Patents by Inventor Paul E. Krajewski
Paul E. Krajewski 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: 10687634Abstract: An inflatable system includes a bladder configured to contain fluid, a first plurality of tethers disposed within a first region of the bladder, and a second plurality of tethers disposed within a second region of the bladder. The first plurality of tethers has a first tether length, a first tether spacing, a first tether angle relative to one wall of the bladder, and a first tether stiffness. The second plurality of tethers has a second tether length, a second tether spacing, a second tether angle relative to the one wall, and a second tether stiffness. At least one of: the second tether length is different than the first tether length; the second tether spacing is different than the first tether spacing; the second tether angle is different than the first tether angle; and the second tether stiffness is different than the first tether stiffness.Type: GrantFiled: September 10, 2019Date of Patent: June 23, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wonhee M. Kim, Paul W. Alexander, Nancy L. Johnson, Nilesh D. Mankame, Daniel W. Booth, Paul E. Krajewski, Taeyoung Han
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Publication number: 20200189352Abstract: A vehicle a sensor system disposed adjacent to a headrest portion of a seat within a passenger compartment of the vehicle. The sensor system includes at least one of an air velocity sensor, an air temperature sensor, a radiant heat flux sensor, a heat flux sensor, or a humidity sensor. The sensor system is positioned near the headrest, facing a forward end of the vehicle, in a position that is not blocked by a head of a passenger seated in the seat. The sensor system provides data related to the air velocity, the air temperature, the radiant heat flux, the heat flux, or the relative humidity, enabling a climate controller to accurately calculate a current Equivalent Homogenous Temperature (EHT) of a passenger seated in the seat. The climate controller may then control a climate system of the vehicle based on the calculated EHT to provide a desired EHT.Type: ApplicationFiled: December 12, 2018Publication date: June 18, 2020Applicant: GM Global Technology Operations LLCInventors: Taeyoung Han, Shailendra Kaushik, Bahram Khalighi, Paul E. Krajewski
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Publication number: 20200172040Abstract: A seat assembly includes a seat frame and a seat cushion coupled to the seat frame. The seat frame includes a seatback frame, a base frame coupled to the seatback frame, a first armrest frame coupled to the seatback frame, and a second armrest frame coupled to the seatback frame. The seat cushion covers the seat frame and is spaced apart from the seat frame to define a cavity therebetween. The seat assembly further includes an airbag coupled between the seat frame and the seat cushion. The airbag has a stowed position and a deployed position. In the stowed position, the airbag is disposed in the cavity between the seat frame and the seat cushion. In the deployed position, the airbag is partly disposed outside the cavity between the seat frame and the seat cushion to absorb energy.Type: ApplicationFiled: December 3, 2018Publication date: June 4, 2020Applicant: GM Global Technology Operations LLCInventors: Yi-Pen Cheng, Chin-Hsu Lin, Paul E. Krajewski
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Patent number: 10668845Abstract: A moisture detection and regulation system is disclosed for a vehicle interior component having a section of material with a moisture absorbent material structure. The system includes a sensing device configured to detect a level of moisture in the section of material. The system also includes a moisture removal element configured to dissipate moisture from the section of material. The system additionally includes an electronic controller fixed to the vehicle structure and in operative communication with each of the sensing device and the moisture removal element. The controller is configured to receive a signal from the sensing device indicative of the detected level of moisture in the section of material and activate the moisture removal element when the detected level of moisture is equal to or greater than a predetermined threshold level of moisture. A vehicle having such a moisture detection and regulation system is also disclosed.Type: GrantFiled: April 25, 2018Date of Patent: June 2, 2020Assignee: GM Global Technology Operations LLCInventors: Kausalya Singuru, David R. Petrucci, Gregg R. Kittinger, Xiujie Gao, Paul E. Krajewski
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Publication number: 20200108786Abstract: A method and apparatus that identify an occupant of a vehicle are provided. The method includes: receiving information from a mobile device of a person approaching a vehicle, inputting feature information, corresponding to the received information and vehicle sensor information, into at least one support vector machine model and storing at least one score output by the at least one support vector machine model, identifying the person approaching the vehicle based on the at least one score, determining a seating location of the identified person approaching the vehicle based on the feature information, and adjusting settings of the vehicle based on a profile of the identified person approaching the vehicle and the seating location.Type: ApplicationFiled: October 9, 2018Publication date: April 9, 2020Inventors: Bo Yu, Fan Bai, Omer Tsimhoni, Robert A. Bordo, Paul E. Krajewski
