CN106774260B - The automatic test approach and its system of on-board air conditioner controller - Google Patents
The automatic test approach and its system of on-board air conditioner controller Download PDFInfo
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- CN106774260B CN106774260B CN201611198474.7A CN201611198474A CN106774260B CN 106774260 B CN106774260 B CN 106774260B CN 201611198474 A CN201611198474 A CN 201611198474A CN 106774260 B CN106774260 B CN 106774260B
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- air conditioner
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- conditioner 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention discloses a kind of automatic test approach of on-board air conditioner controller, include: by master control system construct and parse test case, by digital circuit send test case setting signal of communication and control instruction to on-board air conditioner controller, adopt control unit and test power supply；On-board air conditioner controller simulates human-computer interaction function, and periodic feedback oneself state is to master control system；The every input signal for adopting control unit control peripheral components collection acquires and feeds back the output state information of peripheral components collection to master control system；It tests power supply and corresponding power pulse is exported according to the control instruction of master control system, and fed power supplies status information is to master control system；Master control system receives feedback signal by digital circuit, determines and outputs test result according to the feedback signal.The present invention also provides a kind of Auto-Test Systems of on-board air conditioner controller.Implement technical solution provided by the invention, the testing time can be reduced, effectively improve test coverage and efficiency.
Description
Technical field
The present invention relates to mobile unit the field of test technology more particularly to a kind of automatic test sides of on-board air conditioner controller
Method and its system.
Background technique
Functional test is most time-consuming expense in the important link and testing process for guarantee on-board air conditioner controller quality
The part of power.The traditional test methods of existing on-board air conditioner controller are artificial manual test, at present in industry not yet at
Ripe, general Auto-Test System specification, automatization testing technique are and automatic with air-conditioner controller also there are no being widely used
Relevant patent is tested all just for " domestic air conditioning ".And mounted air conditioner system and domestic air-conditioning system are two different products
Form, other than refrigeration principle is identical, the communication technology, in terms of few identical points, therefore two kinds automatic are surveyed
Technology used in test system also will be different.
Test case is formulated according to controller function operation instructions in the test process of existing on-board air conditioner controller
And testing scheme is set, since test whole process needs technical staff to carry out comprehensively using testing tool to automotive air-conditioning controller
It checks and tests, guarantee the normal operation of automotive air-conditioning controller, not only the testing time is long, and largely occupies human resources,
The efficiency of test is lower.And existing art solutions only test corresponding functional module, and do not consider vehicle
Air-conditioner controller is carried to all kinds of buses, dependence including CAN, LIN, UART etc., moreover, also having ignored to automobile industry specification
In essential power pulse test.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of automatic test technology scheme of on-board air conditioner controller,
The time required to reducing test, testing cost is reduced, the coverage rate and efficiency of test function are improved.
In order to solve the above technical problems, on the one hand, the embodiment of the present invention provides a kind of automatic survey of on-board air conditioner controller
Method for testing, comprising:
Test case is constructed and parsed by master control system, and the communication of the test case setting is sent by digital circuit
Signal and control instruction to on-board air conditioner controller, adopt control unit and test power supply；
The on-board air conditioner controller and peripheral components collection construct mounted air conditioner system, according to the communication of the master control system
Signal and control instruction simulate human-computer interaction function, and periodic feedback oneself state gives the master control system；
The control unit of adopting is connect by analog line with the peripheral components collection, and the items of the peripheral components collection are controlled
Input signal, acquire and feed back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding power pulse by analog line according to the control instruction of the master control system
To the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system is by adopting control unit, the on-board air conditioner controller and the test described in digital circuit reception
The feedback signal of power supply determines and outputs test result according to the feedback signal.
Further, functional module is equipped in the on-board air conditioner controller, and independently of the inner function module
Internal test modules.
Preferably, the master control system by building and parses the test case, to the on-board air conditioner controller
Function is inside circularly set to be tested.
