CN116627114A - AMT gear shifting test method, system, electronic equipment and storage medium - Google Patents
AMT gear shifting test method, system, electronic equipment and storage medium Download PDFInfo
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- CN116627114A CN116627114A CN202310691758.3A CN202310691758A CN116627114A CN 116627114 A CN116627114 A CN 116627114A CN 202310691758 A CN202310691758 A CN 202310691758A CN 116627114 A CN116627114 A CN 116627114A
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- 238000010998 test method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 18
- 238000004088 simulation Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000012795 verification Methods 0.000 abstract description 10
- 238000011161 development Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 3
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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
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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
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Abstract
The application provides a test method, a system, electronic equipment and a storage medium for AMT gear shifting, and relates to the technical field of vehicles, wherein the test method comprises the following steps: determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor; establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value; controlling the TCU to output a driving signal; controlling the HIL gear shifting model to conduct instruction identification on the driving signal; and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction. The HIL test of AMT electric control gear shifting can be conveniently and efficiently completed. The method solves the problems that in the prior art, a certain specific test working condition is difficult to accurately reproduce, and the related strategy verification calibration work can be started only after the whole vehicle sample vehicle is manufactured, and the test cost is high.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a test method and system for AMT gear shifting, electronic equipment and a storage medium.
Background
Currently, electrically controlled mechanical automatic transmissions (Automated Manual Tansmission, AMT) are widely used. In order to ensure the product quality, the control strategy of the automatic gearbox control unit (Transmission ControlUnit, TCU) is fully verified in the development stage of the AMT model, and is a key ring of the development of the AMT model.
However, the following problems are encountered when the control strategy verification calibration of the TCU is performed on the whole vehicle: firstly, it is difficult to accurately reproduce a certain specific test condition; secondly, the related strategy verification calibration work can be started only after the whole vehicle sample vehicle is manufactured, so that the development period of the whole vehicle is not facilitated to be compressed; and again, the test cost is high on the whole vehicle. And relevant strategy development and verification are carried out on the power assembly test bench. Because the real transmission is arranged, the load dynamometer of the test board is required to have two requirements of high torque and high rotation speed, and the test board is high in cost, so that related strategy development and verification are required to be carried out on the HIL test board, namely hardware-in-loop test, and simulation test can be carried out on physical parts of the machine or the system, but at present, no model capable of well reflecting the physical characteristics of a gear shifting executing mechanism exists on the HIL.
Disclosure of Invention
The application provides a test method, a system, a device and electronic equipment for AMT gear shifting, which at least solve the technical problems in the related art.
According to an aspect of the embodiment of the application, there is provided a test method for gear shifting of an AMT, including: determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor; establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value; controlling the TCU to output a driving signal; controlling the HIL gear shifting model to conduct instruction identification on the driving signal; and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
Optionally, the controlling the HIL shift model to perform instruction recognition on the driving signal includes: acquiring the driving signal; integrating the driving signal; and driving the instruction according to the integral operation result.
Optionally, the creating the HIL shift model according to the gear selection boundary value and the shift boundary value includes: creating a gear shifting state model according to the gear selecting boundary value and the gear shifting boundary value; code compiling is carried out on the gear shifting state model; writing the code to the HIL device.
Optionally, the controlling the HIL shift model to simulate the state of the shift motor according to the identified driving instruction includes: acquiring an initial gear of a gear shifting motor; controlling the gear shifting motor to jump from an initial gear to an instruction gear; and acquiring real-time parameters in the jump process.
Optionally, the acquiring real-time parameters in the jump process includes: controlling the gear shifting model to output a gear simulation state in real time; controlling the gear shifting model to output a position sensor simulation value of a gear shifting motor in real time; and controlling the HIL equipment to output voltage according to the gear simulation state and the simulation value of the position sensor of the gear shifting motor.
Optionally, the controlling the HIL shift model to simulate the state of the shift motor according to the identified driving instruction further includes: judging whether the gear shifting motor is successful in gear shifting according to the output voltage; and if the gear shifting motor is not successful in gear shifting, controlling the TCU to output the driving signal again.
According to another aspect of the embodiment of the present application, there is further provided a test system for AMT gear shifting, which is applied to the test method for AMT gear shifting, where the test system includes an HIL device and a TCU that are connected, and an input port of the HIL device is connected to an output port of the TCU.
