Brian A Macfarlane

age ~38

from Fenton, MI

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Brian Macfarlane Phones & Addresses

b***[email protected]

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Author
Brian A. Macfarlane

ISBN #
0077090535

System And Method For Detecting A Fault In A Ride Height Sensor
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US Patent:

20130253763, Sep 26, 2013
Filed:

Aug 10, 2012
Appl. No.:

13/571778
Inventors:

Brian A. MacFarlane - Rochester Hills MI, US
John F. Larsen - Campbellcroft, CA
Steven A. Opiteck - South Lyon MI, US
Assignee:

GM Global Technology Operations LLC - Detroit MI
International Classification:

B60G 17/0185
G06F 11/30
US Classification:

701 37, 701 305
Abstract:

A system according to the principles of the present disclosure includes a variance determination module and a fault detection module. The variance determination module determines a variance of samples generated from a ride height signal. The ride height signal is output by a ride height sensor that detects a ride height of a vehicle. The fault detection module detects a fault in the ride height sensor based on the variance.

Vehicle Air Compressor Control Systems And Methods
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US Patent:

20130275002, Oct 17, 2013
Filed:

Aug 20, 2012
Appl. No.:

13/589576
Inventors:

Brian A. MacFarlane - Rochester Hills MI, US
Steven A. Opiteck - South Lyon MI, US
Assignee:

GM Global Technology Operations LLC - Detroit MI
International Classification:

B60W 10/22
B60W 10/04
US Classification:

701 37
Abstract:

A suspension control system for a vehicle includes a pressure increasing module and a compressor control module. In response to a startup of the vehicle, the pressure increasing module: selectively sets a pressure increase signal to a first state when an air pressure within air bags of a suspension system is less than a predetermined pressure; and selectively sets the pressure increase signal to a second state when the air pressure is greater than the predetermined pressure. In response to the startup of the vehicle, the compressor control module: operates an air compressor of the suspension system when the pressure increase signal is in the first state; and disables operation of the air compressor when the pressure increase signal is in the second state.

Method And Apparatus For Remote Torque Control Of An Aerodynamic Air Shutter Mechanism
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US Patent:

20140038507, Feb 6, 2014
Filed:

Aug 1, 2012
Appl. No.:

13/564184
Inventors:

Edward J. Abeska - Ferndale MI, US
David J. Verbrugge - Milford MI, US
Scott P. Charnesky - Birmingham MI, US
John C. Remy - Shelby Township MI, US
Brian A. Macfarlane - Rochester Hills MI, US
John F. Larsen - Campbellcroft, CA
David W. Turner - Algonac MI, US
Assignee:

GM Global Technology Operations LLC - Detroit MI
International Classification:

B60H 1/26
US Classification:

454 75
Abstract:

A system for controlling an aerodynamic shutter of a vehicle includes an ambient temperature estimation module that determines an ambient temperature. A shutter control module that determines whether to actuate the shutter based on the ambient temperature. The shutter control module also determines a predetermined period before selectively applying a predetermined torque value to the shutter. The predetermined period is selected based on the ambient temperature.

Initialization Sequence For A Vehicle Grille Shutter
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US Patent:

20140039765, Feb 6, 2014
Filed:

Aug 6, 2012
Appl. No.:

13/567142
Inventors:

Scott P. Charnesky - Birmingham MI, US
David J. Verbrugge - Milford MI, US
David A. Schoener - Grand Blanc MI, US
William J. Raymor - Lake Orion MI, US
John C. Remy - Shelby Township MI, US
Brian A. MacFarlane - Rochester Hills MI, US
Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS LLC - Detroit MI
International Classification:

G06F 7/00
US Classification:

701 49
Abstract:

A method of initializing operation of a shutter arranged relative to a grille opening in a vehicle having a power-plant includes detecting a start-up of the power-plant. The method also includes sensing a temperature of ambient air. The method also includes commanding the shutter to achieve a fully-opened position when the temperature of ambient air is above a predetermined value such that a flow of ambient air to the power-plant through the grille opening is substantially unrestricted. The method additionally includes commanding the shutter to achieve a fully-closed position when a temperature of the power-plant is maintained below a threshold value such that the flow of ambient air through the grille opening to the power-plant is substantially blocked. A vehicle using a controller configured to perform the above method is also provided.

Method And Apparatus For Monitoring A Transmission Range Selector
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US Patent:

20160195187, Jul 7, 2016
Filed:

Jan 7, 2015
Appl. No.:

14/591042
Inventors:

- Detroit MI, US
Brian A. MacFarlane - Rochester Hills MI, US
Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS LLC - Detroit MI
International Classification:

F16H 61/12
F16H 59/40
F16H 59/14
F16H 59/46
F16H 59/08
F16H 59/68
Abstract:

A method for monitoring a transmission range selector connected to a transmission of a powertrain system is described. The transmission range selector indicates one of a plurality of ranges including Park, Reverse, Neutral, and Drive. The method includes, upon detecting a change in a target transmission range, monitoring whether a signal output from an on-board sensor indicates an achieved range position of the transmission. When the signal output from the on-board sensor does not indicate that the target transmission range has been achieved, monitoring a transmission incorrect direction metric, monitoring a transmission unintended propulsion metric, and monitoring a metric associated with achieving the target transmission range. A fault is detected when any one of the transmission incorrect direction metric, the transmission unintended propulsion metric and the target range achievement elapsed time metric is exceeded.

Position Diagnostic Test For A Shift-By-Wire System, And A Method Thereof
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US Patent:

20150088387, Mar 26, 2015
Filed:

Sep 20, 2013
Appl. No.:

14/032502
Inventors:

- Deroit MI, US
Anne Bliss - Troy MI, US
Orson S. Wang - Novi MI, US
Michael J. Abowd - Ann Arbor MI, US
Brian A. MacFarlane - Fenton MI, US
Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS LLC - Detroit MI
International Classification:

F16H 61/02
US Classification:

701 51
Abstract:

A position diagnostic test for a shift-by-wire system is provided. The shift-by-wire system includes a shift lever configured to move along a shift path, a first and a second position sensor configured to generate a first and a second position signal, respectively, of the shift lever along the shift path, and a controller configured to receive the first and second position signals. The first position sensor includes a first x-coordinate value and a first y-coordinate value, and the second position sensor includes a second x-coordinate value and a second y-coordinate value. The position diagnostic test includes performing a rationality test on each of the coordinate values. If at least one predetermined condition exists for a particular coordinate value, then it fails the rationality test, and the position signal containing the coordinate value may be disregarded.