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1. 发明授权

US08265849B2 Drive system for electrically driven dump truck 有权
标题翻译：电动自卸车用驱动系统
公开(公告)号：US08265849B2
公开(公告)日：2012-09-11
申请号：US12279476
申请日：2007-05-07
申请人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
发明人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
IPC分类号： B60W10/08 , B60W20/00
CPC分类号： B60W20/10 , B60K6/46 , B60L11/005 , B60L11/123 , B60L15/10 , B60L15/20 , B60L2200/36 , B60L2220/12 , B60L2220/14 , B60L2220/44 , B60L2260/28 , B60P1/04 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2540/10 , B60W2710/0666 , B60W2720/30 , F02D29/06 , Y02T10/6217 , Y02T10/6286 , Y02T10/645 , Y02T10/646 , Y02T10/7022 , Y02T10/7077 , Y02T10/7275 , Y10T477/23
摘要： A drive system of an electrically driven dump truck is capable of achieving an operational feeling in which the operation amount of the accelerator pedal is well balanced with the output horsepower of the electric motors, particularly at the time of slow traveling. To achieve this, the target motor output horsepower Pm0 corresponding to the operation amount of an accelerator pedal 1 is calculated. The target motor torque Tr1R, Tr1L is calculated on the basis of the target motor output horsepower Pm0 and the rotational speed ωR, ωL of electric motors 12R, 12L respectively. The acceleration torque limit values of the electric motors 12R, 12L corresponding to the operation amount of the accelerator pedal 1 are calculated, respectively. Then, smaller values are selected, as motor torque instruction values TrR, TrL, between the acceleration torque limit value and the target motor torque Tr1R, Tr1L to control inverters 73R, 73L, respectively.
摘要翻译：电动自卸车的驱动系统能够实现操作感觉，其中加速踏板的操作量与电动机的输出功率良好地平衡，特别是在行驶缓慢时。为此，计算与加速器踏板1的操作量对应的目标电动机输出功率Pm0。基于目标电动机输出功率Pm0和电动机12R，12L的转速ωR，ωL分别计算目标电动机转矩Tr1R，Tr1L。分别计算与加速踏板1的操作量对应的电动机12R，12L的加速转矩极限值。然后，分别选择较小的值作为加速转矩限制值和目标电动机转矩Tr1R，Tr1L之间的电动机转矩指令值TrR，TrL，分别控制逆变器73R，73L。

2. 发明申请

US20090251090A1 DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK 有权
标题翻译：用于电动驾驶卡车的驱动系统
公开(公告)号：US20090251090A1
公开(公告)日：2009-10-08
申请号：US12091995
申请日：2007-05-07
申请人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
发明人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
IPC分类号： H02P6/04
CPC分类号： B60W20/10 , B60K6/46 , B60K7/0007 , B60L11/08 , B60L2240/421 , B60L2240/423 , B60L2250/28 , B60L2260/54 , B60W10/08 , B60W20/00 , B60W2300/125 , B60Y2200/14 , Y02T10/6217 , Y02T10/646 , Y02T10/70 , Y02T10/7077
摘要： A drive system for an electrically driven dump truck is capable of preventing a prime mover from stalling and is also capable of enabling electric motors for traveling to make full use of the output horsepower of the prime mover up to an output limit of the prime mover. The target motor horsepower Mr1 corresponding to the operation amount p of an accelerator pedal 1 is calculated and the available maximum horsepower Mr2 for motors 12R, 12L out of the maximum output horsepower of the prime mover 4, is calculated in response to the actual revolution speed Ne of the prime mover 4. The horsepower coefficient Kp corresponding to the instantaneous revolution speed deviation ΔN is calculated. The available maximum horsepower for the electric motors is modified by the horsepower coefficient to determine the second target motor horsepower Mr3.
摘要翻译：用于电动自卸车的驱动系统能够防止原动机失速，并且还能够使电动机行驶，以充分利用原动机的输出功率直到原动机的输出极限。计算与加速器踏板1的操作量p相对应的目标马力Mr1，并且根据实际转速计算马达12R，12L在原动机4的最大输出马力之外的可用最大马力Mr2 原动机4的Ne。计算与瞬时转速偏差DeltaN对应的马力系数Kp。电动马达的最大马力可通过马力系数进行修改，以确定第二个目标马力马力Mr3。