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Patent number: 10615585Abstract: A method for mitigating an electrical actuator fault in a system containing multiple actuators includes: applying multiple predetermined conditions to each of multiple actuators in a vehicle system to identify when at least one of the multiple actuators is in a faulted condition; and increasing an input voltage to all of the actuators to increase an output of the at least one of the multiple actuators in the faulted condition to mitigate the faulted condition.Type: GrantFiled: July 26, 2017Date of Patent: April 7, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yao Hu, Xinyu Du, Joshua J. Sanchez, Paul E. Krajewski
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Publication number: 20200094848Abstract: A method of on-line diagnostic and prognostic assessment of an autonomous vehicle perception system includes detecting, via a sensor, a physical parameter of an object external to the vehicle. The method also includes communicating data representing the physical parameter via the sensor to an electronic controller. The method additionally includes comparing the data from the sensor to data representing the physical parameter generated by a geo-source model. The method also includes comparing results generated by a perception software during analysis of the data from the sensor to labels representing the physical parameter from the geo-source model. Furthermore, the method includes generating a prognostic assessment of a ground truth for the physical parameter of the object using the comparisons of the sensor data to the geo-source model data and of the software results to the geo-source model labels. A system for on-line assessment of the vehicle perception system is also disclosed.Type: ApplicationFiled: September 24, 2018Publication date: March 26, 2020Applicant: GM Global Technology Operations LLCInventors: Yao Hu, Wen-Chiao Lin, Wei Tong, Paul E. Krajewski
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Patent number: 10600261Abstract: A method for use with a vehicle having one or more subsystems includes receiving vehicle health management (VHM) information via a controller indicative of a state of health of the subsystem. The VHM information is based on prior testing results of the subsystem. The method includes determining a required testing profile using the testing results, applying the testing profile to the subsystem to thereby control a state of the subsystem, and measuring a response of the subsystem to the applied testing profile. The method also includes recording additional testing results in memory of the controller that is indicative of a response of the subsystem to the applied testing profile. The vehicle includes a plurality of subsystems and a controller configured to execute the method.Type: GrantFiled: October 5, 2017Date of Patent: March 24, 2020Assignee: GM Global Technology Operations LLCInventors: Xiaoyu Huang, Shengbing Jiang, Wen-Chiao Lin, Chaitanya Sankavaram, Yao Hu, Shiming Duan, Yilu Zhang, Paul E. Krajewski
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Patent number: 10580231Abstract: Vehicles and methods are provided for monitoring the health of a substrate and a protective coating disposed on the substrate. A vehicle includes a substrate, a protective coating, a coating deformation sensor, and a controller. The protective coating is disposed overtop the substrate. The coating deformation sensor is operatively coupled with the protective coating and configured to measure a deformation value of the protective coating. The controller is configured to: determine a deformation recovery rate of the protective coating based on the deformation value; determine whether the deformation recovery rate corresponds with an expected recovery rate of the protective coating; and indicate that the protective coating may be impaired in response to determining that the deformation recovery rate does not correspond with the expected recovery rate.Type: GrantFiled: June 1, 2018Date of Patent: March 3, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wen-Chiao Lin, Jingyan Wan, Jian Yao, Neeraj S. Shidore, Qiangfeng Xiao, Ming Yang, Paul E. Krajewski
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Patent number: 10525922Abstract: An airbag assembly including an airbag configured to be coupled to a vehicle floor of a vehicle. The airbag is movable between a stowed position and a deployed position. In the stowed position, the airbag is deflated. In the deployed position, the airbag is inflated and spaced apart from the vehicle floor to define an aperture between the airbag and the vehicle floor. The aperture is sized to receive feet or lower leg of a vehicle occupant, thereby limiting movement of the legs of the vehicle occupant when an external force is exerted on the vehicle.Type: GrantFiled: August 7, 2018Date of Patent: January 7, 2020Assignee: GM Global Technology Operations LLCInventors: Chin-Hsu Lin, Yi-Pen Cheng, Paul E. Krajewski
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Patent number: 10518786Abstract: A method for providing operation data onboard a first vehicle with autonomous capabilities. The method presents an image of an exterior view from the first vehicle with autonomous capabilities, by a user interface touchscreen communicatively coupled to a processor and system memory element; receives user input data to manipulate the image, via the user interface touchscreen; adjusts the image, by the processor, based on the user input data; modifies an operation parameter of the first vehicle with autonomous capabilities, by the processor, based on the user input data, to generate a modified operation parameter, wherein the operation parameter comprises at least one of a following distance, a stopping distance, or a turning speed; and transmits the modified operation parameter, via a communication device communicatively coupled to the processor.Type: GrantFiled: February 22, 2018Date of Patent: December 31, 2019Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shreyas G. Parat, Paul E. Krajewski
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Publication number: 20190371090Abstract: Vehicles and methods are provided for monitoring the health of a substrate and a protective coating disposed on the substrate. A vehicle includes a substrate, a protective coating, a coating deformation sensor, and a controller. The protective coating is disposed overtop the substrate. The coating deformation sensor is operatively coupled with the protective coating and configured to measure a deformation value of the protective coating. The controller is configured to: determine a deformation recovery rate of the protective coating based on the deformation value; determine whether the deformation recovery rate corresponds with an expected recovery rate of the protective coating; and indicate that the protective coating may be impaired in response to determining that the deformation recovery rate does not correspond with the expected recovery rate.Type: ApplicationFiled: June 1, 2018Publication date: December 5, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wen-Chiao Lin, Jingyan Wan, Jian Yao, Neeraj S. Shidore, Qiangfeng Xiao, Ming Yang, Paul E. Krajewski
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Publication number: 20190373771Abstract: A thermal management device for dissipating heat from an electrical component includes a volume of working fluid configured to change from a liquid state to a vapor state in response to being heated by the electrical component. The thermal management device also includes a working fluid chamber configured to move the working fluid. The working fluid chamber includes an impermeable outer portion and a porous inner portion integrally formed with and connected to the impermeable outer portion. The inner portion is configured to move the working fluid when in the liquid state toward the electrical component. The impermeable outer portion is made of a first material and the porous inner portion is made of a second material. The first material is different from the second material.Type: ApplicationFiled: June 4, 2018Publication date: December 5, 2019Applicant: GM Global Technology Operations LLCInventors: Chih-hung Yen, Daniel R. Gee, Brennon L. White, John M. Kuehnel, Adam J. Campbell, Richard J. Skurkis, Paul E. Krajewski
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Patent number: 10481600Abstract: Systems and method are provided for collaboration between autonomous vehicles. In one embodiment, a processor-implemented method for coordinating travel between multiple autonomous vehicles is provided. The method includes sending a collaboration request to one or more vehicles in an area to form a group to perform a mission, receiving an acceptance of the collaboration request to join the group wherein the group includes a plurality of vehicles, cooperating in assigning leading functions for the group to one or more of the plurality of vehicles in the group, cooperating in mission negotiations for the group, cooperating in determining a formation for the group, and cooperating in generating a trajectory for the group. The vehicles in the group are operated in accordance with the determined formation and generated trajectory.Type: GrantFiled: September 15, 2017Date of Patent: November 19, 2019Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chih-hung Yen, Yao Hu, Yilu Zhang, Paul E. Krajewski, Steven W. Holland, Mutasim A. Salman, Xiaoyu Huang, Azeem Sarwar
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Publication number: 20190331624Abstract: A moisture detection and regulation system is disclosed for a vehicle interior component having a section of material with a moisture absorbent material structure. The system includes a sensing device configured to detect a level of moisture in the section of material. The system also includes a moisture removal element configured to dissipate moisture from the section of material. The system additionally includes an electronic controller fixed to the vehicle structure and in operative communication with each of the sensing device and the moisture removal element. The controller is configured to receive a signal from the sensing device indicative of the detected level of moisture in the section of material and activate the moisture removal element when the detected level of moisture is equal to or greater than a predetermined threshold level of moisture. A vehicle having such a moisture detection and regulation system is also disclosed.Type: ApplicationFiled: April 25, 2018Publication date: October 31, 2019Applicant: GM Global Technology Operations LLCInventors: Kausalya Singuru, David R. Petrucci, Gregg R. Kittinger, Xiujie Gao, Paul E. Krajewski
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Publication number: 20190335572Abstract: An apparatus configured to induce airflow over a sensor lens is provide. The apparatus includes a sensor lens; and a plasma actuator. The plasma actuator may include a dielectric element, a first electrode disposed under the dielectric element, a second electrode disposed on the dielectric element such that the second electrode is exposed, and a plasma layer disposed in between the first electrode and the second electrode. The plasma actuator may be disposed at a periphery of the sensor lens.Type: ApplicationFiled: April 30, 2018Publication date: October 31, 2019Inventors: Taeyoung Han, Bahram Khalighi, Paul E. Krajewski, Gayatri V. Dadheech
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Publication number: 20190256105Abstract: A method for providing operation data onboard a first vehicle with autonomous capabilities. The method presents an image of an exterior view from the first vehicle with autonomous capabilities, by a user interface touchscreen communicatively coupled to a processor and system memory element; receives user input data to manipulate the image, via the user interface touchscreen; adjusts the image, by the processor, based on the user input data; modifies an operation parameter of the first vehicle with autonomous capabilities, by the processor, based on the user input data, to generate a modified operation parameter, wherein the operation parameter comprises at least one of a following distance, a stopping distance, or a turning speed; and transmits the modified operation parameter, via a communication device communicatively coupled to the processor.Type: ApplicationFiled: February 22, 2018Publication date: August 22, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shreyas G. Parat, Paul E. Krajewski
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Publication number: 20190170565Abstract: Methods and apparatus are provided for determining an offset detection for a fuel level sensor fault. The method includes receiving an electrical resistance reading from a potentiometer of a fuel level sensor and generating an estimated fuel level based on an established fuel usage table that references the electrical resistance reading. The fuel level sensitivity is calculated based on the change in electrical resistance readings divided by the change in the estimated fuel levels (R/F). The fuel level sensitivity is compared to a predetermined sensitivity curve to determine any necessary offset to the electrical resistance reading. Finally, the fuel usage table is updated with the offset to the electrical resistance reading.Type: ApplicationFiled: December 1, 2017Publication date: June 6, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shiming Duan, Yao Hu, Mutasim A. Salman, Paul E. Krajewski
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Publication number: 20190108694Abstract: A method for use with a vehicle having one or more subsystems includes receiving vehicle health management (VHM) information via a controller indicative of a state of health of the subsystem. The VHM information is based on prior testing results of the subsystem. The method includes determining a required testing profile using the testing results, applying the testing profile to the subsystem to thereby control a state of the subsystem, and measuring a response of the subsystem to the applied testing profile. The method also includes recording additional testing results in memory of the controller that is indicative of a response of the subsystem to the applied testing profile. The vehicle includes a plurality of subsystems and a controller configured to execute the method.Type: ApplicationFiled: October 5, 2017Publication date: April 11, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaoyu Huang, Shengbing Jiang, Wen-Chiao Lin, Chaitanya Sankavaram, Yao Hu, Shiming Duan, Yilu Zhang, Paul E. Krajewski
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Publication number: 20190108692Abstract: A vehicle including a monitoring system and controller for evaluating a vehicle subsystem is described. The monitoring system includes a sensor that is disposed to monitor on-vehicle noise or vibration. The subsystem includes an actuator, and a fault associated with the subsystem is defined by a fault vibration signature. A command to activate the subsystem is monitored coincident with a signal input from the sensor. A first vibration signature is determined based upon the signal input from the sensor, and a correlation between the first vibration signature and the fault vibration signature are determined for the fault associated with the subsystem. Occurrence of a fault associated with the subsystem can be detected when the correlation between the first vibration signature and the fault vibration signature associated with the subsystem is greater than a threshold correlation.Type: ApplicationFiled: October 9, 2017Publication date: April 11, 2019Applicant: GM Global Technology Operations LLCInventors: Xinyu Du, Mutasim A. Salman, Yilu Zhang, Paul E. Krajewski