CN102570894B - 无刷直流电动机的控制方法 - Google Patents
无刷直流电动机的控制方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/42—Arrangement or adaptation of brakes
- B64C25/44—Actuating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
- F16D55/26—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
- F16D55/36—Brakes with a plurality of rotating discs all lying side by side
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/003—Position, angle or speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
本发明涉及一种对至少一个无刷直流电动机(1)供电的方法,无刷直流电动机(1)具有用于供电的多个相,该方法包括步骤:将静态接触器(10)与电动机关联以取得输入电压并将多相电压脉冲以对电动机的转子的角度位置伺服控制的方式传递到电动机,以及从直流电压源产生电压脉冲(U脉冲),电压脉冲具有固定的频率和可控制的占空比,由此形成至静态接触器的输入电压。
Description
技术领域
本发明涉及无刷直流(DC)电动机的控制方法。
背景技术
这种电动机通常通过连接到直流电压电源并传递用于电动机的每个相的电压的静态变换器进行控制,例如通过以对电动机转子的角度位置伺服控制的方式开关控制的功率晶体管。为此,电动机通常装有用于测量其角度位置的装置,该装置传递代表所述位置的信号,该信号用于静态变换器以开关功率晶体管,从而执行由有刷电动机的整流器执行的自动同步开关功能。
其还适于使所传递的电压适应所需动力和扭矩水平。为此,静态变换器通常被控制成根据所要传递的机械动力或扭矩改变递送到电动机的电压。因此,响应于动力或扭矩设定值,静态变换器发送可变电压到电动机,从而使得电动机能够产生所要求的动力或扭矩。为此,已知各种电压变化方法,诸如例如脉宽调制(PWM)。
还已知包括与角度位置传感器相关的用于控制功率晶体管的静态接触器的控制方案,该静态接触器于是不执行静态变换器的电压变化功能,而仅执行同步功能。电压通过将可变DC电压传递到静态接触器的上游DC/DC变换器进行改变。
发明内容
本发明的目的是提供对无刷直流电动机供电的另一种方法。
为此,本发明提供一种对至少一个无刷直流电动机供电的方法,无刷直流电动机具有用于供电的多个相,该方法包括以下步骤:
将静态接触器与电动机关联以取得输入电压并将多相电压以对所述电动机的转子的角度位置伺服控制的方式传递到电动机;以及
使用直流电压源以产生电压脉冲,所述电压脉冲具有固定的频率和可控制的占空比,从而形成至静态接触器的输入电压。
本发明的装置具有多个优点:
-与电动机关联的静态接触器非常简单,因为静态接触器仅用于执行相电压的排序,而不改变相电压。其可尽可能靠近电动机布置,且可甚至直接包含在电动机内,转子角度位置传感器整合在电动机内并递送由静态接触器直接使用的信号。可考虑静态接触器替换整流器和具有电刷的电动机的电刷。
-输入电压发生器还可以是非常简单的,因为其以固定频率传递单相电压。仅脉冲的占空比是可变的,且这在技术上实施非常简单;以及
-静态接触器和电压脉冲发生器可物理上彼此远离,且可通过适于以传递固定频率电压脉冲的装置连接在一起。具体来说,电压脉冲可通过变压器传递,由此实现电绝缘。
附图说明
根据参照附图给出的以下本发明的具体实施例的说明可更好地理解本发明,附图中:
图1是使得本发明的方法能够实施的装置的示意图;
图2是用于对多个电动机供电的类似于图1装置的装置示意图;以及
图3是具有实施本发明的方法的机电制动器的飞机起落架的底部的剖视图。
具体实施方式
参见图1,该方法用于对无刷DC型电动机1供电。根据本发明,电动机1与静态接触器10相关联,静态接触器10具有可控开关,可控开关中断输入电压12以根据关于通过角度位置传感器14传递的电动机的角度位置的信息将输入电压12传递到电动机1的各相。静态接触器10的唯一功能是中断输入电压以产生用于各相的电压。可控开关可以是例如闸流晶体管。
还根据本发明,输入电压12是脉冲电压U脉冲,该脉冲电压U脉冲通过电压脉冲发生器20从DC源电压产生。电压脉冲发生器20较佳地是具有受控开关的斩波器(chopper),该受控开关将DC电压源以固定频率(在示意图中可看到具有等时间间隔的相等周期Δt)转换成脉冲单相电压,但占空比是可控的以产生可控平均值的电压脉冲,例如,根据传递到脉冲发生器20的力设定值。
适当的是,为了在将输入电压施加到静态接触器的受控开关之前平滑输入电压,能够在输入到静态接触器10时提供滤波阶段。
