CN103019230A - Digital type alternating current servo system testing system - Google Patents
Digital type alternating current servo system testing system Download PDFInfo
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- CN103019230A CN103019230A CN2012105433147A CN201210543314A CN103019230A CN 103019230 A CN103019230 A CN 103019230A CN 2012105433147 A CN2012105433147 A CN 2012105433147A CN 201210543314 A CN201210543314 A CN 201210543314A CN 103019230 A CN103019230 A CN 103019230A
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Abstract
A digital type alternating current servo system testing system comprises a computer (1), a printer (2) and a cable (3) which is used for connecting the computer (1) and the printer (2). The system is characterized by also comprising a mixing control printed circuit board (4) and a signal isolating and conditioning card (5). The computer (1) inputs predefined or custom testing instructions, suitable control instructions are generated in accordance with rules, control instructions are transmitted to the mixing control printed circuit board (4) through a universal serial bus (USB) interface, the mixing control printed circuit board (4) buffs the control instructions, buffed control instructions are transmitted to a Controller Area Network (CAN) network, the mixing control printed circuit board (4) is used for achieving the receiving and the transmitting of a CAN bus, the Analog to Digital (A/D) conversion of simulated signals and the retransmission of servo testing instruments, and the signal isolating and conditioning card (5) is used for achieving the electric isolation, the isolation of analog quantity and the amplifying function between the mixing control printed circuit board (4) and the tested servo system control card. The system has the advantages of being high in accuracy, real time and small in volume.
Description
Technical field
The present invention relates to the test of digital AC servomechanism, be specifically related to a kind of test macro of digital AC servomechanism.
Background technology
The digital AC servomechanism is a kind of system with functions such as control, communications.The digital AC servomechanism adopts CAN bus communication and digital quantity analog quantity to mix the way of output, and require that the control signal flatness is good, precision is high, real-time, automatically to finish the automaticity of high precision measurement and data analysis record high.These have brought new technical barrier and challenge for the servo-actuated test macro development of digital AC.Whether it satisfies request for utilization, needs to adopt test macro to carry out simulation test.For example, require in accordance with regulations to send position control master order to the digital AC servomechanism, control it by standardized operation, require the technical indicator of regulation to carry out real-time testing according to digital servomechanism manufacturing and acceptance specification simultaneously, check its performance whether to reach requirement, thereby judge whether it is qualified.Existing a kind of digital AC servomechanism detector, mainly formed by single-chip microcomputer parallel interface+DOS platform notebook, it can simulate communication and the main signal that makes of output of related digital AC servomechanism, advantage is simple compactness, shortcoming is function singleness, can not carry out the performance test of digital servomechanism.The digital servomechanism detector of existing another kind, mainly by the multicomputer serial communication, sine mechanism forms, test function is realized by stand-alone computer control, the DOS platform is programmed, and has realized the synchronous coordination of sine mechanism and test, possesses simple automatic data processing function; Advantage is that automaticity is higher, and function is comparatively perfect; Shortcoming is to form complexity, can only realize analog quantity control and test.
