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1. 发明申请

US20210179071A1 Control of an engine for a machine with a dual path powetrain 有权
公开(公告)号：US20210179071A1
公开(公告)日：2021-06-17
申请号：US16717470
申请日：2019-12-17
申请人： Caterpillar Inc.
发明人： Brian Kuras , Tony Arida , Matthew Garnett , Thomas G. Pusch , Lance Cowper
IPC分类号： B60W20/40 , F02D41/02 , B60K6/24 , B60K6/26 , B60W10/06 , B60W10/08
摘要： An electronic control unit to control an engine control module of an engine is disclosed. The electronic control unit may receive a machine input associated with the engine. The electronic control unit may select, based on the machine input, a lug mapping from a plurality of lug mappings for controlling a load of the engine. The electronic control unit may control, using the lug mapping, power output of the engine and power to a propulsion module of the machine to satisfy a drawbar power/torque threshold and steering power torque threshold associated with the machine.

2. 发明授权

US11066074B2 Control of an engine of a machine based on detected load requirements of the machine 有权
公开(公告)号：US11066074B2
公开(公告)日：2021-07-20
申请号：US16534487
申请日：2019-08-07
申请人： Caterpillar Inc.
发明人： Brian Kuras , Ankit Sharma , Lance Cowper
IPC分类号： B60W30/188 , F02D29/04 , F02D29/06 , B60W10/06 , B60W10/30
摘要： An electronic control unit to control an engine control module of an engine is disclosed. The electronic control unit may receive, from a load monitoring device, power command information associated with a load of an engine. The electronic control unit may determine, based on the power command information, a total power command of the engine. The electronic control unit may determine, based on the total power command, a target engine speed for the engine. The electronic control unit may cause an engine control module to control the engine to operate in association with the target engine speed.

3. 发明授权

US11458953B2 Control of an engine for a machine with a dual path powertrain 有权
公开(公告)号：US11458953B2
公开(公告)日：2022-10-04
申请号：US16717470
申请日：2019-12-17
申请人： Caterpillar Inc.
发明人： Brian Kuras , Tony Arida , Matthew Garnett , Thomas G. Pusch , Lance Cowper
IPC分类号： B60W20/40 , F02D41/02 , B60K6/24 , B60K6/26 , B60W10/06 , B60W10/08
摘要： An electronic control unit to control an engine control module of an engine is disclosed. The electronic control unit may receive a machine input associated with the engine. The electronic control unit may select, based on the machine input, a lug mapping from a plurality of lug mappings for controlling a load of the engine. The electronic control unit may control, using the lug mapping, power output of the engine and power to a propulsion module of the machine to satisfy a drawbar power/torque threshold and steering power torque threshold associated with the machine.

4. 发明申请

US20170037963A1 Mechanically Coupled Multi-Variator Actuation 审中-公开
标题翻译：机械耦合多变量驱动
公开(公告)号：US20170037963A1
公开(公告)日：2017-02-09
申请号：US14818550
申请日：2015-08-05
申请人： Caterpillar Inc.
发明人： Michael Barngrover , Brian Kuras
IPC分类号： F16H61/42 , F16H61/44 , F16H39/06
CPC分类号： F16H61/42 , F16H39/06 , F16H47/04 , F16H61/433 , F16H61/44 , F16H61/456 , F16H2037/088 , F16H2047/045
摘要： A system for mechanically coupled multi-variator actuation is disclosed. One system includes: a first hydraulic variator comprising: a first hydraulic pump; and a first hydraulic motor linked to the first hydraulic pump. The system may further include a second hydraulic variator comprising: a second hydraulic pump; and a second hydraulic motor linked to the second hydraulic pump. The system may further include a first actuator linked to the first hydraulic pump and configured to control a displacement of the first hydraulic pump; a second actuator linked to the second hydraulic pump and configured to control a displacement of the second hydraulic pump; and a mechanical link connecting the first actuator and the second actuator, the mechanical link configured to facilitate a coordinated operation of the first actuator and the second actuator.
摘要翻译：公开了一种用于机械耦合的多变换器致动系统。一个系统包括：第一液压变速器，包括：第一液压泵; 以及与第一液压泵连接的第一液压马达。该系统还可以包括第二液压变速器，其包括：第二液压泵; 和与第二液压泵连接的第二液压马达。该系统可以进一步包括连接到第一液压泵并构造成控制第一液压泵的排量的第一致动器; 连接到第二液压泵的构造成控制第二液压泵的排量的第二致动器; 以及连接所述第一致动器和所述第二致动器的机械连杆，所述机械连杆构造成便于所述第一致动器和所述第二致动器的协调操作。

5. 发明授权

US11498428B2 Directional shift variable brake disengagement 有权
公开(公告)号：US11498428B2
公开(公告)日：2022-11-15
申请号：US16666148
申请日：2019-10-28
申请人： Caterpillar Inc.
发明人： Brian Kuras , Ankit Sharma , Lance Cowper
IPC分类号： B60W30/14 , B60L7/26 , B60L15/20 , B60W30/18 , B60L7/18
摘要： A braking system is disclosed. The braking system may include a controller configured to determine a speed threshold that is based on a deceleration of an output speed of a powertrain of a machine caused in part by engagement of one or more brakes of the machine during a directional shift in a movement of the machine, the speed threshold being the output speed of the powertrain at which the one or more brakes are to be commanded to disengage. The controller may be configured to command disengagement of the one or more brakes based on a determination that the output speed of the powertrain satisfies the speed threshold.

6. 发明授权

US11038442B2 Control system for DC bus regulation 有权
公开(公告)号：US11038442B2
公开(公告)日：2021-06-15
申请号：US16675721
申请日：2019-11-06
申请人： Caterpillar Inc.
发明人： Brian Kuras , Ankit Sharma , Lance Cowper
IPC分类号： B60W20/10 , H02P5/50 , B60L15/20 , B62D11/04 , B60K6/46
摘要： A device that includes a memory and a processor is disclosed. The processor may be configured to receive a control signal for operating a plurality of traction motors of a work machine. The control signal may include information relating to an actual speed of the work machine, a target speed of the work machine, and a generator speed of a generator operatively coupled to the traction motors. The processor may be configured to determine respective torque commands associated with the traction motors based on the actual speed and the target speed, and determine a generator power limit based on the generator speed. The processor may be configured to determine a threshold based on the respective torque commands and the generator power limit, adjust the respective torque commands based on the threshold, and cause the traction motors to be operated based on the adjusted respective torque commands.

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