System and method for controlling a brake motor
First Claim
1. A method for controlling a brake motor, the method comprising:
- receiving brake motor information;
determining a first brake motor voltage value and a brake motor current value based on the motor information when the brake motor is active;
determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value;
determining a brake motor temperature value based on the determined brake motor resistance value;
producing a brake motor control signal based on the determined brake motor temperature value;
determining a second brake motor voltage value when the brake motor is inactive; and
producing a motor diagnostic voltage value based on the determined second brake motor voltage value.
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Accused Products
Abstract
The present invention includes a method for controlling brake motor. The method includes receiving brake motor information, determining a first brake motor voltage value and a brake motor current value based on the motor information when the brake motor is active, determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value, determining a brake motor temperature value based on the determined brake motor resistance value, and producing a brake motor control signal based on the determined brake motor temperature value. The method may additionally include determining a second brake motor voltage value when the brake motor is inactive, and producing a motor diagnostic voltage value based on the determined second brake motor voltage value.
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Citations
4 Claims
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1. A method for controlling a brake motor, the method comprising:
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receiving brake motor information;
determining a first brake motor voltage value and a brake motor current value based on the motor information when the brake motor is active;
determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value;
determining a brake motor temperature value based on the determined brake motor resistance value;
producing a brake motor control signal based on the determined brake motor temperature value;
determining a second brake motor voltage value when the brake motor is inactive; and
producing a motor diagnostic voltage value based on the determined second brake motor voltage value.
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2. A method for controlling a brake motor, the method comprising:
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receiving brake motor information;
determining a first brake motor voltage value and a brake motor current value based on the motor information when the brake motor is active;
determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value;
determining a brake motor temperature value based on the determined brake motor resistance value; and
producing a brake motor control signal based on the determined brake motor temperature value;
wherein determining the first brake motor voltage value comprises;
determining a first and a second active phase brake motor voltage values of the brake motor; and
determining an absolute value of the difference of the first and the second active phase brake motor voltage values.
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3. A computer readable medium storing a computer program comprising:
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computer readable code for determining a first brake motor voltage value and a brake motor current value based on motor information when a brake motor is active;
computer readable code for determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value;
computer readable code for determining a brake motor temperature value based on the determined brake motor resistance value;
computer readable code for producing a brake motor control signal based on the determined brake motor temperature value;
computer readable code for determining a second brake motor voltage value when the brake motor is inactive; and
computer readable code for producing a motor diagnostic voltage value based on the determined second brake motor voltage value.
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4. A computer readable medium storing a computer program comprising:
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computer readable code for determining a first brake motor voltage value and a brake motor current value based on motor information when a brake motor is active;
computer readable code for determining a brake motor resistance value based on the first brake motor voltage value and the brake motor current value;
computer readable code for determining a brake motor temperature value based on the determined brake motor resistance value; and
computer readable code for producing a brake motor control signal based on the determined brake motor temperature value;
wherein the computer readable code for determining the first brake motor voltage value comprises;
computer readable code for determining a first and a second active phase brake motor voltage values of brake motor; and
computer readable code for determining an absolute value of the difference of the first and the second active phase brake motor voltage values.
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Specification