CN106383511A - Vehicle control unit simulation test method, device and system - Google Patents
Vehicle control unit simulation test method, device and system Download PDFInfo
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- CN106383511A CN106383511A CN201610804856.3A CN201610804856A CN106383511A CN 106383511 A CN106383511 A CN 106383511A CN 201610804856 A CN201610804856 A CN 201610804856A CN 106383511 A CN106383511 A CN 106383511A
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- signal
- entire car
- car controller
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
Abstract
The present invention provides a vehicle control unit simulation test method, device and system. The method comprises the following steps: in the current test environment of a vehicle, controlling a first node to send a first signal to a vehicle controller to be tested according to a preset rule to forward the first signal to a second node through the vehicle controller to be tested, wherein the first node is located on a first CAN bus, and the second node is located on a second CAN bus; monitoring a second signal received by the second node, and determining whether the second signal accords with the preset rule or not; and if the second signal accords with the preset rule, determining the consistency of the second signal and the first signal. According to the embodiment of the invention, the test coverage degree is more comprehensive and abundant, and the test accuracy is improved.
Description
Technical field
The present invention relates to vehicle control device technical field of measurement and test, particularly to a kind of emulation testing side of entire car controller
Method, device and system.
Background technology
At present, in vehicle, entire car controller is by CAN (Controller Area Network, controller local mostly
Network) bus communicated with the other nodes on vehicle, the typically more than road of this CAN.If a road CAN
On certain node send data need to be delivered in the CAN of another road, then sending node can by its place CAN total
Line sends the data to entire car controller, and is used as intermediary by entire car controller, and this data forwarding is given another road CAN
Other nodes of bus.
However, currently for above-mentioned needs do not go the same way between CAN forward forwarding class signal method of testing still not
Sound, or be simply to test the data that in next road CAN, certain node sends to control by policy
Device is sent in the CAN of another road.Therefore, current test mode has that test mode is single, cover comprehensive, the degree of accuracy
Low problem.
Content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
For this reason, the first of the present invention purpose is to propose a kind of emulation test method of entire car controller, Test coverage
Degree is more comprehensive, abundant, it is possible to increase test accuracy.
Second object of the present invention is to propose a kind of simulation testing device of entire car controller.
Third object of the present invention is to propose a kind of emulation test system of entire car controller.
For reaching above-mentioned purpose, embodiment proposes a kind of emulation testing side of entire car controller according to a first aspect of the present invention
Method, comprises the following steps：In the preset test environment of vehicle, control first node according to preset rules to full-vehicle control to be measured
Device sends the first signal, and to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located at the
In one CAN, described Section Point is located in the second CAN；Monitor the secondary signal that described Section Point receives, and
Judge whether described secondary signal meets described preset rules；If it is determined that described secondary signal and described first signal one
Cause.
The emulation test method of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
Second aspect present invention embodiment provides a kind of simulation testing device of entire car controller, including：Control module,
For in the preset test environment of vehicle, controlling first node to send the first letter according to preset rules to entire car controller to be measured
Number, to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located in the first CAN,
Described Section Point is located in the second CAN；First monitoring modular, for monitoring the second letter that described Section Point receives
Number；First judge module, for judging whether described secondary signal meets described preset rules；Determining module, for judging
When described secondary signal meets described preset rules, determine that described secondary signal is consistent with described first signal.
The simulation testing device of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
Third aspect present invention embodiment provides a kind of emulation test system of entire car controller, including：As the present invention
The simulation testing device of the entire car controller of second aspect any embodiment；And entire car controller to be measured, described for receiving
It is described that first node sends, and is forwarded to described Section Point.
The emulation test system of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein：
Fig. 1 is the transmission schematic diagram forwarding class signal in correlation technique；
Fig. 2 is the flow chart of the emulation test method of the entire car controller according to one embodiment of the invention；
Fig. 3 is the flow chart of the emulation test method of the entire car controller according to another embodiment of the present invention；
Fig. 4 is the structural representation of the simulation testing device of the entire car controller according to one embodiment of the invention；
Fig. 5 is the structural representation of the simulation testing device of the entire car controller according to another embodiment of the present invention；
Fig. 6 is the emulation test system structural representation of the entire car controller according to one embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
Fig. 1 is the transmission schematic diagram forwarding class signal in correlation technique.As shown in figure 1, forwarding class signal S by sending node
A sends, and with entire car controller as intermediary, issues entire car controller from a road CAN (CAN1), then by entire car controller
Forwarding is dealt in other CAN, and the node in the node B for CAN2 bus or other bus uses after receiving.Wherein, Fig. 1
In as a example with entire car controller as VCU (Vehicle Control Unit, control unit for vehicle).
