CN108471271A - A kind of projecting apparatus slide motor control method and control device - Google Patents
A kind of projecting apparatus slide motor control method and control device Download PDFInfo
- Publication number
- CN108471271A CN108471271A CN201810335596.9A CN201810335596A CN108471271A CN 108471271 A CN108471271 A CN 108471271A CN 201810335596 A CN201810335596 A CN 201810335596A CN 108471271 A CN108471271 A CN 108471271A
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- Prior art keywords
- temperature
- slide
- relation table
- motor
- value
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Classifications
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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
- H02P31/00—Arrangements for regulating or controlling electric motors not provided for in groups H02P1/00 - H02P5/00, H02P7/00 or H02P21/00 - H02P29/00
Abstract
The present invention discloses a kind of projecting apparatus slide motor control method, including:Acquire ambient temperature value;Motor speed value is obtained according to the temperature rotation speed relation table to prestore, or electric machine frequency value is obtained according to the temperature frequency relation table to prestore;It is opened according to motor speed value or electric machine frequency value control slide motor driving slide, or is closed according to motor speed value or electric machine frequency value control slide motor driving slide.The present invention may be implemented to control slide motor according to different temperature dynamics by the temperature rotation speed relation table or temperature frequency relation table that prestore, ensure that projecting apparatus power-operated sliding door at different temperatures can normally-open or closing.
Description
Technical field
The present invention relates to projecting apparatus slide control fields, and in particular to a kind of projecting apparatus slide motor control method and control
Device.
Background technology
Projecting apparatus is also known as projector, is a kind of equipment that can be projected image or video on curtain, can be by not
With the same computer of interface, DV etc. is connected plays corresponding vision signal, projecting apparatus be now widely used in family, office,
There are the different types such as CRT, LCD, DLP in school and public place of entertainment according to working method difference.
The existing projection device with power-operated sliding door, the fixation of slide motor generally use involve torque to drive slide
It opens and closes, in the case of different temperatures, the variation of the characteristics such as slide track lubrication oil can cause slide running resistance anxious
Increase severely big, involves torque less than resistance suffered by slide to motor occur, cause slide can not normally-open or closing.Therefore,
Working out a kind of can have very according to temperature change come the method that opens or closes of dynamic control slide motor driving slide
Important meaning.
Invention content
In view of this, the application provides a kind of projecting apparatus slide motor control method, this method is turned by the temperature-to prestore
Fast relation table or temperature-frequency relation table may be implemented to control slide motor according to different temperature dynamics, ensure projecting apparatus electricity
Dynamic slide at different temperatures can be normally-open or be closed.In order to solve the above technical problems, technical solution provided by the invention
It is as follows:
A kind of projecting apparatus slide motor control method, including:
Acquire ambient temperature value;
Motor speed value is obtained according to the temperature to prestore-rotation speed relation table, or is obtained according to the temperature-frequency relation table to prestore
To electric machine frequency value;
Opened according to motor speed value or electric machine frequency value control slide motor driving slide, or according to motor speed value or
Electric machine frequency value controls slide motor driving slide and closes.
Further, the generation step of the temperature-rotation speed relation table includes:
Temperature-drag relationship table is obtained, wherein temperature is ambient temperature value, and resistance is the resistance suffered by slide sliding total kilometres
Power;
It obtains resistance-and involves moment conditions table, wherein involving the output torque that torque is slide motor;Acquisition involves power
Square-rotation speed relation table, wherein rotating speed are the steady-state speed of slide motor;
Obtain temperature-rotation speed relation table.
Further, the acquisition temperature-drag relationship table is specially:At different ambient temperatures, it is obtained using thrust meter
The resistance suffered by slide sliding total kilometres is taken, temperature-drag relationship table is obtained.
Further, the acquisition temperature-drag relationship table is specially:Respectively under varying environment temperature value, repeatedly adopt
At the uniform velocity slide is pushed to open or close with thrust meter, obtains the maximum resistance that slide opens or closes under varying environment temperature value
Value, temperature-drag relationship table is worth to according to each ambient temperature value maximum resistance corresponding with the ambient temperature value.
