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公开(公告)号：US20200031323A1
公开(公告)日：2020-01-30
申请号：US16499018
申请日：2018-03-29
申请人： NISSIN KOGYO CO., LTD. , VEONEER NISSIN BRAKE SYSTEMS JAPAN CO., LTD. , MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA , NTN CORPORATION
发明人： Hiromasa SATOH , Toshihiro OBIKA , Yusuke KOGA , Hiromitsu TOYOTA , Haruo KOTERA , Tatsuya YAMASAKI , Yui MASUDA
摘要： A highly reliable vehicle brake system that includes an electric brake and achieves redundancy at low cost is provided.A vehicle brake system (1) includes electric brakes (16a to 16d) that include at least one unit of motors (80 and 81), and first and second control devices (10 and 11) that include a master controller (30) and a first sub-controller (40) that are connected to one another. The master controller (30) includes a driver control unit (301) that can control drivers (61 and 63), and a braking force calculation unit that calculates braking force of the electric brakes (16a to 16d). The first sub-controller (40) includes a driver control unit that controls a driver (60), and a braking force calculation unit that calculates braking force of the electric brakes (16a to 16d). The master controller (30) and the first sub-controller (40) include a determination unit that compares braking force calculation results of other controllers to determine braking force.
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公开(公告)号：US20200039484A1
公开(公告)日：2020-02-06
申请号：US16499063
申请日：2018-03-29
申请人： NISSIN KOGYO CO., LTD. , VEONEER NISSIN BRAKE SYSTEMS JAPAN CO., LTD. , MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA , NTN CORPORATION
发明人： Hiromasa SATOH , Toshihiro OBIKA , Yusuke KOGA , Hiromitsu TOYOTA , Haruo KOTERA , Tatsuya YAMASAKI , Yui MASUDA
摘要： A highly reliable vehicle brake system including an electric brake is provided.A vehicle brake system (1) includes electric brakes (16a to 16d) provided with motors (80 to 85), drivers (60 to 65) that drive the motors (80 to 85), and a control device that controls the drivers (60 to 65). The electric brake (16a) includes two motors (80 and 81), and the control device includes separate drivers (60 and 61) respectively corresponding to the two motors (80 and 81). The control device includes a first master controller (30) and a first sub-controller (40). The first master controller (30) controls the driver (61) corresponding to the motor (81), and the first sub-controller (40) controls the driver (60) corresponding to the motor 80.
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公开(公告)号：US20200031322A1
公开(公告)日：2020-01-30
申请号：US16499046
申请日：2018-03-29
申请人： NISSIN KOGYO CO., LTD. , VEONEER NISSIN BRAKE SYSTEMS JAPAN CO., LTD. , MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA , NTN CORPORATION
发明人： Hiromasa SATOH , Toshihiro OBIKA , Yusuke KOGA , Hiromitsu TOYOTA , Haruo KOTERA , Tatsuya YAMASAKI , Yui MASUDA
摘要： A highly reliable vehicle brake system that includes an electric brake and achieves redundancy at low cost is provided.A vehicle brake system (1) is provided to a wheel (Wa) of a vehicle (VB), and includes an electric brake (16a) provided with a motor (80), a driver (60) that drives the motor (80), and a first control device (10) provided with a master controller (30) and a first sub-controller (40) connected to each other. The electric brake (16a) is controllable by both the master controller (30) and the first sub-controller (40).
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公开(公告)号：US20170240148A1
公开(公告)日：2017-08-24
申请号：US15515505
申请日：2016-05-10
发明人： Haruo KOTERA , Hiromitsu TOYOTA
CPC分类号： B60T8/17 , B60T1/065 , B60T1/067 , B60T8/1755 , B60T13/741 , B60T17/221 , B60T2270/402 , B60T2270/414 , F16D65/18 , F16D65/183 , F16D65/22 , F16D2121/24
摘要： An electric brake device has at least three control units: a front-left wheel control unit for controlling a front-left wheel brake mechanism, a front-right wheel control unit for controlling a front-right wheel brake mechanism, and a rear-left/right wheel control unit for controlling a rear-left wheel brake mechanism and a rear-right wheel brake mechanism. Each of the brake mechanisms has a friction-receiving member that rotates together with the wheel, and a friction-applying member that moves while being powered by an electric actuator, and generates the braking force by pressing the friction-applying member against the friction-receiving member.
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公开(公告)号：US20200039485A1
公开(公告)日：2020-02-06
申请号：US16499146
申请日：2018-03-29
申请人： NISSIN KOGYO CO., LTD. , VEONEER NISSIN BRAKE SYSTEMS JAPAN CO., LTD. , MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA , NTN CORPORATION
发明人： Hiromasa SATOH , Toshihiro OBIKA , Yusuke KOGA , Yasushi AOKI , Hiromitsu TOYOTA , Haruo KOTERA , Tatsuya YAMASAKI , Yui MASUDA
摘要： A highly reliable vehicle brake system that includes an electric brake and achieves redundancy at low cost is provided.A vehicle brake system (1) includes a first control device (10) and a second control device (11) that respectively include a master controller (30), a first sub-controller (40), and a second sub-controller (41) that are connected to one another. Each of the master controller (30), the first sub-controller (40), and the second sub-controller (41) includes a braking force calculation unit that calculates braking force of electric brakes (16a to 16d), and a determination unit that compares braking force calculation results of the controllers to determine whether itself is normal. The determination unit includes an output block section that blocks, when the determination unit determines that any one of the controllers is not normal, an output of the controller that is determined to be not normal.
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公开(公告)号：US20170240147A1
公开(公告)日：2017-08-24
申请号：US15515395
申请日：2016-05-10
发明人： Haruo KOTERA , Hiromitsu TOYOTA
CPC分类号： B60T8/17 , B60T1/065 , B60T1/067 , B60T7/042 , B60T7/107 , B60T8/1755 , B60T8/321 , B60T8/3255 , B60T8/343 , B60T13/741 , B60T17/221 , B60T2270/402 , B60T2270/414 , F16D65/18 , F16D65/183 , F16D65/22 , F16D2121/24
摘要： An electric brake device has at least three control units: a first diagonal wheel control unit that controls a front-left wheel brake mechanism and a rear-right wheel brake mechanism which are positioned diagonally; a second diagonal wheel control unit that controls a front-right wheel brake mechanism and a rear-left wheel brake mechanism which are positioned diagonally; and a front wheel control unit that controls a front-left wheel brake mechanism and a front-right wheel brake mechanism. Each of the brake mechanisms has a friction-receiving member that rotates together with the wheel; and a friction-applying member that moves while being powered by an electric actuator, and obtains the braking force by pressing the friction-applying member against the friction-receiving member.
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公开(公告)号：US20170210361A1
公开(公告)日：2017-07-27
申请号：US15515454
申请日：2016-05-10
发明人： Haruo KOTERA , Hiromitsu TOYOTA
CPC分类号： B60T8/17 , B60T7/042 , B60T7/107 , B60T7/12 , B60T8/1766 , B60T8/885 , B60T13/741 , B60T2270/402 , F16D55/226 , F16D65/183
摘要： An electric brake device has at least three control units: a first front wheel control unit for controlling a front-left wheel brake mechanism and a front-right wheel brake mechanism; a second front wheel control unit again for controlling the front-left wheel brake mechanism and the front-right wheel brake mechanism; and a rear wheel control unit for controlling a rear-left wheel brake mechanism and a rear-right wheel brake mechanism. In case of failure of at least one of the three control units, at least one of the non-defective other control units temporarily reduces the braking force of the target brake mechanism.
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