CN106679698A - Absolute-value-encoder simulation system based on synchronized serial interface signal - Google Patents
Absolute-value-encoder simulation system based on synchronized serial interface signal Download PDFInfo
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- CN106679698A CN106679698A CN201710041757.9A CN201710041757A CN106679698A CN 106679698 A CN106679698 A CN 106679698A CN 201710041757 A CN201710041757 A CN 201710041757A CN 106679698 A CN106679698 A CN 106679698A
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- 238000004088 simulation Methods 0.000 title claims abstract description 36
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- 238000005259 measurement Methods 0.000 description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2497—Absolute encoders
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Abstract
The invention discloses an absolute-value-encoder simulation system based on a synchronized serial interface signal. The absolute-value-encoder simulation system comprises a setting terminal and an absolute-value-encoder simulation board card. The setting terminal searches the absolute-value-encoder simulation board card through Bluetooth and displays the absolute-value-encoder simulation board card in a device list; a user sets SSI signal parameters through the setting terminal, and sends the SSI signal parameters to the absolute-value-encoder simulation board card; the absolute-value-encoder simulation board card receives the parameters sent by the setting terminal, and an SSI signal is generated according to the parameters and output by a serial interface on the board card. The system simulates an absolute value encoder to output the reliable SSI signal, the SSI signal is used for solving the problem that the fault of an SSI signal collection device is difficult to be detected in actual production, and the detection cost of the SSI signal collection device is reduced.
Description
Technical field
The present invention relates to a kind of simulation system, more specifically a kind of absolute value based on synchronous serial interface signal is compiled
Code device simulation system.
Background technology
Synchronous serial signaling interface in current commercial measurement control field (Synchronized Serial Interface,
SSI) because its anti-interference is good, long transmission distance the advantages of had a wide range of applications in all kinds of measurement apparatus, such as valve
Aperture, display of hydraulic jack stroke etc..The collection of SSI signals is increasingly becoming important link in commercial Application, and SSI signals
The reliability of harvester is then to ensure the key that SSI signals are shown by accurate acquisition.
The collection source of current SSI signal pickup assemblies relies primarily on all kinds of SSI signals absolute value encoders, such as rotary exhausted
To value encoder and displacement-type absolute value encoder.In SSI signal acquisition process, often there is the display of SSI signal acquisitions and point occur
The problems such as thorn, error code, saltus step, and rely on the SSI signal absolute value encoders of control to be manually difficult to accurately export regular
SSI signals, so as to the problem to SSI signal pickup assemblies is reappeared and is diagnosed.
The content of the invention
Deficiency it is an object of the invention to be directed to the reproduction of synchronous serial signal pickup assembly failure and diagnostic techniques, there is provided
A kind of absolute value encoder simulation system based on synchronous serial interface.
The purpose of the present invention is realized by such technical scheme：It is a kind of based on the absolute of synchronous serial interface signal
The value coder models system system is including setting terminal and absolute value encoder simulation board；Terminal is set and passes through bluetooth discovery
Absolute value encoder simulates board, and including in list of devices；User by setting terminal profile SSI signal parameters,
And send these parameters to absolute value encoder simulation board；The clamping of absolute value encoder analog board is received and sets what terminal sent
Parameter, generates SSI signals, and export SSI signals by the serial line interface on board according to these parameters.
Further, the SSI signal parameters include channel position, bit wide, minimum value, maximum and increment.
Further, the connection shape that absolute value encoder of the terminal simultaneous display in list of devices simulates board is set
State, MAC Address and Bluetooth signal RSSI intensity levels.
Further, the absolute value encoder simulation board includes controller, bluetooth module, power module, power supply mould
Block indicator lamp, PROM memory modules, PROM program storages indicator lamp, crystal oscillator module, external timing signal acquisition module and SSI letter
Number output module；Wherein bluetooth module, power module, PROM memory modules, crystal oscillator module, external timing signal acquisition module,
SSI signal output modules are connected with controller；Power module indicator lamp is connected with power input；PROM program storage indicator lamps
It is connected with PROM memory modules.
Further, initial work is first completed after electricity on the controller, subsequently into wait state, waits outside
The input signal of clock signal and setting terminal；User is setting the parameter of the terminal SSI signals to be exported, and parameter is sent out
It is sent to the bluetooth module that absolute value encoder simulates board；Send after SSI signal parameters and access external timing signal, control
Device enters SSI signal output states, first gathers the SSI signal parameters that bluetooth module is received, and then generates SSI signals and passes through
SSI signal output modules are exported；User sends new SSI signal parameters again, and controller will be again new from bluetooth module collection
SSI signal parameters and new SSI signals are exported by SSI signal output modules.
