CN206077265U - A kind of brushless direct current motor controller based on DSP - Google Patents
A kind of brushless direct current motor controller based on DSP Download PDFInfo
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- CN206077265U CN206077265U CN201621078719.8U CN201621078719U CN206077265U CN 206077265 U CN206077265 U CN 206077265U CN 201621078719 U CN201621078719 U CN 201621078719U CN 206077265 U CN206077265 U CN 206077265U
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Abstract
This utility model is related to a kind of brushless direct current motor controller based on DSP, and it includes DSP core controller, CAN, LCD MODULE, alarm module, control input module, power driver module, current detection module, Rotating speed measring module, brshless DC motor and serial communication modular.It is characterized in that：The DSP core controller module is for the process to whole system data, motor operation real-time monitoring and control, in real time offer correspondence with foreign country data-interface, display and Realtime Alerts；The current detection module is for the detection to phase current during motor operation；The Rotating speed measring module is for the detection to the real-time rotating speed of motor；Serial communication modular provides data-interface for both communications；DC power supplier is respectively DSP core controller, power driver module, current detection module and Rotating speed measring module and provides corresponding running voltage.This utility model can improve control accuracy, response speed and the robustness of brushless DC motor control system.
Description
Technical field
This utility model is related to electric and electronic technical field, and in particular to a kind of brshless DC motor based on DSP is controlled
Device
Background technology
The history being developed so far for many years of brshless DC motor.Traditional direct current generator need brush mechanical commutation and
Poor reliability, needs Jing often to safeguard and be also easy to produce electromagnetic interference and spark when commutating, and noise is big.In this context, with the modern times
Power Electronic Technique is particularly developing rapidly for high-power electronic device, and brshless DC motor arises at the historic moment.
Early in 1917, Boliger just proposed the mechanical brush for replacing brushed DC motor with rectifier tube, so as to be born
The basic thought of brshless DC motor.Nineteen fifty-five, U.S. D.Harrison et al. have applied using transistor commutation circuit first
Replace the patent of mechanical brush, indicate the birth of modern brushless motor.It is with developing rapidly for power electronics industry, many new
The high-performance semiconductor power device of type occurs in succession, such as MOSFET, IGBT etc., and the appearance of high performance permanent magnetic materialses,
Solid foundation has been established in extensive application for permanent-magnet brushless DC electric machine.1978, the MANNESMANN of former company of West Germany was public
Intramat branches of department release classical brushless direct current motor and its driver, so as to indicate the brushless dc of electronics commutation
Machine actually enters the practical stage.
At the same time, with the high speed development of science and technology, the species and work(of all kinds of high performance controllers for motor control
Also increasingly can enrich, arithmetic speed there has also been qualitative leap, 32 floating-points of support that for example Texas Instruments (TI) produce
The TMS320F28335 motor specific chips of computing, work dominant frequency up to 150M, on above-mentioned hardware foundation, completely can be real
The real time motor control algolithm of existing function admirable, and write perfect monitoring software.
The content of the invention
The purpose of this utility model is to provide a kind of brushless direct current motor controller based on DSP, by the detection installed
Equipment carries out real-time detection in real time to motor operating state, and with reference to the design parameter of motor, provides for brshless DC motor
Rationally, efficient and stable control.
To reach above-mentioned purpose, the technical scheme adopted by this utility model for：
A kind of brushless direct current motor controller based on DSP, including DSP core controller, CAN, liquid crystal
Show module, alarm module, control input module, power driver module, current detection module, Rotating speed measring module, brushless direct-current
Motor and serial communication modular.It is characterized in that：The DSP core controller module connects current detection module respectively, turns
Fast detection module, LCD MODULE, alarm module, control input module, CAN and serial communication modular, are used for
Process, motor operation real-time monitoring and control, in real time offer correspondence with foreign country data-interface, display and reality to whole system data
Alarm；The current detection module is connected with DSP core controller and power driver module respectively, during for motor operation
The detection of phase current；The Rotating speed measring module is connected with DSP core controller and brshless DC motor respectively, for motor
The detection of rotating speed in real time；Serial communication modular is connected with DSP core controller and host computer respectively, is that both communicate offer data
Interface；DC power supplier connects DSP core controller, power driver module, current detection module and Rotating speed measring mould respectively
Block, is respectively its corresponding running voltage of offer.
A kind of described brushless direct current motor controller based on DSP, it is characterised in that：The DSP core controller
Concrete model is TMS320F28335.
A kind of described brushless direct current motor controller based on DSP, it is characterised in that：The current detection module is selected
Hall current sensor model HAT500-S.
A kind of described brushless direct current motor controller based on DSP, it is characterised in that：The Rotating speed measring module is selected
Model E6B2-CWZ6C of encoder.
A kind of described brushless direct current motor controller based on DSP, it is characterised in that：The DC power supplier correspondence
12V, 5V, 3.3V voltage output adopt voltage stabilizing chip be respectively LM7812, LM7805 and AMS1084.
Compared with prior art, the utility model has the advantage of：This utility model is using TI companies
TMS320F28335 dedicated machine controllers, can greatly improve the control accuracy and stability of brshless DC motor；With employing
DSP+FPGA is compared as the controller of master controller, can substantially reduce the cost of brushless direct current motor controller；Meanwhile, this is
System adopts internal ring for electric current loop, the double-closed-loop control that outer shroud is der Geschwindigkeitkreis, and Fuzzy Adaptive PID Control algorithm is added to control
In the middle of system processed, it is possible to increase the stability and robustness of system, with preferably application and promotion prospect.
Description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model
Fig. 2 is current detection circuit schematic diagram of the present utility model
Specific embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but, it is described herein excellent
Select embodiment to be merely to illustrate and explain this utility model, be not used to limit this utility model.
The general structure schematic diagram of the present embodiment system is as shown in Figure 1, there is provided a kind of brshless DC motor based on DSP
Controller, including DSP core controller, CAN, LCD MODULE, alarm module, control input module, power
Drive module, current detection module, Rotating speed measring module, brshless DC motor and serial communication modular.DC power supplier
As the supplier of whole system power supply, respectively DSP core controller and current detection module, Rotating speed measring module, power
Drive module provides the running voltage of 3.3V, 5V, 12V, and DSP core controller is carried out by the switching tube to power driver module
Control, so as to form inversion, is the alternating current that motor rotates needs by the DC inverter of 12V, and current detection module is used for real
When the electric current of power driver module outfan is detected, provide real-time current, rotating speed for electric machine control system rotating speed internal ring
Detection module realizes the detection to the real-time rotating speed of motor by rotating speed coder, so as to provide instantaneous value for rotating speed outer shroud, passes through
The synergic adjustment of rotating speed inner ring and outer rings, finally realizes motor high speed, the operation of high stability.DSP core controller can lead to
Cross serial communication modular and the running status of current motor is sent to into host computer, long-range prison is realized by the software on host computer
Survey.Controller also provides execute-in-place, there is provided the liquid crystal display of running status, the work(such as Realtime Alerts and the input of control targe scene
Energy.Meanwhile, DSP core controller is also connected with CAN communication interface, is easy to be communicated with other equipment in real time, is made
The system of obtaining has autgmentability.
The current detection circuit schematic diagram of the present embodiment system is as shown in Fig. 2 in the middle of embodiment from A phases therein be
Example, CSENA is the voltage obtained by A phase current sampling resistance samplings, realizes the suppression of common mode disturbances by common mode inductance, such as
R1, R2, R3 realize the conversion of voltage jointly, the circuit by the negative value of the voltage of three-phase current be converted on the occasion of, and pass through R4
The amplifying circuit constituted with R5 realizes the amplification of the voltage of circuit.Circuit according to designed by this paper, output voltage VIAAnd input
Voltage VCSENABetween relation be shown below：
According to above formula, when the given electric current of three-phase is zero, VCSENAGiven voltage is zero, now output voltage VIAProtect
The state for 1.6V is held, when three-phase current is given as negative value, output voltage VIAAlso will remain between 0-1.6V, it is ensured that DSP
The voltage signal for collecting be on the occasion of.
In sum, a kind of brushless direct current motor controller based on DSP of this utility model above-described embodiment, with biography
System special chip constitutes the advantage of Brushless DC Motor Controller, i.e., special motor control mechanism, user-programmable, extension
Ability is strong, powerful, while and overcome their respective shortcomings, such as peripheral hardware and bin is integrated in chip, can save
The number of components and parts in the area of printed circuit board (PCB), reduction system, improve CPU processing datas ability and whole system can
By property, secondly the excellent performance of DSP, greatly improves the stability and control accuracy of whole control system, and market prospect is vast.
Finally it should be noted that：Embodiment in described above is only preferred implementation of the present utility model, not
For limiting this utility model, for those skilled in the art, without departing from this utility model structural principle
Under the premise of, some improvement and retouching can also be made, these improve and also should be regarded as protection domain of the present utility model with retouching.
Claims (5)
1. a kind of brushless direct current motor controller based on DSP, including DSP core controller, CAN, liquid crystal display
Module, alarm module, control input module, power driver module, current detection module, Rotating speed measring module, brushless dc
Machine and serial communication modular, it is characterised in that：The DSP core controller module connects current detection module, rotating speed respectively
Detection module, LCD MODULE, alarm module, control input module, CAN and serial communication modular, for right
The process of whole system data, motor operation real-time monitoring and control, correspondence with foreign country data-interface is provided, is shown in real time and in real time
Report to the police；The current detection module is connected with DSP core controller and power driver module respectively, for motor operation phase
The detection of electric current；The Rotating speed measring module is connected with DSP core controller and brshless DC motor respectively, for motor reality
When rotating speed detection；Serial communication modular is connected with DSP core controller and host computer respectively, be both communicate offer data connect
Mouthful；DC power supplier connects DSP core controller, power driver module, current detection module and Rotating speed measring module respectively,
Its corresponding running voltage of offer is provided.
2. a kind of brushless direct current motor controller based on DSP according to claim 1, it is characterised in that：The DSP core
The concrete model of heart controller is TMS320F28335.
3. a kind of brushless direct current motor controller based on DSP according to claim 1, it is characterised in that：The electric current
Model HAT500-S of the Hall current sensor that detection module is selected.
4. a kind of brushless direct current motor controller based on DSP according to claim 1, it is characterised in that：The rotating speed
Model E6B2-CWZ6C of the detection module from encoder.
5. a kind of brushless direct current motor controller based on DSP according to claim 1, it is characterised in that：The direct current
The voltage stabilizing chip that 12V, 5V, 3.3V voltage output corresponding to power module is adopted is respectively LM7812, LM7805 and AMS1084.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078719.8U CN206077265U (en) | 2016-09-24 | 2016-09-24 | A kind of brushless direct current motor controller based on DSP |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078719.8U CN206077265U (en) | 2016-09-24 | 2016-09-24 | A kind of brushless direct current motor controller based on DSP |
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| CN206077265U true CN206077265U (en) | 2017-04-05 |
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| CN201621078719.8U Expired - Fee Related CN206077265U (en) | 2016-09-24 | 2016-09-24 | A kind of brushless direct current motor controller based on DSP |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989335A (en) * | 2019-12-23 | 2020-04-10 | 聊城鑫泰机床有限公司 | Robot direct-current brushless servo motor PID controller based on reinforcement learning |
| CN111366741A (en) * | 2020-04-16 | 2020-07-03 | 皖西学院 | Rotating speed detection device of brushless direct current motor |
| CN113848365A (en) * | 2021-11-29 | 2021-12-28 | 之江实验室 | Circuit for measuring phase current of motor in high bandwidth |
-
2016
- 2016-09-24 CN CN201621078719.8U patent/CN206077265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989335A (en) * | 2019-12-23 | 2020-04-10 | 聊城鑫泰机床有限公司 | Robot direct-current brushless servo motor PID controller based on reinforcement learning |
| CN111366741A (en) * | 2020-04-16 | 2020-07-03 | 皖西学院 | Rotating speed detection device of brushless direct current motor |
| CN113848365A (en) * | 2021-11-29 | 2021-12-28 | 之江实验室 | Circuit for measuring phase current of motor in high bandwidth |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |