CN104503424A - New energy automobile overall controller and battery controller joint test system - Google Patents
New energy automobile overall controller and battery controller joint test system Download PDFInfo
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- CN104503424A CN104503424A CN201410677125.8A CN201410677125A CN104503424A CN 104503424 A CN104503424 A CN 104503424A CN 201410677125 A CN201410677125 A CN 201410677125A CN 104503424 A CN104503424 A CN 104503424A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
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Abstract
The invention relates to the technical field of new energy automobiles, and provides a new energy automobile overall controller and battery controller joint test system, which comprises an upper computer, a hub, an overall controller test cabinet, a battery controller test cabinet, an overall controller fault injection box, a battery controller fault injection box, an overall controller and a battery controller. Tedious steps for testing pins of the overall controller and the battery controller manually one by one can be avoided, and thus the test cycle can be greatly shortened; the problem that when a closed-loop test is carried out on the overall controller or the battery controller alone, the problem that a communication function test between a real controller and a virtual controller is incomplete can be solved; the problem that test accuracy of the controller is influenced when the closed-loop test is carried out on the overall controller or the battery controller alone can be solved; and a problem exposed can be timely found out and handled, the product quality is effectively enhanced, the product test cycle is shortened, and enterprise cost is saved.
Description
Technical field
The present invention relates to technical field of new energy, be specifically related to a kind of controller of new energy automobile and battery controller combined test system, for carrying out joint test to the entire car controller in new-energy automobile and battery controller.
Background technology
Along with the progress of society and the raising of people's living standard, the purchasing demand of people to automobile is more and more higher, so that China's automobile volume of production and marketing increases rapidly.People enjoy that automobile brings simultaneously easily, run into some more and more insupportable problems, as haze phenomenon is frequent all the more, the concentration of PM2.5 is increasing, and 50% of urban air pollution source is vehicle exhaust now.In this case, new-energy automobile is ready to appear, and the R&D direction of Ge great car load factory also tilts to new-energy automobile gradually.It is few that pure electric automobile not only consumes the energy, but also obtain extensive accreditation with the advantage of zero-emission.Therefore, in order to promote new-energy automobile industry better, a large amount of tests must be carried out to the performance of controller important in new-energy automobile and reliability, to ensure the security of vehicle.
Present stage, the common method of car load factory test controller is:
1. be that controller is powered with 12V power supply, by demarcating the validity of test controller output port to controller internal processes;
2. pair controller analog input interface is tested, and outside utilizes sensor to this controller input signal, by monitoring software observation controller built-in variable, checks that whether analog input is effective;
3. pair controller digital-quantity input interface is tested, 12V positive source is connected on switch one end, the switch other end is connected in controller digital-quantity input interface, opening and closing operations is carried out to switch, constantly give low and high level to controller, check that whether controller digital-quantity input interface is effective by monitoring software;
4. the transmitting-receiving of test controller power controller LAN (PT-CAN) interface, by network analysis testing tool CANalyer is connected on the PT-CAN interface of tested controller, in simulation PT-CAN, other controller nodes send information to tested controller, check that tested controller whether has response.
Can find out, this method of testing is very loaded down with trivial details, if have 100 interfaces to calculate by controller, only before test, wire harness prepares, sensor preparation etc., will take a long time, add and test one by one each interface, further increase the test period of controller, the time is the life of car load factory, this method of testing not only increases the operation cost of enterprise, has more delayed the release time of new product.
Indivedual car load factory upgrades in the method for original test controller, carries out closed loop test to single controller.For independent controller closed loop test system, in order to set up the complete test environment of single controller, need additionally to set up Virtual Controller, such test has obvious limitation:
1. cannot communication coordination function between complete test real controllers and another real controllers be associated, can only simulate by hardware closed-loop simulator the controller be associated and carry out indirect verification;
2. it is accurate that the function that cannot be associated with Virtual Controller to tested controller carries out test, because Virtual Controller simplifies the function of former real controllers, when testing, there is deviation with truth, causes testing out of true.
