Internal-Combustion Engine Testing TRIZ Cases
- Exhaust Gas Catalytic Converter Monitoring Without NH3 Sensors
Comparing NH3 values and catalytic converter efficiency at different metering rates enables sensor-free exhaust monitoring.
- Engine Starting System Monitoring for Early Degradation Detection
Machine-learning analysis of crank time, battery voltage, and ambient temperature flags degradation early for proactive engine service.
- Engine Pre-Turbine Pressure Estimation Without Harsh Exhaust Sensors
A normalized turbine-power model estimates exhaust pre-turbine pressure without direct sensor exposure, supporting engine control and failure backup.
- Internal Combustion Engine Control for Delayed Combustion
A controller uses combustion signals to identify abnormal cycles and adjust fueling for selected cylinders before further engine damage occurs.