CONTROL ARCHITECTURE FOR OUTPUT TORQUE SHAPING AND MOTOR TORQUE DETERMINATION FOR A HYBRID POWERTRAIN SYSTEM
First Claim
1. Method for controlling a powertrain system including a transmission device operative to transfer power between an input member and a plurality of torque machines and an output member, the torque machines connected to an energy storage device and the transmission device operative in one of a plurality of operating range states, the method comprising:
- monitoring available power from the energy storage device;
determining system constraints;
determining constraints on an output torque to the output member based upon the system constraints and the available power from the energy storage device;
determining an operator torque request;
determining an output torque command based upon the constraints on the output torque and the operator torque request; and
determining preferred torque commands for each of the torque machines based upon the output torque command.
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Accused Products
Abstract
A powertrain system includes a transmission device operative to transfer power between an input member and a plurality of torque machines and an output member. The torque machines are connected to an energy storage device and the transmission device is operative in one of a plurality of operating range states. A method for controlling the powertrain system includes monitoring available power from the energy storage device, determining system constraints, determining constraints on an output torque to the output member based upon the system constraints and the available power from the energy storage device, determining an operator torque request, determining an output torque command based upon the constraints on the output torque and the operator torque request, and determining preferred torque commands for each of the torque machines based upon the output torque command.
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Citations
20 Claims
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1. Method for controlling a powertrain system including a transmission device operative to transfer power between an input member and a plurality of torque machines and an output member, the torque machines connected to an energy storage device and the transmission device operative in one of a plurality of operating range states, the method comprising:
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monitoring available power from the energy storage device; determining system constraints; determining constraints on an output torque to the output member based upon the system constraints and the available power from the energy storage device; determining an operator torque request; determining an output torque command based upon the constraints on the output torque and the operator torque request; and determining preferred torque commands for each of the torque machines based upon the output torque command. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Method for controlling a powertrain system including a transmission device operative to transfer power between an input member and a plurality of torque machines and an output member, the torque machines connected to an energy storage device and the transmission device operative in one of a plurality of operating range states by selectively applying torque transfer clutches, the method comprising:
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monitoring the input member; determining system inputs and system constraints; monitoring available power from the energy storage device; determining a present operating range state for the transmission device; determining constraints on an output torque transferred to the output member based upon the system inputs, the system constraints and the available power from the energy storage device; determining an operator torque request; determining an output torque command based upon the constraints on the output torque and the operator torque request; and determining preferred torque commands for each of the torque machines based upon the commanded output torque. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. Method for controlling a powertrain system including an electro-mechanical transmission device operative to transfer power between an input member and first and second electric machines and an output member, the first and second electric machines connected to an energy storage device and the transmission device operative in one of a plurality of operating range states by selectively applying torque transfer clutches, the method comprising:
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determining motor torque constraints and reactive torque constraints for applied torque transfer clutches; determining available power from the energy storage device; determining constraints on an output torque based upon the motor torque constraints, and the reactive torque constraints for the applied torque transfer clutches and the available power from the energy storage device; determining an operator torque request; determining an output torque command based upon the constraints on the output torque and the operator torque request; and determining preferred torque commands for each of the torque machines based upon the commanded output torque. - View Dependent Claims (17, 18, 19, 20)
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Specification