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公开(公告)号：US20230369618A1
公开(公告)日：2023-11-16
申请号：US18030601
申请日：2021-09-21
发明人： Norihiro FUKAYA , Takao WATANABE , Ryoichi HIBINO
IPC分类号： H01M8/04858 , H01M8/04492 , H01M8/0432 , H01M8/04537 , H01M8/04664
CPC分类号： H01M8/0494 , H01M8/04492 , H01M8/04365 , H01M8/04559 , H01M8/04619 , H01M8/04679 , H01M8/0488 , H01M8/0491
摘要： A fuel cell control command device including: a catalyst potential calculation unit for calculating a catalyst potential of a cathode catalyst; a coating state calculation unit for calculating an oxide film formation amount of the catalyst; a command value candidate calculation unit for calculating a plurality of command value candidates including a combination of an estimated current, estimated total voltage, and a candidate control parameter, from which a power command value is obtained; a loss amount calculation unit for calculating an estimated loss for each combination; a provisional catalyst potential calculation unit for calculating an estimated catalyst potential for each combination; a deterioration amount calculation unit for calculating an estimated deterioration amount for each combination; and a command value calculation unit for selecting a combination having a minimum comprehensive index including the estimated loss and/or the estimated deterioration amount and outputting the selected combination as a command value.
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公开(公告)号：US20230163334A1
公开(公告)日：2023-05-25
申请号：US17916891
申请日：2021-04-30
发明人： Ryoichi HIBINO , Norihiro FUKAYA , Takao WATANABE
IPC分类号： H01M8/04992 , H01M8/04492 , H01M8/04537 , H01M8/04858
CPC分类号： H01M8/04992 , H01M8/04492 , H01M8/04537 , H01M8/04873
摘要： A catalyst deterioration suppression device includes: a first device obtaining a fuel cell voltage V (=catalyst voltage Vcat) as a variable to estimate a response speed (time constant τ) at which a coverage ratio of an oxide film of catalyst particles contained in a fuel cell cathode changes; a second device reading out a time constant τt corresponding to the voltage V at a current time t from a pre-made map A representing a relationship between the voltage V and the time constant τ and corresponding to the catalyst particles; a third device generating a continuous-time type dynamic filter F(s, τ) by using the time constant τt and converting the continuous-time type dynamic filter F(s, τ) to a discrete-time type dynamic filter F(z, τ); and a fourth device inputting a target voltage Vr to the discrete-time type dynamic filter F(z, τ) and outputting a corrected target voltage Vr-fil.
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公开(公告)号：US20190329658A1
公开(公告)日：2019-10-31
申请号：US16388970
申请日：2019-04-19
发明人： Teruhiko NAKAZAWA , Ryoichi HIBINO , Makoto KUSAKABE , Yasumitsu OSADA , Shoji NAKAHARA , Hiroyuki NISHIZAWA , Yasuhiro TORII
摘要： A vehicle driving apparatus includes a first motor, a second motor, and a planetary mechanism, and obtains a driving force by combining motive forces obtained from the first motor and the second motor by a planetary gear of the planetary mechanism. The vehicle driving apparatus includes at least one of a design value and a control quantity in which a frequency ratio between a sound generated by a rotation of the first motor and a sound generated by a rotation of the second motor satisfies a reduction condition of dissonance.
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公开(公告)号：US20230361327A1
公开(公告)日：2023-11-09
申请号：US18026444
申请日：2021-09-21
发明人： Takao WATANABE , Norihiro FUKAYA , Ryoichi HIBINO
IPC分类号： H01M8/04858 , H01M8/04537
CPC分类号： H01M8/04947 , H01M8/04932 , H01M8/04611 , H01M8/04626
摘要： An operation mode of a secondary battery (BAT) is determined based on state of charge of BAT. A power generation provisional command value of fuel cell (FC) at time i is determined to maximize efficiency of FC based on system required power and state of charge of BAT at time i. An intermittent ON/OFF state at time i is determined such that switching of intermittent operation of FC is not continuous based on operation mode of BAT, the power generation provisional command value, and the system required power at time i, and an intermittent ON/OFF state at time (i−1). Further, when intermittent ON is determined at time i, the FC is stopped, and when intermittent OFF is determined at time i, a larger one is output, as the power generation command value for the FC at time i, between the power generation provisional command value and an intermittent OFF threshold.
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公开(公告)号：US20190176645A1
公开(公告)日：2019-06-13
申请号：US16194882
申请日：2018-11-19
发明人： Teruhiko NAKAZAWA , Ryoichi HIBINO , Hiroyuki NISHIZAWA , Atsushi KAWAGUCHI , Gentaro YAMANAKA , Yasushi AMANO , Masaru SUGAI , Yasuhiro TORII
摘要： A target value obtaining section obtains a target value for the difference in rotational motion between a first motor and a second motor and a target value for output torque. A torque command value calculating section calculates a torque command value for the first motor and a torque command value for the second motor that achieve both of the target value for the difference in rotational motion and the target value for the output torque by using an inverse model of a motion model corresponding to a merging system.
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