静态接触器10和传感器14较佳地位于电动机的中部附近,或实际上包含在电动机内。以这种方式布置且在图中以虚线矩形示意性示出的组件仅具有用于以输入电压脉冲供应组件的两条输入电线。
如所示,电压脉冲可通过电缆15从电压脉冲发生器22传递到静态接触器10。如图2中所示,电压脉冲还可通过单相变压器30传递,单相变压器30在这两个构件之间提供电绝缘。给定输入电压12的频率(通常为100千赫兹(kHz)量级),变压器可以是非常紧凑的。
如图2所示,电压脉冲通过变压器容易地传递到多个组件,每个组件包括一个电动机和一个静态接触器以及一个角度位置传感器。
本发明尤其适合应用于机电领域的飞机制动器。实际上,如文献US3977631所建议的,有利的是在起落架上设置制动器,在起落架中,环(即,支承致动器的部件)和关联的扭矩管安装在相应的具有转动可能性的轮轴上。通过以压缩叠置盘并由此限制环与轮一起转动的方式控制制动致动器,该布置使得能够通过使环通过电动机部件进行转动而控制轮的转动。
在上述文献中,致动器是液压致动器。因此,在环转动的同时对致动器供电需要设置液压回路,该液压回路具有与环的转动兼容的转动联接。
如图3所示,该教导可应用于起落架100,起落架100具有轮101,轮101具有装有由环104承载的机电制动致动器110的制动器102。这里,环104被安装以在接纳轮101的轮轴105上转动。每个致动器110装配有无刷DC电动机,根据本发明,无刷DC电动机与静态接触器和角度传感器相关联,这两个构件直接布置在致动器内。电动机用于选择性地面向一叠摩擦盘116移动致动器的推进器16,以通过将电动机的转动运动转换成推进器的线性运动的转换件而以选择性方式将盘按压在一起。该组件形成可作为一个单元从环104移除的一体式致动器。
环104固定到扭矩管106,扭矩管106与环104一起转动。摩擦盘116包括与限制成与扭矩管106一起转动的盘交替的限制成与轮101一起转动的盘。
在本发明的一具体布置中,环104承载副绕组120,主绕组121固定到面向副绕组的起落架。在该示例中,主绕组121通过沿起落架延伸的电缆122连接到电压脉冲发生器,电压脉冲发生器安装在飞机机身内。变压器将这些电压脉冲传递到一体式致动器110。如上所述,这些电压脉冲被中断并通过致动器的静态接触器排序以根据电动机转子的角度位置对关联的电动机的各相供电。
由于该无接触连接,可在环转动的同时对一体式致动器110供电,而不需任何转动接触。
为了以选择性方式控制环104的转动,用于驱动环104转动的电动机130布置在起落架的底部上且在该实施例中通过锥齿轮连接与环协作。
这些布置使得多种工作模式成为可能:
第一工作模式,在第一工作模式过程中,环104被防止转动,然后通过具有相对于彼此静止的主绕组121和副绕组120的变压器对一体式致动器110供电,由此用于将制动盘按压在一起并因而使轮的转动减速。这是常规的制动模式;
第二工作模式,在第二工作模式过程中,环104通过电动机130被驱动转动。为了驱动轮转动,于是合适的是通过变压器对一体式致动器110供电,副绕组120于是关联主绕组121转动。这是独立的滑行模式,使得飞机移动而不使用其引擎;以及
第三工作模式,在第三工作模式过程中,环104通过电动机130被驱动转动,而不对一体式致动器110供电。这是用于检验电动机部件的正确运行的工作模式。
本发明并不限于以上说明,相反地,覆盖落入权利要求书所限定范围内的任何变型。
Claims (4)
1.一种一体式机电制动致动器(110),包括:
无刷直流电动机(1);
可线性移动的推进器(16),所述可线性移动的推进器(16)机械地连接到所述电动机以响应于所述电动机的转动;
静态接触器(10),所述静态接触器用于根据关于所述电动机的转子的角度位置的信息通过中断并排序输入电压脉冲将多相电压传递到所述电动机;以及
角度位置传感器(14),所述角度位置传感器用于感应所述转子的角度位置并传递所述角度位置的信息。
2.一种包括至少一个轮轴(109)的飞机起落架,所述至少一个轮轴(109)接纳装配有机电制动器(102)的至少一个轮(101),所述制动器包括至少一个如权利要求1所述的制动致动器。
3.如权利要求2所述的飞机起落架,其特征在于,所述制动器包括接纳所述制动致动器(110)并安装成在所述轮轴上转动的环(104)以及具有主绕组(121)和副绕组(120)的变压器,所述环承载所述副绕组(120),所述主绕组(121)由起落架承载并与所述副绕组关联,所述变压器布置成将电压脉冲传递到致动器,所述致动器电连接到所述副绕组。
4.如权利要求2所述的起落架,其特征在于,所述制动器包括环,所述环接纳所述制动致动器并安装成在轮轴上转动,通过布置在所述起落架上的电动机(130)以选择性方式控制所述环的转动。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1060095 | 2010-12-06 | ||
FR1060095A FR2968483B1 (fr) | 2010-12-06 | 2010-12-06 | Procede de commande d'un moteur a courant continu sans balai. |
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CN102570894A CN102570894A (zh) | 2012-07-11 |
CN102570894B true CN102570894B (zh) | 2015-02-04 |
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EP (1) | EP2460724B1 (zh) |
CN (1) | CN102570894B (zh) |
BR (1) | BRPI1105679A2 (zh) |
CA (1) | CA2760400C (zh) |
FR (1) | FR2968483B1 (zh) |
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CN104058091A (zh) * | 2013-03-18 | 2014-09-24 | 北京科实医学图像技术研究所 | 飞机制动新方案 |
FR3024706B1 (fr) * | 2014-08-05 | 2018-03-23 | Messier Bugatti Dowty | Transmission de couple a la roue par les boulons d'assemblage de la jante |
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FR2898871B1 (fr) * | 2006-03-24 | 2009-02-06 | Airbus France Sas | Systeme et procede d'alimentation en puissance de systemes utilisateurs a bord d'un aeronef |
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2010
- 2010-12-06 FR FR1060095A patent/FR2968483B1/fr active Active
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2011
- 2011-11-25 EP EP11190848.9A patent/EP2460724B1/fr active Active
- 2011-11-30 CA CA2760400A patent/CA2760400C/fr not_active Expired - Fee Related
- 2011-12-05 BR BRPI1105679-7A2A patent/BRPI1105679A2/pt not_active IP Right Cessation
- 2011-12-05 CN CN201110416752.2A patent/CN102570894B/zh active Active
- 2011-12-06 US US13/311,729 patent/US8556210B2/en active Active
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EP0114276A1 (en) * | 1982-12-23 | 1984-08-01 | Borg-Warner Corporation | Starting system for chopper controlled motor-commutated thyristor inverter |
CN1906082A (zh) * | 2003-12-15 | 2007-01-31 | 史蒂文·沙利文 | 用于制动和机动的方法和装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP2460724B1 (fr) | 2021-03-10 |
CN102570894A (zh) | 2012-07-11 |
US8556210B2 (en) | 2013-10-15 |
EP2460724A3 (fr) | 2017-06-07 |
CA2760400A1 (fr) | 2012-06-06 |
BRPI1105679A2 (pt) | 2013-07-16 |
US20120138742A1 (en) | 2012-06-07 |
FR2968483A1 (fr) | 2012-06-08 |
CA2760400C (fr) | 2015-06-30 |
EP2460724A2 (fr) | 2012-06-06 |
FR2968483B1 (fr) | 2015-09-04 |
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