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公开(公告)号：US11192561B2
公开(公告)日：2021-12-07
申请号：US16418658
申请日：2019-05-21
Applicant: GM Global Technology Operations LLC
Inventor： Jun Chen , Ruixing Long , Yiran Hu
Abstract: A method for controlling an actuator system of a motor vehicle includes utilizing a model predictive control (MPC) module with an MPC solver to determine optimal positions of one or more actuators of the actuator system. The method further includes receiving a plurality of actuator system parameters, and triggering the MPC solver to generate one or more control commands from plurality of actuator system parameters. The method further includes applying a cost function to reduce a steady-state tracking error in the one or more control commands from the MPC solver and applying the one or more control commands to alter positions of the one or more actuators, and applying a penalty term to the steady-state predictions of positions of the plurality of actuators to limit a difference between a steady-state prediction of the actuator system and a solution from the MPC solver.
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2.发明申请公开(公告)号：US20210095630A1
公开(公告)日：2021-04-01
申请号：US16589579
申请日：2019-10-01
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Yiran Hu , David E. Edwards , Min Sun , Michael J. Paratore, JR. , Jun Chen , Eugene V. Gonze , Sergio Quelhas
Abstract: A method includes: (a) determining an engine speed of an internal combustion engine, wherein the internal combustion engine has an engine wall, and the engine wall has a wall temperature; (b) determining an engine load of the internal combustion engine; (c) determining a wall-reference temperature as a function of the engine load and the engine speed of the internal combustion engine; and (d) adjusting, using a cooling system, a volumetric flow rate of a coolant flowing through the internal combustion engine to maintain the wall temperature at the wall-reference temperature.
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公开(公告)号：US09440278B2
公开(公告)日：2016-09-13
申请号：US13797762
申请日：2013-03-12
Inventor： Jeff Wang , Xianghuai Dong , Yao Shen , Jun Chen
CPC classification number: B21D39/023 , B21D19/043 , B21D37/16
Abstract: Methods and apparatuses for roller hemming are disclosed herein. An example of a sheet metal roller hemming apparatus includes a first electrode to electrically connect to an electrical power supply and a sheet metal workpiece. The apparatus further includes a second electrode to electrically connect to the electrical power supply and the sheet metal workpiece to cause pulsed electric current to flow through a portion of the workpiece to locally increase formability in the portion of the workpiece. The apparatus still further includes a roller assembly to contact the workpiece to cause the workpiece to bend in the portion of the workpiece when the pulsed electric current is flowing through the portion of the workpiece, and to form a hem.
Abstract translation: 本文公开了辊式折边的方法和装置。 钣金辊式折边装置的一个实例包括：电连接到电源和钣金工件的第一电极。 该装置还包括电连接到电源和金属板工件的第二电极，以使脉冲电流流过工件的一部分以局部地增加工件部分的成形性。 该装置还包括一个辊组件，当辊子组件接触工件时，当脉冲电流流过工件的一部分时，工件在工件的该部分中弯曲并形成下摆。
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Patent Agency Ranking
公开(公告)号：US20210061063A1
公开(公告)日：2021-03-04
申请号：US16551064
申请日：2019-08-26
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Min Sun , Yiran Hu , David E. Edwards , Jun Chen , Insu Chang , Steven P. Moorman
IPC: B60H1/00
Abstract: Systems and methods are provided for management of a thermal system. A system for thermal management includes a thermal system with fluid conduits. A sensor is disposed to monitor an input parameter state of the thermal system. An actuator is configured to vary a flow in the fluid conduits. A controller is configured to receive a signal representative of the input parameter state; process an actuator state through a flow model of the thermal system to obtain an existing flow in the fluid conduits; process the existing flow through a thermal model of the thermal system to determine an input that reduces an error between a desired parameter state and the input parameter state; process the input through an inverse flow model to convert the input to a desired actuator state; and position the actuator in the desired actuator state.
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5.发明授权公开(公告)号：US11078825B2
公开(公告)日：2021-08-03
申请号：US16589579
申请日：2019-10-01
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Yiran Hu , David E. Edwards , Min Sun , Michael J. Paratore, Jr. , Jun Chen , Eugene V. Gonze , Sergio Quelhas
Abstract: A method includes: (a) determining an engine speed of an internal combustion engine, wherein the internal combustion engine has an engine wall, and the engine wall has a wall temperature; (b) determining an engine load of the internal combustion engine; (c) determining a wall-reference temperature as a function of the engine load and the engine speed of the internal combustion engine; and (d) adjusting, using a cooling system, a volumetric flow rate of a coolant flowing through the internal combustion engine to maintain the wall temperature at the wall-reference temperature.
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公开(公告)号：US20200369284A1
公开(公告)日：2020-11-26
申请号：US16418658
申请日：2019-05-21
Applicant: GM Global Technology Operations LLC
Inventor： Jun Chen , Ruixing Long , Yiran Hu
Abstract: A method for controlling an actuator system of a motor vehicle includes utilizing a model predictive control (MPC) module with an MPC solver to determine optimal positions of one or more actuators of the actuator system. The method further includes receiving a plurality of actuator system parameters, and triggering the MPC solver to generate one or more control commands from plurality of actuator system parameters. The method further includes applying a cost function to reduce a steady-state tracking error in the one or more control commands from the MPC solver and applying the one or more control commands to alter positions of the one or more actuators, and applying a penalty term to the steady-state predictions of positions of the plurality of actuators to limit a difference between a steady-state prediction of the actuator system and a solution from the MPC solver.
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公开(公告)号：US11312208B2
公开(公告)日：2022-04-26
申请号：US16551064
申请日：2019-08-26
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Min Sun , Yiran Hu , David E. Edwards , Jun Chen , Insu Chang , Steven P. Moorman
Abstract: Systems and methods are provided for management of a thermal system. A system for thermal management includes a thermal system with fluid conduits. A sensor is disposed to monitor an input parameter state of the thermal system. An actuator is configured to vary a flow in the fluid conduits. A controller is configured to receive a signal representative of the input parameter state; process an actuator state through a flow model of the thermal system to obtain an existing flow in the fluid conduits; process the existing flow through a thermal model of the thermal system to determine an input that reduces an error between a desired parameter state and the input parameter state; process the input through an inverse flow model to convert the input to a desired actuator state; and position the actuator in the desired actuator state.
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公开(公告)号：US10995688B2
公开(公告)日：2021-05-04
申请号：US16431199
申请日：2019-06-04
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Jun Chen , David E. Edwards , Yiran Hu , Min Sun , Adam J. Heinzen , Michael A. Smith
Abstract: Systems and methods are provided for determining a temperature of a thermal system that includes fluid conduits. A sensor monitors a current state of the temperature. A controller receives a signal from the sensor that is representative of the current state; determines a flow in the fluid conduits; determines a noise covariance of the thermal system; processes a thermal model of the thermal system; predicts a next-step state of the parameter at a time after the current state; and corrects the next-step state based, at least in-part, on the noise covariance resulting in a corrected next-step state.
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