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公开(公告)号:US20140125264A1
公开(公告)日:2014-05-08
申请号:US14073146
申请日:2013-11-06
申请人: Makoto NAKAMURA , Mikio YAMAZAKI
发明人: Makoto NAKAMURA , Mikio YAMAZAKI
IPC分类号: H02P6/10
CPC分类号: H02P6/10 , H02M3/1582 , H02P21/0089 , H02P27/085
摘要: Fluctuations in output of an AC electric motor are restrained without increasing electromagnetic noise of a boost converter. When subjecting the AC electric motor to rectangular wave voltage control, output torque T is controlled by varying a voltage phase φv. In a region where a voltage phase is large (φv=θ2), fluctuations in torque T relative to changes in a DC voltage VH corresponding to the amplitude of a rectangular wave voltage are larger than in a region where the voltage phase is small (φv=θ1). The AC electric motor is controlled such that the rectangular wave voltage control in a region where voltage phase φv is larger than a limit-phase line PLN indicated by a set of limit phases set for each DC voltage VH is avoided.
摘要翻译: 在不增加升压转换器的电磁噪声的情况下,可以抑制交流电动机输出的波动。 当对交流电动机进行矩形波电压控制时,通过改变电压相位来控制输出转矩T。 在电压相位大的区域(&phgr; v =η 2)中,与矩形波电压的振幅对应的直流电压VH相对于变化的转矩T的波动大于电压相位 是小(&phgr; v =&thetas; 1)。 控制交流电动机,使得在电压相位v大于由针对每个直流电压VH设定的一组极限相指示的极限相线PLN的区域中的矩形波电压控制被避免。
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公开(公告)号:US20140175872A1
公开(公告)日:2014-06-26
申请号:US14136464
申请日:2013-12-20
IPC分类号: B60L11/00
CPC分类号: B60L7/14 , B60L11/14 , B60L11/1803 , B60L11/1864 , B60L15/007 , B60L15/025 , B60L15/2009 , B60L2210/14 , B60L2210/40 , B60L2240/421 , B60L2240/423 , B60L2240/547 , B60L2240/549 , B60L2250/26 , Y02T10/643 , Y02T10/70 , Y02T10/7005 , Y02T10/7061 , Y02T10/7077 , Y02T10/7225 , Y02T10/7241 , Y02T10/7275
摘要: On a vehicle, a converter converting and outputting a voltage, an inverter converting DC power output from the converter to AC power, and a motor driven by AC power supplied from the inverter are mounted. A control device calculates a requested voltage VHreq as an output voltage from a converter for bringing a degree of modulation Kmd of the inverter closer to a prescribed target degree of modulation Kmd#, calculates from target torque of the motor, a minimum voltage VHmin as a minimum value for an output voltage from the converter which can realize target torque of the motor, and controls the converter such that the output voltage VH from the converter is closer to a value which is greater one of the requested voltage VHreq and the minimum voltage VHmin.
摘要翻译: 在车辆上,转换并输出电压的转换器,将从转换器输出的直流电力转换为交流电力的逆变器以及由逆变器提供的由交流电驱动的电动机。 控制装置计算要求电压VHreq作为来自转换器的输出电压,用于使逆变器的调制度Kmd更接近于规定的目标调制度Kmd#,从电动机的目标转矩计算出最小电压VHmin为 来自转换器的输出电压的最小值,其可以实现电动机的目标转矩,并且控制转换器使得来自转换器的输出电压VH更接近于要求电压VHreq和最小电压VHmin之一的值 。
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公开(公告)号:US20140176029A1
公开(公告)日:2014-06-26
申请号:US14136325
申请日:2013-12-20
IPC分类号: H02P6/08
CPC分类号: H02P27/085 , H02P2209/11 , H02P2209/13
摘要: On a vehicle, a converter converting and outputting a voltage, an inverter converting DC power output from the converter to AC power, and a motor driven by AC power supplied from the inverter are mounted. A control device for this vehicle controls the inverter in a control mode selected in accordance with a degree of modulation of the inverter, selects a target control mode of the inverter, and varies an output voltage from the converter such that a degree of modulation of the inverter varies until the control mode switches to the target control mode when a current control mode is different from the target control mode.
摘要翻译: 在车辆上,转换并输出电压的转换器,将从转换器输出的直流电力转换为交流电力的逆变器以及由逆变器提供的由交流电驱动的电动机。 该车辆的控制装置以根据逆变器的调制度选择的控制模式控制逆变器,选择逆变器的目标控制模式,并且改变来自转换器的输出电压,使得 当电流控制模式与目标控制模式不同时,逆变器变化,直到控制模式切换到目标控制模式。
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公开(公告)号:US20140159622A1
公开(公告)日:2014-06-12
申请号:US14073405
申请日:2013-11-06
IPC分类号: H02P6/00
CPC分类号: H02P21/0085 , B04B13/003 , H01H3/26 , H02P6/15
摘要: A converter controls a system voltage, which is a DC link voltage of an inverter, in accordance with a voltage command value. The inverter outputs a rectangular wave voltage having the system voltage as amplitude to an AC motor during application of rectangular wave voltage control. During application of rectangular wave voltage control, a voltage command value for the system voltage is modified such that a current phase on a d-q plane of the AC motor is brought closer to a target current phase line. The target current phase line is set on an advance side relative to an optimal current phase line which is a set of current phases at which output torque is maximized for the same amplitude of a motor current in the AC motor.