3. 发明授权

US08249765B2 Drive system for electrically driven dump truck 有权
标题翻译：电动自卸车用驱动系统
公开(公告)号：US08249765B2
公开(公告)日：2012-08-21
申请号：US12161692
申请日：2007-05-07
申请人： Yasuo Tanaka , Yutaka Watanabe , Kichio Nakajima , Tomohiko Yasuda , Takashi Yagyu
发明人： Yasuo Tanaka , Yutaka Watanabe , Kichio Nakajima , Tomohiko Yasuda , Takashi Yagyu
IPC分类号： B60L11/00 , B60L9/00 , G05D1/00 , G05D3/00 , G06F17/00 , G06F7/00
CPC分类号： B60W20/10 , B60K6/46 , B60K7/0007 , B60L11/08 , B60L2200/36 , B60L2240/14 , B60L2240/421 , B60L2250/28 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00 , B60W2300/125 , E02F9/2075 , E02F9/2246 , F02D29/02 , F02D29/04 , F02D29/06 , Y02T10/6217 , Y02T10/6286 , Y02T10/646 , Y02T10/70 , Y02T10/7077
摘要： Engine driving characteristics are achieved for driving a hydraulic system during non-traveling and traveling in an electrically driven dump truck.When a shift lever 16 is located at a neutral position, the target revolution speed Nr1 corresponding to the operation amount (p) of an accelerator pedal 1 is calculated on the basis of first target revolution speed characteristics (Nr1(p)) which are suitable for driving of a hydraulic pump for working so that an electronic governor 4a is controlled on the basis of this target revolution speed. When the shift lever 16 is located at a forward position, the target revolution speed Nr2 corresponding to the operation amount of the accelerator pedal 1 is calculated on the basis of second target revolution speed characteristics (Nr2(p)) which are suitable for driving of electric motors 12R, 12L so that the electronic governor 4a is controlled on the basis of this target revolution speed.
摘要翻译：在电动自卸车不行驶和行驶期间，实现用于驱动液压系统的发动机驱动特性。当变速杆16位于中立位置时，基于适合的第一目标转速特性（Nr1（p））来计算与加速器踏板1的操作量（p）对应的目标转速Nr1 用于驱动用于工作的液压泵，从而基于该目标转速来控制电子调速器4a。当变速杆16位于前进位置时，基于适合于驾驶的第二目标转速特性（Nr2（p））来计算与加速器踏板1的操作量对应的目标转速Nr2 电动机12R，12L，从而基于目标转速来控制电子调速器4a。

4. 发明授权

US07863837B2 Drive system for electrically driven dump truck 有权
标题翻译：电动自卸车用驱动系统
公开(公告)号：US07863837B2
公开(公告)日：2011-01-04
申请号：US12091995
申请日：2007-05-07
申请人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
发明人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
IPC分类号： H02P5/00
CPC分类号： B60W20/10 , B60K6/46 , B60K7/0007 , B60L11/08 , B60L2240/421 , B60L2240/423 , B60L2250/28 , B60L2260/54 , B60W10/08 , B60W20/00 , B60W2300/125 , B60Y2200/14 , Y02T10/6217 , Y02T10/646 , Y02T10/70 , Y02T10/7077
摘要： A drive system for an electrically driven dump truck is capable of enabling electric motors for traveling to make full use of the output horsepower of the prime mover up to an output limit of the prime mover. A target motor horsepower corresponding to an operation amount of an accelerator pedal is calculated and an available maximum horsepower for the electric motors out of the maximum output horsepower of the prime mover is calculated in response to the actual revolution speed of the prime mover. The horsepower coefficient corresponding to the instantaneous revolution speed deviation is calculated. The available maximum horsepower for the electric motors is modified by the horsepower coefficient to determine a second target motor horsepower. The target motor horsepower is limited to not exceed the second target motor horsepower so as to control the torque of the electric motors.
摘要翻译：用于电动自卸车的驱动系统能够使电动机行驶，以充分利用原动机的输出功率直到原动机的输出极限。计算与加速器踏板的操作量相对应的目标马力，并且响应于原动机的实际转速来计算用于原动机的最大输出功率之外的电动马达的可用最大马力。计算与瞬时转速偏差对应的马力系数。电动机的可用最大功率由马力系数改变以确定第二目标马达功率。目标电动马力限制为不超过第二目标电机功率，以便控制电动机的转矩。

