Temperature dependent enhancement for brake-to-steer
AssigneesSteering Solutions IP Holding Corporation, Continental Automotive Systems, Inc.
InventorsAlex Jennings, Sarin Kodappully, Michael S. Wyciechowski, Iulian Ungureanu
Life of this patent
Estimating the term…
Abstract
A number of variations are disclosed including a computer program product and method of modifying brake-to-steer brake pressure commands, based on brake temperature, in real time as well as to create temperature dependent powertrain control and temperature dependent brake cooling.
Claims20
A computer program product comprising instructions executable by an electronic processor to carry out actions, comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least two brake temperature inputs;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input;
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- and
- generating at least one modified brake-to-steer brake command.
A computer program product comprising instructions executable by an electronic processor to carry out actions, comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least one brake temperature input;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input:
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- and
- generating at least one modified brake-to-steer brake command, and further comprising:
- applying the at least one brake pressure to torque scalar to at least one brake-to-steer powertrain command via a brake-to-steer powertrain adjustment function;
- and
- generating at least one scaled powertrain command.
A method comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least two brake temperature inputs;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input;
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- and
- generating at least one modified brake-to-steer brake command.
A method comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least one brake temperature input;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input;
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- and
- generating at least one modified brake-to-steer brake command, and further comprising:
- applying the at least one brake pressure to torque scalar to at least one brake-to-steer powertrain command via a brake-to-steer powertrain adjustment function;
- and
- generating at least one scaled powertrain command.
A computer program product comprising instructions executable by an electronic processor to carry out actions, comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least one brake temperature input;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input;
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- generating at least one modified brake-to-steer brake command comprising multiplying the at least one brake-to-steer brake command by the at least one brake derating scalar and the at least one brake pressure to torque scalar;
- applying the at least one modified brake-to-steer brake command to a vehicle braking system;
- applying the at least one brake pressure to torque scalar to at least one brake-to-steer powertrain command via a brake-to-steer powertrain adjustment function;
- generating at least one scaled powertrain command comprising multiplying the at least one brake-to-steer powertrain command by one over the at least one brake pressure to torque scalar;
- and
- applying the at least one scaled powertrain command to a vehicle propulsion system.
A computer program product comprising instructions executable by an electronic processor to carry out actions, comprising:
- determining at least one brake-to-steer brake command;
- communicating at least one brake temperature input to a brake-to-steer adjustment function and at least one brake pressure to torque scalar function;
- generating an arbitrated brake temperature data by arbitrating the at least one brake temperature input;
- generating at least one brake derating scalar based on arbitrated brake temperature data via a brake-to-steer brake derating logic function;
- generating at least one brake pressure to torque scalar based on the at least one brake temperature input;
- applying the at least one brake derating scalar and the at least one brake pressure to torque scalar to the at least one brake-to-steer brake command via a brake-to-steer brake derating logic function;
- generating at least one modified brake-to-steer brake command;
- and
- stopping the generating at least one modified brake-to-steer brake command when the arbitrated brake temperature data is at or above an upper threshold;
- and
- resuming the generating at least one modified brake-to-steer brake command when the arbitrated brake temperature data is at or below a lower threshold.
Dependencies are inferred from the claim text.