CN210983102U - Turntable/swing table control system with front end compensation mechanism - Google Patents
Turntable/swing table control system with front end compensation mechanism Download PDFInfo
- Publication number
- CN210983102U CN210983102U CN202020077130.6U CN202020077130U CN210983102U CN 210983102 U CN210983102 U CN 210983102U CN 202020077130 U CN202020077130 U CN 202020077130U CN 210983102 U CN210983102 U CN 210983102U
- Authority
- CN
- China
- Prior art keywords
- filter capacitor
- chip
- encoder
- compensation mechanism
- end compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model discloses a turntable/swing platform control system with a front end compensation mechanism, which relates to the servo control field, and comprises an angle encoder, an alternating current servo motor and an alternating current servo driver, wherein the angle encoder and the alternating current servo motor are arranged in the same shaft system, and the front end compensation mechanism is arranged between the angle encoder and the alternating current servo driver; the front-end compensation mechanism comprises a high-frequency angle measuring chip, a central control chip and an encoder slave station chip, wherein the high-frequency angle measuring chip and the encoder slave station chip are connected with the central control chip and carry out information interaction, and the high-frequency angle measuring chip is connected with the angle encoder and carry out information interaction; a first matching resistor R1 is arranged between the angle encoder and the high-frequency angle measuring chip, and a second matching resistor R2 is arranged between the encoder slave station chip and the alternating current servo driver. The utility model discloses can avoid systematic error to the influence of angle feedback information, and then improve encoder measuring result's accuracy.
Description
Technical Field
The utility model relates to a servo control field, concretely relates to revolving stage/swing platform control system with front end compensation mechanism.
Background
In the system control of the rotary table/swing table, the encoder is usually installed at the shaft end of the mechanical table body to provide angle feedback information for the system control, however, because the mechanical structure of the table body has certain installation errors and system errors in the machining and installation processes, when in use, the errors can affect the angle value measured by the encoder, so that the angle value deviates from the true value, and the accuracy of the measurement result of the encoder is poor.
These errors are also reflected in the angular feedback information if the encoder angle is directly introduced into the drive, and although the offset of such errors is slight, it will cause the accuracy of the turntable/wobble plate position and velocity rings to be degraded and the performance to be used to be poor.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a revolving stage/sways platform control system with front end compensation mechanism can avoid systematic error to angle feedback information's influence, and then improves encoder measuring result's accuracy, improves revolving stage/sways the precision and the performance that platform position ring and speed encircle.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a rotary table/swing table control system with a front-end compensation mechanism comprises an angle encoder, an alternating current servo driver and an alternating current servo motor which are sequentially connected, wherein the angle encoder and the alternating current servo motor are arranged in the same shaft system, and the front-end compensation mechanism is arranged between the angle encoder and the alternating current servo driver;
the front-end compensation mechanism comprises a high-frequency angle measuring chip, a central control chip and an encoder slave station chip, wherein the high-frequency angle measuring chip and the encoder slave station chip are connected with the central control chip and carry out information interaction, and the high-frequency angle measuring chip is connected with the angle encoder and carries out information interaction;
a first matching resistor R1 is arranged between the angle encoder and the high-frequency angle measuring chip, and a second matching resistor R2 is arranged between the encoder slave station chip and the alternating current servo driver.
Further, the encoder is connected with the alternating current servo driver from the station chip through a clock cable and a data cable.
Furthermore, a first filter capacitor C1, a second filter capacitor C2, a third filter capacitor C3 and a fourth filter capacitor C4 are arranged on the high-frequency goniometer chip, wherein the first filter capacitor C1 and the second filter capacitor C2 are connected in parallel, and the third filter capacitor C3 and the fourth filter capacitor C4 are connected in parallel.
Furthermore, a ninth filter capacitor C9, a tenth filter capacitor C10, an eleventh filter capacitor C11 and a twelfth filter capacitor C12 are arranged between the high-frequency angle measuring chip and the central control chip, wherein the ninth filter capacitor C9 and the tenth filter capacitor C10 are connected in parallel, and the eleventh filter capacitor C11 and the twelfth filter capacitor C12 are connected in parallel.
Further, a thirteenth filter capacitor C13, a fourteenth filter capacitor C14, a fifteenth filter capacitor C15 and a sixteenth filter capacitor C16 are arranged between the slave station chip and the central control chip of the encoder, wherein the thirteenth filter capacitor C13 and the fourteenth filter capacitor C14 are connected in parallel, and the fifteenth filter capacitor C15 and the sixteenth filter capacitor C16 are connected in parallel.