Further, the acquisition resistance-involves moment conditions table and is specially:Surplus coefficient M is set, in varying environment temperature
Under angle value, motor is set to involve product of the size equal to resistance and M suffered by slide sliding total kilometres of torque, wherein M > 1 are obtained
Moment conditions table is involved to resistance-.
Further, the value of M is 1.5.
Further, the acquisition involves torque-rotation speed relation table and is specially:Make motor operation under different rotating speeds, adopts
Torque is involved with torque measuring device acquisition slide motor, obtains involving torque-rotation speed relation table.
Further, the generation step of the temperature-frequency relation table includes:
Obtain temperature-rotation speed relation table;
Temperature-frequency relation table is obtained according to formula (I) and temperature-rotation speed relation table
Wherein, n is motor steady-state speed, and P is motor number of pole-pairs, and f is electric machine frequency.
Further, ambient temperature value is acquired by temperature sensor.
A kind of projecting apparatus slide motor control assembly can in aforementioned manners control projecting apparatus slide motor, packet
It includes:
Data acquisition module:For acquiring ambient temperature value;
Data memory module:For the temperature that prestores-rotation speed relation table and/or temperature-frequency relation table;
Data generation module:Relation table for being stored according to the data and data memory module of data collecting module collected
Generate corresponding motor speed or electric machine frequency;
Motor drive module:Motor speed or electric machine frequency for being generated according to data generation module control slide motor
Driving slide is turned on and off.
The present invention provides a kind of projecting apparatus slide motor control method, passes through the temperature-rotation speed relation table or temperature-to prestore
Frequency relation table may be implemented to control slide motor according to different temperature dynamics, ensure projecting apparatus power-operated sliding door in not equality of temperature
Degree is lower can normally-open or closing;During obtaining temperature-rotation speed relation table or temperature-frequency relation table, it can obtain
Temperature-drag relationship table and torque-rotation speed relation table is involved, is slided as long as ensureing to involve torque under each temperature value to be greater than or equal to
Gate resistance power, so that it may to ensure that power-operated sliding door is normally-open or closes;By experiment, the existing projecting apparatus with power-operated sliding door is zero
Degree Celsius hereinafter, power-operated sliding door can not open or close, and the projecting apparatus of control slide motor is carried out using the present invention,
Power-operated sliding door still switchs normally at subzero ten degrees Celsius;In addition, the present invention is by improving the use environment range of product, it can be with
Product reliability is greatly improved, to promote the experience comfort level of user.
Description of the drawings
Fig. 1 is the method flow diagram that embodiment 1 provides.
Fig. 2 is the control device structure diagram that embodiment 2 provides.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme of the present invention
Applying example, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of projecting apparatus slide motor control methods, including:
Step S1:Acquire ambient temperature value;
Step S2:Motor speed value is obtained according to the temperature to prestore-rotation speed relation table, or according to the temperature-frequency to prestore
Relation table obtains electric machine frequency value;
Step S3:It is opened according to motor speed value or electric machine frequency value control slide motor driving slide, or according to motor
Tachometer value or electric machine frequency value control slide motor driving slide are closed.
What needs to be explained here is that temperature-rotation speed relation table and/or temperature-frequency relation table be before step S1 just
It generates, is then pre-stored in controller again, when the present embodiment is embodied, can only prestore temperature-rotation speed relation table,
Can only be prestored temperature-frequency relation table, and can also prestore temperature-rotation speed relation table and temperature-frequency relation table simultaneously, when same
When prestore temperature-rotation speed relation table and temperature-frequency relation table when, specific control mode is (by temperature-rotation speed relation table
Corresponding tachometer value drives slide motor to drive slide motor, or by the frequency values in temperature-frequency relation table) it can be with
Preset, in operational process can also switching control mode, the present embodiment can by PLC or other with control function
Microprocessor realizes control, in addition, temperature-rotation speed relation table and temperature-frequency relation table can also indicate with other forms,
Such as coordinate diagram, in practical applications, as long as preparing the correspondence between surface parameter.
Specifically, the generation step of the temperature-rotation speed relation table includes:
Temperature-drag relationship table is obtained, wherein temperature is ambient temperature value, and resistance is the resistance suffered by slide sliding total kilometres
Power;
It obtains resistance-and involves moment conditions table, wherein involving the output torque that torque is slide motor;Acquisition involves power
Square-rotation speed relation table, wherein rotating speed are the steady-state speed of slide motor;
Obtain temperature-rotation speed relation table.
