Patents by Inventor Glenn A. Mattson
Glenn A. 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).
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Patent number: 9315183Abstract: 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: GrantFiled: November 9, 2013Date of Patent: April 19, 2016Assignee: Ford Global TechnologiesInventors: Erick Michael Lavoie, Thomas Salmon, Keith Glenn Mattson
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Patent number: 9162656Abstract: A roll control system (16) for an automotive vehicle (10) is used to actively detect if one of the plurality of the driven wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. By comparing the change in wheel speed of a driven wheel to a change in wheel speed threshold the wheel lift status can be determined. The wheel speed change threshold may be dependent upon various vehicle operating conditions such as powertrain torque, braking torque and/or longitudinal force on the vehicle.Type: GrantFiled: December 4, 2009Date of Patent: October 20, 2015Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Keith Glenn Mattson, Todd Allen Brown, Joseph Carr Meyers, Michael Edward Brewer
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Publication number: 20140067223Abstract: 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: ApplicationFiled: November 9, 2013Publication date: March 6, 2014Applicant: Ford Global TechnologiesInventors: Erick Michael Lavoie, Thomas Salmon, Keith Glenn Mattson
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Publication number: 20100145574Abstract: A roll control system (16) for an automotive vehicle (10) is used to actively detect if one of the plurality of the driven wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. By comparing the change in wheel speed of a driven wheel to a change in wheel speed threshold the wheel lift status can be determined. The wheel speed change threshold may be dependent upon various vehicle operating conditions such as powertrain torque, braking torque and/or longitudinal force on the vehicle.Type: ApplicationFiled: December 4, 2009Publication date: June 10, 2010Inventors: Keith Glenn Mattson, Todd Allen Brown, Joseph Carr Meyers, Michael Edward Brewer
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Patent number: 7653471Abstract: A roll control system (16) for an automotive vehicle (10) is used to actively detect if one of the plurality of the driven wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. By comparing the change in wheel speed of a driven wheel to a change in wheel speed threshold the wheel lift status can be determined. The wheel speed change threshold may be dependent upon various vehicle operating conditions such as powertrain torque, braking torque and/or longitudinal force on the vehicle.Type: GrantFiled: February 26, 2004Date of Patent: January 26, 2010Assignee: Ford Global Technologies, LLCInventors: Keith Glenn Mattson, Todd Allen Brown, Joseph Carr Meyers, Michael Edward Brewer
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Patent number: 7366602Abstract: 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: GrantFiled: March 20, 2007Date of Patent: April 29, 2008Assignee: Ford Global Technologies LLCInventors: Liwen Xu, Samir M. Beydoun, Gerald H. Engelman, Aaron L. Mills, Jianbo Lu, Keith Glenn Mattson
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Patent number: 7197388Abstract: 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: GrantFiled: November 6, 2003Date of Patent: March 27, 2007Assignee: Ford Global Technologies, LLCInventors: Liwen Xu, Samir M. Beydoun, Gerald H. Engelman, Aaron L. Mills, Jianbo Lu, Keith Glenn Mattson
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Patent number: 7143864Abstract: A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The sensors include a steering angle sensor (35) and a yaw rate sensor (28). The controller (26) is coupled to the steering angle sensor (35) and the yaw rate sensor (28). The controller (26) determines a desired yaw rate in response to the steering wheel angle input, determines a corrected steering wheel input as a function of the desired yaw rate of an ideal vehicle and the vehicle yaw rate, and controls the road wheel steer angle (front, rear, or both) steering actuator in response to the corrected steering wheel input, the yaw rate and the modified steering wheel input, vehicle speed, lateral acceleration, longitudinal acceleration, yaw rate, steering wheel angle, and road wheel angles.Type: GrantFiled: September 27, 2002Date of Patent: December 5, 2006Assignee: Ford Global Technologies, LLC.Inventors: Keith Glenn Mattson, Douglas Scott Rhode, Todd Allen Brown
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Patent number: 7136731Abstract: A control system (18) for an automotive vehicle (10) has a roll angular rate sensor (34) and a lateral accelerometer (32) that are used to determine the body roll angle of the vehicle when a rollover event has been sensed. A rollover event sensor (27) may be implemented physically or in combination with various types of suspension, load or other types of lifting determinations.Type: GrantFiled: June 11, 2003Date of Patent: November 14, 2006Assignee: Ford Global Technologies, LLCInventors: Jianbo Lu, Keith Glenn Mattson, Todd Allen Brown
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Patent number: 7132937Abstract: A control system (18) and method for an automotive vehicle (10) used for detecting lift of a wheel includes a passive wheel lift detector (58) that generates a passive wheel lift signal, an active wheel lift detector (60) that generates an active wheel lift signal, and an integrated wheel lift detector (62) coupled to the passive wheel lift detector (58) and the active wheel lift detector (60). The integrated wheel lift detector (62) generates a final wheel lift signal in response to the passive wheel lift signal and the active wheel lift signal. The final wheel lift signal may be used to control a safety device such as a rollover prevention system.Type: GrantFiled: June 27, 2003Date of Patent: November 7, 2006Assignee: Ford Global Technologies, LLCInventors: Jianbo Lu, Joseph Carr Meyers, Keith Glenn Mattson, Todd Allen Brown