In order to ensure entire car controller to such data forwarding class signal can successfully forward and forward accurately, this
Invention proposes a kind of emulation test method of entire car controller, device and system.
Below with reference to the accompanying drawings describe the emulation test method of entire car controller according to embodiments of the present invention, device and be
System.
Fig. 2 is the flow chart of the emulation test method of the entire car controller according to one embodiment of the invention.
As shown in Fig. 2 the emulation test method of entire car controller according to embodiments of the present invention, including step S201-
S202.
S201, in the preset test environment of vehicle, controls first node according to preset rules to entire car controller to be measured
Send the first signal, to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located at first
In CAN, described Section Point is located in the second CAN.
Wherein, preset test environment can any one operational mode of simulating vehicle obtain.For example, current survey
Drive mode that test ring border can be but not limited to simulate, trickle charge pattern, fast mold filling formula, in remote mode any one.
It should be noted that the embodiment of the present invention can be applicable to the HIL (Hardware-in-the- to entire car controller
Loop, hardware in loop) in emulation test system.
In one embodiment of the invention, in order to from many aspects cover to entire car controller forward signal when
Accuracy, can predefine signal generation rule, i.e. preset rules.Specifically, can be pre-build based on multiple signal characteristics
Signal generation rule, thus generate test signal (i.e. the first signal) to be forwarded according to this signal generation rule.Wherein, signal
Feature may include but be not limited to cycle, precision, enumerate regular (such as ascending order is enumerated, descending is enumerated) and extreme value (may include
Maximum and minimum of a value) etc..
Specifically, described control first node sends the first signal according to preset rules to entire car controller to be measured, can
First node is including but not limited to controlled to send the first signal according to one or more of rule to entire car controller to be measured：
Rule one
Described first node is controlled to send described first signal according to predetermined period to described entire car controller to be measured.
That is, each data point in the first signal be by first node according to predetermined period generate, and send to
Entire car controller to be measured.For example, the first signal includes 10 data points, and predetermined period is A_send_cycle, then and the
One node can generate a data point every time A_send_cycle, and sends to entire car controller to be measured, until 10 numbers
Strong point all sends to entire car controller to be measured.
Rule two
Described first node is controlled to send described first signal according to default precision to described entire car controller to be measured.
That is, the precision of each data point in the first signal is all default precision A_precision.Citing comes
Say, if default precision is 0.4, the value of each data point in the first signal is all 0.4 multiple, such as 0.4,
12.8.23.2,37.6 etc..
Rule three
Described first node is controlled to send described first signal according to default rule of enumerating to described entire car controller to be measured.
Wherein, enumerate the ordering rule for data point for the rule, for example, ascending order, descending or first ascending order again descending, first drop
Sequence ascending order etc. again.For example, if the data point in the first signal include 0,0.4,12.8,23.2,37.6 ...,
50th ..., 100, then according to the rule of ascending order or descending, these data points are sent to entire car controller to be measured, or,
These data points elder generation ascending order can also be arranged so that descending one time again, or by these data points elder generation descendings one time
Ascending order arranges one time again, sends to entire car controller to be measured.
For example, above-mentioned data point can enumerate rule transmission according to following：
0、0.4、12.8、23.2、37.6、……、50、……、100；
Or, 100 ..., 50 ..., 37.6,23.2,12.8,0.4,0；
Or, 0,0.4,12.8,23.2,37.6 ..., 50 ..., 100 ..., 50 ..., 37.6,23.2,
12.8、0.4、0；
Or, 100 ..., 50 ..., 37.6,23.2,12.8,0.4,0,0.4,12.8,23.2,37.6 ...,
50、……、100；Etc..
Rule four
Described first node is controlled to send described first signal according to default extreme value rule to described entire car controller to be measured.
Wherein, default extreme value rule defines maximum A_max of data point and/or minimum of a value A_min in the first signal.