Further, the controller is based on FPGA, uses 8MHz crystal oscillators, core operating voltage 1.2V, I/O interface work
Voltage is 2.5V and 3.3V；Bluetooth module chip is CC2541, and its serial communication speed is 9600 baud rates；SSI signal outputs
The level signal conversion chip that module is used is MAX490；Power module gives other all module for power supply, by level conversion
It is divided into the tunnel supply line of 1.2V, 2.5V, 3.3V tri- after chip；Wherein 1.2V supply lines power to fpga chip core,
2.5V circuits are powered to part FPGA I/O interfaces, and 3.3V circuits are powered to part FPGA I/O interfaces and PROM memory modules；
PROM program storages indicator lamp shows the working condition of PROM memory modules；Power module indicator lamp shows the work of power module
State；The system also includes shell, and there are 2 interfaces the side of shell, is respectively DB9 single channel SSI signal output interfaces and DB25
Four road SSI signal output interfaces；Opposite side has 4 interfaces, is respectively power module indicator lamp watch window, power switch, electricity
Source access aperture and reset switch；DB9 single channel SSI signal output interfaces are used for the SSI signals to outside output single channel；The tunnels of DB25 tetra-
SSI signal output interfaces are used for four road SSI signals of outside output；Power module indicator lamp watch window shows the indicator lamp
State；Power switch control absolute value encoder simulates cut-offfing for board；Plant-grid connection hole and outside 5V1A dc source adaptations
Device is connected；The reset operation of reset switch control absolute value encoder simulation board.
Further, the setting terminal is made up of bluetooth equipment search module and signal parameter setup module；The indigo plant
Tooth equipment search module is searched for and shows the bluetooth equipment of surrounding, sets up the connection with selected bluetooth equipment；Signal parameter is set
Module shows the RSSI intensity with the connection status, MAC Address and Bluetooth signal of selected bluetooth equipment, receives user input
SSI signal parameters are simultaneously sent these parameters on absolute value encoder simulation board.
The beneficial effects of the invention are as follows：Present system can be configured flexibly different SSI signals ginsengs by setting terminal
Number, absolute value encoder simulation board can exactly export reliable SSI signals, solve current absolute value encoder and be difficult to
Manually adjust the problem of accurate output SSI signals.By regularly exporting accurate SSI signals, can effectively answer
The problems such as spine, error code, saltus step for occurring in existing SSI signal acquisition process, so as to further diagnose SSI signal acquisitions dress
The failure put, it is ensured that the reliability of commercial measurement control.Present system supports single channel SSI signal outputs and four road SSI signals
Export simultaneously, low cost, software and hardware setting is convenient, effectively reduces the testing cost of SSI signal pickup assemblies.
Brief description of the drawings
Fig. 1 is overall structure block diagram of the invention；
Fig. 2 is the surface chart for setting terminal upper computer, and (a) is the bluetooth equipment interface around display, and (b) is parameter setting
Interface；
Fig. 3 is the hardware block diagram that absolute value encoder simulates board.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of absolute value encoder simulation system based on synchronous serial interface of the present invention, including set eventually
End upper computer software and synchronous serial interface absolute value encoder simulation board.Set what terminal upper computer software design patterns to be exported
The channel position of SSI signals, bit wide, minimum value, maximum and increment, send these parameters to synchronous serial and connect by bluetooth
On mouth absolute value encoder simulation board；The SSI sended over by bluetooth is received and gathered in synchronous serial interface analog board clamping
Signal parameter, after the SSI clock signals transmitted by outside SSI harvesters are received, generates sinusoidal according to these parameters
The SSI signals of formula output, single channel SSI signal outputs and four road SSI signal outputs are carried out by two interfaces of DB9 and DB25 respectively
To SSI signal pickup assemblies.The simulation board is using 5V1A DC adapters general on the market as adaptation input service electricity
Stream, can run steadily in the long term.
