CN207164533U - Interface signal processing unit - Google Patents
Interface signal processing unit Download PDFInfo
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- CN207164533U CN207164533U CN201720955170.4U CN201720955170U CN207164533U CN 207164533 U CN207164533 U CN 207164533U CN 201720955170 U CN201720955170 U CN 201720955170U CN 207164533 U CN207164533 U CN 207164533U
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Abstract
The utility model provides a kind of interface signal processing unit, wherein, include at least two interface areas for corresponding to the signal processing circuit respectively comprising the signal processing circuit at least two for handling different type feedback signal, the physical interface in signal processing circuit module；For the feedback device for accessing physical interface to be delivered into corresponding signal processing circuit；Each signal processing circuit in signal processing circuit module is connected with main control module respectively, and signal processing circuit module by signal process circuit carries out access processing, obtains accessing signal, and access signal is sent to main control module；The main control module utilizes feedback device species corresponding with the access signal or protocol type to read the feedback information accessed in signal, and the running status of the controlled device is monitored according to the feedback information and/or controlled device is controlled, realize the technique effect that need not change the feedback signal that board can read at least two types.
Description
Technical field
Technical field of servo control is the utility model is related to, more particularly, to a kind of interface signal processing unit.
Background technology
Feedback device (such as rotary encoder, linear encoder, hereinafter referred to as " encoder ") is servo-driver, frequency conversion
The important component of device, motion controller, programmable logic controller (PLC) etc. (hereinafter referred to as " equipment "), its task be by by
Control object for example the key message such as the position of electric rotating machine, linear electric motors etc., speed in the form of such as pulsed quantity, analog quantity form,
Digital amount form and various amounts mixed form feed back to the said equipment, so as to realize monitoring of the said equipment to controll plant
And control, such as control of location control, back to zero, speed control.Therefore, in order to obtain and correctly parse various shapes exactly
The feedback information of formula, it usually needs design corresponding feedback information acquisition process scheme (including hardware and software) and change them
The numerical data that can be directly used into embedded system.But because cost limitation or technology restriction, the said equipment are usual
Only support the encoder of one or two kinds of specifications or agreement.
At present, the encoder of main flow it is as implied above be divided into pulsed quantity form, analog quantity form, digital amount form or
Mixed form etc., it can also be divided into absolute value formula (full digital, sine and cosine nalog quantity type can be divided into again), increment type etc..Wherein
The absolute value formula encoder of main flow is again using several communications protocol interfaces that Ji great producers carry out to rely on, and such as Germany is western gram (SICK)
Hiperface and Hiperface DSL protocol interfaces, the Endat2.2/ of German Heidenhain (Heidenhain) company of company
Endat2.1 protocol interfaces, the exploitation of German iC-Haus companies and disclosed open protocol --- BiSS protocol interfaces, industry open
Agreement SSI protocol interfaces, T-Format protocol interfaces, the Japanese Nikon (Nikon) of river (Tamagawa) companies that rub of Japan public more
A-Format protocol interfaces of department etc..However, the common servo-driver of in the market, frequency converter, controller etc. are needing to support
During the encoder of diversified forms or interface, common way is to change different boards, and this method can be brought many to client
Limitation, operates complicated, cumbersome, service efficiency is low.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of interface signal processing method and processing device, existing to alleviate
There is equipment present in technology to need to support during the encoder of diversified forms or interface, it is necessary to change board, brought to client all
The technical problem of more inconvenience.
In a first aspect, the utility model embodiment provides a kind of interface signal processing unit, including：Physical interface, letter
Number processing circuit module and main control module；
The signal transacting at least two for handling different type feedback signal is included in the signal processing circuit module
Circuit, the physical interface include at least two interface areas for corresponding to the signal processing circuit respectively；Connect described in each
The connection end in mouth region domain connects with corresponding signal processing circuit respectively, and the feedback device for will access the physical interface is defeated
The feedback signal gone out is delivered to corresponding signal processing circuit；
Each signal processing circuit in the signal processing circuit module is connected with the main control module respectively, institute
State signal processing circuit described in signal processing circuit module and carry out access processing, obtain accessing signal, by the access signal hair
Deliver to the main control module；
The main control module is utilized described in feedback device species corresponding with the access signal or protocol type reading
The feedback information accessed in signal, and according to the feedback information running status of the controlled device is monitored and/or
Controlled device is controlled.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, the signal processing circuit module includes：Digital signal processing circuit, pulse signal process circuit and analog signal processing electricity
Road；
The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The analog signal processing circuit, for when the feedback signal is analog signal, utilizing Shape correction, isolation
At least one of processing, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, the type of the feedback signal includes：Pulsed quantity form, analog quantity form, digital amount form and mixed form.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, the type of the feedback signal also includes：Digital absolute value signal, the interface signal of incremental encoder and sine and cosine
Analog signalses.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, the feedback device includes：Rotary encoder and linear encoder, the controlled device include：Electric rotating machine and straight-line electric
Machine.
