CN102004474A - Detection and controller for aircraft integration test general interface - Google Patents
Detection and controller for aircraft integration test general interface Download PDFInfo
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- CN102004474A CN102004474A CN 201010284600 CN201010284600A CN102004474A CN 102004474 A CN102004474 A CN 102004474A CN 201010284600 CN201010284600 CN 201010284600 CN 201010284600 A CN201010284600 A CN 201010284600A CN 102004474 A CN102004474 A CN 102004474A
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Abstract
The present invention discloses a detection and controller for aircraft integration test general interface for solving the technical problem that the prior aircraft test interface is complicated. The technical scheme is that an analogue switch and an A/D collecting circuit in a protocol detection circuit are used for collecting signals on an input interface to a secondary controller; after types of the signals are judged, the judging result is transferred to a primary controller of a data monitoring circuit; the primary controller controls a multi-way switch according to the judging result to transmit the detected signals to a corresponding transceiver; the primary controls uploads the signal detected by the transceiver to an upper computer by a serial port, so as to complete the monitoring and control of the signals. Frequent manual interface switchovers and on/off control of the interface are avoided via remote monitoring and controlling the hardware interfaces by software, so that automatic identification of interface protocol type of computer, automatic configuration of hardware interface switch and switching operation are realized; and the interface data can be monitored and stored according to requirements.
Description
Technical field
The present invention relates to a kind of interface detection and control device, particularly a kind of aircraft integration testing general-purpose interface detection and control device.
Background technology
In the experiment of aerospace flight vehicle ground integration testing, signal transmission complexity need be carried out the lot of data exchange between each system.When test, these signal demands are connected on the various interface, and can be detected, and analyze and control.As everyone knows, interfacing equipment is many, when testing in the Electricity Federation, detects the data interaction complexity, just need manually corresponding interface is connected on the checkout equipment or with its disconnection.During many and complex circuit, such work is very loaded down with trivial details when the tested object kind of interface, must manually confirm and carries out craft plug connection every wiring, after connecting by corresponding line, checks one by one that more such conventional efficient lowly and is easily made mistakes.What some interface transmitted is heavy current etc., can threaten to operating personnel's life security.Traditional interface managerial method is to use the simple break-make interface of relay, can not satisfy the requirement of complicated testing apparatus, and the docking port data transmission manner do not understand, and can only carry out under the known prerequisite of interface data.
Summary of the invention
In order to overcome the deficiency of existing aircraft test interface complexity, the invention provides a kind of aircraft integration testing general-purpose interface detection and control device.Utilize analog switch and A/D with the signals collecting on the input interface to slave controller, utilize the protocol detection algorithm, the signal data of gathering is handled, judge signal which kind of belongs to, and the result that will handle is passed to master controller, master controller is according to judged result, the control multi-way switch, on the corresponding transceiver that the signal that detects is transmitted, master controller goes out the details of signal by transceiver detection, signal is uploaded to host computer by serial ports, finish signal monitoring and control.Because by software remote detection and control hardware interface, can avoid artificial frequent switching interface and control interface break-make, realize the automatic recognition interface protocol type of remote computer, automatic configure hardware interface switch, blocked operation, and can and store by demand monitoring interface data.
The technical solution adopted for the present invention to solve the technical problems: a kind of aircraft integration testing general-purpose interface detection and control device, be characterized in comprising input interface 1～n, interference shielding circuit 1～n, interface control circuit, protocol detection circuit, data monitoring circuit and serial ports, described interface control circuit comprises relay array, multiselect one switch, passage gate control circuit; Described protocol detection circuit comprises analog switch, A/D Acquisition Circuit and slave controller; Described data monitoring circuit comprises multi-way switch, CAN transceiver, serial ports transceiver, 429 transceivers, 1553B transceiver and master controller; The user sends to the break-make instruction of input interface 1～n and other interfaces the master controller of data monitoring circuit by serial ports by host computer, master controller receives after the instruction, resolve also and change relay array by instruction, by multiselect one switch with corresponding interface UNICOM or disconnection; Interface control circuit is input to the signal of input interface 1～n on the analog switch of protocol detection circuit, slave controller control analog switch, one by one each pin among input interface 1～n is linked into the A/D Acquisition Circuit, and measure each pin voltage value, preserve the voltage value data of being surveyed, after DATA REASONING is finished, carry out agreement and judge, and the type judged result data that will detect input interface data that 1～n transmits send to the data monitoring circuit; Master controller configuration interface control circuit in the data monitoring circuit, select concrete input interface 1～n, its signal is input on the interface control circuit, according to the result of protocol detection before, signal is strobed on the corresponding transceiver by multi-way switch, master controller passes through transceiver statistical signal data and speed, and statistics is uploaded to the host computer client by serial ports.