Preferably, the master control system by building and parses the test case, to the on-board air conditioner controller
Fault diagnosis functions are tested.
Preferably, the master control system writes the test case by building and parsing, to the on-board air conditioner controller
Power initiation function tested.
On the other hand, the embodiment of the invention also provides a kind of Auto-Test Systems of on-board air conditioner controller, comprising: main
Control system, peripheral components collection, adopts control unit and test power supply at on-board air conditioner controller；
Master control system sends signal of communication and control instruction extremely by digital circuit for constructing and parsing test case
The on-board air conditioner controller, described adopt control unit and the test power supply；
The on-board air conditioner controller and the peripheral components collection construct mounted air conditioner system, for according to the master control system
The signal of communication and control instruction of system simulate human-computer interaction function, and periodic feedback oneself state gives the master control system；
It is described to adopt control unit, it is connect by analog line with the peripheral components collection, for controlling the peripheral components collection
Every input signal, acquire and feed back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding electricity by analog line for the control instruction according to the master control system
Source pulse is to the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system, be also used to receive by digital circuit described in adopt control unit, the on-board air conditioner controller and
The feedback signal of the test power supply, determines and outputs test result according to the feedback signal.
Further, functional module is equipped in the on-board air conditioner controller, and independently of the inner function module
Internal test modules.
Preferably, the master control system by building and parses the test case, is also used to the on-board air conditioner control
Function is circularly set in device processed to be tested.
Preferably, the master control system by building and parses the test case, is also used to the on-board air conditioner control
The fault diagnosis functions of device processed are tested.
Preferably, the master control system writes the test case by building and parsing, is also used to the on-board air conditioner
The power initiation function of controller is tested.
The automatic test technology scheme of on-board air conditioner controller provided in an embodiment of the present invention passes through the vehicle-mounted sky of equipment under test
It adjusts controller (HVAC) and the simulation of peripheral components collection to construct entire mounted air conditioner system, adopts the control entire on-board air conditioner system of monitoring units
The output signal of system and the input signal for controlling mounted air conditioner system, test power supply simulated automotive power supply, and master control system controls vehicle
Air-conditioning system is carried to run and test its function.The connection type of the modules of test macro divides rigid line (analog line) and bus
(digital circuit), master control system send corresponding signal of communication and control instruction to the component part of test macro by bus,
And the status information fed back by each functional module is received based on bus, master control system according to equipment under test, adopt control unit, test
The feedback states and bus communication signal determining test result of power supply simultaneously export, and whole process explains acquisition according to test case
Signal of communication and control instruction execute automatically, be not necessarily to artificial Attended Operation, test speed is fast, accuracy is high, and can be according to reality
Border needs to realize the test of different function module and route by rewriting test case, effectively improves the survey of on-board air conditioner controller
Efficiency and coverage rate are tried, testing cost is reduced.
Detailed description of the invention
Fig. 1 is the structural representation of one embodiment of the Auto-Test System of on-board air conditioner controller provided by the invention
Figure.
Fig. 2 is the internal structure signal provided by the present invention for one embodiment of the on-board air conditioner controller of test
Figure.
Fig. 3 is the step process of one embodiment of the automatic test approach of on-board air conditioner controller provided by the invention
Figure.
Fig. 4 is provided by the invention to show to being circularly set the step process that function is tested in on-board air conditioner controller
It is intended to.
Fig. 5 is the step process signal that the fault diagnosis functions provided by the invention to on-board air conditioner controller are tested
Figure.
Fig. 6 is the step process signal that the fault diagnosis functions provided by the invention to on-board air conditioner controller are tested
Figure.
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 the structure of one embodiment of the Auto-Test System of on-board air conditioner controller provided by the invention referring to Fig. 1
Schematic diagram.
In the present embodiment, the Auto-Test System of the on-board air conditioner controller, comprising: master control system 10, vehicle-mounted
Air-conditioner controller 20, peripheral components collection 30 adopt control unit 40 and test power supply 50.
