-
公开(公告)号：US10480442B2
公开(公告)日：2019-11-19
申请号：US16218597
申请日：2018-12-13
IPC分类号： F02D41/22 , F02D41/00 , F02D41/04 , F02D41/26 , F02D29/04 , F02D29/02 , G07C5/00 , G07C5/08 , E02F9/26 , E02F9/20 , E02F3/32
摘要： An object of the present invention is to provide a working machine and a working machine monitoring system using the same which is capable of improving the accuracy in determining fuel property. The working machine is provided with an engine operation parameter acquisition module (1041) that acquires an engine operation parameter representing the operation state of an engine mounted on the working machine; a refueling time acquisition module (1011) that acquires a refueling time when the working machine is supplied with fuel; and a fuel property determination module (1014) that determines the property of the fuel based on a comparison result of the time when the engine operation parameter changes, with the refueling time.
-
公开(公告)号：US09816252B2
公开(公告)日：2017-11-14
申请号：US14411246
申请日：2013-05-10
IPC分类号： E02F9/20 , F02D29/02 , F02D29/04 , E02F9/22 , B60K6/485 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00
CPC分类号： E02F9/2075 , B60K6/485 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00 , B60W2300/17 , E02F9/2246 , E02F9/2296 , F02D29/02 , F02D29/04 , Y02T10/6226 , Y02T10/6286
摘要： This invention is a hydraulic work machine having an electric assist motor coupled to an engine and a hydraulic pump, in the hydraulic work machine of which, a rotational speed and torque of the engine are controlled so that an operating point of the engine moves along a predetermined route for yielding a combustion state of the engine under a transient state that the engine changes in speed and torque. A target speed and torque of the engine 7 are set so that the rotational speed and torque of the engine 7 will change along a predetermined route F in a running region of the engine, respective rates of change of the target rotational speed and torque of the engine 7 are limited, and the engine 7 is controlled to yield the target engine speed. In addition, torque of the assist motor 10 is controlled to yield the target torque of the engine.
-
公开(公告)号：US09671763B2
公开(公告)日：2017-06-06
申请号：US14370127
申请日：2012-12-28
IPC分类号： G05B11/01 , B60K6/485 , B60W10/06 , B60W20/00 , F04B49/06 , B60W10/30 , B60W30/188 , G05B15/02 , F02D29/04 , F02D29/06
CPC分类号： G05B11/01 , B60K6/485 , B60W10/06 , B60W10/30 , B60W20/00 , B60W30/1882 , F02D29/04 , F02D29/06 , F04B49/06 , G05B15/02 , Y02T10/6226
摘要： In a control device for construction machinery, a system operating point calculation unit calculates a plurality of combinations of engine rotational speed and engine torque with which demanded power of an engine can be generated; and calculates system efficiency in each of the combinations according to discharge pressure of a hydraulic. A rotational speed calculation unit calculates target rotational speed of the engine as the engine rotational speed in one of the combinations of the engine rotational speed, the engine torque and the system efficiency calculated by the system operating point calculation unit that includes desired system efficiency. A displacement calculation unit calculates target displacement of the hydraulic pump based on the target rotational speed calculated by the rotational speed calculation unit and demanded flow rate of the hydraulic pump. With this control device, the engine and the hydraulic pump can be controlled at an efficient operating point.
-
公开(公告)号：US09187294B2
公开(公告)日：2015-11-17
申请号：US14351406
申请日：2012-10-12
CPC分类号： B66C13/18 , B60K6/46 , B60K6/485 , B66C23/84 , E02F9/123 , E02F9/20 , E02F9/2075 , E02F9/2091 , E02F9/2095 , Y02T10/6217 , Y02T10/6226
摘要： Provided is a hybrid construction machine together with a method for controlling that construction machine in a manner ensuring the operability of its combined operations regardless of fluctuations in the load on its work machine.The hybrid construction machine has: a swing structure; a work machine attached to the swing structure; an engine mounted on the swing structure; a first electric motor driven by the engine, the motor being capable of generating power; a hydraulic pump driven by the engine and the first electric motor; a second electric motor for driving the swing structure; and a plurality of electric storage devices, wherein the hybrid construction machine further includes a first control unit which, in a combined operation involving the work machine and the swing structure, drives and controls the second electric motor by use of the electric power supplied from at least one electric storage device selected from the storage devices and from another electric storage device offering a higher output level and a lower stored energy level per unit weight than the selected at least one electric storage device, and drives and controls the hydraulic pump by use of the engine.
