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公开(公告)号：US20130013159A1
公开(公告)日：2013-01-10
申请号：US13579995
申请日：2011-01-18
申请人： Hidekazu Moriki , Satoru kaneko , Shiho Izumi , Takashi Ikimi , Hiroyuki Yamada , Nobuo Masano
发明人： Hidekazu Moriki , Satoru kaneko , Shiho Izumi , Takashi Ikimi , Hiroyuki Yamada , Nobuo Masano
CPC分类号： H02P21/06 , B66F9/20 , B66F9/22 , F15B11/02 , F15B2211/20515 , F15B2211/20538 , F15B2211/20569 , F15B2211/275 , H02P21/05
摘要： Provided is an actuator control system capable of suppressing vibrations during regeneration. The actuator control system is provided with a target speed computing means (121) for computing a target rpm for the electric motor, a load sensing means (2) for sensing a load applied to an actuator, a torque instruction computing means (123) for computing a torque instruction for the electric motor based on the load, a current instruction computing means (131) for computing a vector instruction on a current, which is to be allowed to flow to the electric motor, from the torque instruction, a current sensing means (5a), a current conversion means (132) for converting a current to a current vector, a voltage instruction computing means (133) for computing a voltage vector instruction corresponding to a deviation between the current vector instruction and the current vector, and a voltage conversion means (134) for converting the voltage vector instruction to a voltage instruction, and further, outputting the voltage instruction to a control unit for the electric motor. The current conversion means and voltage conversion means perform the respective conversions based on the target rpm computed by the target speed computing means.
摘要翻译： 提供能够抑制再生时的振动的致动器控制系统。 致动器控制系统设有用于计算用于电动机的目标转速的目标速度计算装置（121），用于感测施加到致动器的负载的负载感测装置（2），用于 基于负载计算用于电动机的转矩指令;当前指令计算装置（131），用于从转矩指令计算要被允许流向电动机的电流的矢量指令，电流感测 装置（5a），用于将电流转换为电流矢量的电流转换装置（132），用于计算与当前矢量指令和当前矢量之间的偏差相对应的电压矢量指令的电压指令计算装置（133），以及 用于将电压矢量指令转换为电压指令的电压转换装置（134），并且还将电压指令输出到用于电动机的控制单元。 电流转换装置和电压转换装置基于由目标速度计算装置计算出的目标转速执行各自的转换。
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公开(公告)号：US20110297486A1
公开(公告)日：2011-12-08
申请号：US13201468
申请日：2010-02-17
申请人： Satoru Kaneko , Takashi Ikimi , Shiho Izumi , Hidekazu Moriki , Nobuo Masano
发明人： Satoru Kaneko , Takashi Ikimi , Shiho Izumi , Hidekazu Moriki , Nobuo Masano
摘要： [Object]To enable stable cargo handling operation and high-efficiency recovery of regenerative electric power by means of simple configuration.[Solution]In a forklift which includes linear actuators that convert rotational motion into linear motion, the linear actuators being provided in a plurality of fork parts of a cargo handling drive device, the forklift includes induction motors that drive each of the plurality of actuators provided in the plurality of fork parts, an inverter that drives the induction motors in the same manner, and a controller that controls the inverter, and the controller computes a slip frequency by using the lowest detection value among detection values from detectors that detect each of rotation speeds of the plurality of induction motors.
摘要翻译： [对象]通过简单的配置实现稳定的货物处理操作和再生电力的高效回收。 [解决方案]在包括将旋转运动转换成直线运动的线性致动器的叉车中，线性致动器设置在货物处理驱动装置的多个叉部中，叉车包括驱动多个致动器中的每个致动器的感应马达 在多个叉部中，以相同的方式驱动感应电动机的逆变器和控制逆变器的控制器，并且控制器通过使用检测每个旋转的检测器的检测值中的最低检测值来计算转差频率 多个感应电动机的速度。
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公开(公告)号：US20110313608A1
公开(公告)日：2011-12-22
申请号：US13202143
申请日：2010-03-31
申请人： Shiho Izumi , Satoru Kaneko , Takashi Ikimi , Nobuo Masano
发明人： Shiho Izumi , Satoru Kaneko , Takashi Ikimi , Nobuo Masano
CPC分类号： B60L1/00 , B60L1/003 , B60L1/20 , B60L7/16 , B60L11/005 , B60L2200/40 , B60L2200/42 , B60L2210/10 , B60L2240/547 , B60L2240/549 , B66F9/24 , E02F9/2075 , E02F9/2091 , H02J7/345 , H02P3/14 , Y02P90/60 , Y02T10/642 , Y02T10/7022 , Y02T10/7216
摘要： A construction machine or industrial vehicle having a power supply system which includes a chargeable and dischargeable capacitor and a feeder circuit connecting a battery and the capacitor to a load capable of power running and regeneration. The capacitor is connected through a DC/DC converter which includes a controller that controls energy charged or discharged by the capacitor through the DC/DC converter to the load. The controller includes a power running/regeneration operation estimater which estimates an operation pattern including a point of change between power running and regeneration modes of the motor, or DC current supplied to an inverter, or control lever information and previously stored operation pattern information, and a capacitor target voltage calculator which controls an output command value of the DC/DC converter according to the estimated operation pattern so that a capacitor target voltage sequentially decreases in power running and sequentially increases in regeneration.