As shown in Fig. 2 described setting terminal is made up of bluetooth equipment search module and signal parameter setup module；It is described
Bluetooth equipment search module is searched for and shows the bluetooth equipment of surrounding, sets up the connection with selected bluetooth equipment；Signal parameter sets
Put module and show RSSI intensity with the connection status, MAC Address and Bluetooth signal of selected bluetooth equipment, receive user input
SSI signal parameters are simultaneously sent these parameters on absolute value encoder simulation board.
It is as follows that terminal upper computer software work process is set：
(1) terminal upper computer software initialization is set：Initialization program interface, searches for and shows the bluetooth equipment of surrounding；
(2) parameter setting is operated with transmission：Whether interface display is connected with the bluetooth equipment chosen before；User is right
Channel position, bit wide, minimum value, maximum and the increment of SSI signals to be exported, whole parameters are filled in the input field answered respectively
Input can send data to absolute value encoder simulation board after completing.
(3) parameter refresh configuration operation：When the SSI signals for needing output new, user can be upper in setting terminal
The parameter of SSI signals is re-entered in machine software, absolute value encoder analog board is again sent to after the completion of whole parameter inputs
Card.
As shown in figure 3, the synchronous serial interface absolute value encoder simulates board by controller, bluetooth module, power supply
Input and Voltage stabilizing module, power input and Voltage stabilizing module LED light, PROM memory modules, PROM program storages LED are indicated
Lamp, 8MHz crystal oscillator modules, external timing signal acquisition module, SSI signal output modules and shell are constituted；Wherein bluetooth module,
Power input and Voltage stabilizing module, PROM memory modules, 8MHz crystal oscillator modules, external timing signal acquisition module, SSI signal outputs
Module is connected with FPGA module；Power input and Voltage stabilizing module LED light are connected with power input and Voltage stabilizing module；PROM journeys
Sequence storage LED light is connected with PROM memory modules；FPGA controller, bluetooth module, power input and Voltage stabilizing module, PROM
Memory module, PROM program storages LED light, 8MHz crystal oscillator modules and external timing signal acquisition module are located in shell,
Power supply and Voltage stabilizing module LED light, SSI signal output modules are located at shell edge opening.
Controller is based on FPGA, and chip model is XC3S-4TQG144 400, uses 8MHz crystal oscillators, core operating voltage
1.2V, I/O interface operating voltage is 2.5V and 3.3V；Controller is connected with PROM memory modules, and PROM memory modules are used
Chip model is XCF04S, and capacity is 4Mbit, and the firmware program firmware program performed by storage control is opened using ISE 14.7
Hair, by jtag interface using special fever writes by the burned memory module to PROM of firmware program, controller is when upper electric
Firmware program is read and performed from PROM memory modules；Controller is connected with bluetooth module, reads from the serial ports of bluetooth module
Take the SSI signal configuration parameters that mobile phone terminal host computer is sended over, Bluetooth chip model CC2541, its serial communication speed
It is 9600 baud rates；Controller is connected with external timing signal acquisition module, reads the SSI clock signals of outside input, outside
Clock signal acquisition module is believed the two-pass DINSAR SSI clocks of outside input by protection circuit and MAX490 electrical level transferring chips
Single-ended signal number is converted to so that controller reads；Controller is connected with SSI signal output modules, after output firmware program is performed
The SSI data-signals of generation, SSI signal acquisition modules are also by protection circuit and MAX490 electrical level transferring chips by Single-end output
SSI data-signals be converted to two-pass DINSAR SSI data-signals export so as to the reading of SSI signal pickup assemblies；Controller with
8M crystal oscillator modules are connected, and 8M crystal oscillator modules provide global clock input for FPGA, drive firmware program to perform；Controller and power supply
Input is connected with Voltage stabilizing module, and power input receives the DC supply input of outside 5V1A with Voltage stabilizing module, by level conversion
It is divided into the tunnel supply line of 1.2V, 2.5V, 3.3V tri- after chip；Wherein 1.2V supply lines power to fpga chip core, 2.5V
Circuit is powered to part FPGA I/O interfaces, and 3.3V circuits are powered to part FPGA I/O interfaces and PROM memory modules, and level turns
Change the model LM2651 and LM2655 of chip；Power input and Voltage stabilizing module LED light are the pole of direct insertion emitting red light two
Pipe, shows the access state of power supply；PROM program storages LED light is direct insertion green LED, indicates PROM to deposit
Whether be stored with firmware program in storage module.
