公开(公告)号：US20140018987A1

公开(公告)日：2014-01-16

申请号：US14000019

申请日：2011-02-18

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60L15/20

CPC分类号： B60L15/2045 ,  B60K23/0808 ,  B60L3/108 ,  B60L7/10 ,  B60L15/20 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/463 ,  B60T8/175 ,  B60W10/08 ,  B60W30/18 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/403 ,  B60W2720/406 ,  Y02T10/56 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7283 ,  Y02T10/84

摘要： A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.2 and based on the instructed torque and torque optimizing efficiency, a torque distribution value for each of the motors such that total efficiency ηtotal=Σ((Tn/T)×ηdn×ηλn) is maximized; and controls based on the calculated torque distribution values, torque distribution among motors.

摘要翻译： 扭矩分配装置获取指令的扭矩输入和马达效率图; 检测车速和驱动轮转速; 基于速度，驱动轮上的滑移率的关系表达式和摩擦系数进行计算; 基于关系表达式创建表示转矩驱动轮转速关系的性能曲线表达式，将性能曲线表达式叠加在电动机效率图上，创建一个效率变化表达式，其表示每个车辆速度，扭矩和效率值 电动机效率图，并根据效率变化表达式计算优化效率的转矩; 在滑差率为0〜0.2的范围内，根据指示的转矩和转矩优化效率计算出每个电动机的转矩分配值，使总效率etatotal = Sigma（（Tn / T）×etadn×etalambdan） 最大化 并根据计算出的转矩分布值，电动机之间的转矩分配进行控制。

公开(公告)号：US20140067181A1

公开(公告)日：2014-03-06

申请号：US14000293

申请日：2011-02-18

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60L15/20

CPC分类号： B60L15/20 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/463 ,  B60T8/00 ,  B60T8/175 ,  B60W10/08 ,  B60W30/18 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/403 ,  B60W2720/406 ,  Y02T10/56 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7275 ,  Y02T10/84

摘要： A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values.

摘要翻译： 扭矩分配装置获取指示的扭矩输入和马达的马达效率图; 检测车速和驱动轮转速; 基于检测到的速度，驱动轮滑移率和摩擦系数的关系表达式计算; 基于关系表达式创建表示扭矩与驱动轮转速之间的关系的性能曲线表达式，将性能曲线表达式叠加在电动机效率图上，创建指示每个车速的效率变化表达式，转矩和效率值 电动机效率图，并计算从效率变化表达式优化效率的转矩; 根据指示的转矩和转矩优化效率计算每个电动机的转矩分配值; 并且在滑移率为0〜0.2的范围内，并基于转矩分布值，控制到各电动机的转矩分配。

公开(公告)号：US20140046568A1

公开(公告)日：2014-02-13

申请号：US14113140

申请日：2011-04-21

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Kazutoshi Kitano ,  Chihiro Kawabata ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Kazutoshi Kitano ,  Chihiro Kawabata ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60K28/16

CPC分类号： B60K28/16 ,  B60K7/0007 ,  B60K17/356 ,  B60K2007/0038 ,  B60K2007/0092 ,  B60L3/104 ,  B60L3/108 ,  B60L7/14 ,  B60L9/18 ,  B60L11/126 ,  B60L15/20 ,  B60L15/2009 ,  B60L15/2036 ,  B60L2220/44 ,  B60L2240/12 ,  B60L2240/16 ,  B60L2240/20 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/461 ,  B60L2240/465 ,  B60L2240/622 ,  B60L2250/26 ,  B60L2260/28 ,  B60L2260/30 ,  B60W10/00 ,  B60W10/08 ,  B60W30/18127 ,  B60W30/18172 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/30 ,  Y02T10/6217 ,  Y02T10/642 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7077 ,  Y02T10/7275 ,  Y02T10/7291 ,  Y02T90/16 ,  Y02T90/162

摘要： A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors.

摘要翻译： 扭矩分配装置包括获取输入指示扭矩的指示扭矩获取单元，确定是否进行动力运行控制或再生制动的判定单元，基于判定结果的效率图获取单元取得马达效率图， 车速检测单元，驱动轮转速检测，计算驱动轮的滑移率的滑移率计算单元，基于滑移率的运算单元，生成表示效果变化表达式，该效果变化表达式表示表示 驱动轮转速与转矩之间的关系，基于滑移率，指示转矩和转矩优化效率计算的分配单元，使得动力运行和再生期间的总效率最大化的转矩分配值，以及控制单元 它控制到电机的转矩分配。

公开(公告)号：US09014897B2

公开(公告)日：2015-04-21

申请号：US14000019

申请日：2011-02-18

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60L8/00 ,  B60L15/20 ,  B60W10/08 ,  B60W30/18 ,  B60T8/175 ,  B60K23/08

