CN108073149A - Clock signal generation device - Google Patents
Clock signal generation device Download PDFInfo
- Publication number
- CN108073149A CN108073149A CN201610991929.4A CN201610991929A CN108073149A CN 108073149 A CN108073149 A CN 108073149A CN 201610991929 A CN201610991929 A CN 201610991929A CN 108073149 A CN108073149 A CN 108073149A
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- control module
- signal generating
- gain control
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Debugging And Monitoring (AREA)
Abstract
The present invention relates to a kind of clock signal generating means,The output terminal of signal generating module is connected with control module,Signal switching module input terminal is connected with signal generating module,Output terminal is connected with gain control module,Its control terminal is connected with control module,Gain control module input terminal is connected with signal switching module,Output terminal is connected with interface module,Its gain control end is connected with control module,Interface module input terminal is connected with gain control module,Output terminal is connected with system under test (SUT),Control module input terminal and signal generating module,Man-machine module,And interface module is connected,Its output terminal respectively with signal emission module,Signal switching module,Gain control module is connected,It is an advantage of the invention that it can be set by host computer interface when operation and keep waveform,It is downloaded to by communication interface in device,The timing waveform to be exported can be selected by button and LCD screen interface,It can remove from and the tests such as engine in kind.
Description
Technical field
The invention belongs to the sensor of motor vehicles and controller test technical field, specifically a kind of clock signal production
Generating apparatus.
Background technology
The demand that the development of electronic technology at any time and people design judicial convenience, cause more and more electronic equipments,
Smart machine is applied on automobile, and from system to electrical equipment, function is stronger and stronger, and corresponding system design is also increasingly
Complexity, how the functional reliability of fast verification system, which becomes exploitation designer, needs the problem faced.
Such as need to adjust and verify the function of Engine ECU, conventional method is to go to test onto real engine, but
Engine, which gets into smooth, can generate noise and exhaust gas, therefore can not be in office, this just needs to go adjustment ECU's to laboratory
Parameter is shuttled between office, laboratory, is completed until ECU functions adjust, this inconvenience, can be to work
Efficiency causes very big influence.
Further, since between vehicle electronic device, between controller and sensor exist largely interact, in opening for system
Hair initial stage possibly can not build whole system or some subsystem breaks down, and routine side only waits subsystems complete
Portion completes, could start to verify its relevant function after troubleshooting, and can not verify in advance, so as to cause whole development week
Phase lags.
Similar operative scenario listed above, the problem of construction cycle is long low there are resource utilization, can not adapt to work as
Preceding fast-changing demand.To enable developer's fast testing system in itself, exploitation, verification work are synchronous, and special open sends one
Clock signal generation device is covered, dedicated for signal caused by simulation vehicle electronic device, onboard sensor, in system
Structure initial stage facilitates the function of verification system, exploitation, verification process so as to acceleration system.
The content of the invention
The object of the present invention is to provide it is a kind of can simulate onboard sensor, the clock signal of controller signals fills
It puts, which is used for the test of vehicle-mounted ECU/sensor.
To achieve the above object, the present invention provides following technical solutions：A kind of clock signal generating means, it includes
There are signal generating module, signal switching module, gain control module, interface module, control module, communication module and man-machine mould
Block is characterized in that：The output terminal of signal generating module is connected with control module, signal switching module input terminal and letter
Number occur module be connected, output terminal is connected with gain control module, and control terminal is connected with control module, and gain control module is defeated
Enter end with signal switching module to be connected, output terminal is connected with interface module, and gain control end is connected with control module, interface mould
Block input terminal is connected with gain control module, and output terminal is connected with system under test (SUT), control module input terminal and signal generating module,
Man-machine module and interface module are connected, output terminal respectively with signal emission module, signal switching module, gain control molding
Block is connected, and man-machine module is made of button and LCD screen, for selecting the ginseng of the waveform signal of output and control output signal
Number.
The beneficial effects of the invention are as follows that can be set during operation by host computer interface and keep waveform, connect by communication
Mouth is downloaded in device, you can is selected the timing waveform to be exported by button and LCD screen interface, can be removed from and start with material object
The tests such as machine can also preserve at any time.
Description of the drawings
Fig. 1 is the principle of the present invention frame assumption diagram；
Fig. 2 is work flow diagram of the present invention.
Specific embodiment
Below in conjunction with Fig. 1 ~ 2, pass through the specific embodiment content that the present invention will be described in detail.A kind of clock signal fills
It puts, it includes signal generating module, signal switching module, gain control module, interface module, control module, communication module
With man-machine module, wherein：The output terminal of signal generating module is connected with control module, signal switching module input terminal and letter
Number occur module be connected, output terminal is connected with gain control module, and control terminal is connected with control module, and gain control module is defeated
Enter end with signal switching module to be connected, output terminal is connected with interface module, and gain control end is connected with control module, interface mould
Block input terminal is connected with gain control module, and output terminal is connected with system under test (SUT), control module input terminal and signal generating module,
Man-machine module and interface module are connected, output terminal respectively with signal emission module, signal switching module, gain control molding
Block is connected, and man-machine module is made of button and LCD screen, for selecting the ginseng of the waveform signal of output and control output signal
Number.
