METHOD FOR PREFERENTIAL SELECTION OF MODES AND GEAR WITH INERTIA EFFECTS FOR A HYBRID POWERTRAIN SYSTEM
First Claim
1. Method for controlling a powertrain system including an engine coupled to an input member of a transmission device including torque generating machines and an energy storage device connected thereto, the hybrid transmission operative to transfer power between the input member and an output member and the torque generating machines and selectively operative in one of a plurality of operating range states, the method comprising:
- monitoring an operator torque request and a rotational speed of the output member;
determining inertial effects of the transmission;
determining motor torque outputs from the torque generating machines and an input torque from the engine based upon the inertial effects; and
selecting a preferred operating range state and a preferred input speed of the input member based upon the operator torque request and the inertial effects.
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0 Petitions
Accused Products
Abstract
A method for controlling a hybrid powertrain system selectively operative in one of a plurality of operating range states including an engine includes monitoring an operator torque request and a rotational speed of the output member, determining inertial effects of the transmissions, determining motor torque outputs from the electrical machines and an engine based upon the inertial effects, and selecting a preferred operating range state and a preferred input speed from the engine to the transmission based upon the operator torque request and the inertial effects.
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Citations
21 Claims
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1. Method for controlling a powertrain system including an engine coupled to an input member of a transmission device including torque generating machines and an energy storage device connected thereto, the hybrid transmission operative to transfer power between the input member and an output member and the torque generating machines and selectively operative in one of a plurality of operating range states, the method comprising:
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monitoring an operator torque request and a rotational speed of the output member; determining inertial effects of the transmission; determining motor torque outputs from the torque generating machines and an input torque from the engine based upon the inertial effects; and selecting a preferred operating range state and a preferred input speed of the input member based upon the operator torque request and the inertial effects. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. Method for controlling a powertrain system including an engine coupled to an input member of an electro-mechanical transmission device including electric machines and an energy storage device connected thereto, the electro-mechanical transmission device operative to transfer power between an input member and an output member and the electric machines and selectively operative in one of a plurality of operating range states, the method comprising:
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monitoring an operator torque request and a rotational speed of the output member; determining an inertial effect of the output member based upon the rotational speed of the output member; determining an inertial effect of the input member; determining motor torque outputs from the electrical machines and an engine based upon the inertial effects; and selecting a preferred operating range state based upon the operator torque request and the inertial effects. - View Dependent Claims (14, 15, 16, 17)
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18. Method for controlling a powertrain system including an engine coupled to an input member of an electro-mechanical transmission device including electric machines and an energy storage device connected thereto, the electro-mechanical transmission device operative to transfer power between an input member and an output member and the electric machines and selectively operative in one of a plurality of operating range states, the method comprising:
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monitoring an operator torque request and a rotational speed of the output member; determining an inertial effect of the output member based upon the rotational speed of the output member; determining an inertial effect of the input member; determining motor torque outputs from the electrical machines and an engine based upon the inertial effects; and selecting a preferred input speed from the engine to the transmission based upon the operator torque request and the inertial effects. - View Dependent Claims (19, 20, 21)
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Specification