Useful result of the present invention is: the present invention utilize analog switch and A/D with the signals collecting on the input interface to slave controller, utilize the protocol detection algorithm, the signal data of gathering is handled, judge signal which kind of belongs to, and the result that will handle passes to master controller, master controller is according to judged result, the control multi-way switch, on the corresponding transceiver that the signal that detects is transmitted, master controller goes out the details of signal by transceiver detection, signal is uploaded to host computer by serial ports, finish signal monitoring and control.Because by software remote detection and control hardware interface, artificial frequent switching interface and control interface break-make have been avoided, realized the automatic recognition interface protocol type of remote computer, automatic configure hardware interface switch, blocked operation, and can and store by demand monitoring interface data.
Below in conjunction with the drawings and specific embodiments the present invention is elaborated.
Description of drawings
Fig. 1 is an aircraft integration testing general-purpose interface detection and control device system chart of the present invention.
Fig. 2 is the system works flow process figure of aircraft integration testing general-purpose interface detection and control device of the present invention.
Fig. 3 is the auspicious figure of protocol detection circuit among Fig. 1.
Fig. 4 is the protocol detection process flow diagram of Fig. 3.
Fig. 5 is the auspicious figure of data monitoring circuit among Fig. 1.
Fig. 6 is the data monitoring process flow diagram of Fig. 5.
Fig. 7 is the auspicious figure of interface control circuit among Fig. 1.
Fig. 8 is the interface control flow chart of Fig. 7.
Embodiment
The present invention is primarily aimed at USB (universal serial bus) in the space flight and aviation, proposes a kind of general-purpose interface detection, monitoring and control circuit.Adopt general serial ports DB9 transmission data,, improve general row, and be data acquisition, the convenience that the enforcement of software algorithm etc. provides to reduce the complicacy of changing between the various distinct interfaces.
With reference to Fig. 1～8, aircraft integration testing general-purpose interface detection and control device comprises input interface 1～n, interference shielding circuit 1～n, interface control circuit, protocol detection circuit, data monitoring circuit and serial ports, serial ports model RS232.
Signal through the interference shielding circuit, arrives interface control circuit by input interface 1～n.Interface control circuit will detect one road signal and be linked into the protocol detection circuit, the protocol detection circuit is by the protocol detection algorithm, detect the type of input interface data that 1～n transmits, and testing result sent to the data monitoring circuit, and testing result is sent to the host computer client software by serial ports RS232 by the data monitoring circuit.
The protocol detection electric circuit inspection goes out after the agreement of input interface 1～n, the signal that will detect input interface 1～n by interface control circuit is passed to the data monitoring circuit again, the details of data monitoring circuit statistical signal, as data stream and transfer rate etc., and pass testing result back the host computer client software by serial ports.
The host computer client software is according to the information that receives input interface 1～n, the connected state of configuration input interface 1～n, configuration-direct is passed to the data monitoring circuit by serial ports RS232, the data monitoring circuit is according to instruction configuration interface control circuit, input interface 1～n is connected on the interface of command request or disconnects, finish the detection and the control of interface.
The system works flow process of aircraft integration testing general-purpose interface detection and control device:
(2.1) judge whether input interface 1 has signal.If have, then gather each pin voltage on the input interface 1, the analyzing communication protocol type, if do not have, detection line is displaced to input interface 2; By that analogy, finish and judge whether input interface 1～n has signal.
Signal enters into interface control circuit from input interface 1, be input in the protocol detection circuit by the signal of interface control circuit input interface 1, is there there the signal input by the protocol detection circuit judges again? if have, acquired signal then, if do not have, continue to judge whether the signal input is arranged in the input interface 2; By that analogy, finish and judge whether input interface 1～n has signal input.
(2.2) gather each pin voltage of input interface 1～n, analyze the communications protocol type.
Preserve data by the collection of protocol detection circuit, and judge the communications protocol type.
(2.3) judging whether total interface pin on input interface 1～n detects finishes, if, the result is sent to the data monitoring circuit, and by its by serial ports uploading protocol testing result message to upper passenger family end software, if not, proceed step (2.1) and judge whether current input interface 1～n has signal;
By the protocol detection circuit input interface 1～n is handled, and judge whether to finish protocol detection when front port, if do not have, then continue acquired signal and carry out protocol detection, if finish protocol detection, the protocol detection result is passed to the data monitoring circuit, and testing result is uploaded to the host computer client software by serial ports RS232 by the data monitoring circuit;
(2.4) the data monitoring circuit passes through serial ports RS232 uploading protocol testing result message to upper passenger family end software.
