Electrical Control TRIZ Cases

A fuel injector calibration method estimates opening rate shape slope to adjust control parameters for precise injection quantity matching.

A dual-stage turbocharger system with variable geometry turbines and a bypass throttle manages exhaust flow distribution.

A soot particle sensor uses adaptive cooling to determine optimal measurement timing based on initial current flow.

An estimating device calculates upstream particulate matter content using NOx sensor data and emission trade-off relations.

A control apparatus calculates injected fuel quantity using real-time rail pressure to stabilize injection timing.

Nonlinear Kalman filtering suppresses crank angle sensor noise to enable accurate individual cylinder torque estimation despite measurement resolution limits.

A fuel injection control information generation device associates engine operating parameters with optimum injection timing to minimize total fuel consumption rate and NOx emission.

A gas heating device warms intake air directed through an exhaust aftertreatment system before engine startup.

A turbo-supercharger control apparatus manages intake air using a throttle valve and waste gate valve to warm an exhaust catalyst.

Self-diagnosis system detects relative rotation between the arm and drive shaft in variable compression ratio engines.

Segmented exhaust logs connect parallel turbochargers to maintain pulse integrity, reducing pressure drops that diminish efficiency in complex piping.

Controller predicts engine speed commands from hydraulic load to prevent lug-down and reduce fuel consumption during sharp pressure spikes.

A vehicle controller restarts the engine when closing a roof unit to ensure power availability.

A Venturi device draws condensate from a charge air cooler reservoir and introduces it into the intake manifold as a fine mist.

A venturi creates differential exhaust pressure to calculate mass flow rate for engine control.

Electronic control unit calculates ignition timing and fuel injection amounts at specific crank angles before compression top dead center.

A fuel pump operating unit adjusts delivery based on a determination of future engine working points derived from road ahead information.

A pre-chamber spark ignition engine controls combustion timing via secondary fuel injection, reducing NOx emissions while maintaining high performance.

Segmenting pressure signals into operating cycles determines camshaft phase positions, resolving stability issues under varying engine conditions.

Transitioning from partial to full engine operation prevents safety fuel cut-offs triggered by torque-increasing errors, maintaining throttle response.

Dynamic induction valve control balances condensate reduction against engine knock by adjusting intake air temperature based on real-time operating conditions.

An injector with five angled jets creates specific spray patterns that prevent cylinder wall and valve wetting while improving combustion efficiency.

A conductive honeycomb heater displays resistance and thermal metrics via a circumferential coating layer for direct monitoring.

Model predictive control modules segment multivariable interactions to reduce system complexity while maintaining emissions precision.

A vehicle computer manages powertrain torque to enable obstacle climbing without overheating electric components.

A pre-combustion chamber injects and ignites gaseous fuel to expel a flaming jet into the main combustion space.

A variable cam timing phaser stabilizes position control by routing hydraulic fluid through a detent circuit when system oil pressure drops below a threshold.

Independent EGR flow paths with selective cooling bypass resolve the trade-off between emission reduction and combustion temperature stability.

A dynamic oxidation catalyst adjusts its activation threshold based on engine speed to oxidize unburned fuel during diesel particulate filter regeneration.

Electric heater adds thermal energy to exhaust stream, raising temperature above 190°C for efficient NOx conversion without increasing fuel consumption.

A vehicle control system adjusts engine torque limits based on coolant temperature to maintain stable operation in Eco-mode.

A controller calculates condensed water volume in an engine intake passage by subtracting saturated vapor from total moisture amounts.

An ejector amplifies pressure signals in the purge passage, enabling reliable deviation detection during supercharging.

A fuel injection control apparatus stabilizes cylinder valve pressure via a high pressure supply pump.

Heating a second fuel fraction to over 100°C before cylinder injection modifies reactivity for precise combustion timing.

Segmented controllers and feedforward compensation handle inert matter variations during transient events to maintain precise air-fuel ratios.

A fuel control module adjusts injection parameters to optimize air-fuel mixing and reduce diffusion flames during engine operation.

A laser ignition device vaporizes liquid fuel in flooded engine cylinders to dry spark plugs without removing components.

Sequential heating devices maintain optimal temperatures for selective catalytic reduction, ensuring complete urea decomposition and nitrogen oxide conversion.

Post-propagation liquid injection controls combustion timing, reducing nitrogen oxides and uncombusted hydrocarbons.

A controller determines a vehicle speed threshold to prevent clutch burst by commanding the anti-lock braking system to apply brakes.

Electronic control device decomposes knock sensor signals using short-time Fourier transform and non-negative matrix factorization.

A fuel injector control device detects individual differences using solenoid coil voltage signals without additional sensors.

Calculating EGR flow sensitivity adjusts the valve opening rate in real time, resolving feedback interference and ensuring precise exhaust gas flux control.

A control system estimates intake air parameters and corrects exhaust gas recirculation flow rates for internal combustion engines.

A fuel delivery system uses ultrasonic transducers and capacitance sensors to measure dielectric constant and density for real-time control.

Dual-mode NOx trap purging uses oxygen probe richness signals to control fuel injection timing and duration for complete catalyst emptying.

A control method applies a polarization charge to a piezoelectric actuator during the opening phase of a fuel injector.

Parallel dual turbo arrangements control compressor speed to avoid surge lines, enabling high lambda hydrogen combustion with reduced back pressure.