The both sides of shell are furnished with 6 interfaces altogether, and there are 2 interfaces side, and it is respectively DB9 single channel SSI signal outputs to be respectively
Interface and the road SSI signal output interfaces of DB25 tetra-；Opposite side has 4 interfaces, is respectively that power input and Voltage stabilizing module LED are indicated
Lamp watch window, power switch, plant-grid connection hole and reset switch；DB9 single channel SSI signal output interfaces are used to be exported to outside
The SSI signals of single channel；The road SSI signal output interfaces of DB25 tetra- are used for four road SSI signals of outside output；Power input and voltage stabilizing
Module LED light watch window shows the state of the LED light；Power switch controls opening for absolute value encoder board
It is disconnected；Plant-grid connection hole is connected with outside 5V1A DC power source adapters；The reset operation of reset switch control absolute value encoder.
The course of work of synchronous serial interface absolute value encoder is as follows：
(1) board initialization operation：Performed reading out firmware program since PROM memory modules after electricity on board, just
Each register in beginningization firmware program, waits outside SSI clock signals and the SSI sent from mobile phone terminal upper computer software
The input of data-signal configuration parameter；
(2) SSI data-signals configuration parameter acquisition operations：Board is gathered from mobile phone terminal host computer by low-power consumption bluetooth
The SSI data-signal configuration parameters that software sends, and by each register of these parametric distributions to firmware program, prepare defeated
Go out SSI data-signals；
(3) SSI data-signals output operation：Board is according to the SSI signal configuration parameters for collecting, the output of sinusoid ground
SSI data-signals, DB9 interfaces export the SSI signals of single channel, and DB25 interface synchronizations export four road SSI signals；
(4) refresh and simultaneously operating：Board can wait outside SSI clocks when new SSI signal configuration parameters are collected
Signal bit wide is consistent with parameter setting data bit wide.When uniform condition is reached, board will continue sinusoid according to new parameter
Ground output SSI data-signals, otherwise continue waiting for.
Claims (7)
1. a kind of absolute value encoder simulation system based on synchronous serial interface signal, it is characterised in that：The system includes setting
Put terminal and absolute value encoder simulation board；Set terminal by bluetooth discovery absolute value encoder simulate board, and by its
It is displayed in list of devices；User sends these parameters to absolute encoder by setting terminal profile SSI signal parameters
Device simulates board；The clamping of absolute value encoder analog board is received and sets the parameter that terminal sends, and SSI letters are generated according to these parameters
Number, and SSI signals are exported by the serial line interface on board.
2. the absolute value encoder simulation system based on synchronous serial interface signal according to claim 1, its feature exists
In：The SSI signal parameters include channel position, bit wide, minimum value, maximum and increment.
3. the absolute value encoder simulation system based on synchronous serial interface signal according to claim 1, its feature exists
In：Connection status, MAC Address and the bluetooth of absolute value encoder simulation board of the terminal simultaneous display in list of devices are set
Signal RSSI intensity levels.
4. the absolute value encoder simulation system based on synchronous serial interface signal according to claim 1, its feature exists
In：The absolute value encoder simulation board includes that controller, bluetooth module, power module, power module indicator lamp, PROM are deposited
Storage module, PROM program storages indicator lamp, crystal oscillator module, external timing signal acquisition module and SSI signal output modules；Wherein
Bluetooth module, power module, PROM memory modules, crystal oscillator module, external timing signal acquisition module, SSI signal output modules
It is connected with controller；Power module indicator lamp is connected with power input；PROM program storages indicator lamp and PROM memory modules
It is connected.
5. the absolute value encoder simulation system based on synchronous serial interface signal according to claim 4, its feature exists
In：On the controller after electricity, initial work is first completed, subsequently into wait state, wait external timing signal and setting
The input signal of terminal；User is setting the parameter of the terminal SSI signals to be exported, and parameter is sent into absolute encoder
Device simulates the bluetooth module of board；Send after SSI signal parameters and access external timing signal, controller enters SSI signals
Output state, first gathers the SSI signal parameters that bluetooth module is received, and then generates SSI signals and passes through SSI signal output modules
Output；User sends new SSI signal parameters again, and controller will gather new SSI signal parameters simultaneously from bluetooth module again
New SSI signals are exported by SSI signal output modules.
