CN102809968B - Fault detection method with a plurality of working conditions for door control unit of subway - Google Patents

Fault detection method with a plurality of working conditions for door control unit of subway Download PDF

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CN102809968B
CN102809968B CN201210301590.2A CN201210301590A CN102809968B CN 102809968 B CN102809968 B CN 102809968B CN 201210301590 A CN201210301590 A CN 201210301590A CN 102809968 B CN102809968 B CN 102809968B
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door control
door
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CN102809968A (en
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仇佳捷
张峰
宁庆
王子骏
张士文
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Shanghai Jiao Tong University
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Abstract

本发明涉及一种地铁门控单元多工况故障检测方法，包括以下步骤：1)带有数据采集卡的工控计算机控制检测环境模拟子系统，产生相应的电气信号来模拟地铁门控单元的各种不同工况下的外部环境；2)同时数据采集卡对不同工况下门控单元各个部分的信号进行采集并送回工控计算机中；3)工控计算机对传回的信号数据进行处理，给出地铁门控单元的错误信息以及检测报告。与现有技术相比，本发明具有对地铁门控单元故障在测试工况下进行全面检测，在运行工况下进行快速检测等优点。

The invention relates to a multi-working condition fault detection method of a subway gate control unit, comprising the following steps: 1) an industrial control computer with a data acquisition card controls a detection environment simulation subsystem, and generates corresponding electrical signals to simulate each of the subway gate control units 2) Simultaneously, the data acquisition card collects the signals of each part of the gate control unit under different working conditions and sends them back to the industrial control computer; 3) The industrial control computer processes the returned signal data and gives The error message and test report of the subway gate control unit. Compared with the prior art, the invention has the advantages of comprehensively detecting the failure of the subway door control unit under the test working condition, and quickly detecting it under the running working condition.

Description

一种地铁门控单元多工况故障检测方法A multi-working-condition fault detection method for a subway gate control unit

技术领域 technical field

本发明涉及一种地铁门控单元故障检测方法，尤其是涉及一种地铁门控单元多工况故障检测方法。The invention relates to a fault detection method for a subway gate control unit, in particular to a multi-working-condition fault detection method for a subway gate control unit.

背景技术 Background technique

PMC20-110R门控单元为整个车门系统的主控单元。该门控单元以微处理器为中心，通过RS485，RS232等通讯接口与机车主控设备以及其他设备通讯，并接收列车控制信号，如开门车辆控制信号、关门车辆控制信号、零速车辆控制信号，以及门驱动机构上的元件上发出的信号，如限位开关、紧急开关等，通过内置电机驱动电路驱动电机完成对门的开启和关闭。对门控单元的故障检测是保证车门系统正常运行乃至地铁列车安全运行不可缺少的部分。PMC20-110R door control unit is the main control unit of the whole door system. The door control unit takes the microprocessor as the center, communicates with the locomotive main control equipment and other equipment through RS485, RS232 and other communication interfaces, and receives train control signals, such as door opening vehicle control signal, door closing vehicle control signal, zero speed vehicle control signal , and the signals sent by the components on the door drive mechanism, such as limit switches, emergency switches, etc., drive the motor through the built-in motor drive circuit to complete the opening and closing of the door. The fault detection of the door control unit is an indispensable part to ensure the normal operation of the door system and even the safe operation of the subway train.

发明内容 Contents of the invention

本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种地铁门控单元多工况故障检测方法。The object of the present invention is to provide a multi-working-condition fault detection method for a subway door control unit in order to overcome the above-mentioned defects in the prior art.

本发明的目的可以通过以下技术方案来实现：The purpose of the present invention can be achieved through the following technical solutions:

一种地铁门控单元多工况故障检测方法，其特征在于，包括以下步骤：A kind of subway door control unit multi-working condition fault detection method is characterized in that, comprises the following steps:

1)带有数据采集卡的工控计算机控制检测环境模拟子系统，产生相应的电气信号来模拟地铁门控单元的各种不同工况下的外部环境；1) The industrial control computer with the data acquisition card controls the detection environment simulation subsystem, and generates corresponding electrical signals to simulate the external environment under various working conditions of the subway gate control unit;

2)同时数据采集卡对不同工况下门控单元各个部分的信号进行采集并送回工控计算机中；2) At the same time, the data acquisition card collects the signals of each part of the gate control unit under different working conditions and sends them back to the industrial control computer;

3)工控计算机对传回的信号数据进行处理，给出地铁门控单元的错误信息以及检测报告。3) The industrial control computer processes the signal data sent back, and gives the error information and detection report of the subway door control unit.