Second aspect, the utility model embodiment also provide a kind of interface signal processing unit, including：Physical interface, letter
Number processing circuit module, on-site programmable gate array FPGA or complex programmable logic device (CPLD) and main control module；
The signal transacting at least two for handling different type feedback signal is included in the signal processing circuit module
Circuit, the physical interface include at least two interface areas for corresponding to the signal processing circuit respectively；Each thing
The connection end for managing interface connects with corresponding signal processing circuit respectively, and the feedback device for will access the physical interface is defeated
The feedback signal gone out is delivered to corresponding signal processing circuit；
Each signal processing circuit in the signal processing circuit module respectively with the FPGA or described
CPLD connections, signal processing circuit described in the signal processing circuit module carry out access processing, obtain accessing signal, by described in
Access signal is sent to the FPGA or CPLD, the FPGA or the CPLD according to corresponding with the access signal
Feedback device species or protocol type read it is described access signal in feedback information；
The FPGA or the CPLD are connected with the main control module, and the main control module is entered using the feedback information
Row is monitored to the running status of controlled device and/or controlled device is controlled.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect, its
In, the signal processing circuit module includes：Digital signal processing circuit, pulse signal process circuit and analog signal processing electricity
Road；
The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The analog signal processing circuit, for when the feedback signal is analog signal, utilizing Shape correction, isolation
At least one of processing, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
With reference to second aspect, the utility model embodiment provides second of possible embodiment of second aspect, its
In, the type of the feedback signal includes：Pulsed quantity form, analog quantity form, digital amount form and mixed form.
With reference to second aspect, the utility model embodiment provides the third possible embodiment of second aspect, its
In, the type of the feedback signal also includes：Digital absolute value signal, the interface signal of incremental encoder and sine and cosine
Analog signalses.
With reference to second aspect, the utility model embodiment provides the 4th kind of possible embodiment of second aspect, its
In, the feedback device includes：Rotary encoder and linear encoder, the controlled device include：Electric rotating machine and straight-line electric
Machine.
The utility model embodiment brings following beneficial effect：The utility model embodiment can be accurate from feedback device
Ground is obtained and correctly parses the feedback information of at least two types, and the digital absolute value encoder of main flow and increment type are compiled
The interface scheme of code device is designed for uniformity, without by changing different hardware boards, greatly improving servo-driver etc. and setting
Standby compatibility and flexibility, and limitation of the user in lectotype selection is substantially reduced to a certain extent.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of a kind of structure chart for interface signal processing unit that the utility model embodiment provides；
Fig. 2 is a kind of another structure chart for interface signal processing unit that the utility model embodiment provides；
Fig. 3 is a kind of structure chart for another interface signal processing unit that the utility model embodiment provides；
Fig. 4 is another structure chart for another interface signal processing unit that the utility model embodiment provides.
Icon：11- physical interfaces；12- signal processing circuit modules；13- main control modules；14-FPGA or CPLD.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
Common servo-driver, frequency converter, controller etc. are needing to support diversified forms or interface in the market
During encoder, common way is to change different boards, and this method can bring many restrictions to client, is operated multiple
Miscellaneous, cumbersome, service efficiency is low, and based on this, a kind of interface signal processing method and processing device of the utility model embodiment offer can
To be obtained exactly from feedback device and correctly parse the feedback information of at least two types, the digital absolute value of main flow is compiled
The interface scheme of code device and incremental encoder is designed for uniformity, without by changing different hardware boards, carrying significantly
The compatibility of the equipment such as high servo-driver and flexibility, and limit of the user in lectotype selection is substantially reduced to a certain extent
System.
