardous environments.

A vehicle controller estimates cooling time to ambient temperature before waking from sleep mode.

A lean-side air-fuel ratio control system uses a learned value derived from O2 sensor feedback to adjust fuel injection amounts.

A control device adjusts injection ratios between dual injectors to isolate faults using exhaust gas sensor feedback.

A fuel constituent sensor detects sulfur levels to adjust engine operations via an electronic control device.

Injecting oxygen-rich intake gases downstream of a three-way catalyst oxidizes soot without disrupting NOx conversion efficiency.

A common rail pressure sensor measures fuel decay to identify leaks.