CONTROL SYSTEM AND METHOD FOR TRANSMISSION SOLENOIDS
First Claim
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1. A current control output (CCO) system for transmission solenoids, comprising:
- a current determination module that determines a desired current for the solenoids based on a desired pressure;
a current compensation module that generates a compensated current by adjusting the desired current based on a system pressure and a temperature of oil in the transmission; and
a current control module that performs current-based control of and applies hysteresis to the solenoids based on the compensated current.
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Abstract
A current control output (CCO) system for transmission solenoids includes a current determination module, a current compensation module, and a current control module. The current determination module determines a desired current for the solenoids based on a desired pressure. The current compensation module generates a compensated current by adjusting the desired current based on a system pressure and a temperature of oil in the transmission. The current control module performs current-based control of and applies hysteresis to the solenoids based on the compensated current.
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Citations
20 Claims
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1. A current control output (CCO) system for transmission solenoids, comprising:
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a current determination module that determines a desired current for the solenoids based on a desired pressure; a current compensation module that generates a compensated current by adjusting the desired current based on a system pressure and a temperature of oil in the transmission; and a current control module that performs current-based control of and applies hysteresis to the solenoids based on the compensated current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A current control method for transmission solenoids, comprising:
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determining a desired current for the solenoids based on a desired pressure; generating a compensated current by adjusting the desired current based on a system pressure and a temperature of oil in the transmission; and performing current-based control of and applying hysteresis to the solenoids based on the compensated current. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification