Method for controlling a motor vehicle powertrain

Burba, Joseph C; Landman, Ronald G; Patil, Prabhakar B; Reitz, Graydon A

Title: Method for controlling a motor vehicle powertrain

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Abstract

A multiple forward speed automatic transmission produces its lowest forward speed ratio when a hydraulic clutch and hydraulic brake are disengaged and a one-way clutch connects a ring gear to the transmission casing. Second forward speed ratio results when the hydraulic clutch is engaged to connect the ring gear to the planetary carrier of a second gear set. Reverse drive and regenerative operation result when an hydraulic brake fixes the planetary and the direction of power flow is reversed. Various sensors produce signals representing the position of the gear selector lever operated manually by the vehicle operator, the speed of the power source, the state of the ignition key, and the rate of release of an accelerator pedal. A control algorithm produces input data representing a commanded upshift, a commanded downshift and a torque command and various constant torque signals. A microprocessor processes the input and produces a response to them in accordance with the execution of a control algorithm. Output or response signals cause selective engagement and disengagement of the clutch and brake to produce the forward drive, reverse and regenerative operation of the transmission.

Inventors:

Burba, Joseph C ^[1]; Landman, Ronald G ^[1]; Patil, Prabhakar B ^[2]; Reitz, Graydon A ^[3]

Ypsilanti, MI
Detroit, MI
Farmington Hills, MI

Issue Date:: 1990-01-01

Research Org.:: Ford Motor Company, Detroit, MI (United States)

OSTI Identifier:: 867399

Patent Number(s):: 4928227

Assignee:: Ford Motor Company (Dearborn, MI)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION

F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16H - GEARING

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B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W30/1819 - {Propulsion control with control means using analogue circuits, relays or mechanical links}
B60W30/18 - Propelling the vehicle
B60W10/06 - including control of combustion engines

F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16H - GEARING
F16H61/0206 - {Layout of electro-hydraulic control circuits, e.g. arrangement of valves
F16H61/686 - with orbital gears

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60K - ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES
B60K1/00 - Arrangement or mounting of electrical propulsion units

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W10/04 - including control of propulsion units

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
B60L50/51 - characterised by AC-motors

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60W - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION
B60W10/11 - Stepped gearings

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

F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16H - GEARING
F16H61/0213 - {characterised by the method for generating shift signals}
F16H61/21 - Providing engine brake control

B - PERFORMING OPERATIONS B60 - VEHICLES IN GENERAL B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
B60L7/14 - for vehicles propelled by ac motors

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DOE Contract Number:: AC07-85NV10418

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; controlling; motor; vehicle; powertrain; multiple; forward; speed; automatic; transmission; produces; lowest; ratio; hydraulic; clutch; brake; disengaged; one-way; connects; gear; casing; results; engaged; connect; planetary; carrier; set; reverse; drive; regenerative; operation; result; fixes; direction; power; flow; reversed; various; sensors; produce; signals; representing; position; selector; lever; operated; manually; operator; source; ignition; key; rate; release; accelerator; pedal; control; algorithm; input; data; commanded; upshift; downshift; torque; command; constant; microprocessor; processes; response; accordance; execution; output; selective; engagement; disengagement; response signal; signals representing; speed ratio; forward speed; control algorithm; automatic transmission; motor vehicle; power source; gear set; data representing; input data; ratio results; produce signals; reverse drive; various sensors; hydraulic clutch; hydraulic brake; power flow; clutch connects; operation result; one-way clutch; multiple forward; vehicle powertrain; speed automatic; transmission produces; vehicle power; various sensor; lowest forward; constant torque; /701/180/318/

Citation Formats


                    Burba, Joseph C, Landman, Ronald G, Patil, Prabhakar B, and Reitz, Graydon A. Method for controlling a motor vehicle powertrain.  United States: N. p., 1990. 
        Web.

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                    Burba, Joseph C, Landman, Ronald G, Patil, Prabhakar B, & Reitz, Graydon A. Method for controlling a motor vehicle powertrain.  United States.

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                    Burba, Joseph C, Landman, Ronald G, Patil, Prabhakar B, and Reitz, Graydon A. Mon .  
        "Method for controlling a motor vehicle powertrain".  United States.  https://www.osti.gov/servlets/purl/867399.

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@article{osti_867399,

  title        = {Method for controlling a motor vehicle powertrain},

  author       = {Burba, Joseph C and Landman, Ronald G and Patil, Prabhakar B and Reitz, Graydon A},

  abstractNote = {A multiple forward speed automatic transmission produces its lowest forward speed ratio when a hydraulic clutch and hydraulic brake are disengaged and a one-way clutch connects a ring gear to the transmission casing. Second forward speed ratio results when the hydraulic clutch is engaged to connect the ring gear to the planetary carrier of a second gear set. Reverse drive and regenerative operation result when an hydraulic brake fixes the planetary and the direction of power flow is reversed. Various sensors produce signals representing the position of the gear selector lever operated manually by the vehicle operator, the speed of the power source, the state of the ignition key, and the rate of release of an accelerator pedal. A control algorithm produces input data representing a commanded upshift, a commanded downshift and a torque command and various constant torque signals. A microprocessor processes the input and produces a response to them in accordance with the execution of a control algorithm. Output or response signals cause selective engagement and disengagement of the clutch and brake to produce the forward drive, reverse and regenerative operation of the transmission.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1990},

  month        = {1}

}

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