CPC分类号： B60L15/2045 ,  B60K23/0808 ,  B60L3/108 ,  B60L7/10 ,  B60L15/20 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/463 ,  B60T8/175 ,  B60W10/08 ,  B60W30/18 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/403 ,  B60W2720/406 ,  Y02T10/56 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7283 ,  Y02T10/84

摘要： A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.2 and based on the instructed torque and torque optimizing efficiency, a torque distribution value for each of the motors such that total efficiency ηtotal=Σ((Tn/T)×ηdn×ηλn) is maximized; and controls based on the calculated torque distribution values, torque distribution among motors.

摘要翻译： 扭矩分配装置获取指令的扭矩输入和马达效率图; 检测车速和驱动轮转速; 基于速度，驱动轮上的滑移率的关系表达式和摩擦系数进行计算; 基于关系表达式创建表示转矩驱动轮转速关系的性能曲线表达式，将性能曲线表达式叠加在电动机效率图上，创建一个效率变化表达式，其表示每个车辆速度，扭矩和效率值 电动机效率图，并根据效率变化表达式计算优化效率的转矩; 在滑差率范围为0〜0.2的范围内，根据指示的转矩和转矩优化效率计算出每个电机的转矩分配值，使得总效率和总计=（S（Tn / T）×＆eegr ; dn×＆eegr;λn）最大化; 并根据计算出的转矩分布值，电动机之间的转矩分配进行控制。

公开(公告)号：US09073449B2

公开(公告)日：2015-07-07

申请号：US14003134

申请日：2011-03-10

申请人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

发明人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

IPC分类号： B60W20/00 ,  B60L15/20 ,  B60L15/02 ,  H02P23/14 ,  H02P5/74

CPC分类号： B60L15/2045 ,  B60L3/12 ,  B60L7/14 ,  B60L7/16 ,  B60L15/025 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/14 ,  B60L2240/22 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/427 ,  B60L2240/429 ,  B60L2240/463 ,  B60L2260/28 ,  H02P5/74 ,  H02P23/14 ,  Y02T10/643 ,  Y02T10/646 ,  Y02T10/7283

摘要： An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.

摘要翻译： 效率图生成装置（100）生成与移动体的驱动轮连接的电动机（M）的效率图，并且包括检测多个电动机（M）的指示的转矩输入的指示转矩检测单元（111） 扭矩分配单元，其基于指示的扭矩向多个电动机（M）分配扭矩;功率检测单元（113），其检测电动机（M）的功率消耗;旋转计数检测单元（103） ），以及效率图生成单元（114），其基于多个组合中的转矩，功率消耗和旋转计数来生成电动机效率图（115），其中， 扭矩分配单元（112）使得多个电动机（M）中的任一个产生再生转矩。

公开(公告)号：US09045057B2

公开(公告)日：2015-06-02

申请号：US14003367

申请日：2011-03-10

申请人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

发明人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

IPC分类号： B60W10/20 ,  B60L15/20 ,  H02P5/74 ,  B60L15/02 ,  H02P23/14

CPC分类号： B60L15/2045 ,  B60L3/12 ,  B60L15/025 ,  B60L2220/46 ,  B60L2240/14 ,  B60L2240/22 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2260/28 ,  B60L2260/46 ,  H02P5/74 ,  H02P23/14 ,  Y02T10/643 ,  Y02T10/646 ,  Y02T10/7283

摘要： An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.

公开(公告)号：US08935032B2

公开(公告)日：2015-01-13

申请号：US14000293

申请日：2011-02-18

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Chihiro Kawabata ,  Kazutoshi Kitano ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60L9/00 ,  B60L15/20 ,  B60T8/00 ,  B60W10/08 ,  B60W30/18 ,  B60T8/175

CPC分类号： B60L15/20 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/463 ,  B60T8/00 ,  B60T8/175 ,  B60W10/08 ,  B60W30/18 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/403 ,  B60W2720/406 ,  Y02T10/56 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7275 ,  Y02T10/84

摘要： A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values.

