Invention Grant
US09322345B2 Electric actuator temperature estimation 有权
电动执行器温度估算

Electric actuator temperature estimation
Abstract:
Various methods for estimating electric actuator temperature during certain operational windows are provided. In one example, a method comprises adjusting an electric motor to position a wastegate at a desired wastegate position, while during selected conditions, deviating from the desired position by at least one full half-turn of the motor and indicating motor temperature based on winding resistance averaged over the full half-turn.
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