When generating the first signal, the maximum of the first signal and minimum of a value need to meet this default extreme value rule, and that is, maximum is A_
Max, minimum of a value is A_min.
S202, monitors the secondary signal that described Section Point receives, and it is described to judge whether described secondary signal meets
Preset rules.
S203, if it is determined that described secondary signal is consistent with described first signal.
If the first signal is accurately forwarded by entire car controller to be measured, the secondary signal that Section Point receives should be with
First signal is consistent, also complies with this preset rules.Therefore, can be by judging whether the secondary signal that Section Point receives meets
This preset rules, judges that secondary signal is consistent with described first signal, so that it is determined that whether entire car controller to be measured can be correct
Forward signal.
For example, believed with the first signal for electrokinetic cell remaining capacity SOC (State of Charge, state-of-charge)
As a example number, electrokinetic cell remaining capacity SOC signal is sent to VCU by the BMS node in CAN1 bus, and is forwarded by VCU
ICM (Ignition Control Module, ignition control module) to CAN2 bus, shows for instrument and uses.
Wherein, electrokinetic cell remaining capacity SOC signal generates and sends according to following rule：Transmission cycle 20ms；Maximum
Value is 100；Minimum of a value is 0；Data precision is 0.4.
After monitoring that ICM node receives signal, whether the signal that can be received by the following aspects judgement
Meet preset rules：
1st, the cycle of signal
Specifically, whether the cycle that can determine whether each data point in the signal that ICM node receives is 20ms, if
It is then to meet the corresponding rule of predetermined period, represent that the forwarding cycle of entire car controller to be measured is consistent with the cycle sending signal.
2nd, the precision of signal
Specifically, whether the precision that can test the signal that ICM node receives is 0.4, thus judging car load control to be measured
Whether device processed has the generation of precision loss or trueness error phenomenon when forwarding.
3rd, the extreme value of signal
The extreme value of signal includes maximum and minimum of a value.Specifically, the signal that ICM node receives can be tested respectively
Whether maximum is whether 100, minimum of a value is 0, to judge whether entire car controller to be measured correctly forwards extreme value when forwarding.
4th, signal enumerate rule
Specifically, can determine whether whether the order of each data point in the signal that ICM node receives is sent with BMS node
When sequence consensus.For example, if when BMS node sends enumerate data and its order be：0、0.4、12.8、23.2、
37.6 ... 50 ... 100 ... 50 ... 37.6,23.2,12.8,0.4,0, then judge data point that ICM node receives and
Whether its order is the same.Thus, whether can test same data point can be by car load control to be measured during ascending order and descending
Device processed correctly forwards.
If necessary to increase the coverage of test, then can increase phase respectively in the correspondence position during ascending order or descending
Same enumerates data point.
Thus, when secondary signal meets all preset rules of the first signal, then can determine that what Section Point received
Secondary signal is consistent with the first signal that first node sends, and then can determine that entire car controller forward signal to be measured is normal.Its
In at least one rule when not meeting, then secondary signal is inconsistent with the first signal, represents entire car controller forward signal to be measured
Abnormal, and for abnormal signal, corresponding correction measure can be taken to entire car controller to be measured.
The emulation test method of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
In an embodiment of the present invention, in order to carry out more fully to the forwarding situation forwarding class signal to entire car controller
Test, can be directed to the different operational modes simulation test environment respectively of vehicle, and be tested respectively in each test environment.
Therefore, in one embodiment of the invention, may also include：According to multiple operational modes of vehicle, simulate respectively
Vehicle running environment, and respectively as described preset test environment.
Wherein, the operational mode of vehicle may include but be not limited to drive mode, trickle charge pattern, fast mold filling formula, remote mode
At least one of.
Thus, it is possible to by simulating different travel condition of vehicle, to entire car controller under each state to forwarding class
The forwarding of signal is tested, and Test coverage degree is high, so that entire car controller can be under the different conditions of vehicle, forward signal
Can correctly send and receive, improve the software quality of entire car controller, and reduce the fault rate of entire car controller.
Fig. 3 is the flow chart of the emulation test method of the entire car controller according to another embodiment of the present invention.
As shown in figure 3, the emulation test method of entire car controller according to embodiments of the present invention, including step S301-
S303.
S301, in the preset test environment of vehicle, controls first node according to preset rules to entire car controller to be measured
Send the first signal, to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located at first
In CAN, described Section Point is located in the second CAN.