Wherein, master control system 10 pass through digital circuit (also commonly known as " bus ") for constructing and parsing test case
It sends signal of communication and control instruction to the on-board air conditioner controller 20, described adopt and controls unit 40 and the test power supply 50.
The on-board air conditioner controller 20 constructs mounted air conditioner system with the peripheral components collection 30, for according to the master
The signal of communication and control instruction of control system 10 simulate human-computer interaction function, and periodic feedback oneself state gives the master control system
System 10；
It is described to adopt control unit 40, it is connect by analog line with the peripheral components collection 30, for controlling the peripheral device
Every input signal of part collection 30 acquires and feeds back the output state information of the peripheral components collection 30 to the master control system
10；
The test power supply 50 is answered for the control instruction according to the master control system 10 by analog line output phase
Power pulse to the on-board air conditioner controller 20 and the peripheral components collection 30, and fed power supplies status information is to the master
Control system 10；
The master control system 10, be also used to receive by digital circuit described in adopt control unit 40, the on-board air conditioner control
The feedback signal of device 20 and the test power supply 50, determines and outputs test result according to the feedback signal.
When it is implemented, peripheral components collection 30 integrates all peripheral components of equipment under test on-board air conditioner controller 20, mention
For standard hardware interface, including but not limited to air blower, mode motor, mixed wind turbine, inner-outer circulation motor, temperature sensor etc.
All peripheral components needed for on-board air conditioner controller 20, with the actual operating state of real simulation building mounted air conditioner system.
The connection type of system may include rigid line and bus two ways.Wherein, if bus refers in particular to transmission digital signal
Dry digital circuit (such as: CAN bus, LIN bus, UART bus), rigid line refers to nonnumeric signal (i.e. analog signal) transmission line.
Standard hardware interface in Fig. 1 embodiment refers to the equipment under test external interface of compatible all models, and the definition of each pin
The connector collection all remained unchanged.
In the present embodiment, master control system 10 parse test case, by test case be converted to corresponding control instruction and
Signal of communication.Wherein, the control instruction by digital circuit pass to on-board air conditioner controller 20, adopt control unit 40, test
Power supply 50 and peripheral components collection 30；The signal of communication refers on simulated automotive communication network except equipment under test 20 and peripheral device
The signal that device node (such as: BCM, EMS, TGW) except part collection 30 issues.Test 50 periodic feedback power supply status of power supply
Information is to master control system 10；Receive the control instruction of master control system 10 simultaneously, control export the voltage, electric current, pulse specified to
Peripheral components collection 30 and on-board air conditioner controller 20；On-board air conditioner controller 20 is given also through bus cycles property feedback oneself state
Master control system 10；The output state for adopting the periodically acquisition peripheral components collection 30 of control unit 40, feeds back to master by bus cycles property
Control system 10；The control instruction of master control system 10, every input of control peripheral components collection 30 are received simultaneously.Therefore, entire to survey
Examination process is automatic test, is not necessarily to manual control, and accuracy and testing efficiency are high.
When it is implemented, in the present embodiment, on-board air conditioner controller 20 is used as equipment under test, interior to be equipped with function mould
Block, and the internal test modules independently of the inner function module.
As shown in Fig. 2, being the internal junction provided by the present invention for one embodiment of the on-board air conditioner controller of test
Structure schematic diagram.
In test macro provided by the invention, the internal test modules in on-board air conditioner controller 20 are for receiving master control
The various tests instruction and corresponding data that system 10 issues, it should be noted that since internal test modules are independently of vehicle-mounted
Other function module inside air-conditioner controller 20, without installing the survey in the on-board air conditioner controller 20 of practical volume production application
Die trial block only installs the test module in this test macro.