摘要翻译： 扭矩分配装置获取指示的扭矩输入和马达的马达效率图; 检测车速和驱动轮转速; 基于检测到的速度，驱动轮滑移率和摩擦系数的关系表达式计算; 基于关系表达式创建表示扭矩与驱动轮转速之间的关系的性能曲线表达式，将性能曲线表达式叠加在电动机效率图上，创建指示每个车速的效率变化表达式，转矩和效率值 电动机效率图，并计算从效率变化表达式优化效率的转矩; 根据指示的转矩和转矩优化效率计算每个电动机的转矩分配值; 并且在滑移率为0〜0.2的范围内，并基于转矩分布值，控制到各电动机的转矩分配。

公开(公告)号：US08849538B2

公开(公告)日：2014-09-30

申请号：US14113140

申请日：2011-04-21

申请人： Masahiro Kato ,  Eiji Muramatsu ,  Kazutoshi Kitano ,  Chihiro Kawabata ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

发明人： Masahiro Kato ,  Eiji Muramatsu ,  Kazutoshi Kitano ,  Chihiro Kawabata ,  Kazunobu Hashimoto ,  Yoshikazu Takeuchi

IPC分类号： B60T7/12 ,  B60W10/08 ,  B60L11/12 ,  B60W30/18 ,  B60W10/00 ,  B60L15/20 ,  B60K28/16 ,  B60L3/10 ,  B60L7/14 ,  B60L9/18 ,  B60K7/00

CPC分类号： B60K28/16 ,  B60K7/0007 ,  B60K17/356 ,  B60K2007/0038 ,  B60K2007/0092 ,  B60L3/104 ,  B60L3/108 ,  B60L7/14 ,  B60L9/18 ,  B60L11/126 ,  B60L15/20 ,  B60L15/2009 ,  B60L15/2036 ,  B60L2220/44 ,  B60L2240/12 ,  B60L2240/16 ,  B60L2240/20 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/461 ,  B60L2240/465 ,  B60L2240/622 ,  B60L2250/26 ,  B60L2260/28 ,  B60L2260/30 ,  B60W10/00 ,  B60W10/08 ,  B60W30/18127 ,  B60W30/18172 ,  B60W2520/10 ,  B60W2520/26 ,  B60W2720/30 ,  Y02T10/6217 ,  Y02T10/642 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/7077 ,  Y02T10/7275 ,  Y02T10/7291 ,  Y02T90/16 ,  Y02T90/162

摘要： A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors.

摘要翻译： 扭矩分配装置包括获取输入指示扭矩的指示扭矩获取单元，确定是否进行动力运行控制或再生制动的判定单元，基于判定结果的效率图获取单元取得马达效率图， 车速检测单元，驱动轮转速检测，计算驱动轮的滑移率的滑移率计算单元，基于滑移率的运算单元，生成表示效果变化表达式，该效果变化表达式表示表示 驱动轮转速与转矩之间的关系，基于滑移率，指示转矩和转矩优化效率计算的分配单元，使得动力运行和再生期间的总效率最大化的转矩分配值，以及控制单元 它控制到电机的转矩分配。

公开(公告)号：US20140018989A1

公开(公告)日：2014-01-16

申请号：US14003367

申请日：2011-03-10

申请人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

发明人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

IPC分类号： B60L15/20

CPC分类号： B60L15/2045 ,  B60L3/12 ,  B60L15/025 ,  B60L2220/46 ,  B60L2240/14 ,  B60L2240/22 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2260/28 ,  B60L2260/46 ,  H02P5/74 ,  H02P23/14 ,  Y02T10/643 ,  Y02T10/646 ,  Y02T10/7283

摘要： An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.

摘要翻译： 效率图生成装置（100）生成与移动体的驱动轮连接的电动机（M）的效率图，并且包括检测多个电动机（M）的指示的转矩输入的指示转矩检测单元（111） 扭矩分配单元，其基于指示的扭矩向多个电动机（M）分配扭矩;功率检测单元（113），其检测电动机（M）的功率消耗;旋转计数检测单元（103） ），以及效率图生成单元（114），其基于多个组合中的转矩，功率消耗和旋转计数来生成电动机效率图（115），其中， 扭矩分配单元（112）使得多个电动机（M）中的任一个产生再生转矩。

公开(公告)号：US20140018988A1

公开(公告)日：2014-01-16

申请号：US14003134

申请日：2011-03-10

申请人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

发明人： Kazutoshi Kitano ,  Masahiro Kato ,  Yoshikazu Takeuchi ,  Kazunobu Hashimoto ,  Chihiro Kawabata ,  Eiji Muramatsu

IPC分类号： B60L15/20

CPC分类号： B60L15/2045 ,  B60L3/12 ,  B60L7/14 ,  B60L7/16 ,  B60L15/025 ,  B60L2220/42 ,  B60L2220/46 ,  B60L2240/14 ,  B60L2240/22 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/427 ,  B60L2240/429 ,  B60L2240/463 ,  B60L2260/28 ,  H02P5/74 ,  H02P23/14 ,  Y02T10/643 ,  Y02T10/646 ,  Y02T10/7283

摘要： An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.