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公开(公告)号：US20170351230A1
公开(公告)日：2017-12-07
申请号：US15172224
申请日：2016-06-03
申请人： Caterpillar Inc.
CPC分类号： H03K3/0377
摘要： A control system for a machine having at least one control element is disclosed. The control system includes multiple input sensors in communication with the control element. The input sensor generates an input signal based on an input to the control element. The control system includes multiple actuating members to control operations of the machine. The control system includes a controller in communication with the input sensors and the actuating members. The controller receives the input signal from the input sensor and determines an imposed hysteresis level corresponding to the input signal based on a hysteresis input function. The controller is further configured to generate a hysteresis conditioned input signal based on the imposed hysteresis level.
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公开(公告)号：US10404239B2
公开(公告)日：2019-09-03
申请号：US15172224
申请日：2016-06-03
申请人： Caterpillar Inc.
IPC分类号： H03K3/037
摘要： A control system for a machine having at least one control element is disclosed. The control system includes multiple input sensors in communication with the control element. The input sensor generates an input signal based on an input to the control element. The control system includes multiple actuating members to control operations of the machine. The control system includes a controller in communication with the input sensors and the actuating members. The controller receives the input signal from the input sensor and determines an imposed hysteresis level corresponding to the input signal based on a hysteresis input function. The controller is further configured to generate a hysteresis conditioned input signal based on the imposed hysteresis level.
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3.发明公开公开(公告)号：US20240336342A1
公开(公告)日：2024-10-10
申请号：US18295438
申请日：2023-04-04
申请人： Caterpillar Inc.
发明人： Matthew E. Giannis , Joshua W. Dorothy , Michael J. Barngrover , John M. Seipold , Mark Allen Garety
CPC分类号： B63H21/20 , B63H23/12 , B63H2021/205
摘要： A propulsion system includes an engine having an engine output shaft, and an electric motor assembly including an electric motor having an output gear fixed to rotate with a driveshaft, and a disconnect clutch. The electric motor assembly further includes a common housing positioned around the electric motor and the disconnect clutch, and a fluid system including a fluid circuit for cooling and lubrication of the electric motor and the disconnect clutch. Related methodology including operating a propulsion system in a motor-only mode, an engine-only mode, and a hybrid mode is also disclosed.
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4.发明公开公开(公告)号：US20240336343A1
公开(公告)日：2024-10-10
申请号：US18295423
申请日：2023-04-04
申请人： Caterpillar Inc.
发明人： Matthew E. Giannis , Joshua W. Dorothy , Michael J. Barngrover , John M. Seipold , Mark Allen Garety
CPC分类号： B63H23/12 , B63H21/14 , B63H21/383 , B63H21/386 , B63H23/30 , B63H2023/305
摘要： A propulsion system includes an electric motor assembly having an electric motor, a driveshaft, and a disconnect clutch. The disconnect clutch is structured to couple the driveshaft to an engine output shaft. The propulsion system further includes a fluid system having a cooling and lubrication fluid circuit fluidly connected to a first pump, and a clutch actuation fluid circuit fluidly connected to a second pump. The cooling and lubrication fluid circuit is fluidly connected to the clutch actuation fluid circuit via at least one of respective pump outgoing conduits from the first pump and the second pump or respective pump supply conduits to the first pump and the second pump. Related operating methodology is also disclosed.
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