Preferably, master control system 10 by building and parses the test case, is specifically used for the on-board air conditioner control
Function, fault diagnosis functions, power initiation function is circularly set in device processed to be tested.
Referring to Fig. 3, be on-board air conditioner controller provided by the invention one embodiment of automatic test approach the step of
Flow chart.
The on-board air conditioner that the automatic test approach and Fig. 1 embodiment for the on-board air conditioner controller that Fig. 3 embodiment provides provide
The principle of the Auto-Test System of controller is identical, mainly comprises the steps that
Step S301: being constructed and parsed test case by master control system 10, is sent the test by digital circuit and is used
Example setting signal of communication and control instruction to on-board air conditioner controller 20, adopt control unit 40 and test power supply 50；
Step S302: the on-board air conditioner controller 20 constructs mounted air conditioner system with peripheral components collection 30, according to described
The signal of communication and control instruction of master control system 10 simulate human-computer interaction function, and periodic feedback oneself state gives the master control
System 10；
Step S303: the control unit 40 of adopting is connect by analog line with the peripheral components collection 30, is controlled described outer
Every input signal of peripheral device collection 30 acquires and feeds back the output state information of the peripheral components collection 30 to the master control
System 10；
Step S304: the test power supply 50 is exported according to the control instruction of the master control system 10 by analog line
Corresponding power pulse is to the on-board air conditioner controller 20 and the peripheral components collection 30, and fed power supplies status information is to institute
State master control system 10；
Step S305: the master control system 10 is by adopting control unit 40, the on-board air conditioner control described in digital circuit reception
The feedback signal of device 20 processed and the test power supply 50, determines and outputs test result according to the feedback signal.
It should be noted that above step label is used only as distinguishing each step, not to the sequencing of each step
Considered critical is carried out, for example, step S302, S303 and step S304 can be needed according to actual test and be executed parallel.
When it is implemented, being equipped with functional module in the on-board air conditioner controller 20, and independently of the built-in function
The internal test modules of module.
In a kind of achievable mode, the master control system 10 is by building and parses the test case, to described
Function is circularly set in on-board air conditioner controller 20 to be tested.
It is provided by the invention to being circularly set the step of function is tested in on-board air conditioner controller referring to Fig. 4
Flow diagram.
It is that man-machine interactive testing object is described to be circularly set function in air-conditioning, mainly comprises the steps that
Step S401: master control system 10 sends " interior circulation key command " to equipment under test (vehicle-mounted sky according to test case
Adjust controller) 20, and, power supply control instruction (for example, " constant pressure 14V output ") is sent to test power supply 50；
Step S402: test power supply 50 receives power supply control instruction, exports predeterminated voltage (such as 14V)；
Step S403: equipment under test 20 receives " interior circulation key command ", is analyzed the instruction by internal test modules and is called
Interior circulation key function interface in functional module, while inner-outer circulation state variable in internal test modules read functions module
It is worth and encapsulates, via bus feedback to master control system 10.
Step S404: adopting the position feedback voltage that control unit 40 detects inner-outer circulation motor in peripheral components collection 30, according to
Transport protocol is encapsulated, and feeds back to master control system 10 via digital circuit；
Step S405: master control system 10 checks whether the inner-outer circulation state of equipment under test is interior circulation, is followed inside and outside inspection
Whether the position feedback voltage of ring motor is interior cyclical voltage value, tests and passes through if being all satisfied condition, finally output test
Information.
Similarly, it should be noted that above step label is used only as distinguishing each step, not to the successive of each step
Sequence carries out considered critical, for example, step S403 and step S404 can be needed according to actual test and be executed parallel.
Equally, as shown in Fig. 2 embodiment, the internal test modules of on-board air conditioner controller 20 should be independently of other function mould
Block, and the operation of other function module cannot be influenced.
In another achievable mode, the master control system 10 is by building and parses the test case, to institute
The fault diagnosis functions for stating on-board air conditioner controller 20 are tested.