Summary of the invention
The technical problem to be solved in the present invention provides the test macro of the digital AC servomechanism that a kind of precision is high, real-time, volume is little, integrated level is high.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
The test macro of digital AC servomechanism of the present invention comprises computing machine, printer and is connected connecting the cable of computing machine and printer, it is characterized in that; Also comprise and mix Control card and signal isolation and conditioning card;
Predetermined or the self-defining test instruction of described computer input generates suitable steering order according to the rules, by USB interface at a high speed, this steering order is delivered in the mixing Control card; Then described mixing Control card will continue to send on the CAN network through the steering order of buffering this steering order buffering;
Described mixing Control card is used for realizing the A/D conversion of the transmitting-receiving of CAN bus, simulating signal, the forwarding of servo-actuated test command;
The isolation of described signal and conditioning card are used for realizing mixing the electrical isolation between Control card and the tested servomechanism control card, and the isolation of analog quantity and enlarging function;
Described mixing Control card is by USB, USBCY68013A, and dual port RAM, RS485 interface, CAN bus controller C8051F040, master control logic, CAN interface, insulating power supply and power interface form;
Described USBCY68013A left end is connected with USB, and right-hand member is connected with dual port RAM, and the lower end is connected with the master control logic;
Described dual port RAM lower end is connected with CAN bus controller C8051F040;
Described CAN bus controller C8051F040 left end is connected with the master control logic, and right-hand member is connected with the CAN interface with the RS485 interface respectively;
Described CAN interface lower end is connected with insulating power supply;
Described insulating power supply is connected with USB with power interface respectively;
Described mixing Control card adopts the dual port RAM buffer technology that the steering order that described computing machine is delivered to is cushioned;
Described mixing Control card adopts the USB interface integrated circuit board to realize the A/D conversion of the transmitting-receiving of CAN bus, simulating signal, the forwarding of servo-actuated test command;
Described signal isolation and conditioning card adopt high precision isolation operational amplifier ISO124 as main isolating device;
Described computing machine is portable computer.
Compared with prior art, the present invention has following beneficial effect;
1, this test macro adopts and mixes Control card and signal isolation and conditioning card, realizes that the signal smoothing model is advanced, digital quantity analog acquisition precision is high, real-time.
2, this test macro adopts portable computer, and database function is powerful, most according to large capacity storage, automatically calculate, volume is little, integrated level is high.
3, this servomechanism test macro can be according to user's setting, provide the location, sine, constant speed of standard, the debug signal such as reciprocal, simultaneously can tracking and testing and the curves such as display position is given, angle feedback, position angle, speed, error, can carry out off-line data processing, provide system location, constant speed, sinusoidal tracking precision, turn the index test results such as performance, printing test form.
Description of drawings
Fig. 1 is the test system structure synoptic diagram of digital AC servomechanism of the present invention
Fig. 2 is for mixing the principle composition diagram of Control card
Among the figure, 1 is computing machine, 2 is printer, 3 is cable, 4 for mixing Control card, 5 are signal isolation and conditioning card, and 4-1 is that USB, 4-2 are USBCY68013A, and 4-3 is that dual port RAM, 4-4 are that RS485 interface, 4-5 are that CAN bus controller C8051F040,4-6 are that master control logic, 4-7 are that CAN interface, 4-8 are that insulating power supply, 4-9 are power interface.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Referring to shown in Figure 1, the test macro of digital AC servomechanism of the present invention comprises computing machine 1, printer 2 and is connected connecting the cable 3 of computing machine 1 and printer 2, it is characterized in that; Also comprise and mix Control card 4, signal isolation and conditioning card 5;
When the test macro of digital AC servomechanism of the present invention is worked, predetermined or the self-defining test instruction of described computing machine 1 input, generate according to the rules suitable steering order, by USB interface at a high speed, this steering order is delivered in the mixing Control card 4; Then 4 pairs of this steering order bufferings of described mixing Control card will continue to send on the CAN network through the steering order of buffering;
Described mixing Control card 4 is used for realizing the A/D conversion of the transmitting-receiving of CAN bus, simulating signal, the forwarding of servo-actuated test command;
The isolation of described signal and conditioning card 5 are used for realizing mixing the electrical isolation between Control card 4 and the tested servomechanism control card, and the isolation of analog quantity and enlarging function; The simulating signal of digital AC servomechanism output has azimuthal error, height error, orientation speed, high low velocity, azimuthal current, high low current etc.These signals must through isolation amplify and conditioning after, could realize and the electrical isolation of tested servomechanism, thereby eliminate the interference of test macro to system under test (SUT).Be converted to digital quantity through the simulating signal that isolation is amplified as the input of digital data acquisition card and after its collection, be used for data and process.In order to guarantee the analog quantity measuring accuracy, analog quantity isolation and amplifying circuit must satisfy high-precision requirement.The performances such as its linearity, drift.