摘要翻译: A转换器根据电压指令值来控制作为逆变器的直流母线电压的系统电压。 在施加矩形波电压控制时,逆变器输出具有系统电压幅度的矩形波电压给交流电机。 在应用矩形波电压控制的过程中,改变了系统电压的电压指令值,使得交流电动机的d-q平面上的电流相位接近目标电流相位线。 目标电流相位线相对于最佳电流相位线设定在前进侧,该最佳电流相位线是对于交流电动机中的电动机电流的相同幅度的输出转矩最大化的一组电流相位。
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公开(公告)号:US20130213329A1
公开(公告)日:2013-08-22
申请号:US13611648
申请日:2012-09-12
申请人: Makoto NAKAMURA
发明人: Makoto NAKAMURA
IPC分类号: F01L1/18
CPC分类号: F01L1/3442 , F01L1/044 , F01L13/0015 , F01L13/0026 , F01L2001/0473 , F01L2001/0537 , F01L2001/34453 , F01L2001/34469 , F01L2013/0073
摘要: A variable valve apparatus for an internal combustion engine includes a control shaft, a camshaft having first and second camshaft members rotatable relative to each other, a rotary cam rotating together with the second camshaft member for opening and closing of an exhaust valve, an eccentric drive cam rotating together with the first camshaft member, a rocker arm caused to swing with rotation of the eccentric drive cam, a swing cam caused to swing by the rocker arm for opening and closing of an intake valve, a control cam formed on the control shaft to change an operating position of the rocker arm according to a rotational phase of the control shaft and vary the amount of swinging movement of the swing cam, a phase control mechanism adapted to control a relative rotational phase of the first and second camshaft members and an actuator for rotating the control shaft.
摘要翻译: 一种用于内燃机的可变气门装置,包括控制轴,具有可相对旋转的第一和第二凸轮轴构件的凸轮轴,与用于打开和关闭排气门的第二凸轮轴构件一起旋转的旋转凸轮,偏心驱动 凸轮与第一凸轮轴构件一起旋转,摇臂随着偏心驱动凸轮的旋转而摆动,摆动凸轮由摇臂摆动以打开和关闭进气门;控制凸轮,其形成在控制轴上 根据控制轴的旋转相位改变摇臂的操作位置并改变摆动凸轮的摆动运动量;相位控制机构,其适于控制第一和第二凸轮轴构件的相对旋转相位;以及 用于旋转控制轴的执行器。
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公开(公告)号:US20100108027A1
公开(公告)日:2010-05-06
申请号:US12685789
申请日:2010-01-12
申请人: Makoto NAKAMURA , Seinosuke Hara
发明人: Makoto NAKAMURA , Seinosuke Hara
CPC分类号: F01L13/0026 , F01L1/3442 , F01L2001/0475 , F01L2001/34469 , F01L2001/34479 , F01L2001/34483 , F01L2013/0073 , F01L2800/03
摘要: In a variable valve actuation system of an internal combustion engine employing a variable valve actuator capable of variably adjusting at least intake valve closure timing depending on engine operating conditions, a processor of a control unit is programmed to phase-advance the intake valve closure timing to a predetermined timing value after a piston top dead center position and before a piston bottom dead center position on intake stroke during at least one of an engine starting period and an engine stopping period. The variable valve actuator includes a biasing device by which the intake valve closure timing is permanently biased toward the predetermined timing value.
摘要翻译: 在使用可变气门执行器的内燃机的可变气门致动系统中,该可变气门致动器能够根据发动机工作条件至少可调节至少进气门关闭正时,控制单元的处理器被编程为将进气门关闭正时相位提前 在发动机起动期间和发动机停止期间中的至少一个之后,在活塞上止点位置之后和进气冲程之前的活塞下止点位置之前的预定定时值。 可变阀致动器包括偏压装置,通过该偏压装置将进气门关闭定时永久地偏压到预定的定时值。
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7.
公开(公告)号:US20100012062A1
公开(公告)日:2010-01-21
申请号:US12491614
申请日:2009-06-25
申请人: Makoto NAKAMURA
发明人: Makoto NAKAMURA
IPC分类号: F01L1/34
CPC分类号: F01L1/185 , F01L1/352 , F01L13/0021
摘要: There is provided an actuator device for a variable valve apparatus. The variable valve apparatus has a control shaft to vary operation characteristics of an engine valve by an axial movement thereof. The actuator device has a rotatable screw shaft, a movable member axially movable with rotation of the screw shaft and a transmission mechanism unit that converts an axial movement of the movable member to the axial movement of the control shaft. An amount of the axial movement of the movable member is larger than an amount of the axial movement of the control shaft.
