Electrical Control TRIZ Cases
- Engine Fuel Reforming Device Suppresses Knocking
A fuel reforming device adiabatically compresses intake air and exhaust gas to produce lower hydrocarbon fuel.
- Fuel Conservation System Using Periodic Engine Control
Periodic fuel injection oscillations optimize combustion efficiency, reducing consumption while maintaining horsepower and torque output.
- Variable Cylinder Ratio Control Reducing Engine Speed Fluctuation
A variable combustion cylinder ratio control device adjusts deactivation intervals to manage engine speed stability.
- Driver Guidance System for Engine Speed Optimization
A driver guidance system suggests lowering engine speed during upshift sequences to optimize fuel efficiency.
- Fuel Injection Controller Valve Timing Control
A fuel injection controller manages coil current to stabilize electromagnetic force for precise valve actuation.
- Electronic Control Throttle Torque Smoothing
Electronic control throttle adjusts proportional and integral coefficients across four operating regions to generate a continuous torque command.
- Antiphase Torque Timing for Engine Fuel Cut Vibration
A control device adjusts antiphase torque generation timing to suppress vehicle vibration during internal combustion engine fuel cut operations.
- ATV Throttle Safety Switch Sealed Design
Sealed safety switch actuates via plunger to cut engine power, preventing corrosion and sparking from moisture exposure.
- Engine Torque Control via Model Predictive Valve Lift Anticipation
Model predictive control anticipates valve lift changes to adjust engine actuators for precise torque management.
- NOx Sensor Diagnostics via Ammonia Depletion
A diagnostic system depletes ammonia storage to isolate NOx sensor gain rationality.
- Flat-Vee Aero Engine for Diesel Fuel and Vibration Control
Segmented banks with unique firing orders resolve torque signature conflicts while enabling diesel fuel use.
- Flowmeter Housing Graphite Surface for Antistatic Resin
Graphite conversion on the flowmeter housing surface discharges static charge, preventing foreign matter adhesion while preserving resin moldability.
- Fuel Distributor Block Leakage Monitoring
A fuel distributor block channels leakage through a constriction and bypass to a sensor, detecting excessive flow to prevent system damage.
- Exhaust Manifold Integrated Combustion Heater for Aftertreatment
Integrating an igniter and fuel injector within the exhaust manifold eliminates bulky external thermal units while raising exhaust stream temperature.
- Vehicle Control Device Hysteresis Simulation
Correction amount computing unit adjusts manipulated variable to suppress coupled vibrations with non-linear dynamics.
- EGR Valve Flow Control via Pressure Sensor Integration
Integrating a pressure sensor at the EGR valve front end enables precise flow control without separate differential sensors, lowering production costs.
- Engine Control Method for Gradual Fuel Cut
Segmented fuel cut control mitigates abrupt torque changes and prevents over-speed while maintaining vehicle drivability.
- Active Carbon Filter Regeneration Control for Motor Vehicles
A control method adjusts the tank ventilation valve opening time based on upstream hydrocarbon content to manage active carbon filter loading.
- Turbine Bypass Valve Control via Unified Reference Value
A turbine bypass valve adjusts intake manifold pressure using a single common reference value derived from multiple engine parameters.
- Diesel Engine Starting Control System Glow Plug Timing
A diesel engine starting control system compares actual glow plug energization time against required heating duration to adjust injection parameters.
- Fuel Injector Leakage Correction via Pressure Slope Analysis
A fuel injector measurement method calculates injection quantity using filtered pressure signals sampled in the crankshaft angular domain.
- Vapor Fuel Purge Path Defect Location Identification
A vapor fuel processing device uses a determination unit to compare pressure sensor values against reference thresholds.
- Engine Control Device for Turbocharger Response and Torque Limiting
An engine control device manages waste gate valve and throttle positions to adjust supercharging pressure across different load regions.
- Engine Load Management via Intake Manifold Pressure Ratio
A controller calculates intake manifold pressure ratios to build transient power and prevent engine lug.
- Fuel Tank Pressure Sensor Fault Diagnosis for Dual Purge Systems
A fuel tank pressure sensor detects pressure changes during turbocharger operation to identify open or closed check valves in the purge line.