Referring to shown in Figure 2, described mixing Control card 4 is by USB4-1, USBCY68013A4-2, and dual port RAM 4-3, RS485 interface 4-4, CAN bus controller C8051F0404-5, master control logic 4-6, CAN interface 4-7, insulating power supply 4-8 and power interface 4-9 form;
Described USBCY68013A4-2 left end is connected with USB4-1, listen to from the test control command of pocket computer and control data with specific port, right-hand member is connected with dual port RAM 4-3, to order or data are pressed in the dual port RAM buffering, the lower end is connected with master control logic 4-6, to order with data and be sent to the master control logic, realize look-at-me management and logical combination;
Described dual port RAM 4-3 lower end is connected with CAN bus controller C8051F0404-5, will order or data with outside interrupt mode notice C8051F0404-5;
Described CAN bus controller C8051F0404-5 left end is connected with master control logic 4-6, obtains control and data message, thereby finishes necessary operation Control ﹠ data acquisition; Right-hand member is connected with CAN interface 4-7 with RS485 interface 4-4 respectively, realizes receiving and send control and data message in the mode of CAN bus data and synchronizing signal;
Described CAN interface 4-7 lower end is connected with insulating power supply 4-8, and insulating power supply 4-8 is connected with USB4-1 with power interface 4-9 respectively, prevents the noise between CAN interface and power interface and USB interface;
Described mixing Control card 4 adopts two MCU cooperation modes, satisfies the transfer requirement of servomechanism mass data, has guaranteed data transfer efficient;
Described mixing Control card 4 adopts the dual port RAM buffer technology that the steering order that described computing machine 1 is delivered to is cushioned, and dual port RAM can be used for improving the throughput of RAM as the shared resource of 2 MCU, realizes two MCU storage data sharings;
Described mixing Control card 4 adopts the USB interface integrated circuit boards to realize the A/D conversion of the transmitting-receiving of CAN buses, simulating signal, and the forwarding of servo-actuated test command adopts the advantage of USB interface to be that standard is unified, easily expansion and transmission speed are fast etc.;
The isolation of described signal and conditioning card 5 adopt high precision isolation operational amplifier ISO124 as main isolating device, are used for realizing mixing the electrical isolation between Control card 4 and the tested servomechanism control card;
Described computing machine 1 adopts portable computer, and it is powerful to make the test macro of digital AC servomechanism of the present invention have a database function, most according to large capacity storage, automatically calculate, little, the integrated level advantages of higher of volume.
Claims (8)
1. the test macro of a digital AC servomechanism comprises computing machine (1), printer (2) and is connected connecting the cable (3) of computing machine (1) and printer (2), it is characterized in that; Also comprise and mix Control card (4) and signal isolation and conditioning card (5);
Predetermined or the self-defining test instruction of described computing machine (1) input generates suitable steering order according to the rules, by USB interface at a high speed, this steering order is delivered in the mixing Control card (4); Described mixing Control card (4) then will continue to send on the CAN network through the steering order of buffering this steering order buffering;
Described mixing Control card (4) is used for realizing the A/D conversion of the transmitting-receiving of CAN bus, simulating signal, the forwarding of servo-actuated test command;
The isolation of described signal and conditioning card (5) are used for realizing mixing the electrical isolation between Control card (4) and the tested servomechanism control card, and the isolation of analog quantity and enlarging function.