Furthermore, a fifth filter capacitor C5 and a sixth filter capacitor C6 which are connected in parallel are arranged on a pin 15 and a pin 16 of the slave station chip of the encoder.
Furthermore, a seventh filter capacitor C7 and an eighth filter capacitor C8 which are connected in parallel with each other are arranged on the pin 9 and the pin 110 of the slave station chip of the encoder.
Furthermore, the high-frequency angle measuring chip and the encoder slave station chip are connected with a power supply.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses in have front end compensation mechanism's revolving stage/swing platform control system, including setting up the front end compensation mechanism between angle encoder and the interchange servo driver, front end compensation mechanism includes the high frequency angle measurement chip, the central control chip, encoder slave station chip, the high frequency angle measurement chip, encoder slave station chip all with the central control chip, connect and carry out the information interaction, the high frequency angle measurement chip is connected with angle encoder and carries out the information interaction;
the encoder slave station chip converts the RS-422 level signal into TT L level and transmits the TT L level to the central control chip, the clock frequency is still 2.5MHz, the central control chip generates data signal matched with 2.5MHz clock signal, after filtering, the data signal is transmitted to the alternating current servo driver by the encoder slave station chip, the angle simulation closed loop function is completed, the level signal can be ensured to be stable and reliable in the communication process, the anti-interference capability is strong, no data error and loss exist, the continuity of servo equipment control is ensured, the influence of system error on angle feedback information can be effectively avoided, the accuracy of the encoder measurement result is further improved, and the precision and the use performance of a rotary table/swing table position loop and a speed loop are improved.
Drawings
Fig. 1 is a block diagram of a turntable/swing table control system with a front end compensation mechanism according to an embodiment of the present invention;
fig. 2 is a circuit diagram of the front end compensation mechanism according to the embodiment of the present invention.
In the figure: the system comprises an angle encoder 1, an alternating current servo driver 2, an alternating current servo motor 3, a front end compensation mechanism 4, a high-frequency angle measurement chip 5, a central control chip 6, an encoder slave station chip 7 and a power supply 8.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the utility model provides a revolving stage/wobble plate control system with front end compensation mechanism, including angle encoder 1, the servo driver of interchange 2 and the servo motor of interchange 3 that connects in order, angle encoder 1 and the servo motor of interchange 3 are installed in same shafting, be provided with front end compensation mechanism 4 between angle encoder 1 and the servo driver of interchange 2.
Referring to fig. 2, the front end compensation mechanism 4 comprises a high-frequency angle measuring chip 5, a central control chip 6, an encoder slave station chip 7 and a power supply 8, wherein the high-frequency angle measuring chip 5 and the encoder slave station chip 7 are connected with the central control chip 6 and perform information interaction, the high-frequency angle measuring chip 5 is connected with the angle encoder 1 and performs information interaction, the high-frequency angle measuring chip 5 and the encoder slave station chip 7 are connected with the power supply 8, and the encoder slave station chip 7 is connected with the alternating current servo driver 2 and performs information interaction.
Wherein, front end compensation mechanism 4 includes that the model of high frequency angle measurement chip 5, central control chip 6, encoder slave station chip 7 is MAX3466, EP4CE15F17C 8L and ADM2682 respectively, is current market chip, can realize the embodiment of the utility model provides a required corresponding function, and be prior art, the software function of chip is not the utility model discloses a protection range, the utility model discloses only protect the relation of connection and the position relation between the entity part.
A first matching resistor R1 is arranged between the angle encoder 1 and the high-frequency angle measuring chip 5, a first filter capacitor C1 and a second filter capacitor C2 which are mutually connected in parallel are arranged on a pin 15 and a pin 16 of the high-frequency angle measuring chip 5, and a third filter capacitor C3 and a fourth filter capacitor C4 which are mutually connected in parallel are arranged on a pin 9 and a pin 10 of the high-frequency angle measuring chip 5; a ninth filter capacitor C9, a tenth filter capacitor C10, an eleventh filter capacitor C11 and a twelfth filter capacitor C12 are arranged between the high-frequency angle measuring chip 5 and the central control chip 6, wherein the ninth filter capacitor C9 and the tenth filter capacitor C10 are connected in parallel, and the eleventh filter capacitor C11 and the twelfth filter capacitor C12 are connected in parallel.
When the angle encoder is used, the central control chip 6 sends 10MHz TT L clock level to the pin 4 of the high-frequency angle measuring chip 5, the high-frequency angle measuring chip 5 filters signals through the ninth filter capacitor C9 and the tenth filter capacitor C10 in the receiving process to eliminate high-frequency interference in a line, then the TT L level is converted into RS-422 level, and the RS-422 level is transmitted to the angle encoder 1 through the third filter capacitor C3 and the fourth filter capacitor C4.