It is the step of fault diagnosis functions provided by the invention to on-board air conditioner controller are tested stream referring to Fig. 5
Journey schematic diagram.
The CAN bus based UDS 19H of the embodiment services (being detailed in ISO14229) agreement, it is assumed that equipment under test is (vehicle-mounted
Air-conditioner controller) DTC (diagnostic trouble code) writing function that evaporator temperature sensor input is shorted to ground is realized in 20, because
This, this implementation tests the diagnostic function, and testing procedure specifically includes that
Step S501: master control system 10 sends evaporator temperature sensor 0V according to test case and instructs to adopting control unit
40, it sends power supply control instruction (for example, " constant pressure 14V output ") and gives test power supply 50, send diagnostic trouble code DTC read requests
Message is to equipment under test 20；
Step S502: test power supply 50 receives power supply control instruction, exports predeterminated voltage (such as 14V)；
Step S503: it adopts control unit 40 and receives evaporator temperature sensor 0V instruction, export 0V voltage to equipment under test 20
Evaporator temperature sensor input interface；
Step S504: equipment under test 20 receives diagnostic trouble code DTC read requests message, executes diagnosis request, issues
Diagnostic response message；
Step S505: master control system 10 judges whether be shorted comprising evaporator temperature sensor input in diagnostic response message
To the diagnostic trouble code DTC information on ground；If so, the test case passes through；If it is not, then the test case fails；Finally export
Test information.
In another achievable mode, the master control system 10 writes the test case by building and parsing, right
The power initiation function of the on-board air conditioner controller 20 is tested.
It is the step of fault diagnosis functions provided by the invention to on-board air conditioner controller are tested stream referring to Fig. 6
Journey schematic diagram.
The embodiment is described so that starting impulse tests (being detailed in ISO16750-2) as an example, and main testing procedure is such as
Under:
Step S601: master control system 10 sends power-on instruction to equipment under test 20 according to test case, sends power supply control
" constant pressure 14V output " is instructed to give test power supply 50；
Step S602: test power supply 50 receives instruction, exports 14V voltage；
Step S603: equipment under test 20 receives power-on instruction and enters normal operating conditions；
Step S604: master control system 10 instructs according to test case transmission starting impulse and gives test power supply 50；
Step S605: test power supply 50 receives starting impulse instruction, exports starting impulse；
Step S606: delay waits starting impulse output to finish；
Step S607: master control system 10 sends power supply control instruction " constant pressure 14V output " and gives test power supply 50；
Step S608: test power supply 50 receives instruction, exports 14V voltage；
Step S609: it adopts control unit 40 and detects the actuators such as air blower in peripheral components collection 30, mode motor, mixed wind turbine
Feedback signal, be encapsulated according to transport protocol, via bus feedback to master control system 10；
Step S610: equipment under test 20 by internal test modules reading equipment under test (as shown in Figure 2) to air blower, mould
The state of a control of formula motor, mixed wind turbine, by bus feedback to master control system 10；
Step S611: master control system 10 judges that equipment under test is to the state of a control of actuator and actuator virtual condition
It is no consistent, output test result and tests information.