Summary of the invention
The technical problem to be solved in the present invention is: existing controller test system can not reproduce the real work situation of entire car controller and battery controller associated working, causes test result inaccurate.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of controller of new energy automobile and battery controller combined test system, comprise host computer, hub, entire car controller test cabinet, battery controller test cabinet, entire car controller direct fault location case, battery controller direct fault location case, entire car controller and battery controller, host computer comprises host computer communication card;
Entire car controller test cabinet comprises: entire car controller test cabinet input and output I/O board, the comprehensive board of entire car controller test cabinet, entire car controller test cabinet controller local area network CAN interface board, entire car controller test cabinet primary processor and entire car controller test cabinet communication card;
Battery controller test cabinet comprises: battery controller test cabinet I/O board, the comprehensive board of battery controller test cabinet, battery controller test cabinet CAN interface board, battery controller test cabinet digital-to-analog conversion DAC board, battery controller test cabinet primary processor and battery controller test cabinet communication card.
In preferred scheme, entire car controller test cabinet I/O board and battery controller test cabinet I/O board are the DS653 of De Sibaisi company; The comprehensive board of entire car controller test cabinet and the comprehensive board of battery controller test cabinet are the PCI6363 of NI company; Entire car controller test cabinet CAN interface board and battery controller test cabinet CAN interface board are the PCI8513 of NI company; Battery controller test cabinet DAC board is the PCI6713 of NI company; Entire car controller test cabinet primary processor and battery controller test cabinet primary processor are the PCI8135 of NI company; Entire car controller test cabinet communication card, battery controller test cabinet communication card and host computer communication card are the DS911 of De Sibaisi company; Hub is the DS830 of De Sibaisi company; The model that direct fault location case is Feng Qiu company is the direct fault location case of Breakout Box-80PIN; Host computer comprises the Controldesk software of De Sibaisi company.
In preferred scheme, host computer comprises: the management of the scheduling batteries model of element linked together, low pressure model of element, entire car controller model, controller local area network's CAN communication model and plant model.
By the present invention, the manual tedious steps that the pin of entire car controller and battery controller is tested one by one can be avoided completely, greatly shorten test period; For entire car controller, when doing independent closed loop test, battery controller belongs to Virtual Controller; For battery controller, when doing independent closed loop test, entire car controller belongs to Virtual Controller, and the present invention can solve when doing separately closed loop test to entire car controller or battery controller, the problem of the integrality difference of communication function test between real controllers and Virtual Controller; Can solve when closed loop test is done separately to entire car controller or battery controller, due to the simplification that Virtual Controller model is real controllers, cause the test of real controllers and Virtual Controller functions associated to occur cumulative errors, affect the problem of the accuracy of controller test.
Combined test system provided by the invention, not only be conducive to the logic checking to controller internal processes, but also can to carrying out functional authorization, interface input and output when multi-controller and whole vehicle model integration testing, normal authentication, CAN communication are verified, can the problem that exposes of Timeliness coverage to go forward side by side row relax, can Improving The Quality of Products effectively, shorten the product test cycle, further, save enterprise cost.Therefore, the present invention has important practical value.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the controller of new energy automobile of the embodiment of the present invention and the structural representation of battery controller combined test system.
Fig. 2 is the structural representation of host computer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
With reference to the structural representation shown in Fig. 1, provide a kind of controller of new energy automobile and battery controller combined test system in the present embodiment, comprise host computer, hub, entire car controller test cabinet, battery controller test cabinet, entire car controller direct fault location case, battery controller direct fault location case, entire car controller and battery controller.De Sibaisi Electromechanical Control technology (Shanghai) Co., Ltd. (hereinafter referred to as De Sibaisi), Beijing Feng Qiu Science and Technology Ltd. (hereinafter referred to as Feng Qiu company) and NI(American National instrument can be adopted) product of company to be to realize the present embodiment.
In host computer, insert host computer communication card, to communicate with hub;
Hub, by the communications cable, one end is connected to entire car controller test cabinet and battery controller test cabinet, and the other end is connected with the interface of host computer communication card;
Entire car controller test cabinet, inside comprises entire car controller test cabinet I/O(input and output) board, the comprehensive board of entire car controller test cabinet, entire car controller test cabinet CAN interface board, entire car controller test cabinet primary processor and entire car controller test cabinet communication card; The comprehensive board of entire car controller test cabinet integrates A/D(modulus) conversion, D/A(digital-to-analogue) conversion, PWM(pulse-length modulation) signal input and output, digital signal input and output, CAN communication function board; Entire car controller test cabinet CAN interface board, as the node of in CAN, has the function of equipment in testing CAN bus;
Battery controller test cabinet, inside comprises battery controller test cabinet I/O board, the comprehensive board of battery controller test cabinet, battery controller test cabinet CAN interface board, battery controller test cabinet DAC(digital-to-analog conversion) board, battery controller test cabinet primary processor and battery controller test cabinet communication card; The comprehensive board of battery controller test cabinet is the board integrating A/D conversion, D/A conversion, pwm signal input and output, digital signal input and output, CAN communication function; Battery controller test cabinet CAN interface board, as the node of in CAN, has the function of equipment in testing CAN bus; For battery controller test cabinet DAC board, because the D/A number of channels of the comprehensive board of battery controller test cabinet can not meet needed for battery controller, therefore increase DAC board;
Entire car controller test cabinet and battery controller test cabinet, by Fiber connection, so that entire car controller test cabinet intercoms mutually with battery controller rack;
Entire car controller direct fault location case (Breakout Box) and battery controller fault case, the malfunction such as interface circuit short circuit, open circuit of entire car controller and battery controller can be simulated respectively, be arranged between corresponding controller and controller test rack; Direct fault location case is used for carrying out short circuit and/or open circuit process to corresponding controllers, and then carries out direct fault location, also for passing through PT-CAN forwarding information between direct fault location case and corresponding test cabinet I/O board.
