Ford Global Technolgoies, LLC

Ford Motor Company Limited

Liwen Xu

Aaron Lewis Mills

Gerald H Engelman

Samir Mohamad Beydoun

Jianbo Lu

Keith Glenn Mattson

Michael W Degner

Daniel Richard Luedtke

Rimma Isayeva

Chang-jiang Wang

Systems, apparatus, and methods detect a current sensor error in an FOC electric machine system. A voltage command is monitored to detect the presence of an ac component that indicates that an error has occurred at a current sensor. For example, a sensor fault detection module can be configured to determine the deviation between an actual voltage command and an ideal voltage command to provide a complex deviation vector. By transforming the deviation vector to a reference frame rotating at the fundamental frequency of the command voltage, a dc component of the positive and negative sequences can be filtered, and their amplitudes determined. Error detection can be based on the total amplitude of the fundamental component, determined by positive and negative component amplitudes. Sensor error detection enables an FOC system to operate with two current sensors, rather than three, and provides a dedicated fault diagnostic for a current sensor.

Detection method of current sensor faults in the e-drive system by using the voltage command error

A roll stability control system for an automotive vehicle includes an external environment sensing system, such as a camera-based vision system, or a radar, lidar or sonar-based sensing system that generates image, radar, lidar, and/or sonar-based signals. A controller is coupled to the sensing system and generates dynamic vehicle characteristic signals in response to the image, radar, lidar, or sonar-based signals. The controller controls the rollover control system in response to the dynamic vehicle control signal. The dynamic vehicle characteristics may include roll related angles, angular rates, and various vehicle velocities.

Roll stability control system for an automotive vehicle using an external environmental sensing system

A roll stability control system () for an automotive vehicle () includes an external environment sensing system, such as a camera-based vision system, or a radar, lidar or sonar-based sensing system () that generates image, radar, lidar, and/or sonar-based signals. A controller () is coupled to the sensing system and generates dynamic vehicle characteristic signals in response to the image, radar, lidar, or sonar-based signals. The controller controls the rollover control system () in response to the dynamic vehicle control signal. The dynamic vehicle characteristics may include roll related angles, angular rates, and various vehicle velocities.

A turn signal system includes at least one sensor detecting road markers and generating therefrom road marker signals. A turn signal deactivates in response to a control command generated by a controller. The controller receives the road marker signals, and determines at least one of whether the system is undergoing a turning condition or has completed the turning condition from the road marker signals. The controller generates the control command when the system has completed the turning condition. A redundancy system verifies the control command.

Vehicle turn signal system

A multipurpose sensing system () for a vehicle () includes an optic () that is directed at multiple viewing areas (). A vision sensor () is coupled to the optic () and generates multiple object detection signals corresponding to the viewing areas (). A controller () is coupled to the vision sensor () and generates multiple safety system signals in response to the object detection signals.

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Southfield, MI, United States of America

Liwen Xu