By the protocol detection circuit testing result data are sent in the data monitoring circuit, the data monitoring circuit uploads to the testing result data in the host computer client software by serial ports RS232.The host computer client software is presented at testing result on the software interface.
(2.5) wait for user's operation, the generation user instruction also is downloaded in the data monitoring circuit.
The user can pass through the host computer client software, the operation dependent instruction, and the host computer client software reaches command information in the data monitoring circuit by serial ports RS232.
(2.6) data monitoring circuit judges halt system whether if do not have, is proceeded step (2.7) and is judged whether to be the line configuring instruction, if having, finishes operation.
The data monitoring circuit carries out relevant action according to command content, is to finish operation as instruction, then quits work, and enters dormancy, if do not receive this instruction, carries out by other dependent instructions.
(2.7) whether the data monitoring circuit judges is the line configuring instruction, if have, proceed step (2.9) and judge whether to stop the data monitoring instruction, if not, change execution in step (2.5) over to and wait for user's operation, the generation user instruction also is downloaded in the data monitoring circuit.
Whether the instruction of data monitoring circuit judges is the line configuring instruction.
(2.8) the mapping physical circuit drives topworks.
Instruct the configuration interface control circuit in the data monitoring circuit according to line configuring;
(2.9) judge whether to stop data monitoring instruction, if not, proceed step (2.10) and monitor message and pick up counting, if finish operation.
Whether the data monitoring circuit judges has the data monitoring instruction, if do not have, then quits work, and enters dormancy, if this instruction is arranged, presses relative program and carries out;
(2.10) the data monitoring circuit is monitored message and is picked up counting.
The data monitoring circuit is monitored message according to protocol information, and picks up counting;
(2.11) calculate input interface 1～n monitoring and statistics result.
The data monitoring circuit counts the result according to the message information that monitoring obtains;
(2.12) the data monitoring circuit is uploaded monitoring and statistics information to upper passenger family end software by serial ports RS232.Change execution (2.9) over to and judge whether to stop data monitoring instruction, and continue to have judged whether that the host computer client software sends stops the data monitoring instruction, if having, system works finishes, if do not have, continues to carry out (2.10) and monitors message and also pick up counting.
The result that the data monitoring circuit will be added up is uploaded to the host computer client software by serial ports RS232, and monitors whether the data monitoring of stopping instruction being arranged, if this instruction is arranged, continue monitoring, if there is not this instruction, judged whether the halt system instruction, and carried out relevant action by instruction;
(2.13) Monitoring Line is displaced to input interface 2～n.
The data monitoring circuit begins to monitor input interface 2～n;
(2.14) stop path monitoring.
The data monitoring circuit stops path monitoring.
The protocol detection circuit comprises analog switch, A/D Acquisition Circuit and slave controller.
Interface control circuit is input to the signal of input interface 1～n on the analog switch of protocol detection circuit, slave controller control analog switch, one by one each pin among input interface 1～n is linked into the A/D Acquisition Circuit, and measures each pin voltage value, preserve the voltage value data of being surveyed.After DATA REASONING is finished, operation protocol detection algorithm carries out agreement and judges, and the type judged result data that will detect input interface data that 1～n transmits send to the data monitoring circuit, and the data monitoring circuit feeds back to the host computer client software by serial ports RS232 with judged result.
The protocol detection flow process:
(4.1) the controller self check in the data monitoring circuit.
The self check of data monitoring circuit start, and self-checking command issued slave controller in the protocol detection circuit, and wait for that slave controller feeds back self-detection result;
(4.2) judge whether system state is healthy.If not, execution in step (4.11) is reported to the police, and generation system fault message, if continue execution in step (4.3) and insert input interface 1～n corresponding line one by one.
The data monitoring circuit analysis in conjunction with self self-detection result, judges whether system is healthy, if not, gives the alarm from protocol detection circuit feedback information, if, the products for further instruction.
(4.3) insert input interface 1～n corresponding line group one by one
In input interface 1～n, insert relevant connector.
(4.4) gather each pin of input interface 1～n one by one.
The slave controller of data monitoring circuit in the protocol detection circuit sends enabled instruction, and slave controller is started working, and the control analog switch is linked into the A/D Acquisition Circuit with each pin of input interface 1～n one by one, measures each pin voltage value.