Wherein, step S301 is identical with step S201 in embodiment illustrated in fig. 2, can refer to embodiment illustrated in fig. 2.
S302, monitors the 3rd signal that described entire car controller to be measured receives, and judges whether described 3rd signal accords with
Close described preset rules.
After first node sends the first signal to entire car controller to be measured, entire car controller to be measured can be received
Signal be monitored, and judge whether the 3rd signal monitoring meets described preset rules.
Wherein, judge whether the 3rd signal monitoring meets the step that described preset rules can refer to embodiment illustrated in fig. 2
Judge whether secondary signal meets the determination methods of preset rules in rapid S202.
If the carrier message being forwarded signal stops sending, lead to be forwarded signal and can not send according to the cycle or not
Can trigger according to the mode triggering in advance, the letter that full-vehicle control presence to be measured does not receive signal or receives in this case
Number problem not being inconsistent with the signal that signal source sends.
For this reason, embodiments of the invention are monitored by the signal that full-vehicle control to be measured is received and judge, so that
Carry out fault alarm when there is above-mentioned situation.
S303, if do not met, will carry out fault alarm.
It should be noted that the embodiment of the present invention does not limit to the concrete mode of fault alarm.For example, can basis
The 3rd signal fault level different from the difference setting of preset rules, alarm sound, moment of torsion processing mode etc..Thus, can basis
3rd signal carries out corresponding warning with the situation that compares of preset rules.
S304, monitors the secondary signal that described Section Point receives, and it is described to judge whether described secondary signal meets
Preset rules.
S305, if it is determined that described secondary signal is consistent with described first signal.
Wherein, step S304-S305 is identical with step S202-S203 in embodiment illustrated in fig. 2, can refer to shown in Fig. 2
Embodiment.
It should be noted that in some embodiments of the invention, can be in determine that entire car controller to be measured receives the
Three signals meet execution step S304-S305 after preset rules, or, need not be to be measured according to the judged result of step S302
Entire car controller can forward signal in real time, and execution step S304-S305.
The emulation test method of the entire car controller of the embodiment of the present invention, by monitoring what entire car controller to be measured received
3rd signal, and judge whether the 3rd signal meets preset rules, to carry out fault alarm when not meeting preset rules, so that
Tester is pointed out, lifts test accuracy and efficiency.
Corresponding with the embodiment of the emulation test method of above-mentioned entire car controller, the present invention also proposes a kind of full-vehicle control
The simulation testing device of device.
Fig. 4 is the structural representation of the simulation testing device of the entire car controller according to one embodiment of the invention.
As shown in figure 4, the simulation testing device of entire car controller according to embodiments of the present invention, including：Control module
110th, the first monitoring modular 120, the first judge module 130 and determining module 140.
Specifically, control module 110 is used in the preset test environment of vehicle, controls first node according to preset rules
Send the first signal to entire car controller to be measured, so that Section Point is forwarded to by described entire car controller to be measured, wherein, described
First node is located in the first CAN, and described Section Point is located in the second CAN.
Wherein, preset test environment can any one operational mode of simulating vehicle obtain.For example, current survey
Drive mode that test ring border can be but not limited to simulate, trickle charge pattern, fast mold filling formula, in remote mode any one.
It should be noted that the embodiment of the present invention can be applicable to the HIL (Hardware-in-the- to entire car controller
Loop, hardware in loop) in emulation test system.
In one embodiment of the invention, in order to from many aspects cover to entire car controller forward signal when
Accuracy, can predefine signal generation rule, i.e. preset rules.Specifically, can be pre-build based on multiple signal characteristics
Signal generation rule, thus generate test signal (i.e. the first signal) to be forwarded according to this signal generation rule.Wherein, signal
Feature may include but be not limited to cycle, precision, enumerate regular (such as ascending order is enumerated, descending is enumerated) and extreme value (may include
Maximum and minimum of a value) etc..
Specifically, described control first node sends the first signal according to preset rules to entire car controller to be measured, can
First node is including but not limited to controlled to send the first signal according to one or more of rule to entire car controller to be measured：
Rule one
Described first node is controlled to send described first signal according to predetermined period to described entire car controller to be measured.
