Electrical Control TRIZ Cases

Online Wobbe Index sensor estimates fuel composition using thermal conductivity and infrared detection.

Controller blends hydrogen and gaseous fuel to adjust air/fuel ratios, reducing turbocharger lag during rapid load increases.

A boost controller shifts the full-charge threshold upward during regenerative current flow to maintain stable voltage accumulation.

A controller adjusts fuel pressure to remove deposits from injection valves while maintaining lean combustion stability.

Ambient temperature acquisition adjusts heater energization to prevent water cracking of the sensor element during rapid temperature rise.

A notification device conveys ignition status to the driver during automatic engine stop.

A rev limiter activates feedback control at nominal speed to stabilize engine rotation.

Electronic control unit adjusts fuel gauge readings using a filling compensation scheme to handle varying sensor configurations.

A starter relay control circuit uses voltage monitoring to detect internal faults.

Active pressure relief valve maintains defined rail pressure during sensor failure, preventing critical engine conditions and preserving power output.

A dual exhaust recirculation device manages oxygen concentration in the combustion chamber to lower flame temperature.

Segmented cylinder subsets minimize mix errors and torque fluctuations while adapting injection valve characteristics.

Driving semiconductor cross-checks brake signals with the micro-control unit to manage injector deceleration operations.

A method directs compressed air from an electrically driven compressor through engine cylinders to dry wet-fouled spark plugs.

A monitoring system determines fuel properties by comparing engine operation parameter changes with recorded refueling times.

Controller monitors liquid level and pressure signals to determine a calibrated fuel range for liquefied natural gas storage tanks.

A method determines pilot and main injection fuel quantities by measuring maximum cylinder pressure at idle speed using a predefined relationship.

Dynamic heating restores Lambda sensor function after fuel cutoffs, preventing excessive tailpipe emissions and extending component life.

A control device adjusts nitrogen oxide sensor sensitivity by comparing upstream and downstream measured values.

Intake pressure directs compressed air through the EGR path to clear carbon deposits without adding sensors or reducing fuel efficiency.

A control device adjusts valve opening duration using correction variables to enhance fuel metering precision.

A pressure sensor validates its own accuracy by comparing measured values against peak current profiles assigned to injection valve opening states.

A gas control system collects and purifies methane from boreholes using a heated dryer and blower to supply an engine.

An engine control unit coordinates ignition timing and throttle opening angle to maintain constant torque during steady-state operation.

Adaptive wastegate valve control enhances boost pressure response while preventing turbocharger rotation speed from exceeding safe limits.

A vehicle controller derives crankshaft rotation angles using a Hilbert process to calculate engine inertia torque and resonance effect torque.

A control system adjusts air fuel ratio by comparing acceleration times across defined speed intervals.

Calibrating piezoelectric actuators using dynamic impedance profiles to derive nonlinear material coefficients for precise control.

A control system adjusts intake valve open and close timings to manage air-fuel ratios in compression-ignition engines.

An aircraft engine controller detects peak exhaust gas temperature to adjust the fuel-air ratio for each cylinder independently.

Dynamic purge thresholds adapt to driving conditions, reducing unnecessary fuel consumption while maintaining strict pollutant emission compliance.

A dual fuel injection system adjusts port injection pulse timing to align with stable pressure sampling points.

Segmented variable and fixed exhaust valve mechanisms open one valve during piston downward movement to suppress pumping loss in deactivated cylinders.

Segmenting total pressure drop into inlet, outlet, channel, and permeable layer components enables accurate soot estimation across dynamic operating conditions.

Variable voltage mode detects water contact at the exhaust oxygen sensor, preventing heater element cracking and maintaining accurate air-fuel ratio control.

A pressure generator connected to the return line refills an emptied hydraulic coupler in piezoelectric fuel injectors.

A controller adjusts first fuel injection mass and timing using knock sensor signals to maintain combustion stability.

Exhaust promotion mechanism increases cylinder negative pressure during transition, resolving insufficient inertial force at low engine speeds.

A stochastic pre-ignition mitigation system switches between single and multi-pulse fuel injection modes based on engine load signals.

Controller compares actual CNG consumption against expected values to identify tank leaks.

Segmenting cylinders into enriched, lean, and stoichiometric groups increases engine power while maintaining catalyst efficiency.

Segmented fuel delivery with electrically actuated valves prevents simultaneous injection, eliminating rich air-fuel ratios during source transitions.

An inverse residual gas model determines actuator setpoints to control cylinder air mass and purge flow.

Dynamic coolant routing through the intercooler heats intake air during cold starts, preventing swirl valve durability issues without extra heating devices.

Control unit evaluates pressure measurement signal differences to detect in-range sensor errors using existing hardware.

A vehicle accelerator pedal indicator displays actual opening as a ratio to a fixed target position.

A method blocks direct fuel injection in at least one cylinder to redirect available purging air mass flow through the tank venting system.

A method monitors oxidation catalyst performance by measuring upstream and downstream NOx concentrations to calculate a differential value.

A dual fuel engine system uses a first fuel pump to actuate multiple second fuel pumps for efficient pressurization.

A fuel injection control system dynamically selects time or angular distance metrics to link consecutive injection pulses based on operating conditions.