What needs to be explained here is that in the specific implementation, moment conditions table and torque-rotation speed relation are involved according to resistance-
Table obtains resistance-revolution counter, obtains temperature-revolution counter further according to temperature-drag relationship table and resistance-revolution counter, wherein every
Under a temperature value, it is big to involve the equal specific resistance of torque, in order to which convenience of calculation can make also for making data relationship have regularity
Setting involves torque and the relationship of resistance in this way:Motor is set to lead then under the temperature value if the corresponding resistance of some temperature value is F
It is F+F1 to go out torque, or it is F × M so that motor is involved torque, wherein F1 > 0, M > 1, for each temperature value, F1 and M's takes
Value is the same.
Preferably, the acquisition temperature-drag relationship table is specially:At different ambient temperatures, it is obtained using thrust meter
The resistance suffered by slide sliding total kilometres is taken, temperature-drag relationship table is obtained.
Further, the acquisition temperature-drag relationship table is specially:Respectively under varying environment temperature value, repeatedly
At the uniform velocity slide is pushed to open or close using thrust meter, obtains the maximum resistance that slide opens or closes under varying environment temperature value
Value, temperature-drag relationship table is worth to according to each ambient temperature value maximum resistance corresponding with the ambient temperature value.
What needs to be explained here is that under each ambient temperature value, 3 times or 3 times or more slide resistances can be carried out
It measures, each slide drag measurement is at the uniform velocity slide to be pushed to open or close using thrust meter, and obtain slide and open or close
When suffered resistance, then take maximum resistance value as slide the suffered resistance under this ambient temperature value, can ensure to slide in this way
Door can be opened or closed normally in corresponding involve of slide motor under torque.
Preferably, the acquisition resistance-involves moment conditions table is specially:Surplus coefficient M is set, in varying environment temperature
Under angle value, motor is set to involve product of the size equal to resistance and M suffered by slide sliding total kilometres of torque, wherein M > 1 are obtained
Moment conditions table is involved to resistance-.
Preferably, the value of M is 1.5.
What needs to be explained here is that the specific value of surplus coefficient can be specifically arranged according to actual conditions, user is examining
When worry, the factors such as track lubrication oil can be considered emphatically.
Preferably, the acquisition involves torque-rotation speed relation table and is specially:Make motor operation under different rotating speeds, adopts
Torque is involved with torque measuring device acquisition slide motor, obtains torque-rotation speed relation table.
Specifically, the generation step of the temperature-frequency relation table includes:
Obtain temperature-rotation speed relation table;
Temperature-frequency relation table is obtained according to formula (I) and temperature-rotation speed relation table
Wherein, n is motor steady-state speed, and P is motor number of pole-pairs, and f is electric machine frequency.
When the present embodiment is embodied, ambient temperature value can be acquired by temperature sensor.
Embodiment 2
As shown in Fig. 2, the present embodiment provides a kind of projecting apparatus slide motor control assembly, embodiment 1 can be used to provide
Control method controls projecting apparatus slide motor, including
Data acquisition module:For acquiring ambient temperature value;
Data memory module:For the temperature that prestores-rotation speed relation table and/or temperature-frequency relation table;
Data generation module:Relation table for being stored according to the data and data memory module of data collecting module collected
Generate corresponding motor speed or electric machine frequency;
Motor drive module:Motor speed or electric machine frequency for being generated according to data generation module control slide motor
Driving slide is turned on and off.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (10)
1. a kind of projecting apparatus slide motor control method, which is characterized in that including:
Acquire ambient temperature value;
Motor speed value is obtained according to the temperature to prestore-rotation speed relation table, or electricity is obtained according to the temperature-frequency relation table to prestore
Unit frequency value;
It is opened according to motor speed value or electric machine frequency value control slide motor driving slide, or according to motor speed value or motor
Frequency values control slide motor driving slide and close.