SG：Signal generating module；It is characterized in that standard signal can be generated simultaneously：Sine wave, triangular wave, square wave and simulation electricity
Pressure output；
MUX：Signal switching module；It is mainly characterized by being made of multigroup variable connector, and variable connector is defeated for multichannel input single channel
Go out, module can be switched output signal by control module, so as to fulfill the switching of different signals is exported；
AGC：Gain control module；By waveform modulated to the amplitude of requirement, driving force is promoted；
I/O：Interface module；Input signal amplitude limit exports signal current limliting, is reliably connected system under test (SUT)；
MCU：Control module；The square-wave signal that SG modules generate is gathered, controls work schedule and the output of SG, MUX, AGC module
Waveform；The signal from I/O modules is gathered, for display system current working status；
COM：Communication module；It is connected with upper computer software, realizes that waveform sets function etc..
HMI：Man-machine module；It is made of button and LCD screen, for the waveform signal of output and control to be selected to export signal
Parameter；
Operation principle is as follows：Host computer draws waveform and then is passed to wave file in device by communication interface.Any waveform is all
Should be cyclical signal, all it should be understood that pointing out the cycle of waveform.Cycle and signal of the clock signal generating means according to waveform
Generation module working frequency can calculate the period frequency of current form.The cycle of current form can be adjusted by button
Frequency.Until frequency is within the scope of given.Waveform signal is sent to gain control by control module control multiway analog switch
Molding block.The work step of the device is as follows：
（One）Clock signal generating means is initialized first；
（Two）The newer Wave data of host computer is passed to wave file in clock signal generating means by communication interface；
（Three）Module occurs for enabling signal；
（Four）Test signal period frequency；
（Five）Judge whether signal period frequency can be received；If it can, it carries out in next step, it is not possible to, return to the（Three）
Step restarts signal generating module；
（Six）Set gain control module parameter；
（Seven）Enabling signal handover module；
Judge output valve whether in range of set value.If so, terminate, if not, returning to the（Six）Step.
Claims (2)
1. a kind of clock signal generating means, it includes signal generating module, signal switching module, gain control module, connects
Mouth mold block, control module, communication module and man-machine module, it is characterised in that：The output terminal and control module of signal generating module
It is connected, signal switching module input terminal is connected with signal generating module, and output terminal is connected with gain control module, control
End is connected with control module, and gain control module input terminal is connected with signal switching module, and output terminal is connected with interface module,
Gain control end is connected with control module, and interface module input terminal is connected with gain control module, output terminal and system under test (SUT) phase
Even, control module input terminal is connected with signal generating module, man-machine module and interface module, output terminal respectively with signal
Transmitting module, signal switching module, gain control module are connected, and man-machine module is made of button and LCD screen, defeated for selecting
The waveform signal and the parameter of control output signal gone out.
2. a kind of clock signal generating means according to claim 1, it is characterised in that：The work step of the device is such as
Under：
Step 1：Clock signal generating means is initialized first；
Step 2：Wave file is passed into clock signal generating means by the newer Wave data of host computer by communication interface
In；
Step 3：Module occurs for enabling signal；
Step 4：Test signal period frequency；
Step 5：Judge whether signal period frequency can be received；If it can, it carries out in next step, it is not possible to, return to the
（Three）Step restarts signal generating module；
Step 6：Set gain control module parameter；
Step 7：Enabling signal handover module；
Step 8：Judge output valve whether in range of set value；If so, terminate, if not, returning to the（Six）Step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991929.4A CN108073149A (en) | 2016-11-11 | 2016-11-11 | Clock signal generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991929.4A CN108073149A (en) | 2016-11-11 | 2016-11-11 | Clock signal generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108073149A true CN108073149A (en) | 2018-05-25 |
Family
ID=62154670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610991929.4A Withdrawn CN108073149A (en) | 2016-11-11 | 2016-11-11 | Clock signal generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108073149A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572534A (en) * | 2009-05-22 | 2009-11-04 | 深圳迪美泰数字医学技术有限公司 | Waveform generation method of biomedicine signals and device |