摘要翻译： 提供了一种混合式施工机器以及用于以确保其组合操作的可操作性的方式控制该建筑机器的方法，而不管其作业机器上的负载的波动如何。 混合动力施工机械有：摆动结构; 连接到摆动结构的作业机器; 安装在摆动结构上的发动机; 由发动机驱动的第一电动马达，能够发电; 由发动机和第一电动机驱动的液压泵; 用于驱动所述摆动结构的第二电动机; 以及多个蓄电装置，其中，所述混合动力施工机械还包括第一控制单元，所述第一控制单元在涉及所述作业机械和所述摆动结构的组合操作中，通过使用从其提供的电力来驱动和控制所述第二电动机 从所述存储装置中选择的至少一个蓄电装置以及从所选择的至少一个蓄电装置提供更高输出水平和每单位重量的较低存储能量水平的另一蓄电装置，并且通过使用所述至少一个蓄电装置来驱动和控制所述液压泵 引擎。
-
公开(公告)号：US12031303B2
公开(公告)日：2024-07-09
申请号：US17414347
申请日：2019-11-21
发明人： Shinji Ishihara , Shiho Izumi , Yasuhiko Kanari
摘要： An installation error of a machine-body inertial measurement unit around a first axis is computed on a basis of sensing results of inertial measurement units of a front work implement, and the machine-body inertial measurement unit obtained while the upper swing structure is in a first calibration posture in which the upper swing structure faces a predetermined direction relative to a lower travel structure; and an installation error of the machine-body inertial measurement unit around a second axis is computed on a basis of a sensing result of the machine-body inertial measurement unit obtained while the upper swing structure is in a second calibration posture in which the upper swing structure is swung by 90 degrees relative to the lower travel structure from the first calibration posture, and the installation error of the machine-body inertial measurement unit around the first axis.
-
公开(公告)号：US09574327B2
公开(公告)日：2017-02-21
申请号：US14916508
申请日：2014-11-13
发明人： Shinji Ishihara , Masatoshi Hoshino
IPC分类号： E02F9/20 , B60K6/485 , B60L11/02 , B60W10/06 , B60W10/08 , B60W20/00 , E02F9/22 , B60L1/00 , B60L11/18 , B60L15/20 , E02F3/32
CPC分类号： E02F9/2075 , B60K6/48 , B60K6/485 , B60L1/003 , B60L11/02 , B60L11/1862 , B60L15/2045 , B60L2200/40 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2240/443 , B60L2240/545 , B60L2240/662 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00 , B60W20/11 , B60W30/1882 , B60W2300/17 , B60W2710/0677 , B60W2710/081 , E02F3/32 , E02F9/2232 , E02F9/2296 , Y02T10/56 , Y02T10/6221 , Y02T10/6226 , Y02T10/6286 , Y02T10/645 , Y02T10/70 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7077 , Y02T10/72 , Y02T10/7283 , Y02T10/7291 , Y02T10/84 , Y02T90/16 , Y02T90/34 , Y10S903/903
摘要： The purpose of the present invention is to operate an engine in a proper operation state while keeping the remaining amount in an electrical storage apparatus within a proper range. Hybrid construction machinery according to the present invention is provided with a controller for controlling an engine according to a governor characteristic having a predetermined inclination that defines a relationship between load torque and rotational speed so that the rotational speed decreases with an increase in the load torque. In the controller, a target engine power calculating unit (2-5) calculates a first target engine power that increases and decreases according to increases and decreases in output values of a load power calculating unit (2-1) and a charge/discharge request calculating unit (2-3), and a target rotational speed calculating unit (2-6) calculates, as a command value for a target rotational speed of a motor generator, a rotational speed at the intersection point of a governor characteristic line changed by a governor characteristic changing unit (2-4) and an equal power line dependent on the first target engine power on a rotating speed-torque characteristic line diagram.
