Electrical Control TRIZ Cases

A combustion control process introduces gaseous fuel via indirect injection to create a quasi-homogeneous mixture in the cylinder.

A signal acquisition apparatus uses a control part to assess vehicle sensor states by converting output voltage into digital values for noise filtering.

Heat resistor bank provides counter torque to prevent engine overspeeding when electrical load disconnects from the generator.

An active purge pump delivers fuel vapor during engine-off periods while a hydrocarbon sensor monitors concentration to optimize combustion efficiency.

A high-pressure pump control unit adjusts energization start timing to minimize electromagnetic valve noise.

Computes required cooling duration from exhaust temperature data and notifies the operator to prevent urea crystallization in injection units.

A vehicle controller adjusts driving force torque based on steering angle to manage vehicle attitude during turning operations.

An engine control device supplies electric power to a motor during deceleration periods to manage battery state and enable idling stop.

Diagnosis system calculates air-fuel ratio change characteristics to detect sensor deterioration accurately.

A dual EGR cooler system segments exhaust gas cooling into two stages using distinct fluids to reduce thermal load on each heat exchanger.

A lift pump control method uses a single downstream pressure sensor to regulate fuel delivery in direct injection systems.

A vehicle control device adjusts injector valve lift to increase injection velocity and narrow the spray angle.

A control device calculates peak-current arrival time to determine shifts in detected drive current for electromagnetically-driven fuel injectors.

A dual fuel tank system switches to commercial canned fuel during shutdown cycles to purge impure gasoline from engine lines.

A flow-volume detecting apparatus selects filters based on real-time fluid states to process signals.

An intermediate idle phase allows aerated oil bubbles to dissipate before final deceleration, preventing valve lift loss and engine stalling.

Stepwise transfer of injection mass differences between pulses compensates for short-term deviations to improve total fuel mass tolerance.

Automated engine monitoring selects representative data points from steady-state regions to improve trending accuracy.

Electronic control module adjusts fuel injection timing, exhaust gas recirculation valve position, and intake throttle position based on engine operating conditions.

A diesel engine control unit alternates exhaust gas atmospheres to enable direct NOx conversion.

An engine control unit manages idle stop and restart states based on vehicle speed thresholds.

Segmented combustion via a movable septum reduces pollution and control complexity while maintaining thermal efficiency.

A fuel vapor treatment apparatus detects pressure fluctuations to estimate internal vapor pressure levels.

Software-based analysis of electrical signals detects valve defects and adjusts control variables without adding hardware complexity.

A bypass valve routes exhaust gas upstream of the aftertreatment system to maintain thermal stability during engine operation.

Electronic fuel pump relay integrates impact sensing to disable the motor during vehicle crashes.

EGR valve adjustments indicate cylinder combustion faults using existing exhaust gas sensors.

Dynamically selects active or passive regeneration modes based on exhaust temperature and speed to prevent blockages while minimizing fuel consumption.

Dual sensor algorithms determine camshaft position via a controller selecting the faster detection path.

Selective cylinder deactivation allows remaining HCCI engine cylinders to operate at pseudo-higher loads while maintaining thermal efficiency.

A control system manages engine drag torque during cylinder deactivation transitions to minimize energy loss.

Exhaust gas sensors detect nitrogen oxide and ammonia levels to determine catalytic converter oxygen storage capacity.

A pump control module increases low pressure pump output to raise fuel boiling point and prevent vaporization at the high pressure pump inlet.

A vehicle control device adjusts engine torque reduction based on real-time combustion frequency to maintain stable driving dynamics.

A control unit estimates actual EGR ratio using differential pressure across the EGR valve to correct provisional values.

A hybrid vehicle uses an electric motor as a mediator to apply counter-torque, reducing NVH from skip-fire engines while maintaining fuel efficiency.

A solenoid valve current drive uses impedance measurement to adjust timing.

A flow-restricting orifice decouples pressure measurement from the closed fuel rail boundary, enabling stable feedback control without mechanical regulators.

A control device manages exhaust gas flow velocity and rate to increase turbocharger revolutions during supercharging region transitions.

Compressed air ejects contaminants through a check valve to restore flow rate and eliminate scheduled maintenance intervals.

A control device calculates air-excess ratio using temperature and pressure sensors to adjust EGR valve opening.

Coaxial primary and multi-layer secondary coils reduce insulation complexity in ignition step-up converters.

A diesel particulate filter controller evaluates a weighted average of normalized sensor parameters to initiate regeneration.

A catalyst deterioration determination system uses oxygen inflow comparison to assess three-way catalyst health during air-fuel ratio switching.

Thermal energy storage buffers exhaust fluctuations to protect thermoelectric components and sustain bottoming cycle efficiency.

Electronic control unit regulates purge valve to deliver fuel vapors into the intake manifold during engine start-up.

A fuel injection controller uses cylinder pressure sensors to measure combustion pressure directly.