Electrical Control TRIZ Cases

A diagnostic system acquires current ignition angle data and converts it into a torque model to assess catalytic converter heating measures.

External support device loads calibration data into microcontroller unit memory during startup, avoiding heating effects that invalidate cold-start accuracy.

A knock sensor diagnostic system applies a bias voltage to detect short circuits and generates a test signal to identify open faults in the engine control circuit.

Adjusting engine air-fuel ratio via post catalyst oxygen sensor signals using separate duty cycle and frequency compensation terms.

Adaptive dew-point detection prevents thermal shock damage during regeneration by adjusting heating thresholds based on real-time sensor temperature feedback.

Passive signal filters between injector lines and evaluation units suppress noise interference from mechanical delays while maintaining detection reliability.

Adjusts turbocharger expansion ratio limits to prevent component degradation during engine operation.

EGR power module circuit maintains steady current flow to wire harnesses, reducing turbo hesitations and improving fuel economy.

Merging air flow control into one throttle reduces unburned hydrocarbon emissions while lowering device complexity and weight.

A valve control device generates a test drive signal to assess the wastegate valve drive mechanism for abnormalities using a degree-of-opening signal.

Stoichiometric combustion control with a three-way catalytic converter reduces NOx emissions and simplifies exhaust treatment complexity.

Multi-stage fuel injection enables simultaneous homogeneous and diffusion compression ignition, expanding operational range without knocks.

An intermediary controller adjusts fuel injection pulse duration based on real-time ethanol content detection.

A saddle-riding vehicle uses an engine output inhibition section to moderate throttle valve opening changes during high-speed operation.

A control device calculates cam phase by switching detection ranges when signals exceed reference positions.

A camless engine design uses electronic control to manage fuel, air, and ignition timing.

Electronic fuel injection control unit calculates preheating power to maintain target fuel temperature before engine startup.

A control device predicts intense engine knock by monitoring cylinder inner pressure during the initial combustion stage.

Idling stop inhibition controller regulates engine shutdown based on detected road surface gradient to maintain vehicle stability.

A processor generates injection and pump commands to maintain constant common rail pressure during sequential test cycles for evaluating fuel injector performance.

Segmenting diesel and ethanol fuel systems resolves the contradiction between low cetane ignition reliability and emission reduction in heavy work vehicles.

Three-stage fuel injection timing improves air-fuel mixture homogeneity, reducing soot generation during cold engine operation.

Segmenting dynamic and injection amount corrections prevents overcorrection errors, ensuring timely convergence of fuel injection accuracy.

A controller adjusts ignition timing and fuel rate using cylinder pressure signals to optimize D-EGR engine performance.

A turbine-compressor assembly switches operating modes via plural valves to direct fluid movement and adjust power flow on a shared shaft.

Modulates fuel vapor canister vent restriction to control fuel tank depressurization, preventing evaporative emissions when the engine is off.

Real-time spark timing adjustments based on charge air cooler condensate levels reduce knock and misfire events during purging cycles.

ECU stops fuel feedback and applies constant lambda value when purge learning is incomplete, preventing lean peaks that cause RPM decrease.

Engine controller adjusts accelerator limits by brake pedal timing to prevent unintended acceleration while preserving driver response.

A fuel injection strategy adjusts timing and air-fuel ratios to prevent spark plug fouling in newly manufactured vehicles.

A controller adjusts turbocharger boost pressure to raise connecting part temperature and prevent ice block formation in blowby gas passages.

Optimizer segments discrete and continuous control variables to reduce computational complexity on engine control units.

A pressure gauge measures atmospheric conditions to adjust exhaust gas detector readings via a correction unit.

Engine torque control modules adjust fuel injection and spark timing based on axle torque requests, resolving drivability issues during transmission shifts.

Water electrolysis generates hydrogen and oxygen gases for engine intake combustion, achieving rapid catalyst light-off without increasing exhaust backpressure.

A vehicle temperature regulation system uses power semiconductor switches fired in a DC sequence to generate heat for drive components.

An auto idle assembly shifts engine throttle position based on brake sensor inputs.

An injection control device calculates energization time correction amounts via area correction of the valve current.

A firing control module adds random offsets to a running total to vary engine cylinder firing intervals.

A fuel pump calibration method detects the rotational speed inflection point to characterize component tolerance and wear state.

A fuel vapor storage canister uses barometric pressure changes during vehicle descent to passively purge vapors without engine vacuum.

Segmented diagnosis stages using pressure control valve positioning distinguish external leaks from internal system failures to prevent false alarms.

Direct force coupling eliminates idle travel in piezo servo injectors, ensuring accurate fuel metering across varying operating pressures.

A controller prepares a vehicle energy receiving apparatus for replenishment only after operator confirmation of intent to refuel.

Pulse width modulated signals control the canister purge valve to prevent vapor lock and maintain pressure stability for lift and high-pressure pumps.

Onboard near-infrared sensors analyze fuel molecular structure to adjust engine parameters in real time.

Monitoring in-cylinder pressure parameters enables injection timing control, reducing engine startup delays and emissions from unburned fuel.

An electronic control device adjusts precharge current based on power supply voltage to stabilize injector valve opening time.

Retarding subspark ignition under high exhaust gas recirculation improves subchamber combustion reliability and fuel efficiency.

Engine speed sensor signals evaluate acceleration signatures to detect misfires without extra hardware.