5. 发明申请

US20090132116A1 DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK 审中-公开
标题翻译：用于电动驾驶卡车的驱动系统
公开(公告)号：US20090132116A1
公开(公告)日：2009-05-21
申请号：US12097053
申请日：2007-05-18
申请人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
发明人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
IPC分类号： H02P6/04 , G06F7/00
CPC分类号： B60W20/10 , B60K1/02 , B60K6/46 , B60L1/003 , B60L50/61 , B60L2240/421 , B60L2240/423 , B60L2240/441 , B60L2240/486 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00 , B60W2300/125 , B60W2510/0638 , B60W2510/081 , B60W2540/10 , B60W2540/16 , B60W2550/12 , B60W2710/0644 , B60W2710/083 , B60Y2200/14 , Y02T10/6217 , Y02T10/6286 , Y02T10/642 , Y02T10/7077
摘要： A drive system of an electrically driven dump truck that includes a prime mover, an electric generator, electric motors for traveling, each of which is driven by the electric power supplied from the electric generator 5 and inverters for controlling the electric motors, respectively. A total control unit calculates a correction coefficient Kp in response to the hydraulic fluid temperature detected by a thermometer 20, and then subtracts the horsepower g(Ne) for driving the other prime mover loads, which have been corrected by use of the correction coefficient Kp, from the maximum output horsepower f(Ne) of the prime mover to determine the maximum horsepower Mr that can be used by the electric motors An inverter control unit 7 determines a target torque of the electric motors on the basis of the maximum horsepower Mr so that the inverters are controlled respectively.
摘要翻译：一种电动自卸车的驱动系统，包括原动机，发电机，行驶用电动机，分别由发电机5供给的电力和用于控制电动机的逆变器驱动。总控制单元根据由温度计20检测到的液压流体温度来计算校正系数Kp，然后减去用于驱动其它原动机负载的马力g（Ne），其通过使用校正系数Kp ，从原动机的最大输出功率f（Ne）确定可以由电动机使用的最大马力Mr变频器控制单元7基于最大马力Mr因此确定电动机的目标转矩分别控制逆变器。

6. 发明申请

US20090048064A1 DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK 有权
标题翻译：用于电动驾驶卡车的驱动系统
公开(公告)号：US20090048064A1
公开(公告)日：2009-02-19
申请号：US12279476
申请日：2007-05-07
申请人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
发明人： Yasuo Tanaka , Tomohiko Yasuda , Takashi Yagyu , Yutaka Watanabe
IPC分类号： B60W10/08 , B60W20/00
CPC分类号： B60W20/10 , B60K6/46 , B60L11/005 , B60L11/123 , B60L15/10 , B60L15/20 , B60L2200/36 , B60L2220/12 , B60L2220/14 , B60L2220/44 , B60L2260/28 , B60P1/04 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2540/10 , B60W2710/0666 , B60W2720/30 , F02D29/06 , Y02T10/6217 , Y02T10/6286 , Y02T10/645 , Y02T10/646 , Y02T10/7022 , Y02T10/7077 , Y02T10/7275 , Y10T477/23
摘要： A drive system of an electrically driven dump truck is capable of achieving an operational feeling in which the operation amount of the accelerator pedal is well balanced with the output horsepower of the electric motors, particularly at the time of slow traveling. To achieve this, the target motor output horsepower Pm0 corresponding to the operation amount of an accelerator pedal 1 is calculated. The target motor torque Tr1R, Tr1L is calculated on the basis of the target motor output horsepower Pm0 and the rotational speed ωR, ωL of electric motors 12R, 12L respectively. The acceleration torque limit values of the electric motors 12R, 12L corresponding to the operation amount of the accelerator pedal 1 are calculated, respectively. Then, smaller values are selected, as motor torque instruction values TrR, TrL, between the acceleration torque limit value and the target motor torque Tr1R, Tr1L to control inverters 73R, 73L, respectively.
摘要翻译：电动自卸车的驱动系统能够实现操作感觉，其中加速踏板的操作量与电动机的输出功率良好地平衡，特别是在行驶缓慢时。为此，计算与加速器踏板1的操作量对应的目标电动机输出功率Pm0。目标电动机转矩Tr1R，Tr1L分别基于目标电动机输出功率Pm0和电动机12R，12L的转速ωRR，ωLL来计算。分别计算与加速踏板1的操作量对应的电动机12R，12L的加速转矩极限值。然后，分别选择较小的值作为加速转矩限制值和目标电动机转矩Tr1R，Tr1L之间的电动机转矩指令值TrR，TrL，分别控制逆变器73R，73L。