摘要翻译： 本发明的目的在于使发动机在适当的操作状态下操作，同时将电量存储装置中的剩余量保持在适当的范围内。 根据本发明的混合动力施工机械设置有控制器，用于根据具有预定倾角的调速器特性来控制发动机，所述预定倾角限定了负载转矩和转速之间的关系，使得转速随着负载转矩的增加而降低。 在控制器中，目标发动机功率计算单元（2-5）根据负载功率计算单元（2-1）和充电/放电请求的输出值的增减来计算增减的第一目标发动机功率 计算单元（2-3），目标转速计算单元（2-6）计算作为电动发电机的目标转速的指令值，将调速器特性线的交点改变的转速 调速器特性改变单元（2-4）以及取决于转速 - 转矩特性线图上的第一目标发动机功率的等电力线。
-
公开(公告)号：US09540790B2
公开(公告)日：2017-01-10
申请号：US14916607
申请日：2014-10-24
CPC分类号： E02F9/2075 , B60K6/485 , B60L11/1862 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2710/0677 , E02F3/32 , E02F3/435 , E02F9/2091 , E02F9/2235 , E02F9/2246 , E02F9/2296 , Y02T10/6226 , Y02T10/6286
摘要： To provide a work machine that can suppress a steep fluctuation in engine power. The present invention includes an engine 11; a hydraulic pump 12 that is driven by the engine 11; a hydraulic actuator 17 that is driven by pressure oil discharged from the hydraulic pump 12; a motor generator 13 that drives the hydraulic pump 12; an electrical storage device 14 that transfers electric power with the motor generator 13; a load computing unit 21 that computes the load power of the engine 11; a vehicle body state management unit 22 that manages a vehicle body state including the state of the electrical storage device 14; an engine power fluctuation limitation unit 23 that computes second target power for limiting the increase rate and the decrease rate of the power of the engine 11 on the basis of the load power and the vehicle body state; a hydraulic power limitation unit 24 that limits the power of the hydraulic pump 12 on the basis of the second target power; and an assist power computation unit 25 that limits the power of the motor generator 13 on the basis of the second target power.
摘要翻译： 提供能够抑制发动机功率急剧变动的作业机械。 本发明包括发动机11; 由发动机11驱动的液压泵12; 由从液压泵12排出的压力油驱动的液压致动器17; 驱动液压泵12的电动发电机13; 与电动发电机13进行电力的蓄电装置14; 计算发动机11的负载功率的负载计算单元21; 管理包括蓄电装置14的状态的车身状态的车体状态管理部22; 发动机功率变动限制单元23，其基于负载功率和车身状态计算用于限制发动机11的功率的增加率和减小率的第二目标功率; 液压动力限制单元24，其基于第二目标动力来限制液压泵12的动力; 以及辅助功率计算单元25，其基于第二目标功率来限制电动发电机13的功率。
-
公开(公告)号：US09487932B2
公开(公告)日：2016-11-08
申请号：US14400947
申请日：2013-05-10
IPC分类号： B60W10/08 , E02F9/22 , B60L11/14 , B60L1/00 , B60L11/18 , E02F9/20 , F02D29/04 , B60W20/00 , H02H7/08
CPC分类号： E02F9/2246 , B60L1/003 , B60L11/14 , B60L11/1862 , B60L2240/423 , B60L2240/441 , B60L2240/443 , B60L2240/545 , B60L2240/547 , B60L2240/549 , B60L2270/12 , B60W10/08 , B60W20/00 , E02F9/2075 , E02F9/2296 , F02D29/04 , H02H7/0833 , Y02T10/642 , Y02T10/70 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7077 , Y10S903/93
摘要： A hybrid construction machine comprises: a motor generator (2) which exchanges torque with an engine (1); a hydraulic pump (3) which is driven by at least one of the engine and the motor generator; a hydraulic actuator (5) which is driven by hydraulic fluid delivered from the hydraulic pump; an electrical storage device (10) for supplying electric power to the motor generator; and a controller (8) which sets target power of the engine and target power of the motor generator so as to satisfy demanded power of the hydraulic pump. The controller makes the setting so that the target power of the engine monotonically increases with the decrease in the remaining electric amount of the electrical storage device. With this configuration, the operator's operational feel can be kept excellent while also achieving reduction in fuel consumption and gas emission.
