HIERARCHICAL CONTROL SYSTEM AND METHOD FOR A TANDEM AXLE DRIVE SYSTEM

A hierarchical control system and method for a tandem axle assembly (102) for a vehicle is provided. The hierarchical control system includes a controller at vehicle level an actuator (104), a shift controller (124) , and a sensor. The shift controller (124) is capable of placing the tandem axle ass...

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Bibliographische Detailangaben
Hauptverfasser:	NELLUMS, RICHARD, A, MARKYVECH, RONALD, K, JOSHI, SAMEER, A, WESOLOWSKI,STEVEN, J, SURIANARAYANAN,ANANTHAKRISHNAN, SMEDLEY, DANIEL, G, RENGANATHAN, SIDHARTH, KRISHNAN, SAJEEV,C
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A hierarchical control system and method for a tandem axle assembly (102) for a vehicle is provided. The hierarchical control system includes a controller at vehicle level an actuator (104), a shift controller (124) , and a sensor. The shift controller (124) is capable of placing the tandem axle assembly (102) in at least a first operating condition and a second operating condition using the actuator (104). In response to the sensor and an operating condition of at least one of a power source (108) and a transmission of a driveline (100) of the vehicle the shift controller adjusts a manner of placing the tandem axle assembly (102) in at least one of the first operating condition and the second operating condition. The hierarchical control system facilitates performing a shifting procedure in an automatic manner or as desired by an operator of the vehicle without excessively increasing a cost and a complexity of the tandem axle assembly.