System, method, and apparatus for controlling power output distribution in a hybrid power train
First Claim
1. A method, comprising:
- determining a machine shaft torque demand and a machine shaft speed;
in response to the machine shaft torque demand and the machine shaft speed, determining a machine power demand;
determining a hybrid power train configuration of an internal combustion engine, a first electrical torque provider, and a second electrical torque provider as one of series and parallel;
determining a baseline power division description among the hybrid power train configuration in response to a vehicle speed and the machine power demand;
determining a state-of-charge (SOC) deviation for an electrical energy storage device, wherein the electrical energy storage device is electrically coupled to the first electrical torque provider and the second electrical torque provider; and
adjusting the baseline power division description in response to the SOC deviation and the hybrid power train configuration.
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Accused Products
Abstract
A method includes determining a machine shaft torque demand and a machine shaft speed, in response to the machine shaft torque demand and the machine shaft speed, determining a machine power demand, determining a power division description between an internal combustion engine, a first electrical torque provider, and a second electrical torque provider, determining a hybrid power train configuration as one of series and parallel, determining a baseline power division description in response to a vehicle speed and the machine power demand, determining a state-of-charge (SOC) deviation for an electrical energy storage device electrically coupled to the first electrical torque provider and the second electrical torque provider, and adjusting the baseline power division description in response to the SOC deviation and the hybrid power train configuration.
73 Citations
33 Claims
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1. A method, comprising:
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determining a machine shaft torque demand and a machine shaft speed; in response to the machine shaft torque demand and the machine shaft speed, determining a machine power demand; determining a hybrid power train configuration of an internal combustion engine, a first electrical torque provider, and a second electrical torque provider as one of series and parallel; determining a baseline power division description among the hybrid power train configuration in response to a vehicle speed and the machine power demand; determining a state-of-charge (SOC) deviation for an electrical energy storage device, wherein the electrical energy storage device is electrically coupled to the first electrical torque provider and the second electrical torque provider; and adjusting the baseline power division description in response to the SOC deviation and the hybrid power train configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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determining a machine power demand; determining a clutch position comprising one of engaged and disengaged, the clutch interposed between a first electrical torque provider on a first side of the clutch and an internal combustion engine and a second electrical torque provider on a second side of the clutch; determining a baseline power division description between a hybrid power train including the internal combustion engine, the first electrical torque provider, and a second electrical torque provider in response to a vehicle speed and the machine power demand; determining a state-of-charge (SOC) deviation for an electrical energy storage device, wherein the electrical energy storage device is electrically coupled to the first electrical torque provider and the second electrical torque provider; and adjusting the baseline power division description in response to the SOC deviation and one of a parallel configuration and a series configuration of the hybrid power train. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method, comprising:
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determining a machine shaft torque demand and a machine shaft speed; in response to the machine shaft torque demand and the machine shaft speed, determining a machine power demand; determining a hybrid power train configuration of an internal combustion engine, a first electrical torque provider, and a second electrical torque provider as one of series and parallel; determining a baseline power division description among the hybrid power train configuration in response to a vehicle speed and the machine power demand; determining a state-of-charge (SOC) deviation for an electrical energy storage device, wherein the electrical energy storage device is electrically coupled to the first electrical torque provider and the second electrical torque provider, wherein the determining the SOC deviation for the electrical energy storage device comprises determining a difference between a present SOC and a target SOC; and adjusting the baseline power division description in response to the SOC deviation and the hybrid power train configuration. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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Specification