Control system and method for a power delivery system having a continuously variable ratio transmission
Abstract
A control system and method for a power delivery system, such as in an automotive vehicle, having an engine coupled to a continuously variable ratio transmission (CVT). Totally independent control of engine and transmission enable the engine to precisely follow a desired operating characteristic, such as the ideal operating line for minimum fuel consumption. CVT ratio is controlled as a function of commanded power or torque and measured load, while engine fuel requirements (e.g., throttle position) are strictly a function of measured engine speed. Fuel requirements are therefore precisely adjusted in accordance with the ideal characteristic for any load placed on the engine. 4 figs.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 7151779
- Patent Number(s):
- 4458561
- Application Number:
- PPN: US 6-380921
- Assignee:
- PTO; EDB-94-123819
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 21 May 1982
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 33 ADVANCED PROPULSION SYSTEMS; AUTOMOBILES; MECHANICAL TRANSMISSIONS; AUGMENTATION; ENERGY DEMAND; FUEL CONSUMPTION; PERFORMANCE; DEMAND; ENERGY CONSUMPTION; MACHINE PARTS; VEHICLES; 330602* - Vehicle Design Factors- Engine-Transmission Matching
Citation Formats
Frank, A A. Control system and method for a power delivery system having a continuously variable ratio transmission. United States: N. p., 1984.
Web.
Frank, A A. Control system and method for a power delivery system having a continuously variable ratio transmission. United States.
Frank, A A. Tue .
"Control system and method for a power delivery system having a continuously variable ratio transmission". United States.
@article{osti_7151779,
title = {Control system and method for a power delivery system having a continuously variable ratio transmission},
author = {Frank, A A},
abstractNote = {A control system and method for a power delivery system, such as in an automotive vehicle, having an engine coupled to a continuously variable ratio transmission (CVT). Totally independent control of engine and transmission enable the engine to precisely follow a desired operating characteristic, such as the ideal operating line for minimum fuel consumption. CVT ratio is controlled as a function of commanded power or torque and measured load, while engine fuel requirements (e.g., throttle position) are strictly a function of measured engine speed. Fuel requirements are therefore precisely adjusted in accordance with the ideal characteristic for any load placed on the engine. 4 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 10 00:00:00 EDT 1984},
month = {Tue Jul 10 00:00:00 EDT 1984}
}
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