METHOD OF CONTROLLING A CONTINUOUSLY VARIABLE TRANSMISSION
A method for controlling a continuously variable ratio transmission is described. The method may include controlling a continuously variable ratio unit ("variator") having rotary input and output members through which the variator is coupled between an engine and a driven component, the va...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
21.12.2005
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | A method for controlling a continuously variable ratio transmission is described. The method may include controlling a continuously variable ratio unit ("variator") having rotary input and output members through which the variator is coupled between an engine and a driven component, the variator receiving a primary control signal and being constructed and arranged to exert upon its input and output members torques which correspond directly to the control signal. The method may also include determining a target engine acceleration, determining settings of the variator's primary control signal and of an engine torque control for providing the required engine acceleration and adjusting the control signal and/or the engine torque control based on these settings, predicting a consequent engine speed change, allowing for engine and/or transmission characteristics, and correcting the settings of the control signal and engine torque based on a comparison of actual and predicted engine speeds. |
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AbstractList | A method for controlling a continuously variable ratio transmission is described. The method may include controlling a continuously variable ratio unit ("variator") having rotary input and output members through which the variator is coupled between an engine and a driven component, the variator receiving a primary control signal and being constructed and arranged to exert upon its input and output members torques which correspond directly to the control signal. The method may also include determining a target engine acceleration, determining settings of the variator's primary control signal and of an engine torque control for providing the required engine acceleration and adjusting the control signal and/or the engine torque control based on these settings, predicting a consequent engine speed change, allowing for engine and/or transmission characteristics, and correcting the settings of the control signal and engine torque based on a comparison of actual and predicted engine speeds. |
Author | BURKE, MATTHEW PIERS MURRAY, STEPHEN WILLIAM FIELD, MATTHEW GIBSON |
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DocumentTitleAlternate | PROCEDE DE COMMANDE D'UNE TRANSMISSION A CHANGEMENT DE VITESSES CONTINU VERFAHREN ZUR STEUERUNG EINES STUFENLOSEN GETRIEBES |
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RelatedCompanies | TOROTRAK (DEVELOPMENT) LIMITED |
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Snippet | A method for controlling a continuously variable ratio transmission is described. The method may include controlling a continuously variable ratio unit... |
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SubjectTerms | BLASTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS |
Title | METHOD OF CONTROLLING A CONTINUOUSLY VARIABLE TRANSMISSION |
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