摘要翻译： 一种混合式建筑机械，包括：与发动机（1）交换扭矩的电动发电机（2）; 由发动机和电动发电机中的至少一个驱动的液压泵（3）; 液压致动器（5），其由从液压泵输送的液压流体驱动; 用于向电动发电机供电的蓄电装置（10） 以及控制器（8），其设置发动机的目标功率和电动发电机的目标功率，以满足液压泵的要求功率。 控制器进行设定，使得发动机的目标功率随着蓄电装置的剩余电量的减少而单调增加。 通过这种结构，可以保持操作者的操作手感，同时实现燃料消耗和气体排放的降低。
-
公开(公告)号：US20160097405A1
公开(公告)日：2016-04-07
申请号：US14770624
申请日：2014-06-24
CPC分类号： F15B15/088 , B60K6/485 , B60W10/08 , B60W20/00 , B60W2510/0666 , E02F9/2075 , E02F9/2246 , E02F9/2296 , F02D29/04 , F15B11/08 , F15B2211/20515 , F15B2211/20523 , Y02T10/6226
摘要： A hybrid work machine includes: an engine controller (14) that controls rotational speed of an engine (7) in accordance with a target rotational speed input from an EC dial (31); an assist motor (10) that generates electricity using power of the engine (7); a hydraulic pump (6) operated using power of the engine and/or of the assist motor; and a vehicle body controller (11) that estimates power (Pe) the engine is required to output when a request to generate electricity is sent to the assist motor and permits the assist motor to generate electricity only when the engine power requirement is not greater than an electricity generation threshold value (Eth1). The electricity generation threshold value (Eth1) is determined based on the power and characteristics of energy loss of the engine (7).
摘要翻译： 混合动力作业机械包括：根据从EC拨盘（31）输入的目标转速来控制发动机（7）的转速的发动机控制器（14）。 使用发动机（7）的动力发电的辅助马达（10）; 使用发动机和/或辅助马达的动力操作的液压泵（6）; 以及车身控制器（11），其估计当发电请求被发送到所述辅助电动机时需要发动机的功率（Pe），并且仅当所述发动机功率要求不大于所述辅助电动机时才允许所述辅助电动机发电 发电阈值（Eth1）。 基于发动机（7）的能量损失的功率和特性来确定发电阈值（Eth1）。
-
公开(公告)号：US11668069B2
公开(公告)日：2023-06-06
申请号：US16760530
申请日：2018-11-08
CPC分类号： E02F3/435 , E02D3/046 , E02F9/2203
摘要： A construction machine that can make a depressing force of a bucket during compaction work to be uniform without requiring an operator to perform a complicated operation is provided. A controller 18 determines whether or not compaction work is in progress, calculates a front distance R that represents a distance between a rotational pivot of a boom 4 and a predetermined position B in a back surface of a bucket 6, determines a target velocity of the bucket such that a velocity with which the bucket approaches a leveling target surface decreases with increasing values of the front distance, and, during the compaction work, notifies the operator of details of an operation of operation devices 9a and 9b for achieving the target velocity of the bucket or controls hydraulic actuators 4a to 6a so as to achieve the target velocity of the bucket.
-
-
-
-
-
-
-
-
-
搜索结果
31 条记录 (耗时 0.023 秒)