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Patent number: 6840343Abstract: A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The controller (26) is coupled to the sensors. The controller (26) determines a lateral force in response to measured vehicle conditions, determines a slip angle in response to measured vehicle conditions, determines a first steering actuator angle change to decrease the slip angle until the lateral force increases, and thereafter determines a second steering actuator angle change to increase the slip angle until the lateral force decreases.Type: GrantFiled: October 16, 2002Date of Patent: January 11, 2005Assignee: Ford Global Technologies, LLCInventors: Keith Glenn Mattson, Todd Allen Brown
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Publication number: 20040254707Abstract: A control system (18) for an automotive vehicle (10) has a roll angular rate sensor (34) and a lateral accelerometer (32) that are used to determine the body roll angle of the vehicle when a rollover event has been sensed. A rollover event sensor (27) may be implemented physically or in combination with various types of suspension, load or other types of lifting determinations.Type: ApplicationFiled: June 11, 2003Publication date: December 16, 2004Inventors: Jianbo Lu, Keith Glenn Mattson, Todd Allen Brown
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Publication number: 20040167701Abstract: A roll control system (16) for an automotive vehicle (10) is used to actively detect if one of the plurality of the driven wheels (12) is lifted. The system generates a pressure request to determine if the wheel has lifted. By comparing the change in wheel speed of a driven wheel to a change in wheel speed threshold the wheel lift status can be determined. The wheel speed change threshold may be dependent upon various vehicle operating conditions such as powertrain torque, braking torque and/or longitudinal force on the vehicle.Type: ApplicationFiled: February 26, 2004Publication date: August 26, 2004Inventors: Keith Glenn Mattson, Todd Allen Brown, Joseph Carr Meyers, Michael Edward Brewer
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Publication number: 20040074693Abstract: A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The controller (26) is coupled to the sensors. The controller (26) determines a lateral force in response to measured vehicle conditions, determines a slip angle in response to measured vehicle conditions, determines a first steering actuator angle change to decrease the slip angle until the lateral force increases, and thereafter determines a second steering actuator angle change to increase the slip angle until the lateral force decreases.Type: ApplicationFiled: October 16, 2002Publication date: April 22, 2004Applicant: Ford Global Technologies, Inc.Inventors: Keith Glenn Mattson, Todd Allen Brown
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Publication number: 20040060765Abstract: A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The sensors include a steering angle sensor (35) and a yaw rate sensor (28). The controller (26) is coupled to the steering angle sensor (35) and the yaw rate sensor (28). The controller (26) determines a desired yaw rate in response to the steering wheel angle input, determines a corrected steering wheel input as a function of the desired yaw rate of an ideal vehicle and the vehicle yaw rate, and controls the road wheel steer angle (front, rear, or both) steering actuator in response to the corrected steering wheel input, the yaw rate and the modified steering wheel input, vehicle speed, lateral acceleration, longitudinal acceleration, yaw rate, steering wheel angle, and road wheel angles.Type: ApplicationFiled: September 27, 2002Publication date: April 1, 2004Applicant: Ford Global Technologies, Inc.Inventors: Keith Glenn Mattson, Douglas Scott Rhode, Todd Allen Brown
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Publication number: 20040064246Abstract: A control system (18) and method for an automotive vehicle (10) used for detecting lift of a wheel includes a passive wheel lift detector (58) that generates a passive wheel lift signal, an active wheel lift detector (60) that generates an active wheel lift signal, and an integrated wheel lift detector (62) coupled to the passive wheel lift detector (58) and the active wheel lift detector (60). The integrated wheel lift detector (62) generates a final wheel lift signal in response to the passive wheel lift signal and the active wheel lift signal. The final wheel lift signal may be used to control a safety device such as a rollover prevention system.Type: ApplicationFiled: June 27, 2003Publication date: April 1, 2004Inventors: Jianbo Lu, Joseph Carr Meyers, Keith Glenn Mattson, Todd Allen Brown
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Patent number: 6662898Abstract: A stability control system (24) for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The controller (26) is coupled to the sensors. The controller (26) determines a road surface coefficient of friction, calculates a maximum slip angle based on the road surface coefficient of friction, determines a calculated side slip angle in response to measured dynamic vehicle conditions, and reduces a steering wheel actuator angle when the calculated side slip angle is greater than the maximum slip angle.Type: GrantFiled: October 16, 2002Date of Patent: December 16, 2003Assignee: Ford Global Technologies, LLCInventors: Keith Glenn Mattson, Todd Allen Brown
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Patent number: 4301976Abstract: Within a single pack tape cartridge, a bearing szrface is integrated on the cartridge case to preclude segments of the tape pack from telescoping into clearance space and thereby a retaining ring is eliminated from the tape cartridge assembly.Type: GrantFiled: June 18, 1979Date of Patent: November 24, 1981Assignee: RCA CorporationInventor: Glenn A. Mattson