CN109656237A - A kind of hardware-in―the-loop test method of onboard control device - Google Patents
A kind of hardware-in―the-loop test method of onboard control device Download PDFInfo
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- CN109656237A CN109656237A CN201910087312.3A CN201910087312A CN109656237A CN 109656237 A CN109656237 A CN 109656237A CN 201910087312 A CN201910087312 A CN 201910087312A CN 109656237 A CN109656237 A CN 109656237A
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- 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
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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Abstract
The invention discloses a kind of hardware-in―the-loop test methods of onboard control device, the following steps are included: detection information: after analog signal input or output board card installation, utilize waveform generator, it may be programmed different types of signal, analog signal includes speed signal, astern signal, hand-wheel signal, AIR COND SIG Air Conditioner Singnal and bus signals etc.；Signal transmission: pass through I/O interface, it is connect with controller to be measured, signal is transmitted to sensor by signal conditioning unit, the internal circuit of signal conditioning unit includes filter, converter, amplifier etc., a kind of hardware-in―the-loop test method of onboard control device of the present invention, it is easy to operate, it is easy to use, there is stronger practical value, the dynamic three-dimensional running automobile of simulation is in the sections of road of reality and the section view Dynamic Graph control reference of inner control member, improve the authenticity of test, section situation in reality can more embody real vehicle operation conditions, to reduce train experiment, reduce cost.
Description
Technical field
The present invention relates to Automobile Measuring Techniques field, in particular to a kind of hardware-in―the-loop test side of onboard control device
Method.
Background technique
Automotive test evaluation service manages laboratory dependent on the professional degree of technical staff and the advance of testing equipment
Reason system, the degree of perfection of transportation are more demanding, meanwhile, the research and development to testing experiment method are also test evaluation machine
The important embodiment of structure technical level height, vehicle product quality standard and examination criteria directly affect detection industry composition, produce
Quality standard and examination criteria have positive impetus to successive generations of products, with the development of automobile industry, to vehicle-mounted
The requirement of hardware and full-vehicle control is also higher and higher.
There are certain drawbacks when in use in a kind of hardware-in―the-loop test method of existing onboard control device, firstly,
Existing load signal simulation needs adjusting resistance value to control analog signal, but limitation is larger, the precision gist electricity of regulation
The size of resistance value, precision are difficult to ensure that the data deviation for causing it to simulate is larger, meanwhile, although analogue simulation is perspective view,
But cannot really it experience to people, the section test of sequencing is more inflexible, real-time vehicle condition is not suitable for, finally, data store
In SD card, since the space of storage card is certain, it is unable to the data of storing excess, the progress of inconvenience work.
Summary of the invention
The main purpose of the present invention is to provide a kind of hardware-in―the-loop test methods of onboard control device, can effectively solve
Certainly the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of hardware-in―the-loop test method of onboard control device, comprising the following steps:
(1) detection information: after analog signal input or output board card installation, using waveform generator, it may be programmed inhomogeneity
The signal of type；
(2) signal transmits: by I/O interface, connecting with controller to be measured, signal is transmitted to biography by signal conditioning unit
Sensor；
(3) data acquire: sensor data acquisition, and GPS positioning realizes that real-time road environment and three-dimensional traveling image combine；
(4) analogue simulation: true driver's operation, while emulator is controlled, software emulation and hardware-in-the-loop are virtual
The inside vehicle-mounted control element operation conditions of object, while simulated cockpit and pedestrian is introduced into real-time road, is driven
Member, passerby and running environment constitute closed loop；
(5) calibration display: the experiment interface of double-display screen changes simulation parameter by calibration software, to observe difference
Simulation status；
(6) fault test: direct fault location unit, the test of effective direct fault location need to have the ability to electronic control unit into
The repeatable malfunction injection of row, is used in combination using FIU and ADvantage software；
(7) data store: being wirelessly connected internet, by cloud storage, time recording dynamic data can transmit data
Cloud saves quite long one end time.
Preferably, in the step (1), analog signal includes speed signal, astern signal, hand-wheel signal, air-conditioning letter
Number and bus signals etc..
Preferably, in the step (2), the internal circuit of signal conditioning unit includes filter, converter, amplifier
Deng change signal type output.
Preferably, in the step (4), the runing time of analogue simulation is 10-30 points/times.
Preferably, in the step (5), display three-dimensional driving Dynamic Graph in side in double-display screen, other side display inside
Vehicle-mounted control element operation conditions figure.
Preferably, in the step (6), coordinate the following steps are included:
(6.1), FIU sets formula software using ADvantageSC, triggers inspection according to the failure of setting during real-time simulation
It surveys；
(6.2), ADvantageSC is integrated in ADvantageVI, realizes failure automation and control.
Preferably, in the step (7), data storage includes network data analysis and data statistics.