6. the absolute value encoder simulation system based on synchronous serial interface signal according to claim 1, its feature exists
In：The controller is based on FPGA, using 8MHz crystal oscillators, core operating voltage 1.2V, I/O interface operating voltage be 2.5V and
3.3V；Bluetooth module chip is CC2541, and its serial communication speed is 9600 baud rates；SSI signal output modules are used
Level signal conversion chip is MAX490；Power module gives other all module for power supply, by being divided into after electrical level transferring chip
The tunnel supply line of 1.2V, 2.5V, 3.3V tri-；Wherein 1.2V supply lines power to fpga chip core, and 2.5V circuits are to part
FPGA I/O interfaces are powered, and 3.3V circuits are powered to part FPGA I/O interfaces and PROM memory modules；PROM program storages are indicated
Lamp shows the working condition of PROM memory modules；Power module indicator lamp shows the working condition of power module；The system is also wrapped
Shell is included, the side of shell there are 2 interfaces, be respectively DB9 single channel SSI signal output interfaces and the road SSI signal outputs of DB25 tetra-
Interface；Opposite side has 4 interfaces, is respectively that power module indicator lamp watch window, power switch, plant-grid connection hole and reset are opened
Close；DB9 single channel SSI signal output interfaces are used for the SSI signals to outside output single channel；The road SSI signal output interfaces of DB25 tetra-
For to four road SSI signals of outside output；Power module indicator lamp watch window shows the state of the indicator lamp；Power switch control
Absolute value encoder processed simulates cut-offfing for board；Plant-grid connection hole is connected with outside 5V1A DC power source adapters；Reset switch
The reset operation of control absolute value encoder simulation board.
7. a kind of absolute value encoder simulation system based on synchronous serial signal according to claim 1, its feature exists
In the setting terminal is made up of bluetooth equipment search module and signal parameter setup module；The bluetooth equipment search module
The bluetooth equipment of surrounding is searched for and shown, the connection with selected bluetooth equipment is set up；Signal parameter setup module shows and selectes
The RSSI intensity of the connection status, MAC Address and Bluetooth signal of bluetooth equipment, receives the SSI signal parameters of user input and incites somebody to action
These parameters are sent on absolute value encoder simulation board.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0115226D0 (en) * | 2001-06-21 | 2001-08-15 | Omron Europ B V | Signal processing system |
| US20040153683A1 (en) * | 2002-03-13 | 2004-08-05 | Chinyi Chiang | Circuit structure and signal encoding method for a serial ATA external physical layer |
| CN103792939A (en) * | 2014-01-28 | 2014-05-14 | 合肥三立自动化工程有限公司 | Absolute value encoder signal measuring and control instrument and detection method thereof |
| CN105809925A (en) * | 2016-03-09 | 2016-07-27 | 中国人民解放军91388部队 | Wireless control system of simulator signal source |
| CN106200613A (en) * | 2016-07-11 | 2016-12-07 | 浙江大学 | A kind of analog detecting synchronous serial signal fault and analog detecting method |
| CN206410716U (en) * | 2017-01-20 | 2017-08-15 | 浙江大学 | Absolute value encoder analogue means based on synchronous serial interface signal |
-
2017
- 2017-01-20 CN CN201710041757.9A patent/CN106679698A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0115226D0 (en) * | 2001-06-21 | 2001-08-15 | Omron Europ B V | Signal processing system |
| US20040153683A1 (en) * | 2002-03-13 | 2004-08-05 | Chinyi Chiang | Circuit structure and signal encoding method for a serial ATA external physical layer |
| CN103792939A (en) * | 2014-01-28 | 2014-05-14 | 合肥三立自动化工程有限公司 | Absolute value encoder signal measuring and control instrument and detection method thereof |
| CN105809925A (en) * | 2016-03-09 | 2016-07-27 | 中国人民解放军91388部队 | Wireless control system of simulator signal source |
| CN106200613A (en) * | 2016-07-11 | 2016-12-07 | 浙江大学 | A kind of analog detecting synchronous serial signal fault and analog detecting method |
| CN206410716U (en) * | 2017-01-20 | 2017-08-15 | 浙江大学 | Absolute value encoder analogue means based on synchronous serial interface signal |
Non-Patent Citations (3)
| Title |
|---|
| 丁宝林等: "通用型绝对式编码器信号处理电路的开发", 《测试技术学报》 * |
| 张庆伟 等: "基于FPGA的通用串行信号产生器的设计", 《遥测遥控》 * |
| 徐洋 等: "基于STM32单片机的增量式编码器模拟装置设计", 《工业控制计算机》 * |
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Application publication date: 20170517 |