That is, each data point in the first signal be by first node according to predetermined period generate, and send to
Entire car controller to be measured.For example, the first signal includes 10 data points, and predetermined period is A_send_cycle, then and the
One node can generate a data point every time A_send_cycle, and sends to entire car controller to be measured, until 10 numbers
Strong point all sends to entire car controller to be measured.
Rule two
Described first node is controlled to send described first signal according to default precision to described entire car controller to be measured.
That is, the precision of each data point in the first signal is all default precision A_precision.Citing comes
Say, if default precision is 0.4, the value of each data point in the first signal is all 0.4 multiple, such as 0.4,
12.8.23.2,37.6 etc..
Rule three
Described first node is controlled to send described first signal according to default rule of enumerating to described entire car controller to be measured.
Wherein, enumerate the ordering rule for data point for the rule, for example, ascending order, descending or first ascending order again descending, first drop
Sequence ascending order etc. again.For example, if the data point in the first signal include 0,0.4,12.8,23.2,37.6 ...,
50th ..., 100, then according to the rule of ascending order or descending, these data points are sent to entire car controller to be measured, or,
These data points elder generation ascending order can also be arranged so that descending one time again, or by these data points elder generation descendings one time
Ascending order arranges one time again, sends to entire car controller to be measured.
For example, above-mentioned data point can enumerate rule transmission according to following：
0、0.4、12.8、23.2、37.6、……、50、……、100；
Or, 100 ..., 50 ..., 37.6,23.2,12.8,0.4,0；
Or, 0,0.4,12.8,23.2,37.6 ..., 50 ..., 100 ..., 50 ..., 37.6,23.2,
12.8、0.4、0；
Or, 100 ..., 50 ..., 37.6,23.2,12.8,0.4,0,0.4,12.8,23.2,37.6 ...,
50、……、100；Etc..
Rule four
Described first node is controlled to send described first signal according to default extreme value rule to described entire car controller to be measured.
Wherein, default extreme value rule defines maximum A_max of data point and/or minimum of a value A_min in the first signal.
When generating the first signal, the maximum of the first signal and minimum of a value need to meet this default extreme value rule, and that is, maximum is A_
Max, minimum of a value is A_min.
First monitoring modular 120 is used for monitoring the secondary signal that described Section Point receives.
First judge module 130 is used for judging whether described secondary signal meets described preset rules.
Determining module 140 is used for, when judging that described secondary signal meets described preset rules, determining described secondary signal
Consistent with described first signal.
If the first signal is accurately forwarded by entire car controller to be measured, the secondary signal that Section Point receives should be with
First signal is consistent, also complies with this preset rules.Therefore, can judge what Section Point received by the first judge module 130
Whether secondary signal meets this preset rules, judges that secondary signal is consistent with described first signal, so that it is determined that car load control to be measured
Whether device processed being capable of correct forward signal.
For example, believed with the first signal for electrokinetic cell remaining capacity SOC (State of Charge, state-of-charge)
As a example number, electrokinetic cell remaining capacity SOC signal is sent to VCU by the BMS node in CAN1 bus, and is forwarded by VCU
ICM (Ignition Control Module, ignition control module) to CAN2 bus, shows for instrument and uses.
Wherein, electrokinetic cell remaining capacity SOC signal generates and sends according to following rule：Transmission cycle 20ms；Maximum
Value is 100；Minimum of a value is 0；Data precision is 0.4.
After monitoring that ICM node receives signal, the first judge module 130 can judge to connect by the following aspects
Whether the signal receiving meets preset rules：
1st, the cycle of signal
Specifically, whether the cycle that can determine whether each data point in the signal that ICM node receives is 20ms, if
It is then to meet the corresponding rule of predetermined period, represent that the forwarding cycle of entire car controller to be measured is consistent with the cycle sending signal.
2nd, the precision of signal
Specifically, whether the precision that can test the signal that ICM node receives is 0.4, thus judging car load control to be measured
Whether device processed has the generation of precision loss or trueness error phenomenon when forwarding.
3rd, the extreme value of signal
The extreme value of signal includes maximum and minimum of a value.Specifically, the signal that ICM node receives can be tested respectively
Whether maximum is whether 100, minimum of a value is 0, to judge whether entire car controller to be measured correctly forwards extreme value when forwarding.
