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公开(公告)号：US10807460B2
公开(公告)日：2020-10-20
申请号：US16352374
申请日：2019-03-13
Applicant: GM Global Technology Operations LLC
Inventor： Love Lor , Jared Kalnins , Vino Mathew
Abstract: A method for controlling the powertrain system for a vehicle improves powertrain performance. The powertrain system includes an internal combustion engine comprising a crankshaft, an isolator assembly, a motor generator unit, and a powertrain control module. The isolator assembly includes a first member fixedly connected for common rotation with the crankshaft of the internal combustion engine and a second member. The motor generator unit includes a pulley coupled with the second member of the isolator assembly for torque transfer. The powertrain control module comprises a control logic sequence and controls the operation of the powertrain system.
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公开(公告)号：US10227021B2
公开(公告)日：2019-03-12
申请号：US15459570
申请日：2017-03-15
Applicant: GM Global Technology Operations LLC
Inventor： Love Lor , Adam J. Heisel , Nathaniel S. Michaluk , Robert L. Morris
Abstract: A road load module is configured to determine a road load torque to maintain zero vehicle acceleration. An initialization module is configured to determine an initial torque based on the road load torque. A closed loop (CL) module is configured to: when a CL state transitions from an inactive state to an active state, set a CL torque to the initial torque; and when the CL state is in the active state after transitioning to the active state, adjust the CL torque based on a difference between a target vehicle speed and a vehicle speed. A motor torque module is configured to determine a motor torque command based on the CL torque and a motor torque request determined based on an accelerator pedal position. A switching control module is configured to, based on the motor torque command, control switching of an inverter and apply power to an electric motor.
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公开(公告)号：US20200290449A1
公开(公告)日：2020-09-17
申请号：US16352374
申请日：2019-03-13
Applicant: GM Global Technology Operations LLC
Inventor： Love Lor , Jared Kalnins , Vino Mathew
Abstract: A method for controlling the powertrain system for a vehicle improves powertrain performance. The powertrain system includes an internal combustion engine comprising a crankshaft, an isolator assembly, a motor generator unit, and a powertrain control module. The isolator assembly includes a first member fixedly connected for common rotation with the crankshaft of the internal combustion engine and a second member. The motor generator unit includes a pulley coupled with the second member of the isolator assembly for torque transfer. The powertrain control module comprises a control logic sequence and controls the operation of the powertrain system.
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公开(公告)号：US10259341B2
公开(公告)日：2019-04-16
申请号：US15459486
申请日：2017-03-15
Applicant: GM Global Technology Operations LLC
Inventor： Love Lor , Adam J. Heisel
Abstract: A road load module is configured to determine a road load torque to maintain zero vehicle acceleration. A closed loop (CL) module is configured to determine a CL torque based on a difference between a target vehicle speed and a vehicle speed. A motor torque module is configured to: produce a limited CL torque by limiting the CL torque to a predetermined torque limit when a magnitude of the CL torque is greater than a magnitude of the predetermined torque limit; when the vehicle speed is within a predetermined low speed range and a magnitude of the road load torque is greater than or less than a magnitude of a predetermined maximum torque, adjust the predetermined torque limit; and determine a motor torque command based on the limited CL torque and a motor torque request determined based on a position of an accelerator pedal.
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