该检测方法具体步骤如下：The specific steps of the detection method are as follows:

(1)在工控计算机中建立过程模型对地铁门控单元各种不同工况进行仿真，并简化成检测操作面板，通过面板的操作开关来选定待检测的工况环境；(1) Establish a process model in the industrial computer to simulate various working conditions of the subway door control unit, and simplify it into a detection operation panel, and select the working condition environment to be detected through the operation switch of the panel;

(2)当工况被选定之后，工控计算机将相应的过程模型转化为控制信号经由数据采集卡向检测环境模拟子系统输出；(2) After the working condition is selected, the industrial control computer converts the corresponding process model into a control signal and outputs it to the detection environment simulation subsystem through the data acquisition card;

(3)检测环境模拟子系统根据数据采集卡的控制信号，依照相应的控制顺序切换对应的模拟负载来仿真步骤(1)中所述的选定工况的门控单元外部运行环境；(3) The detection environment simulation subsystem switches the corresponding simulation load according to the corresponding control sequence according to the control signal of the data acquisition card to simulate the external operating environment of the gate control unit of the selected working condition described in step (1);

(4)检测环境模拟子系统采集门控单元在相应工况下各个端口的信号数据，并将信号数据进行转换后经由数据采集卡递送至工控计算机中；(4) The detection environment simulation subsystem collects the signal data of each port of the gate control unit under corresponding working conditions, and converts the signal data and delivers them to the industrial control computer through the data acquisition card;

(5)数据采集卡同时采集门控单元通讯端口的过程通信数据并传递给工控计算机；(5) The data acquisition card simultaneously collects the process communication data of the communication port of the gate control unit and transmits it to the industrial control computer;

(6)工控计算机根据数据采集卡所采集的信号数据与通信数据，与选定工况下的过程模型进行比对，给出故障信息，并进行综合评价后出具综合报告。(6) The industrial control computer compares the signal data and communication data collected by the data acquisition card with the process model under the selected working conditions, gives fault information, and issues a comprehensive report after comprehensive evaluation.

所述的步骤(1)中所述的过程模型为对地铁门控单元在各个不同工况下各个过程步骤中所有外围端口电气信号控制流程进行建模得到，电气信号包括输入信号和输出信号，过程模型确定了各种信号电气量在各种工况运作过程中的相互之间的时序配合关系，并通过控制信号发送给数据采集卡，由数据采集卡控制检测环境模拟子系统来仿真系统不同工况的外部环境。The process model described in the described step (1) is obtained by modeling all peripheral port electrical signal control processes in each process step of the subway gate control unit under each different working condition, and the electrical signal includes an input signal and an output signal, The process model determines the timing coordination relationship between various signal and electrical quantities in the operation process of various working conditions, and sends them to the data acquisition card through the control signal, and the data acquisition card controls the detection environment simulation subsystem to simulate the different systems The external environment of the working condition.

所述的输入信号包括零速控制信号、开门控制信号、关门控制信号、门隔离信号、紧急装置信号和限位开关信号，所述的输出信号包括状态指示灯信号、蜂鸣器信号和电机控制信号。The input signal includes zero speed control signal, door opening control signal, door closing control signal, door isolation signal, emergency device signal and limit switch signal, and the output signal includes status indicator signal, buzzer signal and motor control signal Signal.

该检测方法具有自动检测以及手动分项检测两种故障检测方式，同时提供对门控单元在两种工况下检测模式，分别为测试工况检测模式和运行工况检测模式，通过检测开始时对不同工况检测模式的选择，对门控单元烧录相应的程序并通过检测环境模拟子系统模拟出相应的工况环境进行相应的故障检测。The detection method has two fault detection methods: automatic detection and manual sub-item detection. At the same time, it provides two detection modes for the door control unit under two working conditions, which are the test working condition detection mode and the running working condition detection mode. For the selection of different working condition detection modes, burn the corresponding program to the gate control unit and simulate the corresponding working condition environment through the detection environment simulation subsystem to carry out corresponding fault detection.