4th, signal enumerate rule
Specifically, can determine whether whether the order of each data point in the signal that ICM node receives is sent with BMS node
When sequence consensus.For example, if when BMS node sends enumerate data and its order be：0、0.4、12.8、23.2、
37.6 ... 50 ... 100 ... 50 ... 37.6,23.2,12.8,0.4,0, then judge data point that ICM node receives and
Whether its order is the same.Thus, whether can test same data point can be by car load control to be measured during ascending order and descending
Device processed correctly forwards.
If necessary to increase the coverage of test, then can increase phase respectively in the correspondence position during ascending order or descending
Same enumerates data point.
Thus, when secondary signal meets all preset rules of the first signal, then can determine that what Section Point received
Secondary signal is consistent with the first signal that first node sends, and then can determine that entire car controller forward signal to be measured is normal.Its
In at least one rule when not meeting, then secondary signal is inconsistent with the first signal, and entire car controller forward signal to be measured is abnormal,
And for abnormal signal, corresponding correction measure can be taken to entire car controller to be measured.
The simulation testing device of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
Fig. 5 is the structural representation of the simulation testing device of the entire car controller according to another embodiment of the present invention.
As shown in figure 5, the simulation testing device of entire car controller according to embodiments of the present invention, including：Control module
110th, the first monitoring modular 120, the first judge module 130, determining module 140, analog module 150, the second monitoring modular 160,
Second judge module 170 and fault alarm module 180.
Wherein, control module 110, the first monitoring modular 120, the first judge module 130 and determining module 140 and Fig. 4 institute
Show that embodiment is identical, can refer to embodiment illustrated in fig. 4.
Analog module 150 is used for the multiple operational modes according to vehicle, respectively simulating vehicle running environment, and respectively as
Described preset test environment.
In an embodiment of the present invention, in order to carry out more fully to the forwarding situation forwarding class signal to entire car controller
Test, can be directed to the different operational modes simulation test environment respectively of vehicle by analog module 150, and in each test environment
Tested respectively.
Wherein, the operational mode of vehicle may include but be not limited to drive mode, trickle charge pattern, fast mold filling formula, remote mode
At least one of.
Thus, it is possible to by simulating different travel condition of vehicle, to entire car controller under each state to forwarding class
The forwarding of signal is tested, and Test coverage degree is high, so that entire car controller can be under the different conditions of vehicle, forward signal
Can correctly send and receive, improve the software quality of entire car controller, and reduce the fault rate of entire car controller.
Second monitoring modular 160 is used for monitoring the 3rd signal that described entire car controller to be measured receives.
Second judge module 170 is used for judging whether described 3rd signal meets described preset rules.
After first node sends the first signal to entire car controller to be measured, can be right by the second monitoring modular 160
The signal that entire car controller to be measured receives is monitored, and the 3rd signal being monitored by the second judge module 170 judgement
Whether meet described preset rules.
If the carrier message being forwarded signal stops sending, lead to be forwarded signal and can not send according to the cycle or not
Can trigger according to the mode triggering in advance, the letter that full-vehicle control presence to be measured does not receive signal or receives in this case
Number problem not being inconsistent with the signal that signal source sends.
For this reason, embodiments of the invention are monitored by the signal that full-vehicle control to be measured is received and judge, so that
Carry out fault alarm when there is above-mentioned situation.
Fault alarm module 180 is used for, when described 3rd signal does not meet described preset rules, to carry out fault alarm.
It should be noted that the embodiment of the present invention does not limit to the concrete mode of fault alarm.For example, can basis
The 3rd signal fault level different from the difference setting of preset rules, alarm sound, moment of torsion processing mode etc..Thus, can basis
3rd signal carries out corresponding warning with the situation that compares of preset rules.
The simulation testing device of the entire car controller of the embodiment of the present invention, by monitoring what entire car controller to be measured received
3rd signal, and judge whether the 3rd signal meets preset rules, to carry out fault alarm when not meeting preset rules, so that
Tester is pointed out, lifts test accuracy and efficiency.
Corresponding with the embodiment of the emulation test method of above-mentioned entire car controller, the present invention also proposes a kind of full-vehicle control
The emulation test system of device.
Fig. 6 is the emulation test system structural representation of the entire car controller according to one embodiment of the invention.
As shown in fig. 6, the emulation test system of the entire car controller of the embodiment of the present invention, including：Entire car controller imitative
True test device 100 and entire car controller to be measured 200.
