公开(公告)号：US20250065885A1

公开(公告)日：2025-02-27

申请号：US18454268

申请日：2023-08-23

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jason D. Fahland ,  Saurabh Kapoor ,  Kenneth William Lampert

IPC: B60W40/09 ,  B60W50/10

Abstract: Vehicles and related systems and methods are provided for assisting operation of a vehicle by enabling dynamic tuning of vehicle responsiveness. One method involves obtaining an auxiliary driver input indicative of an auxiliary driver command to influence responsiveness of the vehicle from an auxiliary human-machine interface device different from a primary human-machine interface device for receiving primary driver input indicative of a driver command to influence a trajectory of the vehicle. In response to the auxiliary driver input, a relationship between a vehicle state command and the driver input is adjusted based on the auxiliary driver input, wherein an actuator control system operates one or more actuators of the vehicle in accordance with the adjusted vehicle state command to influence the trajectory of the vehicle responsive to the primary driver input.

公开(公告)号：US10604197B2

公开(公告)日：2020-03-31

申请号：US15714072

申请日：2017-09-25

Applicant: GM Global Technology Operations LLC

Inventor： Samantha J. Bray ,  Timothy D. Demetrio ,  Philip C. Lundberg ,  Joshua R. Auden ,  Jason D. Fahland

IPC: B60R22/00 ,  E05F15/00 ,  G05D1/00 ,  G05D3/00 ,  G06F7/00 ,  G06F17/00 ,  B62D37/02 ,  B62D35/00 ,  G05B15/02 ,  F15D1/10 ,  G05D7/01

Abstract: Disclosed are downforce feedback systems for active aerodynamic devices, methods for making/using such systems, and vehicles equipped with a closed-loop downforce feedback system to govern operation of the vehicle's active aero device(s). A feedback control system for operating an active aerodynamic device of a motor vehicle includes one or more pressure sensors for detecting fluid pressures in one or more pneumatic or hydraulic actuators for moving the active aero device. A vehicle controller receives fluid pressure signals from these sensor(s), and calculates an actual downforce value from these signal(s). The controller retrieves a calibrated downforce value from mapped vehicle downforce data stored in memory, and determines if the actual downforce value differs from the calibrated value. If so, the controller determines a target position for a target downforce value for a current vehicle operating condition, and commands the actuator(s) to move the active aero device to the target position.

公开(公告)号：US10315710B2

公开(公告)日：2019-06-11

申请号：US15685664

申请日：2017-08-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jason D. Fahland ,  Joshua R. Auden ,  Olamide Akintewe

IPC: B62D35/00

Abstract: Disclosed are self-calibrating load sensor systems for active aerodynamics devices, methods for making or using such load sensor systems, and motor vehicles equipped with a self-calibrating load sensor system to govern operation of the vehicle's active aero device(s). An active aero sensing system includes a load sensor that mounts to the vehicle body, and detects downforces on the vehicle. A memory device stores mapped vehicle downforce data calibrated to the motor vehicle. A vehicle controller receives downforce signals generated by the load sensor, and calculates an average downforce value from these signals. The controller determines if the average downforce differs from a calibrated downforce value retrieved from the memory device. If so, the controller responsively applies an offset value to subsequent downforce signals received from the load sensor, and dynamically controls operation of the active aero device based, at least in part, on these signals modified by the offset value.

公开(公告)号：US10246139B2

公开(公告)日：2019-04-02

申请号：US15216238

申请日：2016-07-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Joshua R. Auden ,  Jason D. Fahland ,  David Dominguez ,  Edward T. Heil

IPC: B62D35/00 ,  B62D37/02

Abstract: A multi-wheeled vehicle employing an active aerodynamic control system is described. A method for controlling the vehicle and the active aerodynamic control system includes determining states of parameters related to ride and handling of the vehicle, and determining a current tractive effort based upon the states of parameters related to ride and handling of the vehicle. A desired tractive effort is determined based upon an operator desired acceleration, and an available tractive effort is determined based upon an available downforce transferable to the wheels from the active aerodynamic control system and downforces of the wheels. The active aerodynamic control system controls the downforce on one of the wheels to control the current tractive effort responsive to the desired tractive effort.

公开(公告)号：US20170158259A1

公开(公告)日：2017-06-08

申请号：US14959935

申请日：2015-12-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jason D. Fahland ,  Joshua R. Auden ,  David Dominguez

IPC: B62D35/00 ,  B62D37/02

CPC classification number: B62D35/005 ,  B60W2520/28 ,  B62D37/02

Abstract: A splitter system for a vehicle includes a splitter body having a first splitter body. The vehicle includes a vehicle body arranged along a longitudinal body axis and having a first vehicle body end configured to face oncoming ambient airflow. The splitter body is moveably mounted at the first vehicle body end and generates an aerodynamic downforce on the first vehicle body end when the vehicle is in motion. The splitter system also includes a mechanism configured to selectively translate the splitter body along the longitudinal body axis away from the first vehicle body end into the incident airflow and toward the first vehicle body end out of the incident airflow. The translation of the splitter body by the mechanism in turn adjusts the aerodynamic downforce generated by the splitter body on the first vehicle body end.