| JP2010193338A (en) * | 2009-02-20 | 2010-09-02 | Yokogawa Electric Corp | Optional waveform generator, and semiconductor tester using the same |
| US20110187421A1 (en) * | 2008-08-07 | 2011-08-04 | Nxp B.V. | Signal generation method and apparatus and test method and system using the same |
| US8890727B1 (en) * | 2013-06-07 | 2014-11-18 | Mediatek Singapore Pte. Ltd. | Analog-to-digital converter circuit, integrated circuit, electronic device and method therefor |
| CN105281886A (en) * | 2015-11-19 | 2016-01-27 | 中国科学院武汉物理与数学研究所 | Sequential control signal generation method and device of cold ion quantum information processor |
| CN105527615A (en) * | 2015-12-04 | 2016-04-27 | 北京振兴计量测试研究所 | Multi-system radar signal simulator |
| CN105744263A (en) * | 2015-12-18 | 2016-07-06 | 北京伽略电子股份有限公司 | CCD driving time sequence and system testing integrated circuit and use method thereof |
| CN205656302U (en) * | 2016-05-06 | 2016-10-19 | 中国电子科技集团公司第三十八研究所 | Full automatic testing device of universalization radar microwave system performance index |
| CN206270756U (en) * | 2016-11-11 | 2017-06-20 | 华晨汽车集团控股有限公司 | Clock signal generation device |
-
2016
- 2016-11-11 CN CN201610991929.4A patent/CN108073149A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110187421A1 (en) * | 2008-08-07 | 2011-08-04 | Nxp B.V. | Signal generation method and apparatus and test method and system using the same |
| JP2010193338A (en) * | 2009-02-20 | 2010-09-02 | Yokogawa Electric Corp | Optional waveform generator, and semiconductor tester using the same |
| CN101572534A (en) * | 2009-05-22 | 2009-11-04 | 深圳迪美泰数字医学技术有限公司 | Waveform generation method of biomedicine signals and device |
| US8890727B1 (en) * | 2013-06-07 | 2014-11-18 | Mediatek Singapore Pte. Ltd. | Analog-to-digital converter circuit, integrated circuit, electronic device and method therefor |
| CN105281886A (en) * | 2015-11-19 | 2016-01-27 | 中国科学院武汉物理与数学研究所 | Sequential control signal generation method and device of cold ion quantum information processor |
| CN105527615A (en) * | 2015-12-04 | 2016-04-27 | 北京振兴计量测试研究所 | Multi-system radar signal simulator |
| CN105744263A (en) * | 2015-12-18 | 2016-07-06 | 北京伽略电子股份有限公司 | CCD driving time sequence and system testing integrated circuit and use method thereof |
| CN205656302U (en) * | 2016-05-06 | 2016-10-19 | 中国电子科技集团公司第三十八研究所 | Full automatic testing device of universalization radar microwave system performance index |
| CN206270756U (en) * | 2016-11-11 | 2017-06-20 | 华晨汽车集团控股有限公司 | Clock signal generation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105404568A (en) | CAN bus test system and test method | |
| US20100049486A1 (en) | Systems and Methods for Simulating Plant Operations | |
| US20110083121A1 (en) | Method and System for Automatic Test-Case Generation for Distributed Embedded Systems | |
| CN104778109B (en) | Program downloading system and method of PCIE/PCIX external plug-in card | |
| US10551807B2 (en) | Method for connecting an input/output interface of a tester equipped for control unit development | |
| CN103925853B (en) | A kind of carrier rocket ground testing system device | |
| CN204028691U (en) | Aeromotor hardware is in loop test system | |
| CN103092082B (en) | A kind of driver is in ring vehicle performance optimization Simulation pilot system | |
| CN210041853U (en) | Automatic test system for automobile CAN/LIN bus | |
| CN102183953A (en) | Vehicle power electronic unit (PEU) testboard | |
| CN103631256B (en) | A kind of method of engine signal analog simulation test board and test ECU thereof | |
| CN103616888A (en) | Function test board for traction control unit of internal combustion locomotive | |
| CN206270756U (en) | Clock signal generation device | |
| CN103543739B (en) | A kind of for verifying analogue system and the method for engine idle on off control | |
| CN108073149A (en) | Clock signal generation device | |
| CN104022933B (en) | A kind of vehicle bus debugging system changed based on multimode signal | |
| CN205910549U (en) | Control system through real -time bus module and realization of software motion engine | |
| CN113992552A (en) | Automobile CAN/CANFD physical layer system testing device and method | |
| CN112946383A (en) | Normal-temperature normal-power-output-level aging system and construction method for product | |
| CN209182710U (en) | Test macro | |
| CN114061972A (en) | Cloud-end intelligent automobile power assembly test system and method | |
| CN205959037U (en) | Fill electric pile human -computer interaction system | |
| CN202171744U (en) | PEU testboard | |
| CN104238378A (en) | Simulation testing method and system of electronic appliance architecture of integral car | |
| CN110825624A (en) | Module testing system and method of embedded equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180525 |
|
| WW01 | Invention patent application withdrawn after publication |