Electrical Control TRIZ Cases

Refueling data corrects fuel flow model bias, closing the real-world fuel consumption gap and improving onboard efficiency monitoring.

Oxygen sensor feedback verifies degraded fuel tank pressure readings during vapor purge, helping cut evaporative emissions.

Distinct speed thresholds stop the engine during coasting or after a full stop, reducing unnecessary restarts while preserving fuel efficiency.

A Venturi mixer uses intake airflow and alternator voltage sensing to add supplemental fuel to diesel engines with simpler universal installation.

Sensor-based risk detection triggers alarms for driver absence or abnormal conditions while keeping a paver vehicle at constant speed.

Sensors detect door-open or seatbelt risks and trigger alarms while keeping the vehicle at a set speed to protect paving quality.

A Venturi nozzle creates vacuum in the intake to draw supplemental fuel, enabling universal diesel retrofits with simpler installation and tuning.

Coordinated wastegate, vane, and engine control raises power output while keeping electric turbocharger speed within safe limits.

Map- and position-based turn signal logic keeps fuel-saving control active on local roads while stopping it where acceleration and safety matter.

A launch control mode pre-spools the turbocharger at rest while limiting torque, enabling faster vehicle acceleration with boost available immediately.

A shared step-up circuit, diode, and electrolytic capacitor keep critical loads powered during voltage drops and brief interruptions.

Torque is adjusted from running-state inputs to limit drivetrain backlash shock during acceleration and deceleration while preserving response.

Dynamic torque limit recalculation uses flywheel torque balance and driving resistance to protect commercial vehicle drivetrains without unnecessary power loss.

An ECU trigger lets the ISG controller align rotor-derived crankshaft angle without extra sensor circuits, reducing distortion and start delay.

Model-based temperature prediction replaces fragile sensors in heated fluid flow systems, improving response time and heater control in harsh conditions.

Magnetic equilibrium between a coil and permanent magnets eliminates stops and springs, enabling fast, precise valve switching in engines.

Sequentially switching parallel EVAP canisters by fuel level balances vapor loading during refueling and helps prevent overflow emissions.

Wheel acceleration timing distinguishes road bumps from slippery surfaces, preventing unnecessary TCS intervention and loss of acceleration.

A bypass orifice balances tank and canister pressure during purge, improving vapor isolation while reducing hoses and leak points.

By integrating differences between requested and estimated torque change rates, this case detects engine abnormalities faster with fewer false alarms.

Electrical signaling lets a piezoelectric actuator send data to its control unit while polarity-based detection prevents unintended operation.

Coordinated gear ratio and intake valve timing control cuts torque drop delay by reducing intake air pushback during pedal lift-off.

Multi-stage target speed adjustment helps ships track set speed smoothly without pre-defined control maps, reducing overshoot and ride discomfort.

Multiple rotation-direction signals keep reverse crankshaft drive from stopping on sensor noise, improving saddle-ride engine startability.

Spark retard and selective cylinder shutdown cut engine torque during oncoming clutch engagement to reduce shift disturbances and maintain acceleration.

Overlapping first-derivative time windows pinpoint a solenoid valve switching point while avoiding second-derivative noise and extra tuning.

A reinforcement learning controller adjusts cooling capacity to keep vehicle motors within temperature limits while reducing electricity use.

Flow rate is inferred from current and past pump motor parameters, avoiding hydraulic sensors while improving accuracy across pump designs.

Electronic solenoid control recaptures fuel vapors while managing tank over-pressure and vacuum relief with fewer mechanical parts.

Load-estimated torque correction limits unintended acceleration while preserving drive force on slopes and rough ground.

Transient-condition control delays cylinder reactivation and uses vehicle adjustments to preserve fuel economy without losing needed power.

Afterburner-based turbo control replaces a wastegate to recover exhaust energy, improve efficiency, and enable high-altitude engine restart.

Pre-fault operating-state control cuts drive power during grid faults to limit load angle rise and help gensets ride through low voltage.

Drive shaft torsion feedback lets vehicle torque control suppress body vibration and gear backlash without sacrificing acceleration response.

Pressure monitoring closes the purge control valve when a purge check valve fails, blocking boosted intake air from expanding the fuel tank.

Estimate supply pipe fuel pressure from pump state, fuel flow, and fuel properties to remove the pressure sensor and cut component cost.

Route and fuel market data set the combustion ratio in a multi-fuel engine to prevent fuel depletion while keeping emissions within limits.

A variable target shaft-speed curve limits wheel spin in drag racing by adjusting engine power in real time to maintain traction and reduce tire shake.

Directly setting a minimum drive motor speed cuts brake slip and shortens control loops to improve braking stability and steering.

A vehicle controller holds engine speed in the BSFC sweet spot and adjusts pump displacement to cut fuel use under heavy low-speed loads.

Separating cabin voice data by region lets one receiver identify vehicle voice modes, cutting hardware cost and processing load.

When supercharger control temperature rises, engine or vehicle speed is limited to prevent thermal damage and extend control life.

Operational data and mission-stage mapping let a vehicle keep moving under drivetrain faults by limiting power only in affected areas.

Automatic CAN-based gear selection and PWM voltage control match engine speed and torque to load, improving fuel saving and driver ease.

Sensor-driven mode control adjusts turf-care engine speed to match operating conditions, cutting fuel waste and reducing component wear.

Multi-stage fuzzy acceleration with brake deceleration and Kalman filtering cuts throttle valve error to about 1° and response time to 0.15 s.

Maintaining an engine speed lower limit until accelerator-on smooths GPF temperature control, reducing abrupt speed changes and operability impact.