After the angle encoder 1 receives a 10MHz high-frequency clock signal, angle value data is transmitted to a first matching resistor R1 at a frequency of 10MHz according to an RS-422 level, the first matching resistor R1 transmits the signal to a pin 13 and a pin 14 of a high-frequency angle measuring chip 5, the high-frequency angle measuring chip 5 performs advanced filtering on the signal through a first filter capacitor C1 and a second filter capacitor C2 in the receiving process, then converts the RS-422 signal into a TT L level, and feeds the TT L level back to the central control chip 6 after filtering through an eleventh filter capacitor C11 and a twelfth filter capacitor C12, so that the high-frequency obtaining function of the angle value of the whole encoder is completed.
The high-frequency angle measurement chip 5 can effectively complete the conversion from the TT L level to the RS-422 level, the function of reading the angle of the angle encoder 1 at high frequency is achieved, the central control chip 6 completes the generation of 10MHz clock pulses, the verification of the angle value, the optimization compensation and other processing, and the encoder inputs the angle value to the alternating current servo driver 2 according to the time sequence from the station chip 7, so that the feedback of the angle is achieved.
A second matching resistor R2 is arranged between the AC servo driver 2 and the encoder slave station chip 7, the AC servo driver 2 and the encoder slave station chip 7 are connected through a clock cable and a data cable, a fifth filter capacitor C5 and a sixth filter capacitor C6 which are mutually connected in parallel are arranged on a pin 15 and a pin 16 of the encoder slave station chip 7, and a seventh filter capacitor C7 and an eighth filter capacitor C8 which are mutually connected in parallel are arranged on a pin 9 and a pin 10 of the encoder slave station chip 7.
A thirteenth filter capacitor C13, a fourteenth filter capacitor C14, a fifteenth filter capacitor C15 and a sixteenth filter capacitor C16 are arranged between the slave station chip 7 and the central control chip 6 of the encoder, wherein the thirteenth filter capacitor C13 and the fourteenth filter capacitor C14 are connected in parallel, and the fifteenth filter capacitor C15 and the sixteenth filter capacitor C16 are connected in parallel.
The AC servo driver 2 firstly sends a clock signal of RS-422 level of 2.5MHz to a second matching resistor R2, the second matching resistor R2 then transmits the signal to pins 13 and 14 of the encoder slave station chip 7, the encoder slave station chip 7 completes the filtering function of the signal through a fifth filtering capacitor C5 and a sixth filtering capacitor C6, the encoder slave station chip 7 converts the RS-422 level signal into TT L level and transmits the TT L level to a pin 29 of a central control chip 6, the clock frequency is still 2.5MHz, the central control chip 6 generates a data signal matched with the 2.5MHz clock signal, and the data signal is transmitted to the AC servo driver 2 through the encoder slave station chip 7 after being filtered, so that the angle closed-loop simulation function is completed, the level signal can be ensured to be stable and reliable in the communication process, the anti-interference capability is strong, no data error or loss exists, and the control continuity of the servo equipment is ensured.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (8)
1. The utility model provides a revolving stage/rocking platform control system with front end compensation mechanism, includes angle encoder (1), interchange servo driver (2) and interchange servo motor (3) that connect in order, install in same shafting angle encoder (1) and interchange servo motor (3), its characterized in that: a front-end compensation mechanism (4) is arranged between the angle encoder (1) and the alternating current servo driver (2);
the front-end compensation mechanism (4) comprises a high-frequency angle measuring chip (5), a central control chip (6) and an encoder slave station chip (7), wherein the high-frequency angle measuring chip (5) and the encoder slave station chip (7) are connected with the central control chip (6) and carry out information interaction, and the high-frequency angle measuring chip (5) is connected with the angle encoder (1) and carry out information interaction;
a first matching resistor R1 is arranged between the angle encoder (1) and the high-frequency angle measuring chip (5), and a second matching resistor R2 is arranged between the encoder slave station chip (7) and the alternating current servo driver (2).
2. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: the encoder is connected with the alternating current servo driver (2) from the station chip (7) through a clock cable and a data cable.
3. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: the high-frequency angle measurement chip (5) is provided with a first filter capacitor C1, a second filter capacitor C2, a third filter capacitor C3 and a fourth filter capacitor C4, wherein the first filter capacitor C1 and the second filter capacitor C2 are connected in parallel, and the third filter capacitor C3 and the fourth filter capacitor C4 are connected in parallel.
4. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: a ninth filter capacitor C9, a tenth filter capacitor C10, an eleventh filter capacitor C11 and a twelfth filter capacitor C12 are arranged between the high-frequency angle measuring chip (5) and the central control chip (6), wherein the ninth filter capacitor C9 and the tenth filter capacitor C10 are connected in parallel, and the eleventh filter capacitor C11 and the twelfth filter capacitor C12 are connected in parallel.
5. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: a thirteenth filter capacitor C13, a fourteenth filter capacitor C14, a fifteenth filter capacitor C15 and a sixteenth filter capacitor C16 are arranged between the slave station chip (7) and the central control chip (6) of the encoder, wherein the thirteenth filter capacitor C13 and the fourteenth filter capacitor C14 are connected in parallel, and the fifteenth filter capacitor C15 and the sixteenth filter capacitor C16 are connected in parallel.
6. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: and a fifth filter capacitor C5 and a sixth filter capacitor C6 which are mutually connected in parallel are arranged on a pin 15 and a pin 16 of the slave station chip (7) of the encoder.
7. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: and a seventh filter capacitor C7 and an eighth filter capacitor C8 which are mutually connected in parallel are arranged on a pin 9 and a pin 110 of the slave station chip (7) of the encoder.
8. A turntable/wobble plate control system with front end compensation mechanism as claimed in claim 1, wherein: the high-frequency angle measuring chip (5) and the encoder slave station chip (7) are both connected with a power supply (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077130.6U CN210983102U (en) | 2020-01-14 | 2020-01-14 | Turntable/swing table control system with front end compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077130.6U CN210983102U (en) | 2020-01-14 | 2020-01-14 | Turntable/swing table control system with front end compensation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210983102U true CN210983102U (en) | 2020-07-10 |
Family
ID=71460332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077130.6U Active CN210983102U (en) | 2020-01-14 | 2020-01-14 | Turntable/swing table control system with front end compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210983102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306112A (en) * | 2020-10-09 | 2021-02-02 | 武汉华之洋科技有限公司 | Rotary table/swing table with high-frequency angle measuring mechanism and angle measuring method |
-
2020
- 2020-01-14 CN CN202020077130.6U patent/CN210983102U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306112A (en) * | 2020-10-09 | 2021-02-02 | 武汉华之洋科技有限公司 | Rotary table/swing table with high-frequency angle measuring mechanism and angle measuring method |
| CN112306112B (en) * | 2020-10-09 | 2023-11-24 | 武汉华之洋科技有限公司 | Turntable/swinging table with high-frequency angle measuring mechanism and angle measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101829823B (en) | Electrode wire diameter on-line automatic detection and compensation system during linear cutting | |
| CN210983102U (en) | Turntable/swing table control system with front end compensation mechanism | |
| CN105353169A (en) | Novel current-meter verification pulley | |
| CN109406141A (en) | A kind of harmonic speed reducer precision measurer hardware system | |
| CN104458762B (en) | Digital optical fiber sensor-based detection method for quality of ABS gear ring | |
| CN104316077B (en) | Information real-time measure system for table-top angle position of angular vibration table | |
| CN201780305U (en) | High-speed motor speed measuring circuit | |
| CN109990823A (en) | For detecting the detection device and detection method of photoelectric encoder precision | |
| CN215218056U (en) | RV reduction gear capability test device based on arm | |
| CN100584278C (en) | Device for testing the compatibility of front end amplification channel of ultrasonic diagnostic device | |
| CN209477731U (en) | A kind of real-time acquisition system of XY worktable absolute optical gate signal | |
| CN112857795A (en) | Device and method for testing transmission error of speed reducer | |
| CN104536381B (en) | A kind of system and method for being used to measure multi-shaft motion control system profile errors | |
| CN204902783U (en) | Real -time measuring equipment based on structured light | |
| CN108613684B (en) | Method for testing angle precision of fixed base frame of three-floating platform system | |
| CN201903416U (en) | Torque and rotation speed processing circuit | |
| CN210884044U (en) | Detection apparatus for transmission system speed homogeneity | |
| CN112306112B (en) | Turntable/swinging table with high-frequency angle measuring mechanism and angle measuring method | |
| CN204807577U (en) | Novel current meter examination car | |
| CN201289368Y (en) | Apparatus for measuring automobile vehicle body and chassis data | |
| CN201997822U (en) | On-line automatic wire-electrode cutting wire electrode diameter detection and compensation system | |
| CN110426058B (en) | Laser gyroscope scale factor testing system and testing method | |
| CN210742748U (en) | Triaxial revolving stage containing angle compensation device | |
| CN212275059U (en) | Six-dimensional vibration signal acquisition system | |
| CN107017886B (en) | Four-reading-head digital signal decoder of steel ring encoder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |