260 patents
Page 10 of 13
Utility
Using a long-term recurrent convolutional network to plan a sequence of lateral controls in autonomous driving
9 Nov 20
Systems and methods for planning and executing a sequence of lateral controls for a vehicle comprise determining a set of parameters comprising road lane lines, a pose of the vehicle, a movement state of the vehicle, and actions by a driver of the vehicle and, while operating the vehicle in an autonomous driving mode, obtaining a long-term recurrent convolutional network (LRCN) model that has been trained with training data captured during controlled test driving by a human driver, using the LRCN model and the set of parameters as inputs, determining a sequence of a plurality of desired steering wheel angles for the vehicle, and when the sequence of the plurality of desired steering wheel angles is verified via comparison to one or more mathematical models, controlling steering of the vehicle according to the sequence of a plurality of desired steering wheel angles.
Zijian Wang, Sean Crutchlow
Filed: 18 Dec 18
Utility
Low speed pre-ignition knock detection, mitigation, and driver notification
2 Nov 20
A low speed pre-ignition detection, mitigation, and driver notification system and method utilize a controller to analyze a knock signal from a knock sensor to detect LSPI knock of the engine and in response to detecting the LSPI knock, enrich a fuel/air ratio of the engine and limit a torque output of the engine to a level that is less than a maximum torque output of the engine, and when enriching the fuel/air ratio of the engine and limiting the torque output of the engine does not mitigate the LSPI knock, output at least one message for a driver of the vehicle instructing the driver to take remedial action to mitigate the LSPI knock.
Ethan E Bayer, Jonathan D Stoffer, David A Lawrence, William P Attard, Tyler Tutton
Filed: 17 Apr 19
Utility
Spark ignited engine load extension with low pressure exhaust gas recirculation and delta pressure valve
2 Nov 20
Techniques for controlling a forced-induction engine having a low pressure exhaust gas recirculation (LPEGR) system comprise determining a desired differential pressure (dP) at an inlet of a boost device based on an engine mass air flow (MAF) and a speed of the engine, wherein the engine further comprises a dP valve disposed upstream from an EGR port and a throttle valve disposed downstream from the boost device, determining a desired EGR mass fraction based on at least the engine MAF and the engine speed, determining a maximum throttle inlet pressure (TIP) based on the engine speed, the desired EGR mass fraction, and a barometric pressure, and performing coordinated control of the dP valve and the throttle valve based on the desired dP and the maximum TIP, respectively, thereby extending EGR operability to additional engine speed/load regions and increasing engine efficiency.
Tyler Tutton, William P Attard, Michael Barkey
Filed: 6 Nov 19
Utility
Traffic recognition and adaptive ground removal based on LIDAR point cloud statistics
2 Nov 20
An advanced driver assistance system (ADAS) and method for a vehicle utilize a light detection and ranging (LIDAR) system configured to emit laser light pulses and capture reflected laser light pulses collectively forming three-dimensional (3D) LIDAR point cloud data and a controller configured to receive the 3D LIDAR point cloud data divide the 3D LIDAR point cloud data into a plurality of cells corresponding to distinct regions surrounding the vehicle, generate a histogram comprising a calculated height difference between a maximum height and a minimum height in the 3D LIDAR point cloud data for each cell of the plurality of cells, and using the histogram, perform at least one of adaptive ground removal from the 3D LIDAR point cloud data and traffic level recognition.
Dalong Li, Andrew Chen
Filed: 18 Nov 18
Utility
Vehicle having roof bow
19 Oct 20
A vehicle includes a vehicle body having a roof and a roof bow.
Dorinel Neag, Carl Mather
Filed: 17 Sep 19
Utility
Vehicle having collision detection device
19 Oct 20
A vehicle includes a vehicle door and a diaphragm.
Dipu Purushothaman, Kalu Uduma, Hamid Keshtkar
Filed: 18 Dec 18
Utility
Integrated emergency fuel door release and grocery bag hook
19 Oct 20
An integrated grocery bag hook and fuel door release cable coupling member extends through a keyway opening of an interior trim panel.
