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1.
公开(公告)号:US6075338A
公开(公告)日:2000-06-13
申请号:US3206
申请日:1998-01-06
CPC分类号: H02P27/08 , Y10S706/90
摘要: Driving of a three-phase motor includes controlling the slip of the motor by way of a fuzzy logic algorithm. The simplicity and precision of the fuzzy control of the slip permits dynamically optimizing the efficiency of a three-phase motor under any operating condition, and thereby minimizing power consumption. The control is carried out by knowing: the effective speed of the motor that represents the feedback value, and that may be provided by a common encoder (typically a dynamo or an optic device) keyed on the motor's spindled; the stator frequency imposed on the motor; the required speed; and, of course, the characteristic curve (frequency-torque) of the motor.
摘要翻译: 三相电动机的驱动包括通过模糊逻辑算法来控制电动机的滑移。 滑动模糊控制的简单性和精度允许在任何操作条件下动态优化三相电动机的效率,从而最小化功耗。 控制是通过知道:表示反馈值的电动机的有效速度,并且可以由键合在电动机上的公共编码器(通常是发电机或光学装置)提供; 定子频率施加在电机上; 所需速度; 当然也是马达的特性曲线(频率转矩)。
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公开(公告)号:USRE36480E
公开(公告)日:2000-01-04
申请号:US717135
申请日:1996-09-20
CPC分类号: H03K17/063
摘要: A control and monitoring circuit for a power switch comprises a first portion (20) connected to this switch and fed with reference to a floating voltage (V.sub.F) of an electrode of this switch, a second portion (10) connected to circuits external to the switch and fed with reference to a fixed voltage, a coder (40) arranged on the side of the second portion and a suitable decoder (50) arranged on the side of the first portion.
摘要翻译: 用于电源开关的控制和监视电路包括连接到该开关并参考该开关的电极的浮动电压(VF)馈送的第一部分(20),连接到该开关外部的电路的第二部分(10) 参考固定电压进行切换和馈送,布置在第二部分侧面的编码器(40)和布置在第一部分侧面上的合适的解码器(50)。
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公开(公告)号:US5859520A
公开(公告)日:1999-01-12
申请号:US827747
申请日:1997-04-10
摘要: The invention provides a method for controlling a brushless motor, with windings connected in star (`wye`) formation, including the steps of periodically applying a supply voltage between first and second windings, detecting the presence of a current in a third winding, and an instant of cessation of that current, monitoring the value of a back emf induced in the third winding and detecting a zero crossing point of the back emf, timing a predetermined delay from the zero crossing point, and after the end of the delay, applying the supply voltage to other windings. The invention also provides a method for use with motors having windings connected in delta formation.
摘要翻译: 本发明提供了一种用于控制无刷电动机的方法,其中绕组以星形('形)'形成,其包括在第一绕组和第二绕组之间周期性地施加电源电压的步骤,检测第三绕组中的电流的存在,以及 停止该电流的瞬间,监测在第三绕组中感应的反电动势的值,并检测反电动势的过零点,从过零点定时预定的延迟,以及在延迟结束之后,应用 电源电压到其他绕组。 本发明还提供一种用于具有以三角形形成连接的绕组的电动机的方法。
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公开(公告)号:US5134322A
公开(公告)日:1992-07-28
申请号:US637918
申请日:1991-01-07
IPC分类号: H03K17/06
CPC分类号: H03K17/063
摘要: A control and monitoring circuit for a power switch comprises a first portion (20) connected to this switch and fed with reference to a floating voltage (V.sub.F) of an electrode of this switch, a second portion (10) connected to circuits external to the switch and fed with reference to a fixed voltage, a coder (40) arranged on the side of the second portion and a suitable decoder (50) arranged on the side of the first portion.
摘要翻译: 用于电源开关的控制和监视电路包括连接到该开关并参考该开关的电极的浮动电压(VF)馈送的第一部分(20),连接到该开关外部的电路的第二部分(10) 参考固定电压进行切换和馈送,布置在第二部分侧面的编码器(40)和布置在第一部分侧面上的合适的解码器(50)。
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公开(公告)号:US5469041A
公开(公告)日:1995-11-21
申请号:US88303
申请日:1993-07-07
申请人: Jean-Marie Bourgeois
发明人: Jean-Marie Bourgeois
IPC分类号: H02M7/538 , H02M7/5387 , H02P27/06 , H02P27/08 , H03K17/691
CPC分类号: H03K17/691 , H02M7/538 , H02M7/53873 , H02P27/08
摘要: The invention relates to a pulse-controlled converter, and a motor electric controller including such a converter. A first switch is controlled by pulses applied to its gate, these pulses being produced by a digital control unit linked to the gate of the first switch via a transformer. The transformer is linked to the digital control unit via a primary circuit and to the gate of the first switch via a secondary circuit. A second switch is directly controlled by the digital control unit. The secondary circuit includes a Zener diode and a resistor which are connected in series between a first terminal of a secondary winding of the transformer and the gate. The digital control unit generates a specific pulse synchronization sequence to control the converter so that problems of short-circuiting on the different bridge arms are avoided.