For ease of understanding the present embodiment, first to a kind of interface signal disclosed in the utility model embodiment at
Reason device describes in detail, and in actual applications, interface signal processing unit can be used as servo-driver, frequency converter and control
The important component of device processed etc., as shown in figure 1, the interface signal processing unit includes：Physical interface 11, signal transacting electricity
Road module 12 and main control module 13；
It is used to handle at the signal of different type feedback signal comprising at least two in the signal processing circuit module 12
Manage circuit；The physical interface includes at least two interface areas for corresponding to the signal processing circuit respectively, the interface
Region can be independently arranged for carrying out fence that is spacing and being oriented to the interface of feedback device, and fence can be rectangle frame shape
Shape, fence can also set fence only at the corner of rectangle, a rectangular area surrounded by the fence of corner, actually should
It can also not limited by other forms, the utility model in；The connection end of the physical interface 11 respectively with the signal
At least two signal processing circuits connection in processing circuit module 12, the feedback device for will access the physical interface are defeated
The feedback signal gone out is delivered to corresponding signal processing circuit；
In the utility model embodiment, feedback device can refer to rotary encoder, linear encoder etc., feedback signal
Type includes：Pulsed quantity form, analog quantity form, digital amount form and mixed form, digital absolute value signal, increment type
Interface signal and sine and cosine analog signalses of encoder etc., accordingly, arteries and veins can be divided into by sending the encoder of feedback signal
Momentum form, analog quantity form, digital amount form or mixed form, can also be divided into absolute value formula (can be divided into digital again
Formula, sine and cosine nalog quantity type), increment type etc..Main control module can refer to single-chip microcomputer and its peripheral circuit, arm processor and its
Peripheral circuit and DSP and its periphery electricity.Road etc., it can specifically be set according to being actually needed, this reality
Do not limited with new.
Each signal processing circuit in the signal processing circuit module 12 connects with the main control module 13 respectively
Connect, signal processing circuit described in the signal processing circuit module 12 carries out access processing, obtains accessing signal, by the access
Signal is sent to the main control module 13；
In the utility model embodiment, by signal processing circuit module 12 by digital absolute value formula or (including but
Be not limited only to Hiperface, Hiperface DSL, Endat2.2, BiSS-C, SSI, T-Format, A-Format etc.), increment
The interface signal (including but are not limited to ABZ increment types, ABZ+UVW increment types, Hall-type etc.) of formula encoder, and more than sine
String analog signalses (including but are not limited to Hiperface agreements and rotary transformer etc.) are uniformly accessed into processing.
In the utility model embodiment, as shown in Fig. 2 the signal processing circuit module 12 includes：At data signal
Manage circuit, pulse signal process circuit and analog signal processing circuit；
The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；In the utility model embodiment, pulse signal
Square-wave signal etc. can be referred to.
The analog signal processing circuit, for when the feedback signal is analog signal, utilizing Shape correction, isolation
At least one of processing, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
The main control module 13 reads institute using feedback device species corresponding with the access signal or protocol type
State the feedback information in access signal, and according to the feedback information running status of the controlled device is monitored and/
Or controlled device is controlled.In the utility model embodiment, controlled device can refer to electric rotating machine and linear electric motors etc.,
In actual applications, the task of feedback device be by key messages such as the position of controlled device, speed in the form of such as pulsed quantity,
Analog quantity form, digital amount form and various amounts mixed form feed back to main control module, so as to realize main control module to quilt
Control equipment running status be monitored and/or controlled device be controlled, as status monitoring, location control, back to zero control,
Speed control etc..
Main control module 13 can carry out individual pen and multi-turn position, rotary speed of absolute value encoder etc. based on feedback information
Acquisition of information, or the step-by-step counting etc. of incremental encoder, then, the fortune according to the feedback information to the controlled device
Row state is monitored and/or controlled device is controlled, i.e. by the feedback information by certain processing conversion in master control
By realizing closed-loop control etc. compared with the command information of default (such as target location, target velocity) in CPU.
The state of controlled device is monitored according to feedback information, such as when the state of controlled device exceeds secure threshold, report can be sent
It is alert, fault diagnosis etc. can also be carried out according to feedback information, in actual applications, can also set as needed.
In another embodiment of the present utility model, a kind of interface signal processing method is also provided, applied to such as foregoing reality
Apply in the main control module 13 described in example, the method that the utility model embodiment is provided, its realization principle and caused technology effect
Fruit is identical with aforementioned means embodiment, and to briefly describe, embodiment of the method part does not refer to part, refers to aforementioned means implementation
Corresponding contents in example, the described method comprises the following steps.
Step S101, feedback device species corresponding with access signal or protocol type are determined using predetermined manner；
In actual applications, the step S101 includes：Receive what user was inputted according to suggestion content using input equipment
Feedback device species or protocol type, the suggestion content include the device information of feedback device；Or read feedback device
Default feedback device species or protocol type in internal storage space.
Step S102, the feedback letter in the access signal is read according to the feedback device species or protocol type
Breath；
Step S103, the running status of controlled device is monitored according to the feedback information and/or to controlled device
It is controlled.