2. a kind of projecting apparatus slide motor control method according to claim 1, which is characterized in that the temperature-rotating speed
The generation step of relation table includes:
Temperature-drag relationship table is obtained, wherein temperature is ambient temperature value, and resistance is the resistance suffered by slide sliding total kilometres;
It obtains resistance-and involves moment conditions table, wherein involving the output torque that torque is slide motor;Acquisition involves torque-and turns
Fast relation table, wherein rotating speed are the steady-state speed of slide motor;
Moment conditions table, which is involved, according to temperature-drag relationship table, resistance-and involves torque-rotation speed relation table obtains temperature-rotating speed
Relation table.
3. a kind of projecting apparatus slide motor control method according to claim 2, which is characterized in that the acquisition temperature-
Drag relationship table is specially:At different ambient temperatures, the resistance suffered by slide sliding total kilometres is obtained using thrust meter, obtained
Temperature-drag relationship table.
4. a kind of projecting apparatus slide motor control method according to claim 3, which is characterized in that the acquisition temperature-
Drag relationship table is specially:Respectively under varying environment temperature value, thrust meter is employed many times and at the uniform velocity slide is pushed to open or close,
The maximum resistance value that slide under varying environment temperature value opens or closes is obtained, according to each ambient temperature value and the environment temperature
It is worth corresponding maximum resistance and is worth to temperature-drag relationship table.
5. a kind of projecting apparatus slide motor control method according to claim 2, which is characterized in that the acquisition resistance-
Involving moment conditions table is specially:Setting surplus coefficient M makes motor involve size of torque etc. under varying environment temperature value
The product of resistance and M suffered by slide sliding total kilometres, wherein M > 1 obtain resistance-and involve moment conditions table.
6. a kind of projecting apparatus slide motor control method according to claim 5, which is characterized in that the value of M is 1.5.
7. a kind of projecting apparatus slide motor control method according to claim 2, which is characterized in that the acquisition involves power
Square-rotation speed relation table is specially:Make motor operation under different rotating speeds, involving for slide motor is obtained using torque measuring device
Torque obtains involving torque-rotation speed relation table.
8. a kind of projecting apparatus slide motor control method according to claim 1, which is characterized in that the temperature-frequency
The generation step of relation table includes:
Obtain temperature-rotation speed relation table;
Temperature-frequency relation table is obtained according to formula (I) and temperature-rotation speed relation table
Wherein, n is motor steady-state speed, and P is motor number of pole-pairs, and f is electric machine frequency.
9. a kind of projecting apparatus slide motor control method according to claim 1, which is characterized in that pass through temperature sensor
Acquire ambient temperature value.
10. a kind of projecting apparatus slide motor control assembly, which is characterized in that including
Data acquisition module:Data control block is sent to for acquiring ambient temperature value, and by collected ambient temperature value;
Data memory module:For the temperature that prestores-rotation speed relation table and/or temperature-frequency relation table;
Data generation module:Relation table for being stored according to the data and data memory module of data collecting module collected generates
Corresponding motor speed or electric machine frequency;
Motor drive module:Motor speed for being generated according to data generation module or electric machine frequency control slide motor driving
Slide is turned on and off.
