Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split

Gupta, Rohinish; Dickson, Jonathan A.; Follen, Kenneth M.; Chunodkar, Apurva Arvind; Thunga Gopal, Arun Prakash; Narula, Manik

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Title: Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split

Abstract

The enclosed disclosure relates to hybrid vehicles and systems with an engine, a drivetrain with a clutch and a transmission, an electric machine, and a controller. The controller receives lookahead information within a lookahead window and present state information of the hybrid vehicle. The controller determines a predicted coasting opportunity exceeding a predetermined threshold within the lookahead window and determines a cruise control reference speed, a power split between the engine and the electric machine, and a timing of enabling engine-off coasting during the coasting opportunity. The controller deactivates the engine and disengages the clutch at a start of the coasting opportunity when the engine-off coasting is enabled.

Inventors:: Gupta, Rohinish; Dickson, Jonathan A.; Follen, Kenneth M.; Chunodkar, Apurva Arvind; Thunga Gopal, Arun Prakash; Narula, Manik

Issue Date:: 2023-08-08

Research Org.:: Cummins Inc., Columbus, IN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 2222059

Patent Number(s):: 11718298

Application Number:: 17/075,826

Assignee:: CUMMINS INC. (Columbus, IN)

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
B60K6/387 - Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
B60K6/48 - Parallel type

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W10/02 - including control of driveline clutches
B60W10/06 - including control of combustion engines
B60W10/08 - including control of electric propulsion units, e.g. motors or generators
B60W10/11 - Stepped gearings
B60W20/12 - using control strategies taking into account route information {
B60W20/15 - Control strategies specially adapted for achieving a particular effect
B60W20/40 - Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers {
B60W2030/1809 - {Without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral}
B60W2510/0208 - Clutch engagement state, e.g. engaged or disengaged
B60W2510/244 - Charge state
B60W2552/15 - Road slope
B60W2552/20 - Road profile
B60W2555/20 - Ambient conditions, e.g. wind or rain
B60W2555/60 - Traffic rules, e.g. speed limits or right of way
B60W2556/45 - External transmission of data to or from the vehicle
B60W2710/1005 - Transmission ratio engaged
B60W30/143 - {Speed control
B60W30/18127 - {Regenerative braking}
B60W40/06 - Road conditions
B60W40/105 - Speed

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/60 - Other road transportation technologies with climate change mitigation effect
Y02T10/62 - Hybrid vehicles

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DOE Contract Number:: EE0007761

Resource Type:: Patent

Resource Relation:: Patent File Date: 10/21/2020

Country of Publication:: United States

Language:: English

Citation Formats


                    Gupta, Rohinish, Dickson, Jonathan A., Follen, Kenneth M., Chunodkar, Apurva Arvind, Thunga Gopal, Arun Prakash, and Narula, Manik. Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split.  United States: N. p., 2023. 
        Web.

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                    Gupta, Rohinish, Dickson, Jonathan A., Follen, Kenneth M., Chunodkar, Apurva Arvind, Thunga Gopal, Arun Prakash, & Narula, Manik. Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split.  United States.

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                    Gupta, Rohinish, Dickson, Jonathan A., Follen, Kenneth M., Chunodkar, Apurva Arvind, Thunga Gopal, Arun Prakash, and Narula, Manik. Tue .  
        "Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split".  United States.  https://www.osti.gov/servlets/purl/2222059.

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@article{osti_2222059,

  title        = {Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split},

  author       = {Gupta, Rohinish and Dickson, Jonathan A. and Follen, Kenneth M. and Chunodkar, Apurva Arvind and Thunga Gopal, Arun Prakash and Narula, Manik},

  abstractNote = {The enclosed disclosure relates to hybrid vehicles and systems with an engine, a drivetrain with a clutch and a transmission, an electric machine, and a controller. The controller receives lookahead information within a lookahead window and present state information of the hybrid vehicle. The controller determines a predicted coasting opportunity exceeding a predetermined threshold within the lookahead window and determines a cruise control reference speed, a power split between the engine and the electric machine, and a timing of enabling engine-off coasting during the coasting opportunity. The controller deactivates the engine and disengages the clutch at a start of the coasting opportunity when the engine-off coasting is enabled.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2023},

  month        = {8}

}

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