Battery controller is made up of scheduling batteries unit and low pressure administrative unit, scheduling batteries unit, and the CAN information sent for receiving low pressure administrative unit also communicates with PT-CAN; Low pressure administrative unit, for gathering battery cell internal information, and sends to scheduling batteries unit by the battery cell internal information of collection.
The model of the I/O board of entire car controller test cabinet and battery controller test cabinet is the DS653 of De Sibaisi company; The model of the comprehensive board in entire car controller test cabinet and battery controller test cabinet is the PCI6363 of NI company; CAN interface board in entire car controller test cabinet and battery controller test cabinet is the PCI8513 of NI company; DAC board in battery controller test cabinet is the PCI6713 of NI company; In entire car controller test cabinet and battery controller test cabinet, primary processor is the PCI8135 of NI company; In entire car controller test cabinet, battery controller test cabinet and host computer, communication card is the DS911 of De Sibaisi company; The model of hub is the DS830 of De Sibaisi company; The direct fault location case of direct fault location case to be the model of Feng Qiu company be Breakout Box-80PIN; Host computer inside performs the Controldesk software of De Sibaisi company.
The controller of new energy automobile of the present embodiment and the hardware signal control mode of battery controller combined test system are: the PC control signal that entire car controller test cabinet primary processor utilizes entire car controller test cabinet communication card to receive hub to forward, entire car controller test cabinet primary processor inside comprises car load test environment model, PC control signal is sent to the comprehensive board of entire car controller test cabinet by entire car controller test cabinet I/O board by car load test environment model, PC control signal is sent to entire car controller direct fault location case by entire car controller test cabinet I/O board and is transmitted to entire car controller by the comprehensive board of entire car controller test cabinet,
Entire car controller responds PC control signal, and successively by entire car controller direct fault location case and entire car controller test cabinet I/O board, first response signal is sent to the comprehensive board of entire car controller test cabinet and entire car controller test cabinet CAN interface board, also the first response signal and CAN signal are delivered to entire car controller test cabinet primary processor;
Entire car controller test cabinet primary processor processes the first response signal and CAN signal, on the one hand the signal after process is fed back to host computer by entire car controller test cabinet communication card and hub to monitor, on the other hand the parameter signal of battery parameter etc. is sent in battery controller test cabinet;
Battery controller test cabinet primary processor is to the parameter signal of the battery parameter that the entire car controller test cabinet primary processor received sends etc., by battery controller test cabinet I/O board, parameter signal is sent to the comprehensive board of battery controller test cabinet and battery controller test cabinet DAC board, battery control information can be sent to battery controller by battery controller test cabinet I/O board by the comprehensive board of battery controller test cabinet and battery controller test cabinet DAC board, scheduling batteries unit in battery controller and low pressure administrative unit respond the battery control information received, and utilize battery controller direct fault location case and battery controller test cabinet I/O board to be transmitted to the comprehensive board of battery controller test cabinet and battery controller test cabinet CAN interface board by rigid line and CAN line the second response signal, second response signal is sent to battery controller test cabinet primary processor, second response signal is monitored to host computer by final battery controller test cabinet primary processor on the one hand, on the other hand the second response signal is sent to entire car controller test cabinet primary processor, by above similar approach, the second response signal is fed back to entire car controller, finally complete closed loop test.
Software in host computer can be write by Simulink, see Fig. 2, the software in host computer comprises the scheduling batteries model of element (BMU), low pressure management model of element (LMU), entire car controller model (VCU), CAN communication model and the plant model that link together.