Electrical catalyst heating combined with temporary cylinder fuel cutoff speeds cold-start activation and cuts emissions without extra air injection.

Temporary ignition timing changes align generator and grid phase faster without skip-fire, cutting sync time, emissions, noise, and engine damage.

By sampling before and after PWM switching, this case reconstructs solenoid current accurately despite low-slew-rate amplifier delay.

Airfoil sensor housing creates pressure differential for centrifugal particle separation, protecting moisture sensor membrane from contamination.

A catalyst monitor integrates fuel mass calculations starting when the pre-catalyst sensor reaches stoichiometry during deceleration fuel shut-off events.

Segmented control units coordinate liquid and gaseous fuel injection via a communication line, resolving OEM modification complexity.

Compressor recirculation valve redirects turbine energy to intake air, rapidly heating the charge air cooler during cold engine starts.

An adaptive control system adjusts intake valve closure timing to optimize operational costs in diesel engines.

A control unit manages simultaneous NOx-PM reduction regeneration through dual-step temperature strategies tailored to trapped particulate matter loads.

A method estimates intake air humidity using engine-out emissions to adjust operating parameters.

A valve control device sets a soft-landing initiation position to decelerate the valve body before seating.

Combining aggressive exhaust gas recirculation with air-fuel enrichment reduces exhaust temperatures while maintaining fuel economy during high-load operation.

Self-adaptive control adjusts gasoline injection angle to reduce cylinder wall wetting and smoke during light-to-heavy load transitions.

A flow measuring device output portion applies a control voltage to switching elements via an edge relief part that gradually changes the signal value at the edge.

A control apparatus adjusts engine output characteristics during manual transmission shifts to maintain smooth vehicle movement.

A power distribution module allocates energy to parasitic devices based on operational signals while maintaining constant net power to work devices.

A control unit derives a correction opening degree for an EGR valve using downstream intake air temperature measurements.

Timed transfer valve closes before exhaust stroke ends, resolving the trade-off between overexpansion efficiency and gas flushing performance.

A control system establishes a statistical probability function for exhaust gas regeneration capability to identify optimal timing windows.

Series transistors and measuring shunts enable continuous current monitoring during piezoelectric element charging or discharging cycles.

Dynamic fuel injection control synchronizes with ignition to optimize combustion while reducing soot production during catalyst warming.

A flexible H-bridge circuit topology dynamically switches between multiplexing configurations to drive solenoid and piezo injectors.

Harvesting thermodynamic energy via a turbo-compound unit in the bypass path improves engine efficiency and transient response.

Collective learning updates across engine regions accelerate air-fuel ratio convergence.

A control apparatus adjusts waste gate valve opening to optimize turbocharger boost pressure and enhance supercharging effects.

A bottom support member and side support members attach an exhaust gas purification case to a main machine frame for easy assembly.

A fuel heating device measures heater resistance to determine fuel temperature and activates the heater when communication fails.

Calculating fresh air mass by subtracting burnt gas mass from total chamber filling to resolve measurement precision limits.

A combustion control device estimates fuel mixing ratios using dual sensor inputs for precise injection management.

Dynamic low-pressure fuel pump control adjusts target pressure based on real-time temperature to prevent cavitation and ensure stable fuel supply.

A Kalman filter corrects EGR rate estimates via intake pressure feedback, preventing knock and misfire in high-EGR combustion systems.

A particle filter management system corrects production estimates using a dynamic factor to optimize regeneration timing.

Controller manages engine start and stop conditions using predetermined battery state of charge ranges, reducing unnecessary wear from frequent cycling.

A controller counts high pressure fuel pump driving times using a crank angle counter and stored stop-time values.

A control section synchronizes reverse gate position and throttle opening based on accelerator lever input.

A fuel overflow prevention chamber stores liquid fuel from a vehicle tank, and a reverse-driven pump returns it to the tank when the engine stops.

A throttle valve generates helical vortex movement at the compressor inlet to stabilize gas flow.

A fuel supply system manages gaseous and liquid phases from a single tank using distinct apertures and pressure control modules.

Pre-heats aftertreatment devices using an electrically heated catalyst and exhaust gas recirculation valve before engine start, reducing cold start emissions.

A canister purge valve opens during refueling to route fuel vapor to the engine intake manifold.

A method identifies piston and valve phase differences using dynamic pressure oscillations measured in intake and exhaust tracts.

Engine control unit monitors pump volume and pressure to manage torque output during fuel delivery cycles.

Electric motors rotate eccentric masses to balance first and second-order vibrations, replacing complex mechanical shafts with dynamic phase angle control.

Exhaust monitoring prevents intake activation in high-pressure cylinders, reducing pumping losses and damage risk.

A controller switches between single and combined EGR modes, suspending feedback during transitions to prevent control interference.

A fuel injection controller adjusts energization timing based on coil temperature to maintain precise injection amounts.

A solenoid valve controller supplies pairs of operating pulses to detect the return stroke timing.

A mixing region merges hot return fuel with fresh supply to lower temperature, preventing overheating in high-pressure pumps.

Correlating fuel tank pressure changes from a diagnosed vehicle with a select crowd eliminates onboard pumps and reduces evaporative emissions.

An electric supercharger control device switches an internal combustion engine from lean to stoichiometric combustion mode when battery charge drops.

Switching off the closed-loop control allows adjusting the idling stop beyond maximum rotational speed limits without extra hardware.

An electrically driven compressor activates to cancel turbocharger speed oscillations and maintain optimal air pressure.

A control device estimates knocking intensity using a learned neural network and noise removal model to adjust ignition timing.