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公开(公告)号：US10024925B2
公开(公告)日：2018-07-17
申请号：US15200707
申请日：2016-07-01
发明人： Ryo Mano , Teruo Ishishita , Hiroyuki Obata
摘要： A control system for a battery includes a current sensor and an electronic control unit. The electronic control unit is configured to calculate a first error and a second offset error of the current sensor respectively based on outputs of the current sensor just before a stop of the electronic control unit and at startup of the electronic control unit. The electronic control unit is configured to correct an output of the current sensor by using a first error when a temperature of the current sensor at startup of the electronic control unit is higher than or equal to a threshold temperature, and correct the output of the current sensor by using a second error when the temperature of the current sensor at startup of the electronic control unit is lower than the threshold temperature.
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公开(公告)号：US09821794B2
公开(公告)日：2017-11-21
申请号：US14918885
申请日：2015-10-21
发明人： Koichiro Muta , Hideki Kamatani , Takao Itoh , Makoto Yamasaki , Ryo Mano , Masahiro Kagami , Hiroki Endo
IPC分类号： B60W20/16 , B60K6/445 , F01N3/20 , F02D29/02 , B60W10/06 , B60W10/08 , B60W10/26 , B60W20/00 , B60W20/40
CPC分类号： B60W20/16 , B60K6/445 , B60W10/06 , B60W10/08 , B60W10/26 , B60W20/00 , B60W20/40 , B60W2530/12 , B60W2710/06 , B60W2710/242 , F01N3/20 , F01N2240/16 , F02D29/02 , Y02T10/54 , Y02T10/6239 , Y02T10/6286 , Y10S903/905
摘要： When a catalyst temperature is lower than a predetermined temperature on a second or subsequent start of an engine since system activation of a vehicle, a catalyst warm-up request is output for the purpose of warming up a catalyst in a catalytic converter. An output limit Wout of a battery is not increased in response to a second or subsequent output of the catalyst warm-up request, while being increased in response to a first output of the catalyst warm-up request. Accordingly, the catalyst warm-up in response to the second or subsequent output of the catalyst warm-up request since the system activation suppresses excessive output of electric power from the battery and thereby suppresses deterioration of the battery. Catalyst warm-up is performed in response to the second or subsequent output of the catalyst warm-up request. This suppresses deterioration of emission. As a result, this configuration satisfies both (balances) suppression of deterioration of the battery and suppression of deterioration of emission.
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公开(公告)号：US10220720B2
公开(公告)日：2019-03-05
申请号：US15211287
申请日：2016-07-15
发明人： Teruo Ishishita , Ryo Mano , Hiroyuki Obata , Takashi Ogura
摘要： A power supply system includes a controller. The controller is configured to; a) control charging and discharging of an electrical storage device upon reception of an output of a current sensor and a voltage sensor, b) calculate a control current value by subtracting an offset value from a detected value of the current sensor, c) calculate a first determination result and a second determination result, respectively obtained by determining whether the electrical storage device is being charged or discharged based on the control current value, and based on a change in a remaining amount of charge of the electrical storage device, and d) when the first determination result and the second determination result differ from each other, change the offset value such that the first determination result coincides with the second determination result.
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公开(公告)号：US10283980B2
公开(公告)日：2019-05-07
申请号：US15103104
申请日：2014-12-10
发明人： Ryo Mano , Teruo Ishishita
摘要： When a voltage value of an electrical storage device becomes higher than a predetermined voltage value for identifying an overcharged state of the electrical storage device, calculation of a heat generation amount of the electrical storage device based on a current value is started. When the calculated heat generation amount is larger than a predetermined amount, it is determined that the electrical storage device is in an abnormal state (abnormal state related to heating). Because the electrical storage device enters an easily heated state when the voltage value becomes higher than the predetermined voltage value, the heat generation amount may be monitored by starting calculation of the heat generation amount. Once the voltage value becomes higher than the predetermined voltage value, irrespective of a high/low relationship between the voltage value and the predetermined voltage value, the abnormal state may be determined by monitoring the heat generation amount.
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