7. 发明申请

US20100222951A1 DRIVE SYSTEM FOR ELECTRICALLY DRIVEN DUMP TRUCK 有权
标题翻译：用于电动驾驶卡车的驱动系统
公开(公告)号：US20100222951A1
公开(公告)日：2010-09-02
申请号：US12161692
申请日：2007-05-07
申请人： Yasuo Tanaka , Yutaka Watanabe , Kichio Nakajima , Tomohiko Yasuda , Takashi Yagyu
发明人： Yasuo Tanaka , Yutaka Watanabe , Kichio Nakajima , Tomohiko Yasuda , Takashi Yagyu
IPC分类号： G06F19/00 , F16D31/02
CPC分类号： B60W20/10 , B60K6/46 , B60K7/0007 , B60L11/08 , B60L2200/36 , B60L2240/14 , B60L2240/421 , B60L2250/28 , B60W10/06 , B60W10/08 , B60W10/30 , B60W20/00 , B60W2300/125 , E02F9/2075 , E02F9/2246 , F02D29/02 , F02D29/04 , F02D29/06 , Y02T10/6217 , Y02T10/6286 , Y02T10/646 , Y02T10/70 , Y02T10/7077
摘要： Engine driving characteristics are achieved for driving a hydraulic system during non-traveling and traveling in an electrically driven dump truck.When a shift lever 16 is located at a neutral position, the target revolution speed Nr1 corresponding to the operation amount (p) of an accelerator pedal 1 is calculated on the basis of first target revolution speed characteristics (Nr1(p)) which are suitable for driving of a hydraulic pump for working so that an electronic governor 4a is controlled on the basis of this target revolution speed. When the shift lever 16 is located at a forward position, the target revolution speed Nr2 corresponding to the operation amount of the accelerator pedal 1 is calculated on the basis of second target revolution speed characteristics (Nr2(p)) which are suitable for driving of electric motors 12R, 12L so that the electronic governor 4a is controlled on the basis of this target revolution speed.
摘要翻译：在电动自卸车不行驶和行驶期间，实现用于驱动液压系统的发动机驱动特性。当变速杆16位于中立位置时，基于适合的第一目标转速特性（Nr1（p））来计算与加速器踏板1的操作量（p）对应的目标转速Nr1 用于驱动用于工作的液压泵，从而基于该目标转速来控制电子调速器4a。当变速杆16位于前进位置时，基于适合于驾驶的第二目标转速特性（Nr2（p））来计算与加速器踏板1的操作量对应的目标转速Nr2 电动机12R，12L，从而基于目标转速来控制电子调速器4a。

8. 发明申请

US20090102273A1 Hydraulic Drive Device for Vertical Pivoting Movement of Load Carrying Platform 有权
标题翻译：载荷平台垂直摆动运动液压驱动装置
公开(公告)号：US20090102273A1
公开(公告)日：2009-04-23
申请号：US12065409
申请日：2006-08-30
申请人： Satoru Kaneko , Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki
发明人： Satoru Kaneko , Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki
IPC分类号： B60P1/16 , B60P1/04
CPC分类号： F15B11/028 , B60P1/162 , F15B2211/20523 , F15B2211/20538 , F15B2211/3116 , F15B2211/329 , F15B2211/7053
摘要： [Problems] To simplify switching control of a directional control valve and to simplify the structure of a directional control valve for controlling operation of a hoist cylinder.[Means for Solving Problems] In a hydraulic drive device for vertical pivoting movement of a load carrying platform, a first directional control valve (10) has only three switchover positions that are a neutral position (10A) relating to operation of stopping and holding a load carrying platform, a switching position (10B) relating to operation of lifting the load carrying platform, and a switch over position (10C) relating to operation of forced lowering of the load carrying platform. Further, in the device, also a second directional control valve (12) has only three switchover positions that are a neutral position (12A) relating to operation of stopping and holding a load carrying platform, a switching position (12B) relating to operation of lifting the load carrying platform, and a switchover position (12C) relating to operation of allowing the load carrying platform to fall by its own weight. The device has a first on-off valve (13), a second on-off valve (14), and a third on-off valve (15) that are proportional control solenoid valves for switching an appropriate one of the first directional control valve (10) and the second directional control valve (12).
摘要翻译： [问题]为了简化方向控制阀的切换控制，并且简化用于控制起重缸的操作的方向控制阀的结构。解决问题的手段在用于承载平台的垂直枢转运动的液压驱动装置中，第一方向控制阀（10）仅具有三个切换位置，即与停止和保持操作的操作有关的中立位置（10A）承载平台，与起重承载平台的操作有关的开关位置（10B）以及与负载承载平台的强制降低操作相关的转换位置（10C）。此外，在该装置中，第二方向控制阀（12）也只有三个切换位置，它们是与停止和保持负载平台的操作相关的中立位置（12A），与操作相关的切换位置（12B）提升承载平台，以及与允许承载平台自身落下的操作有关的切换位置（12C）。该装置具有第一开关阀（13），第二开关阀（14）和第三开关阀（15），第三开关阀（15）是比例控制电磁阀，用于切换第一方向控制阀（10）和第二方向控制阀（12）。