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CN201810335596.9A CN108471271B (en) | 2018-04-16 | 2018-04-16 | Projector sliding door motor control method and control device |
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CN201810335596.9A CN108471271B (en) | 2018-04-16 | 2018-04-16 | Projector sliding door motor control method and control device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110958336A (en) * | 2019-11-20 | 2020-04-03 | 维沃移动通信有限公司 | Method and electronic device for controlling motor in telescopic CCM |
CN113866635A (en) * | 2021-12-01 | 2021-12-31 | 山东蓝湾新材料有限公司 | Method for determining motor fault occurrence time in chemical equipment |
Citations (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1696483A (en) * | 2004-04-30 | 2005-11-16 | 马自达汽车株式会社 | Engine starting system |
CN101141015A (en) * | 2007-09-03 | 2008-03-12 | 奇瑞汽车有限公司 | Power generation mode control method of mix power vehicle |
CN101307716A (en) * | 2007-05-14 | 2008-11-19 | 光阳工业股份有限公司 | Cooling system of vehicles |
JP2009089575A (en) * | 2007-10-03 | 2009-04-23 | Keihin Corp | Electric motor and method of setting operating point of the motor |
JP2009100542A (en) * | 2007-10-16 | 2009-05-07 | Toyota Motor Corp | Controller of rotating electrical machine, its control method, program achieving the method by computer and recording medium recording program |
CN101895246A (en) * | 2010-06-08 | 2010-11-24 | 上海新进半导体制造有限公司 | Control pulse generating circuit and regulating system and method of direct current brushless motor speed |
CN201846296U (en) * | 2010-04-01 | 2011-05-25 | 台达电子工业股份有限公司 | Fan driving circuit capable of regulating speed automatically and power supplying circuit |
JP2011125121A (en) * | 2009-12-09 | 2011-06-23 | Honda Motor Co Ltd | Warm-up control of motor |
CN102735358A (en) * | 2011-03-29 | 2012-10-17 | 株式会社爱德克斯 | Temperature estimating device and temperature estimating method |
JP2015043649A (en) * | 2013-08-26 | 2015-03-05 | 富士電機株式会社 | Induction motor speed controller |
CN104506087A (en) * | 2015-01-13 | 2015-04-08 | 哈尔滨电机厂有限责任公司 | Pump storage group variable frequency starting load simulation system |
EP2928069A2 (en) * | 2014-04-02 | 2015-10-07 | Hamilton Sundstrand Corporation | Systems utilizing a controllable voltage AC generator system |
WO2016060408A1 (en) * | 2014-10-13 | 2016-04-21 | 한국미쓰비시엘리베이터 주식회사 | Apparatus for detecting overheating of motor |
CN105612348A (en) * | 2013-10-04 | 2016-05-25 | 株式会社Tbk | Electric pump |
US20160149528A1 (en) * | 2014-11-26 | 2016-05-26 | Kohler Co. | Power Angle Calculation for Alternator Controller |
CN105634226A (en) * | 2016-03-02 | 2016-06-01 | 江门日野电机有限公司 | Single-phase capacitor motor, capacitor device and driven oil pump and gate |
CN205377736U (en) * | 2015-12-11 | 2016-07-06 | 武汉松芝车用空调有限公司 | Embedded [electric] motor coach variable frequency air conditioner integration controller |
JP2017055532A (en) * | 2015-09-08 | 2017-03-16 | キヤノン株式会社 | Motor control device, controlling method of the same, program executed on the motor control device |
US20170294858A1 (en) * | 2016-04-07 | 2017-10-12 | Caterpillar Inc. | Flux estimator for switched reluctance machines |
EP3242392A1 (en) * | 2016-04-29 | 2017-11-08 | Deere & Company | Method and system for estimating a rotor position with a notch filter |
CN107342720A (en) * | 2017-08-28 | 2017-11-10 | 广东威灵电机制造有限公司 | Motor control assembly and method and washing machine |
CN206640527U (en) * | 2017-04-18 | 2017-11-14 | 成都翼诚电子有限公司 | A kind of three-phase stepper motor drive circuit for B-ultrasound probe for animal |
JP2017215404A (en) * | 2016-05-31 | 2017-12-07 | キヤノン株式会社 | Lens driving device |
US9846444B1 (en) * | 2017-06-07 | 2017-12-19 | Aic Inc. | Method for controlling and adjusting fans of electronic apparatus |
CN107654328A (en) * | 2017-09-29 | 2018-02-02 | 奇瑞汽车股份有限公司 | The moment of resistance of engine at low ambient temperatures determines method and device |
US20180062552A1 (en) * | 2013-09-20 | 2018-03-01 | Schweitzer Engineering Laboratories, Inc. | Electric motor protection using stator current and voltage measurements |
