CN103501140A - Singlechip-based permanent magnet brushless direct-current motor control system - Google Patents
Singlechip-based permanent magnet brushless direct-current motor control system Download PDFInfo
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- CN103501140A CN103501140A CN201310472252.XA CN201310472252A CN103501140A CN 103501140 A CN103501140 A CN 103501140A CN 201310472252 A CN201310472252 A CN 201310472252A CN 103501140 A CN103501140 A CN 103501140A
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Abstract
The invention discloses a singlechip-based permanent magnet brushless direct-current motor control system, which comprises a motor, a compact disc coder, an extended memory, a singlechip, a current detector and a driving amplifying device, wherein the motor, the compact disc coder, the singlechip and the driving amplifying device are connected in sequence; the singlechip is a PIC16F877A singlechip. The PIC16F877A singlechip is adopted, so that the singlechip-based permanent magnetic brushless direct-current motor control system has the advantages of simple structure, running reliability, convenience in maintenance and high speed-regulating characteristic; moreover, a feedback device is simple, and the output torque is high, so that a motor and an inverter can be applied more fully.
Description
Technical field
The present invention relates to a kind of SCM Based permanent magnetic brushless DC motor control system.
Background technology
Since the nineties in 20th century, development along with the raising of people's living standard and modern production, office automation, the equipment such as household electrical appliance, industrial robot all more and more trends towards high efficiency, miniaturization and high-intelligentization, as the important component part of executive component, motor must have that precision is high, speed is fast, the efficiency high.Brushless DC motor is to grow up on the basis of brush DC motors.Since brush DC motors occurred from the forties in 19th century, the good torque control characteristic with it, within the quite a long time always at the motion control field dominate.But it is a deadly defect of current motor that mechanical contact point brush commutator is arranged always, it has reduced the reliability of system, has limited its use in a lot of occasions.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of SCM Based permanent magnetic brushless DC motor control system, it is simple in structure, reliable, easy to maintenance, possesses good governor control characteristics, and feedback device is simple, the output torque is large, can make motor and inverter be applied more fully.
For addressing the above problem, the present invention adopts following technical scheme: a kind of SCM Based permanent magnetic brushless DC motor control system, comprise motor, optical disc encoding device, extended menory, single-chip microcomputer, current detector and drive amplification device, described motor, optical disc encoding device, single-chip microcomputer and drive amplification device are connected successively.
As preferably, described current detector is arranged between single-chip microcomputer and drive amplification device.
As preferably, described extended menory is connected with single-chip microcomputer separately, and extended menory is not connected with other modules.
As preferably, described motor is DC motor.
As preferably, described single-chip microcomputer is PIC16F877A.
The beneficial effect that the present invention is based on the permanent magnetic brushless DC motor control system of single-chip microcomputer is: because described SCM Based permanent magnetic brushless DC motor control system has adopted the PIC16F877A single-chip microcomputer, it is simple in structure, reliable, easy to maintenance, possesses good governor control characteristics, and feedback device is simple, the output torque is large, can make motor and inverter be applied more fully.
The accompanying drawing explanation
Fig. 1 is the theory diagram that the present invention is based on the permanent magnetic brushless DC motor control system of single-chip microcomputer.
Embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Consult shown in Fig. 1, a kind of SCM Based permanent magnetic brushless DC motor control system, comprise motor, optical disc encoding device, extended menory, single-chip microcomputer, current detector and drive amplification device, described motor, optical disc encoding device, single-chip microcomputer and drive amplification device are connected successively, described motor is DC motor, and described single-chip microcomputer is PIC16F877A.
Described current detector is arranged between single-chip microcomputer and drive amplification device,, described extended menory is connected with single-chip microcomputer separately, and extended menory is not connected with other modules.
SCM Based permanent magnetic brushless DC motor control system is mainly by motor, optical disc encoding device, extended menory, single-chip microcomputer, current detector and drive amplification installation composition.When single-chip microcomputer receives reference input (corner and angular speed), be converted into pulse width modulation (PWM) output, give motor through drive amplification, produce output.Detect phase current by current detector, complete overcurrent protection; The optical disc encoding device detects rotation direction and the corner of motor, feeds back to single-chip microcomputer, forms closed-loop control, in real time controlled motion precision effectively.
The beneficial effect that the present invention is based on the permanent magnetic brushless DC motor control system of single-chip microcomputer is: because described SCM Based permanent magnetic brushless DC motor control system has adopted the PIC16F877A single-chip microcomputer, it is simple in structure, reliable, easy to maintenance, possesses good governor control characteristics, and feedback device is simple, the output torque is large, can make motor and inverter be applied more fully.
In the description of this specification, the description of reference term " embodiment ", " example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (5)
1. a SCM Based permanent magnetic brushless DC motor control system, it is characterized in that, comprise motor, optical disc encoding device, extended menory, single-chip microcomputer, current detector and drive amplification device, described motor, optical disc encoding device, single-chip microcomputer and drive amplification device are connected successively.
2. electric machine control system according to claim 1, is characterized in that, described current detector is arranged between single-chip microcomputer and drive amplification device.
3. electric machine control system according to claim 1, is characterized in that, described extended menory is connected with single-chip microcomputer separately, and extended menory is not connected with other modules.
4. electric machine control system according to claim 1, is characterized in that, described motor is DC motor.
5. electric machine control system according to claim 1, is characterized in that, described single-chip microcomputer is PIC16F877A.
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CN201310472252.XA CN103501140A (en) | 2013-10-11 | 2013-10-11 | Singlechip-based permanent magnet brushless direct-current motor control system |
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CN201310472252.XA CN103501140A (en) | 2013-10-11 | 2013-10-11 | Singlechip-based permanent magnet brushless direct-current motor control system |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1499008A2 (en) * | 2003-07-17 | 2005-01-19 | ebm-papst Mulfingen GmbH & Co.KG | Method and control system for electronic commutation of brushless DC motors |
CN201403064Y (en) * | 2009-03-10 | 2010-02-10 | 常州合泰微特电机有限公司 | Brushless servo system and driving device based on permanent magnet brushless direct current motor |
CN102868344A (en) * | 2012-09-21 | 2013-01-09 | 珠海格力电器股份有限公司 | Control method and device for direct current brushless motor |
CN103312245A (en) * | 2013-06-24 | 2013-09-18 | 珠海格力电器股份有限公司 | Motor controller and motor control method |
CN103345245A (en) * | 2013-07-29 | 2013-10-09 | 邵阳学院 | Multifunctional motor control strategy test experimental device and application thereof |
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2013
- 2013-10-11 CN CN201310472252.XA patent/CN103501140A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1499008A2 (en) * | 2003-07-17 | 2005-01-19 | ebm-papst Mulfingen GmbH & Co.KG | Method and control system for electronic commutation of brushless DC motors |
CN201403064Y (en) * | 2009-03-10 | 2010-02-10 | 常州合泰微特电机有限公司 | Brushless servo system and driving device based on permanent magnet brushless direct current motor |
CN102868344A (en) * | 2012-09-21 | 2013-01-09 | 珠海格力电器股份有限公司 | Control method and device for direct current brushless motor |
CN103312245A (en) * | 2013-06-24 | 2013-09-18 | 珠海格力电器股份有限公司 | Motor controller and motor control method |
CN103345245A (en) * | 2013-07-29 | 2013-10-09 | 邵阳学院 | Multifunctional motor control strategy test experimental device and application thereof |
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Application publication date: 20140108 |