Optionally, the method further comprises: the boundary value determining module is used for determining a gear selection boundary value and a gear shifting boundary value according to the gear shifting motor position sensor; the model creation module is used for creating an HIL gear shifting model according to the gear selection boundary value and the gear shifting boundary value; the signal output module is used for controlling the TCU to output a driving signal; the instruction identification module is used for controlling the HIL gear shifting model to carry out instruction identification on the driving signal; and the simulation module is used for controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
According to still another aspect of the embodiments of the present application, there is provided an electronic device including a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory complete communication with each other through the communication bus, and the memory is configured to store a computer program; the processor is configured to execute the test method steps of the AMT shift by running the computer program stored on the memory.
According to a further aspect of an embodiment of the present application, there is provided a computer readable storage medium having a computer program stored therein, wherein the computer program is arranged to perform the test method steps of the AMT shift at run-time.
In the embodiment of the application, an AMT gear shifting test method is provided, and an HIL gear shifting model is created according to the gear selecting boundary value and the gear shifting boundary value; controlling the TCU to output a driving signal; controlling the HIL gear shifting model to conduct instruction identification on the driving signal; and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction. The HIL test of AMT electric control gear shifting can be conveniently and efficiently completed. The method solves the problems that in the prior art, a certain specific test working condition is difficult to accurately reproduce, and the related strategy verification calibration work can be started only after the whole vehicle sample vehicle is manufactured, and the test cost is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic flow diagram of an alternative AMT shift test method in accordance with an embodiment of the present application;
fig. 2 is a block diagram of an alternative electronic device in accordance with an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the prior art, the following problems are encountered when the control strategy verification calibration of the TCU is performed on the whole vehicle: firstly, it is difficult to accurately reproduce a certain specific test condition; secondly, the related strategy verification calibration work can be started only after the whole vehicle sample vehicle is manufactured, so that the development period of the whole vehicle is not facilitated to be compressed; and again, the test cost is high on the whole vehicle. And relevant strategy development and verification are carried out on the power assembly test bench. Because of the installation of the real transmission, the load dynamometer of the test bench is required to have two requirements of high torque and high rotation speed, so that the test bench is high in cost, related strategy development and verification are required to be carried out on the HIL test bench, and a model capable of well reflecting the physical characteristics of the gear shifting executing mechanism does not exist on the HIL at present.
Therefore, the application provides a test method for AMT gear shifting, which can solve the technical problems.
As shown in fig. 1, an embodiment of the present application provides a method for testing AMT gear shifting, including:
s1, determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor;
s2, establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value;
s3, controlling the TCU to output a driving signal;
s4, controlling the HIL gear shifting model to conduct instruction identification on the driving signal;
s5, controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
Specifically, when a gear shift is required to be tested, firstly determining a gear selection boundary value and a gear shift boundary value according to a gear shift motor position sensor, namely determining a boundary value during AMT gear shift so as to further establish a model, secondly, after establishing an HIL gear shift model, controlling a TCU to output a driving signal, and controlling the HIL gear shift model to identify instructions of the driving signal; and further controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction. The HIL test of the AMT electric control gear shifting is efficiently and conveniently realized.
Optionally, the controlling the HIL shift model to perform instruction recognition on the driving signal includes: acquiring the driving signal; integrating the driving signal; and driving the instruction according to the integral operation result.
Specifically, it should be understood that, for the TCU of the controller to be tested, the TCU generally drives the gear selecting and shifting motor to go up by outputting a gear selecting and shifting high-side PWM signal, drives the gear selecting and shifting motor to go down by outputting a gear selecting and shifting high-side PWM signal, drives the gear selecting and shifting motor to go left by outputting a gear selecting and shifting low-side PWM signal, and completes the desired gear engaging process. The driving signal can be subjected to integral operation and a driving instruction is driven according to the integral operation result, and further, for example, if a gear shifting high-side PWM signal is collected and the integral operation is carried out to reach 5, the driving instruction is shifted to 1 gear; if the gear shifting low-side PWM signal is acquired, carrying out integral operation to reach 5, and changing the driving instruction to 2 gears; if the selected gear high side PWM signal is collected and the integral operation is carried out to reach 5, the driving instruction is to shift to 3 gears; if the selected gear low-side PWM signal is collected and the integral operation is carried out to reach 5, the driving instruction is to shift to 4 gears.
Optionally, the creating the HIL shift model according to the gear selection boundary value and the shift boundary value includes: creating a gear shifting state model according to the gear selecting boundary value and the gear shifting boundary value; code compiling is carried out on the gear shifting state model; writing the code to the HIL device.