(4.5) judge whether all pin collections of input interface 1～n finish, if, continue execution in step (4.6) store measurement values and input logic processing unit, if not, return step (4.4) and gather the measurement pin one by one.
Slave controller is judged whether each pin data of input interface 1～n gathers and is finished, if storage data if not, continues the control analog switch, gathers the residue pin data.
(4.6) slave controller store measurement values and input logic processing unit.
Slave controller reads measured value.
(4.7) judge whether input interface 1～n has signal,, continue execution in step (4.8) computational analysis measured value, detect communications protocol,, return step (4.3) and insert each connector corresponding line group of input interface 1～n one by one if do not have if having.
Slave controller is handled measured value, and judges it is whether voltage data is arranged in the measured value, if having, the analysis to measure value is not if there is the hand inspection input interface.
(4.8) slave controller computational analysis measured value detects communications protocol.
Slave controller is carried out the relevant detection computing according to measured value information, detects the communications protocol of input interface 1～n.
(4.9) encoding measurement result generates the testing result message.
Slave controller is dealt into the protocol detection result in the Data Detection;
(4.10) encoding measurement result generates the testing result message.
Measurement result is uploaded in the host computer client software by serial ports RS232 by data detection circuit.
(4.11) report to the police, and generation system fault message.
Data detection circuit gives the alarm, and generates the fault message according to fault type.
The data monitoring circuit comprises multi-way switch, CAN transceiver, serial ports transceiver, 429 transceivers, 1553B transceiver and master controller.
Master controller configuration interface control circuit in the data monitoring circuit, select concrete input interface 1～n, its signal is input on the interface control circuit, according to the result of protocol detection before, signal is strobed on the corresponding transceiver by multi-way switch, master controller passes through transceiver statistical signal data and speed, and statistics is uploaded to the host computer client software by serial ports RS232.
The data monitoring workflow is handled according to following steps:
(6.1) the protocol detection circuit sends to detected input interface 1～n communications protocol the data monitoring circuit, and is uploaded by it.
Master controller in the data monitoring circuit is uploaded to the host computer client software with the testing result of protocol detection circuit by serial ports RS232;
(6.2) host computer client software resolved detection message as a result, and show by software.
Display result after the host computer client software analysis protocol testing result message;
(6.3) user selects Monitoring Line, and coding generates monitoring instruction message.
The host computer client software is selected input interface 1～n of monitoring according to the user, will monitor instruction transformation and become serial ports order format;
(6.4) download serial ports instruction message to master controller.
The host computer client software downloads to the serial ports instruction in the master controller by serial ports RS232;
(6.5) master controller is resolved the monitoring instruction, starts working.
Master controller selects the transceiver of the testing result correspondence of protocol detection circuit to begin to monitor interface signal according to monitoring instruction control multi-way switch;
(6.6) judge whether miscommunication.If not, then proceed step (6.7) and monitor message, and calculating of beginning message and timing, if report to the police according to step (6.11), and generate the communication failure message.
Master controller judges whether to detect miscommunication, if wrong, reports to the police, and generates the communication failure message, if there is not miscommunication, begins to monitor message;
(6.7) master controller is monitored message, and the beginning message calculates and timing.
Main control is monitored message, statistical counting and timing according to the transceiver of work;
(6.8) master controller computational scheme communication statistic information result, coding generates the monitoring result message.
Master controller converts result data to the serial ports instruction according to the result of statistics;
(6.9) serial ports RS232 uploads the monitoring message to upper passenger family end software.
Master controller is uploaded to the host computer client software by serial ports RS232 with monitoring result;
(6.10) master controller judges whether to stop monitoring, if not, then proceeds step (6.6) and judges whether miscommunication, if monitoring finishes.
The instruction that master controller sends according to the host computer client software judges whether to be to stop detecting, if not, continue to judge whether miscommunication of interface, if, detection of end.
(6.11) report to the police, and generate the communication failure message
There is communication failure in the master controller judgement, opens and reports to the police, and by serial ports RS232 the communication failure message is uploaded to the host computer client software.
Interface control circuit comprises relay array, multiselect one switch, passage gate control circuit.
The user is by the host computer client software, select input interface 1～n and the break-make of other physical interfaces and the situation that is communicated with between them, instruction is sent to the master controller of data monitoring circuit by serial ports RS232, master controller receives after the instruction, resolve also and change relay array by instruction, by multiselect one switch with corresponding interface UNICOM or disconnection.
The interface control circuit workflow is handled according to following steps:
(8.1) user operates the connection of host computer client software configuration interface.