9. 发明授权

US07797935B2 Hydraulic drive device for dump truck 有权
标题翻译：自卸车液压驱动装置
公开(公告)号：US07797935B2
公开(公告)日：2010-09-21
申请号：US12064940
申请日：2006-08-22
申请人： Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki , Satoru Kaneko
发明人： Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki , Satoru Kaneko
IPC分类号： B60K8/00 , F15B11/00
CPC分类号： B60W10/30 , B60K6/46 , B60K25/00 , B60L11/08 , B60L2220/44 , B60L2260/28 , B60P1/162 , B60W10/06 , B60W10/08 , B60W20/00 , B60W2300/12 , B60W2710/0644 , B60Y2200/14 , B65F3/00 , F02D29/04 , F02D29/06 , F16H61/475 , Y02T10/6217 , Y02T10/70 , Y02T10/7077 , Y02W30/10
摘要： A hydraulic drive system is provided with a generator 8 for outputting electricity corresponding to a rotation speed of an engine 7, an electric motor 11 drivable responsive to the electricity from the generator 8, hydraulic pumps 12a, 12b drivable by the electric motor 11, truck-body elevating cylinders 6 for pivoting a truck body 5 in an up-and-down direction, and a stroke detector 14 for detecting a stroke of the control apparatus of the truck-body elevating cylinders 6, and is also provided with a controller 19 for performing control of engine rotation speed. The controller 19 includes a motor electric-power computing means 19a for determining electric power for the electric motor 11, which corresponds to the stroke detected by the stroke detector 14, and a discrimination means 19b for discriminating whether or not the electricity from the generator 8 has become greater than the thus-determined electric power for the electric motor 1.
摘要翻译：液压驱动系统设有发电机8，用于输出对应于发动机7的转速的电力;响应于发电机8的电力驱动的电动机11;由电动机11驱动的液压泵12a，12b;卡车用于使上下方向的卡车车身5摆动的主体升降缸6，以及用于检测车体升降缸6的控制装置的行程的行程检测器14，还具备控制器19 用于执行发动机转速的控制。控制器19包括用于确定电动机11的电力的电动机功率计算装置19a，其对应于由行程检测器14检测到的行程，以及用于鉴别来自发电机8的电力的鉴别装置19b 已经变得大于由此确定的用于电动机1的电力。

10. 发明授权

US07740323B2 Hydraulic drive device for vertical pivoting movement of load carrying platform 有权
标题翻译：用于承载平台垂直摆动的液压驱动装置
公开(公告)号：US07740323B2
公开(公告)日：2010-06-22
申请号：US12065409
申请日：2006-08-30
申请人： Satoru Kaneko , Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki
发明人： Satoru Kaneko , Tomohiko Yasuda , Takashi Yagyu , Yasuo Tanaka , Michio Fushiki
IPC分类号： B60P1/04 , F15B11/028 , F15B11/04 , F15B11/08
CPC分类号： F15B11/028 , B60P1/162 , F15B2211/20523 , F15B2211/20538 , F15B2211/3116 , F15B2211/329 , F15B2211/7053
摘要： In a hydraulic drive device for vertical pivoting movement of a load carrying platform, a first directional control valve has only three switchover positions, including a neutral position relating to operation of stopping and holding a load carrying platform, a switching position relating to operation of lifting the load carrying platform, and a switch over position relating to operation of forced lowering of the load carrying platform. A second directional control valve has only three switchover positions, including a neutral position, a switching position, and a switchover position relating to operation of allowing the load carrying platform to fall by its own weight. The device includes a first on-off valve, a second on-off valve, and a third on-off valve that are proportional control solenoid valves for switching an appropriate one of the first and second directional control valves.
摘要翻译：在用于负载平台的垂直枢转运动的液压驱动装置中，第一方向控制阀仅具有三个切换位置，包括与停止和保持承载平台的操作有关的中立位置，与提升操作相关的切换位置承载平台，以及与负载平台的强制降低操作有关的切换位置。第二方向控制阀仅具有三个切换位置，包括中立位置，切换位置以及与允许承载平台自重下降的操作有关的切换位置。该装置包括第一开关阀，第二开关阀和第三开关阀，其是用于切换第一和第二方向控制阀中适当的一个的比例控制电磁阀。

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