Optionally, the controlling the HIL shift model to simulate the state of the shift motor according to the identified driving instruction includes: acquiring an initial gear of a gear shifting motor; controlling the gear shifting motor to jump from an initial gear to an instruction gear; and acquiring real-time parameters in the jump process.
Optionally, the acquiring real-time parameters in the jump process includes: controlling the gear shifting model to output a gear simulation state in real time; controlling the gear shifting model to output a position sensor simulation value of a gear shifting motor in real time; and controlling the HIL equipment to output voltage according to the gear simulation state and the simulation value of the position sensor of the gear shifting motor.
It should be understood that, for example, the embodiment is based on a built gear shifting model of a four-gear AMT, when the collected voltage signal value of the gear selecting position of the gear selecting motor position sensor is 2.9-3.1V and the gear shifting motor is in the 3.15-3.25V interval, the AMT is considered to be already engaged with the first gear, and the corresponding gear shifting state model of the embodiment takes the intermediate value of the boundary value interval, and other gears and neutral gear states are the same as the value taking thought and are not repeated. It should be noted that, for the TCU, the intermediate state of each gear is a state definition of a position between a neutral gear and a gear in the gear shifting process, and is used for refining simulation accuracy of a model, and the value concept is the same as that described above.
Optionally, the controlling the HIL shift model to simulate the state of the shift motor according to the identified driving instruction further includes: judging whether the gear shifting motor is successful in gear shifting according to the output voltage; and if the gear shifting motor is not successful in gear shifting, controlling the TCU to output the driving signal again.
Specifically, for example, if the command is identified to switch to a first gear when the command is initially in a neutral gear, the TCU sends a gear-shifting high-side PWM signal, the HIL device receives and transmits a code running in the HIL through the IO interface, the identification process contained in the HIL device identifies as 1, the gear-shifting state model performs state jump according to the identification result, the neutral gear is switched to a first gear intermediate state, and corresponding gear state and a gear-selecting motor position sensor analog value are output in real time, the IO interface of the HIL device outputs a corresponding voltage according to the gear-selecting motor as the sensor analog value, that is, the gear-selecting motor position sensor is kept at 3.0V from 3.0V, and the gear-shifting motor position sensor is kept at 3.0V to 3.1V; at the moment, the TCU acquires the corresponding voltage output by the HIL, judges that the gear is not successfully engaged, and can send the TCU to send a gear-shifting high-side PWM signal again under a proper condition; when the first gear intermediate state is switched to the first gear state, the gear selecting motor position sensor is kept at 3.0V by 3.0V, the gear shifting motor position sensor is kept at 3.1V to 3.2V, the TCU acquires a voltage value to identify that the first gear is hung up, the driving is not carried out, the code state in the HIL is kept, and the next TCU control instruction is waited.
According to another aspect of the embodiment of the present application, there is further provided a test system for AMT gear shifting, where the test system includes an HIL device and a TCU connected to each other, and an input port of the HIL device is connected to an output port of the TCU.
Optionally, the method further comprises: the boundary value determining module is used for determining a gear selection boundary value and a gear shifting boundary value according to the gear shifting motor position sensor; the model creation module is used for creating an HIL gear shifting model according to the gear selection boundary value and the gear shifting boundary value; the signal output module is used for controlling the TCU to output a driving signal; the instruction identification module is used for controlling the HIL gear shifting model to carry out instruction identification on the driving signal; and the simulation module is used for controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
Fig. 2 is a block diagram of an alternative electronic device, according to an embodiment of the application, as shown in fig. 2, including a processor 202, a communication interface 204, a memory 206, and a communication bus 208, wherein the processor 202, the communication interface 204, and the memory 206 communicate with each other via the communication bus 208, wherein,
a memory 206 for storing a computer program;
the processor 202 is configured to execute the computer program stored in the memory 206, and implement the following steps:
determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor;
establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value;
controlling the TCU to output a driving signal;
controlling the HIL gear shifting model to conduct instruction identification on the driving signal;
and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
According to still another aspect of the embodiment of the present application, there is further provided an electronic device of a test method for AMT gear shifting, where the electronic device may be a server, a terminal, or a combination thereof.
Alternatively, in the present embodiment, the above-described communication bus may be a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus, or an EISA (Extended Industry Standard Architecture ) bus, or the like. The communication bus may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, only one thick line is shown in fig. 2, but not only one bus or one type of bus.
The communication interface is used for communication between the electronic device and other devices.
The memory may include RAM or may include non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
Other module units in the test system for shifting AMT may be included but are not limited to, which are not described in detail in this example.
