Method and apparatus for controlling battery charging in a hybrid electric vehicle

Title: Method and apparatus for controlling battery charging in a hybrid electric vehicle

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Abstract

A starter/alternator system (24) for hybrid electric vehicle (10) having an internal combustion engine (12) and an energy storage device (34) has a controller (30) coupled to the starter/alternator (26). The controller (30) has a state of charge manager (40) that monitors the state of charge of the energy storage device. The controller has eight battery state-of-charge threshold values that determine the hybrid operating mode of the hybrid electric vehicle. The value of the battery state-of-charge relative to the threshold values is a factor in the determination of the hybrid mode, for example; regenerative braking, charging, battery bleed, boost. The starter/alternator may be operated as a generator or a motor, depending upon the mode.

Inventors:

Phillips, Anthony Mark ^[1]; Blankenship, John Richard ^[2]; Bailey, Kathleen Ellen ^[2]; Jankovic, Miroslava ^[3]

Northville, MI
Dearborn, MI
Birmingham, MI

Issue Date:: 2003-06-24

Research Org.:: National Renewable Energy Lab. (NREL), Golden, CO (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 958093

Patent Number(s):: 6583599

Application Number:: 09/705,501; TRN: US201002%%316

Assignee:: Ford Global Technologies, Inc. (Dearborn, MI)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60K - ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION

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B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60K - ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES
B60K6/485 - Motor-assist type

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W10/08 - including control of electric propulsion units, e.g. motors or generators

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/62 - Hybrid vehicles

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W20/00 - Control systems specially adapted for hybrid vehicles {
B60W2510/244 - Charge state

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
B60L58/10 - for monitoring or controlling batteries

H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
H02J7/1461 - {with safety or indicationg devices}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/70 - Energy storage for electromobility

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W20/13 - in order to stay within battery power input or output limits
B60W10/26 - for electrical energy, e.g. batteries or capacitors

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DOE Contract Number:: AC36-83CH10093

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 25 ENERGY STORAGE; 33 ADVANCED PROPULSION SYSTEMS; BATTERY CHARGING; ENERGY STORAGE; INTERNAL COMBUSTION ENGINES; MONITORS; REGENERATIVE BRAKING

Citation Formats


                    Phillips, Anthony Mark, Blankenship, John Richard, Bailey, Kathleen Ellen, and Jankovic, Miroslava. Method and apparatus for controlling battery charging in a hybrid electric vehicle.  United States: N. p., 2003. 
        Web.

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                    Phillips, Anthony Mark, Blankenship, John Richard, Bailey, Kathleen Ellen, & Jankovic, Miroslava. Method and apparatus for controlling battery charging in a hybrid electric vehicle.  United States.

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                    Phillips, Anthony Mark, Blankenship, John Richard, Bailey, Kathleen Ellen, and Jankovic, Miroslava. Tue .  
        "Method and apparatus for controlling battery charging in a hybrid electric vehicle".  United States.  https://www.osti.gov/servlets/purl/958093.

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@article{osti_958093,

  title        = {Method and apparatus for controlling battery charging in a hybrid electric vehicle},

  author       = {Phillips, Anthony Mark and Blankenship, John Richard and Bailey, Kathleen Ellen and Jankovic, Miroslava},

  abstractNote = {A starter/alternator system (24) for hybrid electric vehicle (10) having an internal combustion engine (12) and an energy storage device (34) has a controller (30) coupled to the starter/alternator (26). The controller (30) has a state of charge manager (40) that monitors the state of charge of the energy storage device. The controller has eight battery state-of-charge threshold values that determine the hybrid operating mode of the hybrid electric vehicle. The value of the battery state-of-charge relative to the threshold values is a factor in the determination of the hybrid mode, for example; regenerative braking, charging, battery bleed, boost. The starter/alternator may be operated as a generator or a motor, depending upon the mode.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2003},

  month        = {6}

}

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