Electrical Control TRIZ Cases

Multiple voltage pulses execute a break loose operation on gaseous fuel injectors, resolving injector sticking during cold engine start.

A method adjusts hydrocarbon concentrations to compete with NO oxidation, controlling the NO2 fraction produced by exhaust catalysts.

Dynamic wave speed correction compensates for rail pressure variations to reduce fuel quantity deviations without requiring extensive map preparation.

A dual electric supercharger engine system uses a bypass valve and controller to manage intake air flow across multiple operating modes.

A manifold pressure sensor system calculates offset values using readings at varying throttle angles to adjust output signals.

A control system measures fuel mass flow from the crankcase breather to adjust engine operating parameters.

Dynamic selection of water injection points manages condensation and atomization trade-offs to improve engine efficiency.

An engine ignition controller estimates fuel properties from ion current signals to adjust spark timing within the same combustion cycle.

Dynamic injection ratio adjustment improves fuel vaporization and reduces particulate matter emissions across varying engine loads.

Remote servers provide environmental data to the vehicle computer, enabling accurate spark adjustments without costly in-vehicle humidity sensors.

A torque converter clutch control module maintains engine speed during deceleration fuel cutoff to support post-oxygen sensor diagnostics.

Electronic control unit calculates feedforward and feedback terms to adjust throttle position for target mass flow.

An external circulation loop with volumetric expansion maintains fuel mixture homogeneity, preventing vapor lock while improving combustion efficiency.

Sensor-driven engine control optimizes fuel efficiency by dynamically matching power output to specific wheel loader working conditions.

A leakage detection device measures pressure in the PCV passage to identify leaks across multiple lines.

A diagnostic test cycle monitors oxidation catalyst conversion capability by measuring exotherm generated through fuel post-injection.

A fuel vapor treatment system manages an isolation valve to control canister pressure during purging operations.

Orthogonal rocker arm supports around the spark plug hole reduce cylinder head volume while preventing misassembly through asymmetric hole diameters.

A fuel injection control device calculates correction time to adjust energization and compensates for current area deviations.

A fuel valve adjusts the air-fuel ratio through automated sensor feedback.

Cloud system analyzes real-time vehicle operational data to generate customized fuel type recommendations.

A control unit calculates urea-water mixture consumption by comparing filling levels at two time points to verify injection sufficiency.

A hydrogen pressure intensifier device boosts residual tank pressure to injector levels using pneumatic or electric boosters.

Secondary air injection between catalytic converters reduces component temperatures and noxious emissions during high-load operation.

An AI pattern recognition program analyzes vehicle signal data to identify deviations from nominal operating patterns.

Engine control module adjusts fuel injection timing and air/fuel ratio to raise exhaust temperatures for passive filter regeneration.

Distinguish water and alcohol content in wiper fluid using existing oxygen sensors, eliminating dedicated measurement hardware.

Mounting fuel injectors at compound angles directs opposing spray patterns to meet at the center, resolving engine compactness versus mixing uniformity.

A control system uses signal line states to route communication data directly to sensor units without pre-assigned node IDs.

A vacuum sensor monitoring method calculates an upper error threshold from operating states to detect signal faults.

A controller updates combustion parameters using storage duration and tank pressure data for liquefied natural gas engines.

A controller switches an EGR valve between open-loop and closed-loop modes based on detected exhaust gas flow rates.

Electronic reluctor plate controller replaces mechanical diaphragms with vacuum sensors and stepper motors to resolve spark timing accuracy trade-offs.

A by-pass valve uses a diaphragm to divert intake air, minimizing pressure model errors that cause drivability issues.

Composite elastomer and PTFE layers provide chemical resistance against aggressive blow-by gases while maintaining elasticity.

A control apparatus adjusts fuel injection ratios between in-cylinder and intake manifold injectors based on real-time temperature data.

A computer-assisted method calculates compensation factors to isolate uneven running values in internal combustion engines.

A fuel quality measuring unit captures liquid between two valves during a controller-defined steady state window.

A controller calculates speed change deviation between inlet and outlet exhaust temperatures to detect sensor mounting errors.

Dynamic air-to-fuel ratio adjustment mitigates engine knock and stabilizes combustion in hydrogen-diesel engines.

A controller monitors gas fuel rail pressure decay rates to detect electromechanically actuated shut off valve failures during engine operation.

A control unit determines NO and NO2 concentrations using two NOx sensors to assess exhaust purification device performance.

A throttle body assembly uses a boost venturi to accelerate airflow and create pressure drops for fuel injection.

Operating a compression component at standby speed reduces energy consumption while maintaining boost pressure for faster torque buildup.

A differential equation controller calculates setpoint mass flow through a throttle valve using intake manifold pressure feedback.

A dual-path purge system distributes fuel vapors across separate intake routes to lower effective concentration entering the engine.

A wheel loader controller adjusts engine torque limits based on vehicle speed and acceleration to optimize fuel consumption.

A control unit estimates remaining reducing agent distance to adjust air and fuel injection parameters.