CN108886335A (en) * | 2016-03-29 | 2018-11-23 | 法雷奥电机设备公司 | For adjusting the device and corresponding alternating current generator of automotive alternator |
-
2018
- 2018-04-16 CN CN201810335596.9A patent/CN108471271B/en active Active
Patent Citations (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1696483A (en) * | 2004-04-30 | 2005-11-16 | 马自达汽车株式会社 | Engine starting system |
CN101307716A (en) * | 2007-05-14 | 2008-11-19 | 光阳工业股份有限公司 | Cooling system of vehicles |
CN101141015A (en) * | 2007-09-03 | 2008-03-12 | 奇瑞汽车有限公司 | Power generation mode control method of mix power vehicle |
JP2009089575A (en) * | 2007-10-03 | 2009-04-23 | Keihin Corp | Electric motor and method of setting operating point of the motor |
JP2009100542A (en) * | 2007-10-16 | 2009-05-07 | Toyota Motor Corp | Controller of rotating electrical machine, its control method, program achieving the method by computer and recording medium recording program |
JP2011125121A (en) * | 2009-12-09 | 2011-06-23 | Honda Motor Co Ltd | Warm-up control of motor |
CN201846296U (en) * | 2010-04-01 | 2011-05-25 | 台达电子工业股份有限公司 | Fan driving circuit capable of regulating speed automatically and power supplying circuit |
CN101895246A (en) * | 2010-06-08 | 2010-11-24 | 上海新进半导体制造有限公司 | Control pulse generating circuit and regulating system and method of direct current brushless motor speed |
CN102735358A (en) * | 2011-03-29 | 2012-10-17 | 株式会社爱德克斯 | Temperature estimating device and temperature estimating method |
JP2015043649A (en) * | 2013-08-26 | 2015-03-05 | 富士電機株式会社 | Induction motor speed controller |
US20180062552A1 (en) * | 2013-09-20 | 2018-03-01 | Schweitzer Engineering Laboratories, Inc. | Electric motor protection using stator current and voltage measurements |
CN105612348A (en) * | 2013-10-04 | 2016-05-25 | 株式会社Tbk | Electric pump |
EP2928069A2 (en) * | 2014-04-02 | 2015-10-07 | Hamilton Sundstrand Corporation | Systems utilizing a controllable voltage AC generator system |
WO2016060408A1 (en) * | 2014-10-13 | 2016-04-21 | 한국미쓰비시엘리베이터 주식회사 | Apparatus for detecting overheating of motor |
US20160149528A1 (en) * | 2014-11-26 | 2016-05-26 | Kohler Co. | Power Angle Calculation for Alternator Controller |
CN104506087A (en) * | 2015-01-13 | 2015-04-08 | 哈尔滨电机厂有限责任公司 | Pump storage group variable frequency starting load simulation system |
JP2017055532A (en) * | 2015-09-08 | 2017-03-16 | キヤノン株式会社 | Motor control device, controlling method of the same, program executed on the motor control device |
CN205377736U (en) * | 2015-12-11 | 2016-07-06 | 武汉松芝车用空调有限公司 | Embedded [electric] motor coach variable frequency air conditioner integration controller |
CN105634226A (en) * | 2016-03-02 | 2016-06-01 | 江门日野电机有限公司 | Single-phase capacitor motor, capacitor device and driven oil pump and gate |
CN108886335A (en) * | 2016-03-29 | 2018-11-23 | 法雷奥电机设备公司 | For adjusting the device and corresponding alternating current generator of automotive alternator |
US20170294858A1 (en) * | 2016-04-07 | 2017-10-12 | Caterpillar Inc. | Flux estimator for switched reluctance machines |
EP3242392A1 (en) * | 2016-04-29 | 2017-11-08 | Deere & Company | Method and system for estimating a rotor position with a notch filter |
JP2017215404A (en) * | 2016-05-31 | 2017-12-07 | キヤノン株式会社 | Lens driving device |
CN206640527U (en) * | 2017-04-18 | 2017-11-14 | 成都翼诚电子有限公司 | A kind of three-phase stepper motor drive circuit for B-ultrasound probe for animal |
US9846444B1 (en) * | 2017-06-07 | 2017-12-19 | Aic Inc. | Method for controlling and adjusting fans of electronic apparatus |
CN107342720A (en) * | 2017-08-28 | 2017-11-10 | 广东威灵电机制造有限公司 | Motor control assembly and method and washing machine |
CN107654328A (en) * | 2017-09-29 | 2018-02-02 | 奇瑞汽车股份有限公司 | The moment of resistance of engine at low ambient temperatures determines method and device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110958336A (en) * | 2019-11-20 | 2020-04-03 | 维沃移动通信有限公司 | Method and electronic device for controlling motor in telescopic CCM |
CN113866635A (en) * | 2021-12-01 | 2021-12-31 | 山东蓝湾新材料有限公司 | Method for determining motor fault occurrence time in chemical equipment |
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