- Dynamic Fuel Pump Shutoff Threshold for Aggressive Driving
A controller adjusts fuel pump shutoff thresholds using multi-sensor data to distinguish driving modes.
- Engine Speed Control for Diesel-Electric Drive Systems
Controller reduces engine speed from high to low RPM based on power and speed rate of change.
- Variable Displacement Engine Knock Control via Cylinder State Segmentation
Segments knock control by operational state to prevent excessive ignition retard that negates fuel economy gains from cylinder deactivation.
- Adaptive Fuel Cut Restriction Temperature for Engine Catalyst
An engine control unit adjusts fuel cut restriction thresholds based on catalyst temperature to manage emission purification.
- Engine Purge System Blockage Diagnosis via Pressure Comparison
Controller compares pressure measurements from the secondary purge line under different solenoid valve states to identify blockages without adding sensors.
- Throttle Aspirator Controls Compressor Recirculation Valve
A throttle aspirator generates suction vacuum to actuate a compressor recirculation valve, minimizing turbocharger surge during transient throttle closing.
- Oil Dilution Prediction via Cold Start and Acceleration Monitoring
Control device predicts engine oil dilution using coolant temperature, acceleration time, and high-speed maintenance data.
- Neural Network Fuel Temperature Estimation for High Pressure Pump Control
A neural network estimates fuel temperature using engine parameters to control high pressure pump operation.
- Fuel Injection Device Valve Timing Control for Piezoelectric Actuator
A fuel injection device adjusts valve opening timing based on injection quantity to stabilize piezoelectric actuator behavior.
- Engine Air-Fuel Ratio Control for Catalyst Oxygen Storage
A control system adjusts target air-fuel ratio lean and rich degrees to maintain exhaust purification catalyst oxygen storage capacity.
- Aftertreatment Regeneration via Exhaust Temperature Control
Periodic regeneration cycles increase exhaust temperatures to burn particulate matter and desorb sulfur poisons, restoring catalyst effectiveness.
- Engine Air Intake Bypass Water Collection for Idle Control
A bypass passage water collection portion gathers moisture upstream of the idle number-of-revolutions control device.
- Handheld Work Apparatus Electronic Ignition Control
Electronic control device manages ignition timing and fuel delivery for handheld work apparatus engines.
- Cylinder Pressure Sensor Monitoring via Plateau Width Analysis
A cylinder pressure sensor monitoring method evaluates signal plateau width to determine admissibility and extend operational life.
- Diesel Engine Fuel Injection Control Using Reference Cylinder Pressure
A diesel engine control system uses a single reference cylinder pressure sensor to measure combustion parameters and adjust fuel injection across all cylinders.
- Exhaust Brake Activation Controller for Diesel Engine Protection
A controller monitors engine speed to switch a vehicle into exhaust braking mode.
- Exhaust Condensate Vaporization for EGR Cooling
Vaporizing collected exhaust condensate on an EGR cooler surface eliminates disposal complexity while boosting cooling capacity through phase change.
- Engine Diagnosis Using Diagnostic Gear to Exclude Oscillation
A diagnostic system ascertains engine values using a specific transmission gear to isolate measurement signals from interference.
- Engine Control Module Runtime Calibration for Power System Optimization
An engine control module receives calibration information to determine optimized values for adjustable parameters via an optimization model.
- Catalyst Monitoring Routine Using DFSO Events
A catalyst monitoring routine uses deceleration fuel shut-off events to saturate the emission device with oxidants for oxygen storage measurement.
- Variable Time Constant Filtering for Cylinder Imbalance Detection
A fuel injection control system adjusts a filter time constant to detect cylinder air-fuel ratio imbalances.
- Engine Air Flow Sensor Correction via Multi-Frequency Pulsation Analysis
An engine control device derives correction amounts from radio frequency amplitudes in intake pulsation waveforms to refine air flow rate calculations.
- Exhaust Gas Sensor Contact Diagnosis via Current Injection
A method diagnoses exhaust gas sensor electrical contacts by driving currents through pump and reference cells to detect line faults.