Wherein, the simulation testing device 100 of entire car controller can be the imitative of the entire car controller of any embodiment of the present invention
True test device.
Entire car controller 200 to be measured is used for receiving the described of described first node transmission, and is forwarded to described Section Point.
The emulation test system of the entire car controller of the embodiment of the present invention, by, in preset test environment, controlling first
First node in CAN sends the first signal according to preset rules to entire car controller to be measured, with by car load control to be measured
Device processed is forwarded to the Section Point in the second CAN, and according to Section Point receive secondary signal whether meet this preset
Rule come to determine entire car controller to be measured whether can correct forward signal, can be more fully right by the rule of default settings
Entire car controller is tested to the forwarding of signal, and Test coverage degree is more comprehensive, abundant, it is possible to increase test accuracy, fall
The risk of low real steering vectors, improves Consumer's Experience and user satisfaction.
Those skilled in the art, after considering specification and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or
Person's adaptations are followed the general principle of the present invention and are included the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It is described above and precision architecture illustrated in the accompanying drawings it should be appreciated that the invention is not limited in, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim.
Claims (11)
1. a kind of emulation test method of entire car controller is it is characterised in that comprise the following steps：
In the preset test environment of vehicle, first node is controlled to send the first letter according to preset rules to entire car controller to be measured
Number, to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located in the first CAN,
Described Section Point is located in the second CAN；
Monitor the secondary signal that described Section Point receives, and judge whether described secondary signal meets described preset rules；
If it is determined that described secondary signal is consistent with described first signal.
2. the method for claim 1 is it is characterised in that also include：
According to multiple operational modes of vehicle, distinguish simulating vehicle running environment, and respectively as described preset test environment.
3. the method for claim 1 is it is characterised in that controlling first node according to preset rules to car load control to be measured
After device processed sends the first signal, also include：
Monitor the 3rd signal that described entire car controller to be measured receives, and it is described default to judge whether described 3rd signal meets
Rule；
If do not met, fault alarm will be carried out.
4. the method for claim 1 it is characterised in that described control first node according to preset rules to car load to be measured
Controller sends the first signal, including one or more of：
Described first node is controlled to send described first signal according to predetermined period to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default precision to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default rule of enumerating to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default extreme value rule to described entire car controller to be measured.
5. the method as described in any one of claim 2-4 is it is characterised in that described operational mode includes drive mode, trickle charge
At least one of pattern, fast mold filling formula, remote mode.
6. a kind of simulation testing device of entire car controller is it is characterised in that include：
Control module, in the preset test environment of vehicle, controlling first node according to preset rules to car load control to be measured
Device processed sends the first signal, and to be forwarded to Section Point by described entire car controller to be measured, wherein, described first node is located at
In first CAN, described Section Point is located in the second CAN；
First monitoring modular, for monitoring the secondary signal that described Section Point receives；
First judge module, for judging whether described secondary signal meets described preset rules；
Determining module, for when judging that described secondary signal meets described preset rules, determine described secondary signal with described
First signal is consistent.
7. device as claimed in claim 6 is it is characterised in that also include：
Analog module, for the multiple operational modes according to vehicle, simulating vehicle running environment respectively, and works as respectively as described
Front test environment.
8. device as claimed in claim 6 is it is characterised in that also include：
Second monitoring modular, for monitoring the 3rd signal that described entire car controller to be measured receives；
Second judge module, for judging whether described 3rd signal meets described preset rules；
Fault alarm module, for when described 3rd signal does not meet described preset rules, carrying out fault alarm.
9. device as claimed in claim 6 it is characterised in that described control first node according to preset rules to car load to be measured
Controller sends the first signal, including one or more of：
Described first node is controlled to send described first signal according to predetermined period to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default precision to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default rule of enumerating to described entire car controller to be measured；
Described first node is controlled to send described first signal according to default extreme value rule to described entire car controller to be measured.
10. the device as described in any one of claim 7-9 is it is characterised in that described operational mode includes drive mode, trickle charge
At least one of pattern, fast mold filling formula, remote mode.
A kind of 11. emulation test systems of entire car controller are it is characterised in that include：
The simulation testing device of the entire car controller as described in any one of claim 6-10；And
Entire car controller to be measured, for receiving described in described first node transmission, and is forwarded to described Section Point.
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| CN106383511B (en) | 2019-02-22 |
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