摘要翻译： 一种具有电源系统的施工机械或工业车辆，该供电系统包括可充电和可放电的电容器，以及将电池和电容器连接到能够进行电力再生的负载的馈电电路。 电容器通过DC / DC转换器连接，该DC / DC转换器包括一个控制器，该控制器控制电容器通过DC / DC转换器对负载进行充电或放电的能量。 该控制器包括功率运行/再生运行估计器，其估计包括电动机的动力运行和再生模式之间的变化点，或者提供给逆变器的直流电流，控制杆信息和预先存储的运行模式信息的运行模式，以及 电容器目标电压计算器，其根据估计的操作模式控制DC / DC转换器的输出指令值，使得电力目标电压在功率运行中顺序地减小，并且再生顺序地增加。
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公开(公告)号：US08831805B2
公开(公告)日：2014-09-09
申请号：US13202143
申请日：2010-03-31
申请人： Shiho Izumi , Satoru Kaneko , Takashi Ikimi , Nobuo Masano
发明人： Shiho Izumi , Satoru Kaneko , Takashi Ikimi , Nobuo Masano
IPC分类号： B60L1/00
CPC分类号： B60L1/00 , B60L1/003 , B60L1/20 , B60L7/16 , B60L11/005 , B60L2200/40 , B60L2200/42 , B60L2210/10 , B60L2240/547 , B60L2240/549 , B66F9/24 , E02F9/2075 , E02F9/2091 , H02J7/345 , H02P3/14 , Y02P90/60 , Y02T10/642 , Y02T10/7022 , Y02T10/7216
摘要： A construction machine or industrial vehicle having a power supply system which includes a chargeable and dischargeable capacitor and a feeder circuit connecting a battery and the capacitor to a load capable of power running and regeneration. The capacitor is connected through a DC/DC converter which includes a controller that controls energy charged or discharged by the capacitor through the DC/DC converter to the load. The controller includes a power running/regeneration operation estimater which estimates an operation pattern including a point of change between power running and regeneration modes of the motor, or DC current supplied to an inverter, or control lever information and previously stored operation pattern information, and a capacitor target voltage calculator which controls an output command value of the DC/DC converter according to the estimated operation pattern so that a capacitor target voltage sequentially decreases in power running and sequentially increases in regeneration.
摘要翻译： 一种具有电源系统的施工机械或工业车辆，该供电系统包括可充电和可放电的电容器，以及将电池和电容器连接到能够进行电力再生的负载的馈电电路。 电容器通过DC / DC转换器连接，该DC / DC转换器包括一个控制器，该控制器控制电容器通过DC / DC转换器对负载进行充电或放电的能量。 该控制器包括功率运行/再生运行估计器，其估计包括电动机的动力运行和再生模式之间的变化点，或者提供给逆变器的直流电流，控制杆信息和预先存储的运行模式信息的运行模式，以及 电容器目标电压计算器，其根据估计的操作模式控制DC / DC转换器的输出指令值，使得电力目标电压在功率运行中顺序地减小，并且再生顺序地增加。
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公开(公告)号：US06688416B2
公开(公告)日：2004-02-10
申请号：US10204791
申请日：2002-08-23
申请人： Masami Higaki , Hiromi Ishida , Nobuo Masano , Seishi Morishita
发明人： Masami Higaki , Hiromi Ishida , Nobuo Masano , Seishi Morishita
IPC分类号： B60K1730
CPC分类号： B60K7/0007 , B60K17/043 , B60K17/303 , B60K2007/0046 , B60K2007/0061 , B60L2220/46 , B60Y2200/15 , B62D7/1509 , B66F9/07572
摘要： Front wheels (3) are attached to transmission devices (30) which are mounted to the vehicle body (2) to be rotatable around vertical axes (27), and rotating means (55) are provided between the side of the vehicle body (2) and the transmission devices (30), whereby the front wheels are steered to turn laterally at substantially right angles. An electric motor (40) is attached to the transmission device (30) to be located under the vertical axis (27). A case body (41) of the electric motor (40) is constructed by an outer case part (41A) and a non-loaded side bracket (41B), and a loaded side end portion of the outer case-part (41A) is connected to the transmission device case body (31). The drive shaft (44) is rotatably supported by the non-loaded side bracket (41B) at one end and by the transmission device case body (31) at the other end. A driving portion (34) provided at the other end side of the drive shaft (44) is operatively connected to an axle (28). As a result, a traveling drive device section can be constructed to be compact with assembling easiness.
摘要翻译： 前轮（3）被安装到安装到车体（2）上以围绕垂直轴线（27）旋转的传动装置（30），并且旋转装置（55）设置在车身（2） ）和传动装置（30），由此前轮被转向以基本上直角横向转动。 传动装置（30）将电动机（40）安装在垂直轴（27）的下方。 电动机（40）的壳体（41）由外壳部（41A）和无负载侧支架（41B）构成，外壳部（41A）的负载侧端部为 连接到传动装置壳体（31）。 驱动轴（44）在一端由无载侧支架（41B）可旋转地支撑，另一端由传动装置壳体（31）可旋转地支撑。 设置在驱动轴（44）的另一端侧的驱动部分（34）可操作地连接到轴（28）。 结果，行驶驱动装置部分可以构造成紧凑的组装容易性。
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公开(公告)号：US4733600A
公开(公告)日：1988-03-29
申请号：US20735
申请日：1987-03-02
申请人： Nobuo Masano
发明人： Nobuo Masano
CPC分类号： F15B13/0422
摘要： An apparatus for controlling the angular position of the booms of an earthwork vehicle such as a wheeled tractor loader includes a shock absorber, by which the hydraulic pressure to be applied to a cargo handling valve for changing the position of a valve spool therein is lowered so as to lessen the shocks which are felt when the booms come to a stop position.
摘要翻译： 一种用于控制诸如轮式牵引车装载机的土方工程车辆的起重臂的角位置的装置包括减震器，通过该减震器将用于改变其阀芯位置的货物处理阀的液压降低到其中 以减轻当繁荣停止的时候感到的冲击。
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