Electrical Control TRIZ Cases

A monitor unit calculates estimated torque using alternative data when temperature sensor faults occur.

An ignition control unit manages coil energization to release superposed electric energy for fuel ignition.

A fueling profile interface module modifies drive signals during injection events to optimize fuel delivery.

Dual sliding windows estimate future emissions to adjust combustion parameters, maintaining compliance during sudden accelerations.

IFB ECU isolates battery power to stop the fuel pump when the LPG switch turns off.

A turbocharger integrates a single actuator and valve unit to control exhaust and bypass passages.

Diesel cylinder deactivation modes select effective frequencies to avoid vehicle resonant frequencies and torsional vibration limits.

A control apparatus selects distinct ignition timing maps based on exhaust gas recirculation valve status to adjust retardation amounts.

A booster circuit monitors boost voltage changes during capacitor charge and discharge cycles to diagnose component health.

An independent second hydraulic system provides precise valve control by isolating actuation pressure from fluctuating engine oil temperature and speed.

A sensor method calculates time interval ratios between equidistant teeth to identify angular position.

A control device manages exhaust gas recirculation and air-fuel ratio during operation mode transitions.

A Gaussian process model calculates soot offset values to correct air-fuel ratios, addressing delayed turbocharger airflow response during transient cycles.

A control system infers fuel tank refill events by monitoring pressure change rates to update estimated gas composition data.

Dual independent modules monitor vehicle drive unit errors concurrently to ensure consistent shutdown actions and reliable system recovery.

A diagnostic method monitors gas entry parameters and injects ammonia upstream of a diesel particulate filter to detect operational efficiency.

Activation timing control prevents unstable combustion and HC emission spikes when reducing air flow for purifier heating.

Engine control system adjusts fuel injection timing and EGR valve positions based on real-time sensor data.

Frequency domain analysis of rotation speed signals identifies specific cylinders causing torque imbalances in multi-cylinder engines.

An engine self-adaptive system adjusts throttle settings using real-time data to optimize fuel injection timing.

Applying counter torque to the turbocharger turbine recirculates exhaust gas, raising temperature to shorten catalyst warm-up time.

A control method divides engine operation states into distinct regions to manage fuel pressure settings during forced regeneration.

A control device stabilizes fuel injection valve behavior by detecting high voltage and drive current variations.

An engine controller coordinates firing fraction transitions with transmission shifts using skip fire protocols to manage cylinder output levels.

Repositioning the pressure regulating valve to the return line elevates housing pressure, preventing cavitation while increasing bearing thermal capacity.

Adjusting spark timing by actual cylinder events resolves unpredictable crankshaft angle issues and reduces emissions during engine stop requests.

Adjustable P and I regulator amplification factors prevent fuel-air mixture overshooting during rapid system deviation corrections.

Controller estimates manifold absolute pressure via firing frequency and airflow data, eliminating time delay in skip fire mode.

An engine control module calculates indicated mean effective pressure using kinetic energy values at specific crankshaft positions.

Secondary fuel injection during negative valve overlap creates reactive species to reduce ignition delay in diesel engines.

Adaptive closed-loop control varies heater power to constrain temperature ramp rates, preventing thermal shock and sensor breakage during cold engine starts.

Diagnostic device estimates normal and lowered sensor outputs to determine response degradation levels.

A method calculates an NOx control deviation and modifies the injection begin via an adaption injection strategy to prevent persistent control deviations.

A control system anticipates load changes to adjust a regulating butterfly valve position before engine speed deviates from the target.

A control system adjusts engine idle speed to stabilize vehicle electrical voltage during high power demand.

A cylinder-by-cylinder air-fuel-ratio controller computes an observation residual to determine detection timing deviations.

A catalyst degradation detection apparatus calculates oxygen storage amounts using pre- and post-catalyst sensors to monitor exhaust gas conditions.

Engine control device segments multiple vehicle state signals to prevent unintended engine shutdowns during coasting.

Selective cylinder deactivation reduces spark retard by cooling high-knock cylinders, preserving engine torque and fuel economy.

Detect working medium leakage in waste heat evaporators by monitoring exhaust gas temperature and mass flow.

Variable needle stroke control adjusts piezo actuator displacement based on temperature to optimize fuel flow.

Heating unit warms bypassed intake air using exhaust gas thermal energy, preventing turbine output loss while avoiding compressor surging.

An extended cool-down period with increased low idle RPM and continuous fan engagement dissipates residual heat, preventing component failure.

Monitoring heater power delivery and adjusting battery charging strategy to resolve insufficient voltage drops that delay closed-loop AFR control.

Diesel engines reduce total injection counts when rail pressure drops, preventing performance derating caused by insufficient fuel supply at high speeds.

Comparing temporal developments of electrical operation parameters detects contamination and wear in gaseous fuel admission valves.

A control system calculates target output torque using dynamic intake air amount and exhaust gas recirculation ratio.

A fuel injection control apparatus calculates direct combustion and vaporization rates to adjust injection amounts across engine modes.