2. the test macro of digital AC servomechanism according to claim 1, it is characterized in that: described mixing Control card (4) is by USB(4-1), USBCY68013A(4-2), dual port RAM (4-3), RS485 interface (4-4), CAN bus controller C8051F040(4-5), master control logic (4-6), CAN interface (4-7), insulating power supply (4-8) and power interface (4-9) form;
Described USBCY68013A(4-2) left end and USB(4-1) be connected, right-hand member is connected with dual port RAM (4-3), and the lower end is connected with master control logic (4-6);
Described dual port RAM (4-3) lower end and CAN bus controller C8051F040(4-5) be connected;
Described CAN bus controller C8051F040(4-5) left end is connected with master control logic (4-6), and right-hand member is connected 4-7 with RS485 interface (4-4) respectively with the CAN interface) be connected;
Described CAN interface (4-7) lower end is connected with insulating power supply (4-8);
Described insulating power supply (4-8) is connected with USB(4-1 with power interface (4-9) respectively and is connected.
3. the test macro of digital AC servomechanism according to claim 1 is characterized in that: described mixing Control card (4) adopts the dual port RAM buffer technology that the steering order that described computing machine (1) is delivered to is cushioned.
4. the test macro of digital AC servomechanism according to claim 1 is characterized in that: the A/D conversion of the transmitting-receiving of described mixing Control card (4) employing USB interface integrated circuit board realization CAN bus, simulating signal, the forwarding of servo-actuated test command.
5. the test macro of digital AC servomechanism according to claim 1 is characterized in that: described signal isolation and conditioning card (5) adopt high precision isolation operational amplifier ISO124 as main isolating device.
6. the test macro of each described digital AC servomechanism in 4 according to claim 1, it is characterized in that: described signal isolation and conditioning card (5) adopt high precision isolation operational amplifier ISO124 as main isolating device.
7. the test macro of each described digital AC servomechanism in 5 according to claim 1, it is characterized in that: described signal isolation and conditioning card (5) adopt high precision isolation operational amplifier ISO124 as main isolating device.
8. the test macro of digital AC servomechanism according to claim 7, it is characterized in that: described computing machine (1) is portable computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105433147A CN103019230A (en) | 2012-12-16 | 2012-12-16 | Digital type alternating current servo system testing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105433147A CN103019230A (en) | 2012-12-16 | 2012-12-16 | Digital type alternating current servo system testing system |
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| CN103019230A true CN103019230A (en) | 2013-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143931A (en) * | 2018-08-24 | 2019-01-04 | 江西洪都航空工业集团有限责任公司 | A kind of integration apparatus having emission control and test function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075248Y (en) * | 2007-08-27 | 2008-06-18 | 中国石油天然气集团公司 | USB interface real-time data acquisition controller |
| CN102098038A (en) * | 2010-11-23 | 2011-06-15 | 中国人民解放军63961部队 | Signal conditioning card |
| CN202003226U (en) * | 2011-01-13 | 2011-10-05 | 北京泛华恒兴科技有限公司 | Electrical measurement and control system with signal conditioning function |
| CN202166434U (en) * | 2011-06-29 | 2012-03-14 | 上海磁浮交通发展有限公司 | Vehicle-mounted data acquisition system for maintaining track line-shape |
-
2012
- 2012-12-16 CN CN2012105433147A patent/CN103019230A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075248Y (en) * | 2007-08-27 | 2008-06-18 | 中国石油天然气集团公司 | USB interface real-time data acquisition controller |
| CN102098038A (en) * | 2010-11-23 | 2011-06-15 | 中国人民解放军63961部队 | Signal conditioning card |
| CN202003226U (en) * | 2011-01-13 | 2011-10-05 | 北京泛华恒兴科技有限公司 | Electrical measurement and control system with signal conditioning function |
| CN202166434U (en) * | 2011-06-29 | 2012-03-14 | 上海磁浮交通发展有限公司 | Vehicle-mounted data acquisition system for maintaining track line-shape |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143931A (en) * | 2018-08-24 | 2019-01-04 | 江西洪都航空工业集团有限责任公司 | A kind of integration apparatus having emission control and test function |
| CN109143931B (en) * | 2018-08-24 | 2021-08-17 | 江西洪都航空工业集团有限责任公司 | Integrated equipment with emission control and test functions |
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Application publication date: 20130403 |