In another embodiment of the present utility model, a kind of interface signal processing unit is also provided, in preceding in the present embodiment
The description that embodiment identical part may be referred to previous embodiment is stated, the present embodiment does not repeat, as shown in figure 3, described connect
Mouth signal processing apparatus includes：Physical interface 11, signal processing circuit module 12, on-site programmable gate array FPGA or complexity
Programmable logic device (CPLD) 14 and main control module 13；
It is used to handle at the signal of different type feedback signal comprising at least two in the signal processing circuit module 12
Manage circuit；The physical interface includes at least two interface areas for corresponding to the signal processing circuit respectively, the physics
The connection end of interface 11 is connected with least two signal processing circuits in the signal processing circuit module 12 respectively, for inciting somebody to action
The feedback signal that feedback device exports to the physical interface 11 is delivered to corresponding signal processing circuit；
In the utility model embodiment, feedback device can refer to rotary encoder, linear encoder etc., feedback signal
Type includes：Pulsed quantity form, analog quantity form, digital amount form and mixed form, digital absolute value signal, increment type
Interface signal and sine and cosine analog signalses of encoder etc., accordingly, arteries and veins can be divided into by sending the encoder of feedback signal
Momentum form, analog quantity form, digital amount form or mixed form, can also be divided into absolute value formula (can be divided into digital again
Formula, sine and cosine nalog quantity type), increment type etc..
Each signal processing circuit in the signal processing circuit module 12 respectively with the FPGA or described
CPLD 14 is connected, and signal processing circuit described in the signal processing circuit module 12 carries out access processing, obtains accessing signal,
By it is described access signal send to the FPGA or CPLD 14, the FPGA or the CPLD 14 according to it is described
Access feedback device species corresponding to signal or protocol type reads the feedback information accessed in signal；
In the utility model embodiment, by signal processing circuit module 12 by digital absolute value formula or (including but
Be not limited only to Hiperface, Hiperface DSL, Endat2.2, BiSS-C, SSI, T-Format, A-Format etc.), increment
The interface signal (including but are not limited to ABZ increment types, ABZ+UVW increment types, Hall-type etc.) of formula encoder, and more than sine
String analog signalses (including but are not limited to Hiperface agreements and rotary transformer etc.) are uniformly accessed into processing.
In the utility model embodiment, as shown in figure 4, the signal processing circuit module 12 includes：At data signal
Manage circuit, pulse signal process circuit and analog signal processing circuit；
The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；
The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation
At least one of processing and noise reduction process mode handle the feedback signal；In the utility model embodiment, pulse signal
Square-wave signal etc. can be referred to.
The analog signal processing circuit, for when the feedback signal is analog signal, utilizing Shape correction, isolation
At least one of processing, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
The FPGA or CPLD 14 is connected with the main control module 13, and the main control module 13 utilizes described anti-
Feedforward information is monitored to the running status of controlled device and/or controlled device is controlled.Quilt is monitored according to feedback information
The state of equipment is controlled, such as when the state of controlled device exceeds secure threshold, alarm can be sent, can also be according to feedback letter
Breath carries out fault diagnosis etc., in actual applications, can also set as needed.
In another embodiment of the present utility model, a kind of interface signal processing method is also provided, applied to such as foregoing
In on-site programmable gate array FPGA or complex programmable logic device (CPLD) 14 described in two device embodiments, this reality
The method provided with new embodiment, its realization principle and caused technique effect are identical with aforementioned means embodiment, for letter
Describe, embodiment of the method part does not refer to part, refers to corresponding contents in aforementioned means embodiment, methods described include with
Lower step.
Step S201, feedback device species corresponding with access signal or protocol type are determined using predetermined manner；
In actual applications, step S201 includes：Receive the feedback that user utilizes input equipment to input according to suggestion content
Part category or protocol type, the suggestion content include the device information of feedback device；Or read inside feedback device
Default feedback device species or protocol type in memory space.
Step S202, the feedback letter in the access signal is read according to the feedback device species or protocol type
Breath；
Step S203, the feedback information is sent to main control module 13.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, the technical solution of the utility model substantially or
Person says that the part of the part to be contributed to prior art or the technical scheme can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are causing a computer equipment (can be with
Personal computer, server, or network equipment etc.) perform each embodiment methods described of the utility model whole or portion
Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), with
Machine access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. interface signal processing unit, it is characterised in that including：Physical interface, signal processing circuit module and master control mould Block；At least two signal processing circuits for being used to handle different type feedback signal are included in the signal processing circuit module, The physical interface includes at least two interface areas for corresponding to the signal processing circuit respectively；Each interface area Connection end respectively with corresponding signal processing circuit connect, for will access physical interface feedback device output feedback letter Number it is delivered to corresponding signal processing circuit；Each signal processing circuit in the signal processing circuit module is connected with the main control module respectively, the letter Number signal processing circuit described in processing circuit module carries out access processing, obtains accessing signal, by the access signal send to The main control module；The main control module utilizes feedback device species corresponding with the access signal or protocol type to read the access Feedback information in signal, and the running status of controlled device is monitored according to the feedback information and/or set to controlled It is standby to be controlled.
- 2. interface signal processing unit according to claim 1, it is characterised in that the signal processing circuit module bag Include：Digital signal processing circuit, pulse signal process circuit and analog signal processing circuit；The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation processing The feedback signal is handled with least one of noise reduction process mode；The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation processing The feedback signal is handled with least one of noise reduction process mode；The analog signal processing circuit, for when the feedback signal is analog signal, at Shape correction, isolation At least one of reason, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
- 3. interface signal processing unit according to claim 2, it is characterised in that the type of the feedback signal includes： Pulsed quantity form, analog quantity form, digital amount form and mixed form.
- 4. interface signal processing unit according to claim 3, it is characterised in that the type of the feedback signal is also wrapped Include：Digital absolute value signal, the interface signal of incremental encoder and sine and cosine analog signalses.
- 5. interface signal processing unit according to claim 3, it is characterised in that the feedback device includes：Rotation is compiled Code device and linear encoder, the controlled device include：Electric rotating machine and linear electric motors.
- A kind of 6. interface signal processing unit, it is characterised in that including：Physical interface, signal processing circuit module, scene can compile Journey gate array FPGA or complex programmable logic device (CPLD) and main control module；At least two signal processing circuits for being used to handle different type feedback signal are included in the signal processing circuit module, The physical interface includes at least two interface areas for corresponding to the signal processing circuit respectively；Each physical interface Connection end respectively with corresponding signal processing circuit connect, for will access the physical interface feedback device output it is anti- Feedback signal is delivered to corresponding signal processing circuit；Each signal processing circuit in the signal processing circuit module connects with the FPGA or CPLD respectively Connect, signal processing circuit described in the signal processing circuit module carries out access processing, obtains accessing signal, and the access is believed Number send to the FPGA or CPLD, the FPGA or the CPLD according to it is described access signal it is corresponding feed back Part category or protocol type read the feedback information in the access signal；The FPGA or the CPLD are connected with the main control module, and the main control module carries out quilt using the feedback information The running status of control equipment is monitored and/or controlled device is controlled.
- 7. interface signal processing unit according to claim 6, it is characterised in that the signal processing circuit module bag Include：Digital signal processing circuit, pulse signal process circuit and analog signal processing circuit；The digital signal processing circuit, for when the feedback signal is data signal, utilizing Shape correction, isolation processing The feedback signal is handled with least one of noise reduction process mode；The pulse signal process circuit, for when the feedback signal is pulse signal, utilizing Shape correction, isolation processing The feedback signal is handled with least one of noise reduction process mode；The analog signal processing circuit, for when the feedback signal is analog signal, at Shape correction, isolation At least one of reason, noise reduction process, analog-to-digital conversion process and signal energized process mode handles the feedback signal.
- 8. interface signal processing unit according to claim 7, it is characterised in that the type of the feedback signal includes： Pulsed quantity form, analog quantity form, digital amount form and mixed form.
- 9. interface signal processing unit according to claim 8, it is characterised in that the type of the feedback signal is also wrapped Include：Digital absolute value signal, the interface signal of incremental encoder and sine and cosine analog signalses.
- 10. interface signal processing unit according to claim 9, it is characterised in that the feedback device includes：Rotation is compiled Code device and linear encoder, the controlled device include：Electric rotating machine and linear electric motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955170.4U CN207164533U (en) | 2017-08-02 | 2017-08-02 | Interface signal processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720955170.4U CN207164533U (en) | 2017-08-02 | 2017-08-02 | Interface signal processing unit |
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| CN207164533U true CN207164533U (en) | 2018-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262487A (en) * | 2020-03-02 | 2020-06-09 | 南京工程学院 | Intelligent high-power alternating-current servo drive system and servo drive control method |
-
2017
- 2017-08-02 CN CN201720955170.4U patent/CN207164533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262487A (en) * | 2020-03-02 | 2020-06-09 | 南京工程学院 | Intelligent high-power alternating-current servo drive system and servo drive control method |
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