Patents by Inventor Keith Mattson

Keith Mattson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7668645
    Abstract: A control system (18) and method for an automotive vehicle (10) includes a roll rate sensor (34) for generating a roll rate signal, a lateral acceleration sensor (32) for generating a lateral acceleration signal, a longitudinal acceleration sensor (36) for generating a longitudinal acceleration signal, and a yaw rate sensor (28) for generating a yaw rate signal. A safety device or system (44) and the sensors are coupled to a controller. The controller (26) determines an added mass and the height of the added mass on the vehicle, or a roll gradient, a roll acceleration coefficient, and/or a roll rate parameter that take into account the added mass and height from the roll rate, the lateral acceleration, the longitudinal acceleration, and the yaw rate of the vehicle, and controls the safety system in response thereto.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: February 23, 2010
    Assignee: Ford Global Technologies
    Inventors: Jianbo Lu, Keith Mattson, David Messih, Erik Chubb, Albert Salib
  • Patent number: 7660654
    Abstract: A control system (18) and method for an automotive vehicle (10) includes a pitch rate sensor (37) generating a pitch rate signal, a longitudinal acceleration sensor (36) generating a longitudinal acceleration signal, and a yaw rate sensor (28) generating a yaw rate signal. A safety system (44) and the sensors are coupled to a controller. From the sensors, the controller (26) determines an added mass and a position of the added mass, a pitch gradient and/or a pitch acceleration coefficient that takes into account the added mass and position. The controller controls a vehicle system in response to the added mass and the position of the added mass, the pitch gradient and/or pitch acceleration coefficient variables.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: February 9, 2010
    Assignee: Ford Global Technologies, LLC
    Inventors: Jianbo Lu, Keith Mattson, Joe Meyers
  • Patent number: 7640081
    Abstract: A control system (18) and method for controlling an automotive vehicle (10) includes a number of sensors that are used to generate a potential rollover signal. In response to the potential rollover, active differentials (112, 114, 116) may be used alone or in addition to braking to prevent the vehicle from rolling over.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: December 29, 2009
    Assignee: Ford Global Technologies, LLC
    Inventors: Jianbo Lu, Michael Brewer, Keith Mattson, Joseph C. Meyers, Todd Brown
  • Publication number: 20080061625
    Abstract: A control system (10) for a vehicle (16) includes a sensor (228-240) that generates a sensor signal and a stability control system (14). A tire pressure monitoring system (12) generates a tire pressure signal. A brake (262) is coupled to the stability control system (14) and is associated with a rotational object (212) of the vehicle (16). A controller (18, 226) is coupled to the sensor (228-240), has multiple tire pressure associated brake control ranges R1-R3, and detects an unstable event in response to the sensor signal. The controller (18, 226) also applies a brake pressure in response to the tire pressure signal and the tire pressure associated brake control ranges R1-R3 via the stability control system (14).
    Type: Application
    Filed: September 7, 2006
    Publication date: March 13, 2008
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Paul Schmitt, Todd Brown, Jerry Engelman, Keith Mattson, Aaron Mills, Albert Salib, Michael Brewer, Fred Owens
  • Publication number: 20080001477
    Abstract: A method for brake pressure apply in a hydraulic brake system includes commanding a cage clearance reduction phase and commanding a wheel control phase subsequent to the cage clearance reduction phase. Accordingly, the cage clearance is reduced prior to entering the wheel control phase. A method for cage clearance reduction in a hydraulic brake system for roll stability control is also provided.
    Type: Application
    Filed: June 30, 2006
    Publication date: January 3, 2008
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Erick Lavoie, Thomas A. Salmon, Keith Mattson
  • Patent number: 7308350
    Abstract: A control system for an automotive vehicle (10) and method for operating the same includes a controller (26) that is used to control the brake system in response to an adaptive brake gain coefficient. The adaptive brake gain coefficient may be used by a safety system so that a desired brake torque is applied to the wheel.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: December 11, 2007
    Assignee: Ford Global Technologies, LLC
    Inventors: Todd Brown, Chuck Bannon, Keith Mattson
  • Publication number: 20070170667
    Abstract: 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.
    Type: Application
    Filed: March 20, 2007
    Publication date: July 26, 2007
    Inventors: Liwen Xu, Samir Beydoun, Gerald Engelman, Aaron Mills, Jianbo Lu, Keith Mattson
  • Publication number: 20060129291
    Abstract: A control system (18) and method for an automotive vehicle (10) includes a pitch rate sensor (37) generating a pitch rate signal, a longitudinal acceleration sensor (36) generating a longitudinal acceleration signal, and a yaw rate sensor (28) generating a yaw rate signal. A safety system (44) and the sensors are coupled to a controller. From the sensors, the controller (26) determines an added mass and a position of the added mass, a pitch gradient and/or a pitch acceleration coefficient that takes into account the added mass and position. The controller controls a vehicle system in response to the added mass and the position of the added mass, the pitch gradient and/or pitch acceleration coefficient variables.
    Type: Application
    Filed: December 13, 2004
    Publication date: June 15, 2006
    Inventors: Jianbo Lu, Keith Mattson, Joe Meyers
  • Publication number: 20060085112
    Abstract: A control system (18) and method for an automotive vehicle (10) includes a roll rate sensor (34) generating a roll rate signal, a lateral acceleration sensor (32) generating a lateral acceleration signal, a longitudinal acceleration sensor (36) generating a longitudinal acceleration signal, and a yaw rate sensor (28) generating a yaw rate signal. A safety system (44) and the sensors are coupled to a controller. The controller (26) determines an added mass and the height of the added mass or a roll gradient, a roll acceleration coefficient and/or a roll rate parameter that take into account the added mass and height from the roll rate, the lateral acceleration, the longitudinal acceleration, and the yaw rate and controlling the safety system in response thereto.
    Type: Application
    Filed: October 15, 2004
    Publication date: April 20, 2006
    Inventors: Jianbo Lu, Keith Mattson, David Messih, Erik Chubb, Albert Salib
  • Publication number: 20060074530
    Abstract: A control system (18) and method for controlling an automotive vehicle (10) includes a number of sensors that are used to generate a potential rollover signal. In response to the potential rollover, active differentials (112, 114, 116) may be used alone or in addition to braking to prevent the vehicle from rolling over.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 6, 2006
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Joe Meyers, Jianbo Lu, Michael Brewer, Keith Mattson, Todd Brown
  • Publication number: 20050261818
    Abstract: A control system for an automotive vehicle (10) and method for operating the same includes a controller (26) that is used to control the brake system in response to an adaptive brake gain coefficient. The adaptive brake gain coefficient may be used by a safety system so that a desired brake torque is applied to the wheel.
    Type: Application
    Filed: May 20, 2004
    Publication date: November 24, 2005
    Inventors: Todd Brown, Chuck Bannon, Keith Mattson
  • Publication number: 20050102083
    Abstract: A roll stability control system (18) for an automotive vehicle (10) includes an external environment sensing system, such as a camera-based vision system, or a radar, lidar or sonar-based sensing system (43) that generates image, radar, lidar, and/or sonar-based signals. A controller (26) 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 (18) in response to the dynamic vehicle control signal. The dynamic vehicle characteristics may include roll related angles, angular rates, and various vehicle velocities.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 12, 2005
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Liwen Xu, Samir Beydoun, Gerald Engelman, Aaron Mills, Jianbo Lu, Keith Mattson
  • Publication number: 20050033486
    Abstract: A control system for a vehicle (10) is described for use in conjunction with the safety system (44) of the vehicle (10). A tire sensor or plurality of tire sensors generates tire force signals. The tire force signals may include lateral tire forces, longitudinal (or torque) tire forces, and normal tire forces. Based upon the tire force signals, a safety system (44) may be activated. The tire force sensors may be used to monitor various conditions including but not limited to sensing a roll condition, wheel lift detection, a trip event, oversteering and understeering conditions, pitch angle, bank angle, roll angle, and the position of the center of gravity of the vehicle.
    Type: Application
    Filed: September 9, 2004
    Publication date: February 10, 2005
    Inventors: Paul Schmitt, Keith Mattson, Eric Chubb, Michael Brewer, Albert Salib, Todd Brown, Todd Mory, Daniel Eisele, Michael Lopez