The controller of new energy automobile of the present embodiment with the software-controlled manner of battery controller combined test system is: the input equipment be connected with host computer sends host computer operation signal to host computer, entire car controller model receives the initialize signal in host computer operation signal and plant model, generate and comprise the simulating signal of PC control signal and digital signal sends to entire car controller, after entire car controller response, first response signal of response is sent to entire car controller model, after first response signal is nursed one's health by entire car controller model, be sent in plant model, simultaneously, low pressure management model of element receives corresponding initialize signal in plant model, due to low pressure management model of element and scheduling batteries model of element rigid line direct-connected, low pressure management model of element responds initialize signal, the simulating signal of response and digital signal are sent in scheduling batteries model of element, after the conditioning of scheduling batteries model, be sent in plant model, plant model comprises: battery model, motor model, vehicle dynamic model, drive model or environmental model, or the combination of these models, all models in plant model respond to the received signal, by the bus that these models are arranged, the signal that entire car controller needs is sent to entire car controller model, CAN information in plant model is sent to CAN communication model, in CAN communication model, has virtual car load CAN transceiver, the CAN transceiver of BMU, the CAN transceiver of LMU,
Initialize signal comprises the information such as monomer voltage, monomer temperature, fan inside state of battery, is sent in low pressure management model of element; Plant model receives the signal of entire car controller model and the transmission of battery controller model, and responds the signal received, and the signal after response is finally fed back to entire car controller, software achieves closed loop test.
Technical scheme provided by the present invention have employed the dual closed loop test of hardware and software, effectively solves following problem:
1. to avoid in prior art the manual tedious steps that the pin of entire car controller and battery controller is tested one by one, provide the human-machine operation page (input equipment be connected with host computer and output device), complete the function of test controller easily, greatly increase work efficiency;
2. solve entire car controller and battery controller in the development and testing stage, test period is long, and expense expenditure is large, the problem of the human and material resources of waste car load factory;
3. when solving Single Controller closed loop test, cannot communication coordination function between complete test real controllers and Virtual Controller node;
4. effectively improve the accuracy of entire car controller and battery controller functional test.
And, the present invention utilizes host computer, entire car controller test cabinet, battery controller test cabinet, entire car controller, battery controller, closed loop test is carried out by hardware and software, in closed loop test system, effectively can verify the control strategy of real controllers, facilitate Test Engineer that the tactful leak found is fed back to tactful slip-stick artist in time.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (3)
1. a controller of new energy automobile and battery controller combined test system, it is characterized in that, comprise host computer, hub, entire car controller test cabinet, battery controller test cabinet, entire car controller direct fault location case, battery controller direct fault location case, entire car controller and battery controller, host computer comprises host computer communication card;
Entire car controller test cabinet comprises: entire car controller test cabinet input and output I/O board, the comprehensive board of entire car controller test cabinet, entire car controller test cabinet controller local area network CAN interface board, entire car controller test cabinet primary processor and entire car controller test cabinet communication card;
Battery controller test cabinet comprises: battery controller test cabinet I/O board, the comprehensive board of battery controller test cabinet, battery controller test cabinet CAN interface board, battery controller test cabinet digital-to-analog conversion DAC board, battery controller test cabinet primary processor and battery controller test cabinet communication card.
2. controller of new energy automobile and battery controller combined test system according to claim 1, it is characterized in that, entire car controller test cabinet I/O board and battery controller test cabinet I/O board are the DS653 of De Sibaisi company; The comprehensive board of entire car controller test cabinet and the comprehensive board of battery controller test cabinet are the PCI6363 of NI company; Entire car controller test cabinet CAN interface board and battery controller test cabinet CAN interface board are the PCI8513 of NI company; Battery controller test cabinet DAC board is the PCI6713 of NI company; Entire car controller test cabinet primary processor and battery controller test cabinet primary processor are the PCI8135 of NI company; Entire car controller test cabinet communication card, battery controller test cabinet communication card and host computer communication card are the DS911 of De Sibaisi company; Hub is the DS830 of De Sibaisi company; The model that direct fault location case is Feng Qiu company is the direct fault location case of Breakout Box-80PIN; Host computer comprises the Controldesk software of De Sibaisi company.
3. controller of new energy automobile and battery controller combined test system according to claim 1 or 2, it is characterized in that, host computer comprises: the management of the scheduling batteries model of element linked together, low pressure model of element, entire car controller model, CAN communication model and plant model.
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