Electrical Control TRIZ Cases

A control device adjusts variable valve train lift to equalize cylinder intake air quantities.

A neural network generates setpoint signals for exhaust sensors to identify faults through deviation analysis.

A fuel injection device finely injects fuel based on a target torque value to reduce engine vibration during key-off.

A control device alternates average air-fuel ratios between rich and lean states across multiple cylinders to maintain catalyst oxygen storage capacity.

Controller adjusts variable geometry turbocharger and throttle valve positions to enhance engine braking power.

Predicting instantaneous engine speed enables early auxiliary motor activation, preventing stalling before critical speed reduction occurs.

A NOx generation amount control device calculates predicted emissions and adjusts EGR valve openings to optimize engine operation.

A non-planar intake flap segments charge-air flow to maintain high pressure ratios at low engine speeds, resolving torque drop issues.

Segmenting injection paths allows port injectors to supplement direct injectors at high speeds, resolving limited fuel delivery capability.

A windshield defogging system adjusts heating element duty cycles based on air circulation parameters and ambient temperature.

A fuel supply control apparatus manages actuating and diagnostic signals between engine and pump units to maintain operational integrity.

Periodic fuel injection synchronizes with exhaust flow to raise particulate filter temperature without causing hydrocarbon slip.

A crank angle sensor detects rotational velocity changes to adjust fuel supply during engine start-up.

A double-ended electric supercharger uses opposing compressor wheels driven by a single motor to balance axial thrust forces.

A supercharger control device adjusts intake pressure to manage combustion anomalies.

A control device manages fuel injection using downstream sensor data to suppress exhaust emission deterioration caused by hydrogen diffusion during scavenging.

A monitoring device ascertains characteristic values from preset and system variables during engine state changes to detect control loop errors.

An exhaust purification system measures oxidation catalyst capacitance to estimate particulate matter accumulation in the diesel particulate filter.

Diverging exhaust pipe reduces sensitivity to engine speed and temperature variations while maintaining stable pressure differentials.

A separating device uses an ejector to create suction for impurity removal from engine blow-by gas streams.

A direct injection engine control apparatus increases fuel-air mixture flow-back to the intake port for deposit removal.

A physical quantity detection device uses stored error characteristics to calculate accurate values from multiple sensors.

Diesel engine control system corrects intake air parameter setpoints using exhaust gas richness to accelerate response time during transient operating phases.

A vehicle controller adjusts engine restart waiting time based on automatic stop duration to optimize responsiveness.

A correction value computation device transforms sensor index values into fluctuation amounts to stabilize control parameters.

A start-stop control device evaluates tank filling level and seat occupancy to manage automatic engine shutdown eligibility.

Canister purge valve routes intake air to dissipate fuel tank vacuum while engine combustion continues, minimizing manifold pressure impact.

Segmented orifices resolve the contradiction between multi-fuel versatility and combustion space utilization.

A controller calculates fuel injection amounts using piston position or crankshaft rotation speed to manage engine restarts.

A variable displacement engine manages intake and exhaust valve deactivation sequences to optimize cylinder pressure dynamics.

A restriction valve diverts engine exhaust to the compressor inlet during cold start.

Ion detection monitors combustion state to adjust the air-fuel ratio, resolving ignition instability in flame-retardant ammonia fuel.

Nesting the stator inside the rotor reduces construction space and weight while maintaining air compression capability.

A control device estimates downstream catalyst oxygen storage to adjust fuel cut thresholds.

A fuel control system detects diesel alternatives by measuring cylinder heat release during combustion.

A device predicts exhaust gas recirculation rate using valve position and inlet gas composition data.

High-pressure exhaust gas recirculation cooler transfers heat to engine coolant during cold start operation.

A reflective memory ring network routes data between engine control units, reducing calculation loads and suppressing communication delays.

Algorithm calculates cylinder head temperature via filtered air intake metrics, eliminating physical sensor installation complexity.

A three-dimensional map calculates EGR valve opening angles using engine speed and intake air volume.

Predicts compressor flow rate to control bypass valve operation for turbocharged engines.

An electronic pressure regulator unit merges a reducing valve and modulating solenoid into one housing.

Segmented direct and port injection control balances engine efficiency against particulate emissions by optimizing mass distribution.

A high-pressure fuel pump uses a flow-dividing element to create separate partial streams for direct supply and cooling.

Skip fire engine control reduces noise and vibration during cylinder mode switching by applying periodic action patterns.

Solving a system of equations for upstream pressure and turbine flow accounts for bypass pipe effects, improving estimation accuracy over standard methods.

An electrically-operated actuator shifts a valve to an intermediate position after ignition switch off.

Real-time air-fuel ratio adjustment optimizes NOx reduction efficiency while preventing reducing agent flow to the downstream side.

A control device executes return rich control to adjust the air-fuel ratio after engine restart.