Asif Zia, Matt J Schulte, Amir Siddiqui, Graham Payne
Filed: 9 May 16
Utility
Selective catalytic reduction adaptation for accuracy and minimized tailpipe impact
19 Oct 20
Improved systems and methods for dosing agent injection adaptation for a selective catalytic reduction (SCR) system of an engine of a vehicle involve an adaptation procedure that is generally divided into distinct phases based upon the requirement to obtain an accurate dosing adaptation.
Mark A Shost, John D Phillips, Cornelius Opris, Arpit Shukla
Filed: 2 Jul 18
Utility
Techniques for measuring fuel injector flow irregularity without removal from vehicle
19 Oct 20
Diagnostic systems and methods for a fuel system of an engine of a vehicle utilize a fuel rail pressure sensor, an engine speed sensor, an exhaust oxygen (O2) sensor, and a controller configured to perform a diagnostic routine for the fuel system during which fuel injectors of the fuel system do not need to be removed from the engine.
Louai Faied
Filed: 1 Jul 18
Utility
Upset protrusion joining and forging gun therefor
19 Oct 20
An upset protrusion joining gun for joining two parts together by forging a protrusion of one part that extends through an opening in the other part to form a boss that extends over a portion of the other part surrounding the opening.
Kurt P Damphousse, Stephen D Logan, John Macdonald, Kenneth Martz
Filed: 5 Jun 18
Utility
Using an artificial neural network for combustion phasing control in a spark ignited internal combustion engine
28 Sep 20
A calibration system and method for a spark ignition engine of a vehicle involve artificially weighting engine dynamometer data in high engine load regions and using it to generate training data for an artificial neutral network (ANN).
William P Attard, Shu Wang, Shuonan Xu, Tyler Tutton, Srinath Gopinath, David A Lawrence
Filed: 18 Dec 18
Utility
Draw-in control for sheet drawing
28 Sep 20
A method of forming a finished stamped product includes positioning a blank on a blank holder between an upper die and a lower die, inserting a movable wedge block between the blank holder and the upper die to establish a first binder gap, and while the movable wedge block is inserted, performing a first strike of the blank by lowering the upper die a first distance to contact and partially form the blank, the movable wedge block limiting downward movement of the upper die relative to the lower die.
Dajun Zhou, Changqing Du, Robert D Miller
Filed: 11 Sep 18
Utility
Condensate drain valve for charge air cooler
21 Sep 20
A liquid drain valve assembly for a charge air cooler includes a valve housing configured to couple to the charge air cooler, the valve housing having a condensate inlet configured to receive condensate from the charge air cooler, and a condensate outlet, a valve mechanism slidingly disposed within the valve housing and configured to selectively close the condensate inlet and the condensate outlet to facilitate preventing charge air from leaking during condensate draining, and a diaphragm assembly disposed within the valve housing and configured to selectively engage the valve mechanism to selectively open the condensate inlet and the condensate outlet to drain condensate from the charge air cooler when the charge air cooler is in a boosted condition and isolated from the atmosphere.
Eduardo F Goncalves
Filed: 12 Dec 18
Utility
System and method for determining minimal negative distance between two objects
31 Aug 20
A system and method is disclosed for determining an optimal direction and a minimum directional negative distance between two objects.
Wen-Jun Wu, Bo Robert Zhou, John Borth, Dwayne Cervelli
Filed: 16 Feb 17
Utility
Techniques for detecting and monitoring unintended powertrain propulsive torque in hybrid vehicles
31 Aug 20
A control system and method for a hybrid vehicle involve controlling a hybrid powertrain comprising an engine and a transmission having one or more electric motors and not comprising a decoupling mechanism therebetween, detecting an operating condition where the transmission is in neutral and the vehicle is moving at a speed less than a low speed threshold, and in response to detecting the operating condition: determining a desired propulsive torque of the powertrain, determining an actual propulsive torque at the driveline, calculating a torque difference between the actual and desired propulsive torques over a period, comparing the calculated torque difference to a first movement threshold, and when the calculated torque difference exceeds the first movement threshold, applying an electric parking brake (EPB) of the vehicle.