Compared with prior art, the present invention provides a kind of hardware-in―the-loop test methods of onboard control device, have such as
It is lower the utility model has the advantages that
1, by setting waveform generator, using complex programmable logic part, high-speed d/a conversion and programmable smothing filtering
Etc. technologies, have the function of software setting signal frequency, waveform and output level, can by change different signal frequency to
The signal of different types is simulated, it is easy to operate, it is easy to use, there is stronger practical value；
2, by setting GPS and emulation 3-D image, simulate dynamic three-dimensional running automobile in the sections of road of reality and
The section view Dynamic Graph control reference of inner control member, improves the authenticity of test, and the section situation in reality can more embody reality
Vehicle operation conditions reduces cost to reduce train experiment.
3, the data information time recording of acquisition is uploaded to by cloud by setting cloud storage, avoids the office of memory space
It is sex-limited, facilitate later data comparison and statistical work, improves practicability.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.
Detailed description of the invention
Fig. 1 is a kind of overall structure flow chart of the hardware-in―the-loop test method of onboard control device of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1
As shown in Figure 1, comprising the following steps:
(1) detection information: after analog signal input or output board card installation, using waveform generator, it may be programmed inhomogeneity
The signal of type, analog signal include speed signal, astern signal, hand-wheel signal, AIR COND SIG Air Conditioner Singnal and bus signals etc.；
(2) signal transmits: by I/O interface, connecting with controller to be measured, signal is transmitted to biography by signal conditioning unit
Sensor, the internal circuit of signal conditioning unit include filter, converter, amplifier etc., change signal type output, improve number
According to the performance and precision of acquisition；
(3) data acquire: sensor data acquisition, and GPS positioning realizes that real-time road environment and three-dimensional traveling image combine；
(4) analogue simulation: true driver's operation, while emulator is controlled, software emulation and hardware-in-the-loop are virtual
The inside vehicle-mounted control element operation conditions of object, while simulated cockpit and pedestrian is introduced into real-time road, is driven
Member, passerby and running environment constitute closed loop, and the runing time of analogue simulation is 10 points/time；
(5) calibration display: the experiment interface of double-display screen changes simulation parameter by calibration software, to observe difference
Simulation status, display three-dimensional driving Dynamic Graph in side in double-display screen, the other side shows that internal vehicle-mounted control element runs shape
Condition figure；
(6) fault test: direct fault location unit, the test of effective direct fault location need to have the ability to electronic control unit into
The repeatable malfunction injection of row, is used in combination using FIU and ADvantage software, coordinate the following steps are included:
(6.1), FIU sets formula software using ADvantageSC, triggers inspection according to the failure of setting during real-time simulation
It surveys；
(6.2), ADvantageSC is integrated in ADvantageVI, realizes failure automation and control；
(7) data store: being wirelessly connected internet, by cloud storage, time recording dynamic data can transmit data
Cloud, saves quite long one end time, and data storage includes network data analysis and data statistics.
Embodiment 2
As shown in Figure 1, comprising the following steps:
(1) detection information: after analog signal input or output board card installation, using waveform generator, it may be programmed inhomogeneity
The signal of type, analog signal include speed signal, astern signal, hand-wheel signal, AIR COND SIG Air Conditioner Singnal and bus signals etc.；
(2) signal transmits: by I/O interface, connecting with controller to be measured, signal is transmitted to biography by signal conditioning unit
Sensor, the internal circuit of signal conditioning unit include filter, converter, amplifier etc., change signal type output, improve number
According to the performance and precision of acquisition；
(3) data acquire: sensor data acquisition, and GPS positioning realizes that real-time road environment and three-dimensional traveling image combine；
(4) analogue simulation: true driver's operation, while emulator is controlled, software emulation and hardware-in-the-loop are virtual
The inside vehicle-mounted control element operation conditions of object, while simulated cockpit and pedestrian is introduced into real-time road, is driven
Member, passerby and running environment constitute closed loop, and the runing time of analogue simulation is 20 points/time；
(5) calibration display: the experiment interface of double-display screen changes simulation parameter by calibration software, to observe difference
Simulation status, display three-dimensional driving Dynamic Graph in side in double-display screen, the other side shows that internal vehicle-mounted control element runs shape
Condition figure；
(6) fault test: direct fault location unit, the test of effective direct fault location need to have the ability to electronic control unit into
The repeatable malfunction injection of row, is used in combination using FIU and ADvantage software, coordinate the following steps are included:
(6.1), FIU sets formula software using ADvantageSC, triggers inspection according to the failure of setting during real-time simulation
It surveys；
(6.2), ADvantageSC is integrated in ADvantageVI, realizes failure automation and control；
(7) data store: being wirelessly connected internet, by cloud storage, time recording dynamic data can transmit data
Cloud, saves quite long one end time, and data storage includes network data analysis and data statistics.
Embodiment 3
As shown in Figure 1, comprising the following steps:
(1) detection information: after analog signal input or output board card installation, using waveform generator, it may be programmed inhomogeneity
The signal of type, analog signal include speed signal, astern signal, hand-wheel signal, AIR COND SIG Air Conditioner Singnal and bus signals etc.；
(2) signal transmits: by I/O interface, connecting with controller to be measured, signal is transmitted to biography by signal conditioning unit
Sensor, the internal circuit of signal conditioning unit include filter, converter, amplifier etc., change signal type output, improve number
According to the performance and precision of acquisition；
(3) data acquire: sensor data acquisition, and GPS positioning realizes that real-time road environment and three-dimensional traveling image combine；
(4) analogue simulation: true driver's operation, while emulator is controlled, software emulation and hardware-in-the-loop are virtual
The inside vehicle-mounted control element operation conditions of object, while simulated cockpit and pedestrian is introduced into real-time road, is driven
Member, passerby and running environment constitute closed loop, and the runing time of analogue simulation is 30 points/time；
(5) calibration display: the experiment interface of double-display screen changes simulation parameter by calibration software, to observe difference
Simulation status, display three-dimensional driving Dynamic Graph in side in double-display screen, the other side shows that internal vehicle-mounted control element runs shape
Condition figure；
(6) fault test: direct fault location unit, the test of effective direct fault location need to have the ability to electronic control unit into
The repeatable malfunction injection of row, is used in combination using FIU and ADvantage software, coordinate the following steps are included:
(6.1), FIU sets formula software using ADvantageSC, triggers inspection according to the failure of setting during real-time simulation
It surveys；
(6.2), ADvantageSC is integrated in ADvantageVI, realizes failure automation and control；
(7) data store: being wirelessly connected internet, by cloud storage, time recording dynamic data can transmit data
Cloud, saves quite long one end time, and data storage includes network data analysis and data statistics.
Table 1 is under the different time that Examples 1 to 3 is the operation of each analogue simulation, in 1 year, influence each power consumption with
Equipment damage rate, testing result are as follows:
By 1 experimental data of table it is found that the hardware-in―the-loop test system of onboard control device of the present invention, as analogue simulation is every
Secondary runing time constantly extends, and power consumption is also increasing, and the spoilage of equipment is also higher and higher, and can be seen by table 1
Out, although the failure rate of equipment is increased with the growth of each run time, power consumption is normal, 10 points/time and 20
The equipment failure rate of point/time is extremely close, it is to be understood that 10-20 points/time failure rate is substantially the same, and embodiment 2 is most as shown in Table 1
Excellent selection.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of hardware-in―the-loop test method of onboard control device, which comprises the following steps:
(1) it detection information: after analog signal input or output board card installation, using waveform generator, may be programmed different types of
Signal；
(2) signal transmits: by I/O interface, connecting with controller to be measured, signal is transmitted to sensing by signal conditioning unit
Device；
(3) data acquire: sensor data acquisition, and GPS positioning realizes that real-time road environment and three-dimensional traveling image combine；
(4) analogue simulation: true driver's operation, while emulator is controlled, software emulation and hardware-in-the-loop dummy object
Inside vehicle-mounted control element operation conditions, while simulated cockpit and pedestrian is introduced into real-time road, driver, road
People and running environment constitute closed loop；
(5) calibration display: the experiment interface of double-display screen changes simulation parameter by calibration software, to observe different imitate
True state；
(6) fault test: direct fault location unit, effective direct fault location test needs to have the ability can to electronic control unit progress
Duplicate malfunction injection, is used in combination using FIU and ADvantage software；
(7) data store: being wirelessly connected internet, by cloud storage, time recording dynamic data can transmit data cloud, protect
Deposit quite long one end time.
2. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (1), analog signal includes speed signal, astern signal, hand-wheel signal, AIR COND SIG Air Conditioner Singnal and bus signals etc..
3. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (2), the internal circuit of signal conditioning unit includes filter, converter, amplifier etc., changes signal type output.
4. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (4), the runing time of analogue simulation is 10-30 points/times.
5. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (5), display three-dimensional driving Dynamic Graph in side in double-display screen, the other side shows internal vehicle-mounted control element operation conditions
Figure.
6. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (6), coordinate the following steps are included:
(6.1), FIU sets formula software using ADvantageSC, according to the failure detection trigger of setting during real-time simulation；
(6.2), ADvantageSC is integrated in ADvantageVI, realizes failure automation and control.
7. a kind of hardware-in―the-loop test method of onboard control device according to claim 1, it is characterised in that: the step
Suddenly in (7), data storage includes network data analysis and data statistics.
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| CN114860570A (en) * | 2022-03-28 | 2022-08-05 | 湖南智擎科技有限公司 | Development board evaluation method and device for software as a service (SaaS) mode |
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Application publication date: 20190419 |