摘要翻译: 提供了一种用于可变阀装置的致动器装置。 可变气门装置具有控制轴,以通过其轴向运动来改变发动机气门的运行特性。 致动器装置具有可旋转的螺杆轴,可随着螺杆轴的旋转而可轴向移动的可动构件和将可移动构件的轴向运动转换成控制轴的轴向运动的传动机构单元。 可移动部件的轴向移动量大于控制轴的轴向移动量。
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8.
公开(公告)号:US20090228187A1
公开(公告)日:2009-09-10
申请号:US12372307
申请日:2009-02-17
申请人: Makoto NAKAMURA
发明人: Makoto NAKAMURA
IPC分类号: F02D43/00
CPC分类号: F02D41/0007 , F01L1/022 , F01L1/3442 , F01L13/0026 , F01L2001/0475 , F01L2001/0537 , F01L2001/34469 , F01L2001/34483 , F01L2013/0073 , F01L2800/00 , F02D13/0219 , F02D13/023 , F02D13/0261 , F02D41/10 , F02D2013/0292 , F02D2041/002 , F02D2250/21 , Y02T10/144 , Y02T10/18
摘要: In a control apparatus of a supercharged internal combustion engine, a variable valve actuation system interacts with an engine control system. A controller is configured or programmed to increase an intake-valve lift by a variable valve lift mechanism, which is provided for variably controlling at least the intake-valve lift of engine valves, when starting from a vehicle stand-still state or when accelerating from an idling state or a light load state. The controller is further configured or programmed to increase a valve overlap of intake and exhaust valves by a variable phase control mechanism, which is provided for variably phase-shifting a central phase angle of a valve lift characteristic curve of at least one of the intake and exhaust valves, while increasing a boost pressure of intake air introduced into an engine cylinder by a supercharging device, after the intake-valve lift has been increased.
摘要翻译: 在增压内燃机的控制装置中,可变气门致动系统与发动机控制系统相互作用。 控制器被配置或编程以通过可变气门升程机构增加进气门升程,该可变气门升程机构设置用于当从车辆静止状态起动时或者当从车辆静止状态开始时可变地控制发动机气门的进气门升程 怠速状态或轻负载状态。 控制器被进一步配置或编程以通过可变相位控制机构增加进气门和排气门的重叠,该可变相位控制机构用于可变地移相至少一个进气口和气门特征曲线的中心相位角 排气阀,同时在进气阀升程增加之后,通过增压装置增加引入发动机气缸的进气的增压压力。
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公开(公告)号:US20120330487A1
公开(公告)日:2012-12-27
申请号:US13530512
申请日:2012-06-22
申请人: Makoto NAKAMURA , Takaya SOMA , Tomoko SHIMANA
发明人: Makoto NAKAMURA , Takaya SOMA , Tomoko SHIMANA
IPC分类号: G06F7/00
CPC分类号: B60L3/0038 , B60L3/0061
摘要: A failure detection device for a vehicle that detects a failure of a motor system includes a controller that changes a sensitivity for detection of a failure in the motor system in accordance with at least one of an operational condition of the motor system and a situation in which the motor system is operating.
摘要翻译: 用于检测电动机系统故障的车辆故障检测装置包括控制器,该控制器根据电动机系统的运行状况和电动机系统的运行状况中的至少一个改变用于检测电动机系统的故障的灵敏度, 电机系统正在运行。
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公开(公告)号:US20100050965A1
公开(公告)日:2010-03-04
申请号:US12540060
申请日:2009-08-12
申请人: Makoto NAKAMURA
发明人: Makoto NAKAMURA
IPC分类号: F01L1/34
CPC分类号: F01L13/0026 , F01L1/3442 , F01L2001/34456 , F01L2001/34469 , F01L2001/34479 , F01L2001/34483 , F01L2013/0073 , F01L2820/032 , F02D13/0234 , F02D13/0261 , Y02T10/18
摘要: A variable valve control apparatus includes: a variable valve actuating mechanism arranged to vary a closing timing of an intake valve; and a controller configured to advance the closing timing of the intake valve before a bottom dead center of a piston of an intake stroke until a load of an engine increases from a minimum load to a predetermined load, and to retard the closing timing of the intake valve from a timing before the bottom dead center of the piston, to a timing after the bottom dead center of the piston when the load becomes the predetermined load.
摘要翻译: 可变阀控制装置包括:可变气门执行机构,其布置成改变进气门的关闭正时; 以及控制器,被配置为在进气冲程的活塞的下止点之前提前进气阀的关闭正时,直到发动机的负载从最小负载增加到预定负载,并且延迟进气口的关闭正时 阀从活塞下死点之前的时间到当活塞的下止点之间的时刻,当负载变为预定负载时。
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