FAST RESPONSE SELF OPTIMIZING SPARK IGNITED INTERNAL COMBUSTION ENGINE
A double closed-loop control (DCL) controls simultaneously the charge composition for minimum brake specific fuel consumption (BSFC) and the co-related ignition timing over the speed load range considering all varying parameters like octane requirement increase (ORI), all interesting temperatures, such as exhaust valve, piston deck, engine oil and water etc., fuel variables such as CHO ratio, RON, MON, density and viscosity, ambient conditions such as humidity and altitude, general engine conditions such as spark plug erosion etc., utilizing basically only one extra sensor and control means. Still the same means serve as preknock detecting and control. The arrival of the flame front in the end gas area controls cycle by cycle the best ignition timing. The jitter amplitude in flame front arrivals at the same flame front sensor (FFS) controls the A/F and/or EGR ratio.
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Supplemental Notes:
- ISATA 83. Volume 1. International Symposium on Automotive Technology and Automation with particular reference to Electronics and Energy Saving in the Automotive Industries: Product and Process, Cologne, 19-23 September 1983.
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Corporate Authors:
Automotive Automotion Limited
42 Lloyd Park Avenue
Croydon CRO 5SB, Surrey, EnglandFord Werke AG
, Germany -
Authors:
- May, M G
- Conference:
- Publication Date: 1983
Media Info
- Features: Figures;
- Pagination: p. 69-98
Subject/Index Terms
- TRT Terms: Electronic control; Feedback control; Fuel consumption; Internal combustion engines; Loops (Control systems); Spark ignition engines
- Uncontrolled Terms: Ignition timing
- Subject Areas: Energy; Safety and Human Factors;
Filing Info
- Accession Number: 00393091
- Record Type: Publication
- Source Agency: National Highway Traffic Safety Administration
- Report/Paper Numbers: Proceeding, HS-037 234, HS-037 235
- Files: HSL, USDOT
- Created Date: Mar 29 1985 12:00AM