The automatic test technology scheme of on-board air conditioner controller provided in an embodiment of the present invention passes through the vehicle-mounted sky of equipment under test
It adjusts controller (HVAC) and the simulation of peripheral components collection to construct entire mounted air conditioner system, adopts the control entire on-board air conditioner system of monitoring units
The output signal of system and the input signal for controlling mounted air conditioner system, test power supply simulated automotive power supply, and master control system controls vehicle
Air-conditioning system is carried to run and test its function.The connection type of the modules of test macro divides rigid line (analog line) and bus
(digital circuit), master control system send corresponding signal of communication and control instruction to the component part of test macro by bus,
And the status information fed back by each functional module is received based on bus, master control system according to equipment under test, adopt control unit, test
The feedback states and bus communication signal determining test result of power supply simultaneously export, and whole process explains acquisition according to test case
Signal of communication and control instruction execute automatically, be not necessarily to artificial Attended Operation, test speed is fast, accuracy is high, and can be according to reality
Border needs to realize the test of different function module and route by rewriting test case, effectively improves the survey of on-board air conditioner controller
Efficiency and coverage rate are tried, testing cost is reduced.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of automatic test approach of on-board air conditioner controller characterized by comprising
Test case is constructed and parsed by master control system, and the signal of communication of the test case setting is sent by digital circuit
And control instruction to on-board air conditioner controller, adopt control unit and test power supply；
The on-board air conditioner controller and peripheral components collection construct mounted air conditioner system, according to the signal of communication of the master control system
And control instruction simulates human-computer interaction function, and periodic feedback oneself state gives the master control system；
The control unit of adopting is connect by analog line with the peripheral components collection, and the defeated of the items of the peripheral components collection is controlled
Enter signal, acquire and feeds back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding power pulse to institute by analog line according to the control instruction of the master control system
State on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system is by adopting control unit, the on-board air conditioner controller and the test power supply described in digital circuit reception
Feedback signal, according to the feedback signal determine and output test result.
2. the automatic test approach of on-board air conditioner controller as described in claim 1, which is characterized in that the on-board air conditioner control
Inner function module, and the internal test modules independently of the inner function module are equipped in device processed.
3. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, which is characterized in that the master control system
System is by building and parses the test case, tests function is circularly set in the on-board air conditioner controller.
4. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, which is characterized in that the master control system
System is by building and parses the test case, tests the fault diagnosis functions of the on-board air conditioner controller.
5. the automatic test approach of on-board air conditioner controller as claimed in claim 1 or 2, which is characterized in that the master control system
System writes the test case by building and parsing, tests the power initiation function of the on-board air conditioner controller.
6. a kind of Auto-Test System of on-board air conditioner controller characterized by comprising master control system, on-board air conditioner control
Device, peripheral components collection adopt control unit and test power supply；
Master control system sends signal of communication and control instruction to described by digital circuit for constructing and parsing test case
On-board air conditioner controller, described adopt control unit and the test power supply；
The on-board air conditioner controller and the peripheral components collection construct mounted air conditioner system, for according to the master control system
Signal of communication and control instruction simulate human-computer interaction function, and periodic feedback oneself state gives the master control system；
It is described to adopt control unit, it is connect by analog line with the peripheral components collection, for controlling each of the peripheral components collection
Input signal, acquire and feed back the output state information of the peripheral components collection to the master control system；
The test power supply exports corresponding power supply arteries and veins by analog line for the control instruction according to the master control system
Punching is to the on-board air conditioner controller and the peripheral components collection, and fed power supplies status information is to the master control system；
The master control system, be also used to receive by digital circuit described in adopt control unit, the on-board air conditioner controller and described
The feedback signal for testing power supply determines and outputs test result according to the feedback signal.
7. the Auto-Test System of on-board air conditioner controller as claimed in claim 6, which is characterized in that the on-board air conditioner control
Inner function module, and the internal test modules independently of the inner function module are equipped in device processed.
8. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, which is characterized in that the master control system
System is by building and parses the test case, is also used to survey to being circularly set function in the on-board air conditioner controller
Examination.
9. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, which is characterized in that the master control system
System is by building and parses the test case, is also used to survey the fault diagnosis functions of the on-board air conditioner controller
Examination.
10. the Auto-Test System of on-board air conditioner controller as claimed in claims 6 or 7, which is characterized in that the master control system
System writes the test case by building and parsing, is also used to survey the power initiation function of the on-board air conditioner controller
Examination.
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| CN107885186B (en) * | 2017-09-30 | 2020-06-19 | 惠州市德赛西威汽车电子股份有限公司 | Automatic testing method and system for man-machine interaction function of automobile air conditioner controller |
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