Behrouz Ashrafi, Feisel F Weslati, Sathya Manivasagam
Filed: 30 Jan 18
Utility
Turbocharger surge management control techniques to eliminate surge valve
31 Aug 20
A control system and method for an engine including a turbocharger without a surge valve involve utilizing one or more pressure sensors configured to measure air pressure in an intake system of the engine, the intake system comprising a compressor of the turbocharger and a throttle valve downstream from the compressor, and a controller configured to control the engine to avoid surge at the compressor and eliminate a need for the surge valve by determining a desired position for the throttle valve based on a driver requested engine torque, determining a minimum mass flow through the compressor that avoids surge based on the measured air pressure in the intake system and a predetermined compressor map, and commanding the throttle valve to a target position to maintain at least the minimum compressor mass flow, wherein the target position is greater than the desired position, thereby avoiding surge at the compressor.
Ethan E Bayer, David R Pedro, David A Lawrence, Saikiran Chikine
Filed: 25 Jun 18
Utility
Transmission braking for vehicle speed control
24 Aug 20
A vehicle transmission braking mode comprises determining a set of available clutches of the plurality of clutches that are not being utilized for engagement of a particular forward gear of the plurality of forward gears, determining at least one of a modeled temperature, a measured temperature, and a modeled energy of each clutch of the set of available clutches to obtain a set of at least one of clutch temperatures and energies, and based on at least the set of available clutches and the set of at least one of clutch temperatures and energies, selectively operate the transmission in the transmission braking mode by at least partially applying at least one clutch of the set of available clutches to mitigate or prevent powerflow through the transmission and thereby decrease or maintain a speed of the vehicle and/or reduce acceleration of the vehicle.
Brian J Jacobs, Joshua Haviland, Michael Sowards
Filed: 19 May 19
Utility
Systems and methods for programming a gear shift sequence for a custom shift mode of an automatic transmission
24 Aug 20
Control systems and methods for a vehicle automatic transmission utilize a driver interface configured to receive input from a driver of the vehicle relating to a custom shift mode of the automatic transmission and a controller configured to monitor a driving history of the vehicle and, based on the driving history, determine a reduced shift sequence for the transmission to utilize during the custom shift mode, the reduced shift sequence specifying a subset of available forward gears of the transmission to utilize during the custom shift mode, the subset of gears being less than a total number of available forward gears of the transmission, such that one or more available forward gears are skipped in the reduced shift sequence, initiate the custom shift mode for the transmission, and during the custom shift mode, control shifting of the transmission according to the reduced shift sequence.
Michael B Solt, Caleb M Coats, Jamie F Standring
Filed: 23 Aug 18
Utility
Voltage control for alternator mode in electrified vehicles
17 Aug 20
A system comprises a high voltage (HV) battery system connected to an HV bus, a motor generator unit (MGU) connected to the HV bus, a main contactor disposed on the HV bus between the MGU and the HV battery system such that, when the main contactor is closed, the HV battery system stabilizes a voltage of the HV bus, a low voltage (LV) battery system connected to an LV bus and configured to stabilize a voltage of the LV bus when the main contactor is open or malfunctioning, a direct current to direct current (DC-DC) converter connected to the HV bus and the LV bus, and a controller configured to (i) when the main contactor is closed, control the DC-DC converter to stabilize the LV bus voltage, and (ii) when the main contactor is open or malfunctioning, control the DC-DC converter to stabilize the HV bus voltage.
Daniel R Luedtke
Filed: 10 Dec 17
Utility
Dual platform bumper system for vehicle doors
3 Aug 20
A dual platform bumper system for a vehicle includes a bumper configured to couple to one of the door or another vehicle component, the bumper having first and second points of contact, and a platform configured to couple to the other of the door and the other vehicle component.
Randy K Ihrke, Christopher J Sytek, Christopher J Duke
Filed: 28 Mar 18