摘要翻译: 本发明涉及脉冲控制转换器和包括这种转换器的电机电控制器。 第一开关由施加到其栅极的脉冲控制,这些脉冲由数字控制单元产生,该数字控制单元通过变压器连接到第一开关的栅极。 变压器经由主电路连接到数字控制单元,并通过次级电路连接到第一开关的栅极。 第二开关由数字控制单元直接控制。 次级电路包括齐纳二极管和电阻器,其串联连接在变压器的次级绕组的第一端和栅极之间。 数字控制单元产生特定的脉冲同步序列以控制转换器,从而避免了不同桥臂上短路的问题。
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6.
公开(公告)号:US5138515A
公开(公告)日:1992-08-11
申请号:US690769
申请日:1991-04-24
申请人: Jean-Marie Bourgeois
发明人: Jean-Marie Bourgeois
IPC分类号: H02H7/12 , H02H11/00 , H02M7/537 , H03K17/04 , H03K17/08 , H03K17/691 , H03K17/695
CPC分类号: H03K17/0406 , H03K17/691
摘要: A pulse-controlled circuit for an insulate gate power transistor (Tp) comprises an auxiliary MOS transistor (T1) connected between the gate and a reference terminal of the power transformer in parallel with a pulse transformer secondary (W2). This circuit comprises two controlled unidirectionally conductive paths in parallel (D1, M1; D2, M2) between one terminal of the transformer secondary and the auxiliary transistor gate, these paths being alternatively rendered conductive when a positive or negative pulse is applied to the secondary of the transformer.
摘要翻译: 用于绝缘栅功率晶体管(Tp)的脉冲控制电路包括与脉冲变压器次级(W2)并联连接在电源变压器的栅极和参考端之间的辅助MOS晶体管(T1)。 该电路包括在变压器次级的一个端子和辅助晶体管栅极之间并联的两个受控单向导电路径(D1,M1; D2,M2),当将正或负脉冲施加到辅助晶体管的次级时,这些路径交替地导通 变压器。
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公开(公告)号:US6137701A
公开(公告)日:2000-10-24
申请号:US444592
申请日:1999-11-22
CPC分类号: H02M1/4208 , Y02B70/126
摘要: A circuit for providing a D.C. voltage of high value from the output of a rectifying bridge on a capacitor of high capacitance, and for providing low supply voltages, including a first diode connected between the output of the rectifying bridge and the capacitor, first and second cascode-mounted transistors, circuitry for setting the potential of the control terminal of the first transistor, circuitry for reducing the potential of this control terminal when the rectified voltage exceeds a predetermined value, a regulation circuit connected at the connection node of the first and second transistors, and circuitry for applying, to the second transistor, a turn-on pulse of determined duration after the output voltage of the bridge has exceeded the determined value.
摘要翻译: 一种用于从高电容电容器上的整流桥的输出提供高值的DC电压并且用于提供低电源电压的电路,包括连接在整流桥的输出端和电容器之间的第一二极管,第一和第二 用于设置第一晶体管的控制端的电位的电路,用于在整流电压超过预定值时减小该控制端的电位的电路;调节电路,连接在第一和第二晶体管的连接节点处; 晶体管和电路,用于在桥的输出电压超过所确定的值之后向第二晶体管施加确定持续时间的导通脉冲。
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公开(公告)号:US5272430A
公开(公告)日:1993-12-21
申请号:US853403
申请日:1992-03-18
IPC分类号: H02M7/5387 , H02P7/00
CPC分类号: H02M7/53873
摘要: A system provides parallel sequences of control signals, each control signal having a determined duration (T), constant within a sequence, and a predetermined duty cycle, specific to the control signal. A microcontroller (20) includes a central processing unit (21) and a non-volatile memory (23) arranged in blocks (Bij) of lines and columns. Each line corresponds to a word containing at least as many bits as parallel sequences. A Direct Memory Access (DMA) controller (24) and an associated counter (25) sequentially address each word of a block at a fixed frequency and supply bits of this word in parallel to produce the parallel control signals.
摘要翻译: 系统提供并行的控制信号序列,每个控制信号具有对于控制信号特有的确定的持续时间(T),在序列内是恒定的,以及预定的占空比。 微控制器(20)包括以线和列的块(Bij)布置的中央处理单元(21)和非易失性存储器(23)。 每行对应于至少包含与并行序列一样多的位的字。 直接存储器访问(DMA)控制器(24)和关联的计数器(25)以固定的频率顺序地寻址块的每个字,并且并行地提供该字的位以产生并行控制信号。
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