Electrical Control TRIZ Cases

An intermediate shaft transmits motion to a sensor while a calculation unit subtracts backlash angle from detection values for accurate throttle position.

Staged hydrogen injection during the expansion stroke increases torque build-up speed while maintaining low nitrogen oxide emissions.

A high-pressure pump builds rail pressure before engine shutdown to ensure immediate fuel injection upon restart.

A drive control device adjusts generator target voltage using inverse rotation number peaks to manage engine load during acceleration.

A controller adjusts intake and exhaust valve timing to set target in-cylinder properties for stable compressed self-ignition combustion.

Adjusting integral coefficients by acceleration or deceleration states prevents overshooting and shortens convergence time.

A method using in-cylinder pressure sensors to determine top-dead-centre position and calculate offset values for engine diagnostics.

Controller manages integrated coolant valve position to maintain engine thermal safety during sensor failures.

A torque control method attenuates corrective torque from a curative comfort regulator during simultaneous activation with an idle speed regulator.

Segmenting engine heating into lean and rich phases minimizes nitrogen oxide and hydrocarbon emissions during startup.

A precombustion chamber fuel supply valve adjusts injection duration based on main combustion air excess ratio.

Downstream oxygen sensor overlaps the stored main stand for physical protection and compact integration within the exhaust system.

Segmenting the catalyst allows independent fuel injection per region, preventing excessive heating while maintaining stoichiometric air-fuel ratios.

A UEGO and HEGO sensor arrangement detects exhaust zone flow to adjust air-fuel ratios via proportional or integral controllers.

An injector heater preheats fuel during cranking to enable stable engine ignition in flexible fuel vehicles.

A sensor apparatus integrates pins through an electrical circuit section to enable jig engagement without expanding the housing outer shape.

A reformer generates hydrogen-rich gas to adjust air-fuel mixture temperature in internal combustion engines.

Calculates oxygen concentration and internal EGR mass to control boost pressure and reduce nitrogen oxide emissions.

A method identifies asymmetric gas sensor dynamics by minimizing direction-dependent error signals through high-pass filtering and saturation characteristics.

A fuel injection control apparatus calculates target injection times using a microprocessor to determine precise crank angles for start and end events.

A control device limits engine speed and fuel injection to protect components during malfunction states.

A fuel injection control device switches coil voltage to stabilize valve lift and reduce injection amount deviation.

Diagnostic method compares upstream and downstream oxygen sensor responses to detect defective probes in exhaust aftertreatment systems.

A bypass conduit transfers thermal energy from high-pressure fuel backflow to engine components.

Adjusting starter motor disengagement thresholds by driveline state resolves the trade-off between engine start robustness and noise vibration harshness.

A diesel fuel composition with low sulfur and nitrogen content reduces engine-out nitrogen oxide emissions during combustion.

Flexible cylinder switches between two-stroke and four-stroke modes to optimize fuel reforming efficiency without adding separate catalytic devices.

Dynamic intake manifold pressure adjustment limits engine load based on real-time detonation levels, preventing over-derating and enabling rapid recovery.

A control unit activates forced fuel cut before transmission disengagement to reduce engine torque.

An exhaust purification device determines regeneration start timing based on hydrocarbon occlusion in an oxidation catalyst.

A control device estimates alcohol mixing ratio using engine operational parameters to adjust ignition timing without external sensors.

Model predictive control selects optimal throttle pressure ratios to resolve slow response and low accuracy in traditional engine torque systems.

A lean engine exhaust control system operates the internal combustion engine at a stoichiometric air-fuel ratio before shutdown to preserve adsorbed ammonia in the SCR catalyst.

A crankshaft angular speed detection system calculates a learning correction coefficient to eliminate inertial force influence on pulse generation.

An electronic control module increases air supply before mechanical load application to maintain engine speed stability.

A fuel pump driver maintains a stop state during communication interruptions by interpreting maximum command values based on ignition switch status.

A vehicle exhaust control system adjusts urea injection and temperature to prevent crystallization in the catalyst.

Segmenting the sensor support into a fixed base and tip reduces misalignment errors from manufacturing posture deviations.

A control device manages fuel injection during gasoline particulate filter regeneration to maintain stable exhaust temperatures.

A controller adjusts ignition timing to reduce shift shock during outboard motor direction changes.

A cylinder richness estimation system uses a drift identifier and Kalman filter to continuously adjust calculated values based on sensor data.

Air management reduces cylinder charge density to mitigate engine knock without spark retardation, preserving torque and fuel efficiency.

A purge restricting module limits evaporated fuel supply during deceleration to protect sensor output change speed.

An energy storage device generates smoothing torque to cancel skip fire variations, reducing noise and vibration while maintaining fuel efficiency.

Diagnostic system samples onboard sensor temperatures during engine off conditions to detect thermal encapsulation degradation.

A low pressure EGR apparatus uses mechanical stoppers to limit valve rotation and detect failure modes.

A controller closes the throttle valve to create a pressure differential that drives condensation water through a dedicated drainage pathway.

Periodic lean-rich phase alternation increases oxygen storage capacity to remove sulfur while preventing harmful H2S emissions.

A solenoid drive device separates the comparing and discharge units to prevent heat from affecting voltage accuracy.