According to yet another aspect of an embodiment of the present application, there is also provided a storage medium. Alternatively, in the present embodiment, the above-described storage medium may be used for program code of a test method for executing an AMT shift.
Alternatively, in this embodiment, the storage medium may be located on at least one network device of the plurality of network devices in the network shown in the above embodiment.
Alternatively, in the present embodiment, the storage medium is configured to store program code for performing the steps of:
determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor;
establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value;
controlling the TCU to output a driving signal;
controlling the HIL gear shifting model to conduct instruction identification on the driving signal;
and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
Specific examples in this embodiment may refer to examples described in the above embodiments, and this will not be described in detail in this embodiment.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: various media capable of storing program codes, such as a U disk, ROM, RAM, a mobile hard disk, a magnetic disk or an optical disk.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The integrated units in the above embodiments may be stored in the above-described computer-readable storage medium if implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing one or more electronic devices (which may be personal computers, servers or network devices, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In several embodiments provided by the present application, it should be understood that the disclosed client may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, such as the division of the units, is merely a logical function division, and may be implemented in another manner, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution provided in the present embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.
Claims (10)
1. A method for testing gear shifting of an AMT, comprising:
determining a gear selection boundary value and a gear shifting boundary value according to a gear shifting motor position sensor;
establishing an HIL gear shifting model according to the gear selecting boundary value and the gear shifting boundary value;
controlling the TCU to output a driving signal;
controlling the HIL gear shifting model to conduct instruction identification on the driving signal;
and controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
2. The AMT shift test method of claim 1, wherein said controlling said HIL shift model to command identification of said drive signal comprises:
acquiring the driving signal;
integrating the driving signal;
and identifying a driving instruction according to the integral operation result.
3. The AMT shift test method according to claim 1, wherein said creating a HIL shift model according to said gear selection boundary value and said shift boundary value comprises:
creating a gear shifting state model according to the gear selecting boundary value and the gear shifting boundary value;
code compiling is carried out on the gear shifting state model;
writing the code to the HIL device.
4. The AMT shift test method of claim 1, wherein said controlling said HIL shift model to simulate a shift motor state according to an identified driving command comprises:
acquiring an initial gear of a gear shifting motor;
controlling the gear shifting motor to jump from an initial gear to an instruction gear;
and acquiring real-time parameters in the jump process.
5. The test method of AMT shift according to claim 4, wherein said obtaining real-time parameters in jump comprises:
controlling the gear shifting model to output a gear simulation state in real time;
controlling the gear shifting model to output a position sensor simulation value of a gear shifting motor in real time;
and controlling the HIL equipment to output voltage according to the gear simulation state and the simulation value of the position sensor of the gear shifting motor.
6. The AMT shift test method of claim 5, wherein said controlling said HIL shift model to simulate shift motor state according to identified driving instructions further comprises:
judging whether the gear shifting motor is successful in gear shifting according to the output voltage;
and if the gear shifting motor is not successful in gear shifting, controlling the TCU to output the driving signal again.
7. A test system for AMT gear shifting, characterized in that it is applied to the test method for AMT gear shifting according to any one of claims 1-6, said test system comprising a connected HIL device and a TCU, an input port of said HIL device being connected to an output port of said TCU.
8. The AMT shift testing system of claim 7, further comprising:
the boundary value determining module is used for determining a gear selection boundary value and a gear shifting boundary value according to the gear shifting motor position sensor;
the model creation module is used for creating an HIL gear shifting model according to the gear selection boundary value and the gear shifting boundary value;
the signal output module is used for controlling the TCU to output a driving signal;
the instruction identification module is used for controlling the HIL gear shifting model to carry out instruction identification on the driving signal;
and the simulation module is used for controlling the HIL gear shifting model to simulate the state of the gear shifting motor according to the identified driving instruction.
9. An electronic device comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus, characterized in that,
the memory is used for storing a computer program;
the processor is configured to execute the test method steps of the AMT shift of any one of claims 1 to 6 by running the computer program stored on the memory.
10. A computer-readable storage medium, characterized in that the storage medium has stored therein a computer program, wherein the computer program is arranged to execute the test method steps of the AMT shift of any one of claims 1 to 6 when run.
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| CN202310691758.3A CN116627114A (en) | 2023-06-12 | 2023-06-12 | AMT gear shifting test method, system, electronic equipment and storage medium |
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| CN202310691758.3A CN116627114A (en) | 2023-06-12 | 2023-06-12 | AMT gear shifting test method, system, electronic equipment and storage medium |
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