公开(公告)号：US20170088200A1

公开(公告)日：2017-03-30

申请号：US15093071

申请日：2016-04-07

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Edward T. Heil ,  Jason S. Rhee ,  Hualin Tan ,  Joshua R. Auden ,  Jason D. Fahland

IPC: B62D37/02 ,  B62D35/00

CPC classification number: B62D37/02 ,  B62D35/005 ,  B62D35/007

Abstract: A system is configured to control aerodynamics of a vehicle. The vehicle includes a body having a front end facing oncoming ambient airflow. The system includes a vehicle control device for receiving operator input to command a target vehicle dynamic response. A vehicle subsystem adjusts an actual vehicle dynamic response to the operator input. The system also includes an adjustable aerodynamic-aid element and a mechanism for varying the element's position to control movement of the airflow relative to the vehicle. At least one sensor detects the adjusted actual vehicle dynamic response and communicates a feedback signal indicative of the detected vehicle dynamic response to a controller. The controller also determines a target position for the aerodynamic-aid element using the detected adjusted actual vehicle dynamic response and regulates the aerodynamic-aid element to its target position via the mechanism to control the aerodynamics and achieve the target dynamic response of the vehicle.

公开(公告)号：US20240294163A1

公开(公告)日：2024-09-05

申请号：US18177344

申请日：2023-03-02

Applicant: GM Global Technology Operations LLC

Inventor： Saurabh Kapoor ,  Hassan Askari ,  Mustafa Hakan Turhan ,  SeyedAlireza Kasaiezadeh Mahabadi ,  Jason D. Fahland

IPC: B60W20/15 ,  B60W10/06 ,  B60W10/08 ,  B60W10/14

CPC classification number: B60W20/15 ,  B60W10/06 ,  B60W10/08 ,  B60W10/14 ,  B60W2720/26 ,  B60W2720/40

Abstract: A system to map control system configurations for vehicle torque actuators includes a control unit of a vehicle. A first torque actuator of a first power unit delivers torque to rear wheels of the vehicle, and a second torque actuator of a second power unit delivers torque to front wheels of the vehicle. Multiple input items are received by the control unit, including: multiple configurations; one or more operating points; multiple configuration classifications including: a torque constraint; a torque reference; and an enabling condition; and identification of one or more priority assignments. The priority assignments are applied to the configurations, the operating points and the configuration classifications to determine a control action as sensed vehicle operating conditions change. Individual ones of the configurations are mapped to a normalized torque split ratio.

公开(公告)号：US20190092402A1

公开(公告)日：2019-03-28

申请号：US15714510

申请日：2017-09-25

Applicant: GM Global Technology Operations LLC

Inventor： Jason D. Fahland ,  Joshua R. Auden

IPC: B62D35/00 ,  B60W30/02

Abstract: A splitter system for a vehicle having a vehicle body including a first vehicle body end configured to face oncoming ambient airflow when the vehicle is in motion includes first and second splitter portions. The first splitter portion is configured to be fixed to the vehicle body. The second splitter portion is mounted to the first splitter portion. The first and second splitter portions together are configured to generate an aerodynamic downforce on the vehicle body when the vehicle is in motion. The splitter system also includes a mechanism arranged between the first and second splitter portions. The mechanism is configured to vary position of the second splitter portion relative to the first splitter portion to thereby control movement of the oncoming ambient airflow relative to the vehicle body and vary a magnitude of the aerodynamic downforce.

公开(公告)号：US20190054962A1

公开(公告)日：2019-02-21

申请号：US15677644

申请日：2017-08-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Caleb J. Potvin ,  Jason D. Fahland

IPC: B62D35/00 ,  B62D37/02

Abstract: Disclosed are active variable-width aerodynamic spoiler assemblies, methods for making or for operating such active spoiler assemblies, and vehicles equipped with such active spoiler assemblies. A disclosed active spoiler assembly for modifying the aerodynamic performance of a motor vehicle includes a main body rigidly mounted to the vehicle body, extending transversely across the vehicle. The main body has an elongated construction with opposing longitudinal ends. First and second fins are each movably attached to a respective one of the opposing longitudinal ends of the main body. Also, first and second fin actuators are each attached to the vehicle body and attached to a respective one of the movable fins. The first fin actuator is selectively actuatable to independently move the first fin between respective retracted and extended positions, whereas the second fin actuator is selectively actuatable to independently move the second fin between respective retracted and extended positions.

公开(公告)号：US20190039663A1

公开(公告)日：2019-02-07

申请号：US15666611

申请日：2017-08-02

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Samantha J. Bray ,  Joshua R. Auden ,  Jason D. Fahland ,  Timothy D. Demetrio ,  Caleb Potvin ,  Rebecca Tjoelker

IPC: B62D35/00 ,  B62D35/02 ,  B60T17/22 ,  G01D5/00

CPC classification number: B62D35/005 ,  B60T1/16 ,  B60T17/22 ,  B62D35/02 ,  B62D37/02 ,  G01D5/00

Abstract: An adjustable aerodynamic assembly includes a support structure and a blocking member supported by the support structure. The blocking member is movable between an extended position in which the blocking member is disposed transverse to the support structure to interact with an airflow and a retracted position in which the blocking member retracts to minimize interaction with the airflow. The adjustable aerodynamic assembly also includes an actuator coupled to the blocking member and configured to move the blocking member to the extended and retracted positions, and a detection member coupled to the blocking member and configured to determine whether a surface of the blocking member is detected.A method of monitoring the adjustable aerodynamic assembly includes determining whether the surface of the blocking member is detected via the detection member. The method also includes selectively activating the actuator to move the blocking member to the extended and retracted positions.