The user selects input interface 1～n and the break-make of other physical interfaces and the connection situation between them by the host computer client software;
(8.2) coding generates interface configuration instruction message.
The host computer client software is selected according to user interface, and instruction transformation is become serial ports order format;
(8.3) serial ports download instruction message is to master controller.
The host computer client software sends to master controller by serial ports RS232 with command information;
(8.4) master controller is resolved the interface configuration instruction, generates interface configuration mapping logic table.
Master controller is according to instruction, and the configuration interface control circuit is finished the connection situation between relevant input interface break-make or the relevant input interface;
(8.5) interface control circuit drives topworks's work, changes Interface status.
Interface control circuit instructs according to master controller, and the relevant relay array of configuration, multiselect one switch, passage gate control circuit are by instruction works.
(8.6) master controller is judged whether success of interface configuration, if success, then proceeds step (8.7) coding and generates configuration and finish message, if unsuccessful, enter step (8.9) and reports to the police and generate the configuration failure file.
Master controller judges whether interface configuration is undertaken by instruction, in this way, surveys and generates instruction configuration successful file, if not, observes and predicts alert and generation configuration failure file;
(8.7) coding generates configuration and finishes message.
Master controller generates configuration and finishes message, and converts serial ports order format to;
(8.8) serial ports is uploaded message to host computer.
Master controller is finished message by serial ports RS232 with configuration and is uploaded in the host computer client software, and shows in the host computer client software.
Claims (1)
1. aircraft integration testing general-purpose interface detection and control device, it is characterized in that: comprise input interface 1～n, interference shielding circuit 1～n, interface control circuit, protocol detection circuit, data monitoring circuit and serial ports, described interface control circuit comprises relay array, multiselect one switch, passage gate control circuit; Described protocol detection circuit comprises analog switch, A/D Acquisition Circuit and slave controller; Described data monitoring circuit comprises multi-way switch, CAN transceiver, serial ports transceiver, 429 transceivers, 1553B transceiver and master controller; The user sends to the break-make instruction of input interface 1～n and other interfaces the master controller of data monitoring circuit by serial ports by host computer, master controller receives after the instruction, resolve also and change relay array by instruction, by multiselect one switch with corresponding interface UNICOM or disconnection; Interface control circuit is input to the signal of input interface 1～n on the analog switch of protocol detection circuit, slave controller control analog switch, one by one each pin among input interface 1～n is linked into the A/D Acquisition Circuit, and measure each pin voltage value, preserve the voltage value data of being surveyed, after DATA REASONING is finished, carry out agreement and judge, and the type judged result data that will detect input interface data that 1～n transmits send to the data monitoring circuit; Master controller configuration interface control circuit in the data monitoring circuit, select concrete input interface 1～n, its signal is input on the interface control circuit, according to the result of protocol detection before, signal is strobed on the corresponding transceiver by multi-way switch, master controller passes through transceiver statistical signal data and speed, and statistics is uploaded to the host computer client by serial ports.
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| CN104020682A (en) * | 2013-02-28 | 2014-09-03 | 卡特彼勒公司 | Machine communication system and communication unit |
| CN104487962A (en) * | 2012-01-31 | 2015-04-01 | 湾流航空航天公司 | Methods and systems for aircraft health and trend monitoring |
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| CN104487962A (en) * | 2012-01-31 | 2015-04-01 | 湾流航空航天公司 | Methods and systems for aircraft health and trend monitoring |
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| CN105867190A (en) * | 2016-04-15 | 2016-08-17 | 北京博瑞爱飞科技发展有限公司 | Interface system and interface control method of unmanned aerial vehicle |
| CN108415857A (en) * | 2018-03-01 | 2018-08-17 | 合肥威艾尔智能技术有限公司 | A kind of universal process method of serial data |
| CN111147104A (en) * | 2019-10-30 | 2020-05-12 | 南京林洋电力科技有限公司 | Modular intelligent fusion terminal and module interface matching method based on analog bus communication |
| CN112415299A (en) * | 2020-10-13 | 2021-02-26 | 中国运载火箭技术研究院 | Independent monitoring system, aerospace vehicle electrical system and monitoring method |
| CN113190291A (en) * | 2021-05-25 | 2021-07-30 | 电子科技大学 | Configurable protocol conversion system and method based on network-on-chip data acquisition |
| CN113190291B (en) * | 2021-05-25 | 2023-06-02 | 电子科技大学 | Configurable protocol conversion system and method based on network-on-chip data acquisition |
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