PREDICTION STRATEGY FOR THERMAL MANAGEMENT AND PROTECTION OF POWER ELECTRONIC HARDWARE
First Claim
1. A method for managing thermal energy in a power electronics device for a hybrid powertrain system comprising an engine and an electric machine, the power electronics device including a plurality of electric circuit layers and a cooling system, the method comprising:
- monitoring a plurality of temperature sensors in the power electronics device;
monitoring electric power into and out of the power electronics device;
predicting temperatures for the plurality of electric circuit layers; and
controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers.
17 Assignments
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Accused Products
Abstract
A hybrid powertrain system includes an engine, an electric machine, a power electronics device including a plurality of electric circuit layers, and a cooling system. A method for managing thermal energy in the power electronics device includes monitoring a plurality of temperature sensors in the power electronics device, monitoring electric power into and out of the power electronics device, predicting temperatures for the plurality of electric circuit layers, and controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers.
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Citations
19 Claims
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1. A method for managing thermal energy in a power electronics device for a hybrid powertrain system comprising an engine and an electric machine, the power electronics device including a plurality of electric circuit layers and a cooling system, the method comprising:
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monitoring a plurality of temperature sensors in the power electronics device; monitoring electric power into and out of the power electronics device; predicting temperatures for the plurality of electric circuit layers; and controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for managing thermal energy in a power electronics device for a hybrid powertrain system comprising a plurality of torque generative devices, the power electronics device including a plurality of electric circuit layers and a cooling system, the method comprising:
- monitoring a plurality of temperature sensors in the power electronics device;
monitoring electric power into and out of the power electronics device;
predicting temperatures for the plurality of electric circuit layers;
controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers; andcontrolling the plurality of torque generative devices based upon the predicted temperatures for the plurality of electric circuit layers. - View Dependent Claims (18, 19)
- monitoring a plurality of temperature sensors in the power electronics device;
Specification