所述的测试工况检测模式包括以下检测流程：The test mode detection mode includes the following detection process:

(1)门控单元测试软件烧写；(1) programming of the gating unit test software;

(2)门控单元输入端口检测；(2) Gate control unit input port detection;

(3)门控单元输出信号检测；(3) Gate control unit output signal detection;

(4)门控单元电机驱动检测；(4) Gate control unit motor drive detection;

(5)通讯设备检测；(5) Communication equipment testing;

(6)出具结果。(6) Issue the result.

所述的运行工况检测模式包括以下检测流程：The operating condition detection mode includes the following detection process:

(1)门控单元运行软件烧录；(1) The door control unit runs software burning;

(2)正常开门流程检测；(2) Detection of normal door opening process;

(3)正常关门流程检测；(3) Detection of normal door closing process;

(4)特殊情况检测；(4) Special situation detection;

(5)出具结果。(5) Issue the result.

所述的手动分项检测方式下，在测试工况检测模式下的步骤(2)、(3)、(4)、(5)以及运行工况检测模式的步骤(2)、(3)、(4)可进行分项检测并提供分项检测报告。Under the described manual sub-item detection mode, steps (2), (3), (4), (5) in the test working condition detection mode and steps (2), (3), (3) and (4) Sub-item inspections can be carried out and sub-item inspection reports can be provided.

与现有技术相比，本发明具有以下优点；Compared with the prior art, the present invention has the following advantages;

1)提供了一种针对PMC20-110R门控单元故障进行专门检测的检测方法；1) Provide a detection method for the special detection of PMC20-110R door control unit failure;

2)本检测方法可以对地铁门控单元故障在测试工况下进行全面检测，在运行工况下进行快速检测；2) This detection method can comprehensively detect the fault of the subway gate control unit under the test working condition, and quickly detect it under the running working condition;

3)本检测方法对门控单元不同工况环境下进行手动分项故障检测；3) This detection method performs manual sub-item fault detection on the door control unit under different working conditions;

4)依据本检测方法出具的故障检测结果报告提供完整的故障提示以及详尽的综合报告。4) According to the fault detection result report issued by this detection method, a complete fault prompt and a detailed comprehensive report are provided.

附图说明 Description of drawings

图1为本发明的流程图。Fig. 1 is a flowchart of the present invention.

具体实施方式 Detailed ways

下面结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

实施例Example

地铁门控单元多工况故障检测方法，包括以下步骤：The multi-working-condition fault detection method of a subway gate control unit comprises the following steps:

1)带有数据采集卡的工控计算机控制检测环境模拟子系统，产生相应的电气信号来模拟地铁门控单元的各种不同工况下的外部环境；1) The industrial control computer with the data acquisition card controls the detection environment simulation subsystem, and generates corresponding electrical signals to simulate the external environment under various working conditions of the subway gate control unit;

2)同时数据采集卡对不同工况下门控单元各个部分的信号进行采集并送回工控计算机中；2) At the same time, the data acquisition card collects the signals of each part of the gate control unit under different working conditions and sends them back to the industrial control computer;

3)工控计算机对传回的信号数据进行处理，给出地铁门控单元的错误信息以及检测报告。3) The industrial control computer processes the signal data sent back, and gives the error information and detection report of the subway door control unit.

该检测方法具体步骤如下：The specific steps of the detection method are as follows:

(1)在工控计算机中建立过程模型对地铁门控单元各种不同工况进行仿真，并简化成检测操作面板，通过面板的操作开关来选定待检测的工况环境；(1) Establish a process model in the industrial computer to simulate various working conditions of the subway door control unit, and simplify it into a detection operation panel, and select the working condition environment to be detected through the operation switch of the panel;

(2)当工况被选定之后，工控计算机将相应的过程模型转化为控制信号经由数据采集卡向检测环境模拟子系统输出；(2) After the working condition is selected, the industrial control computer converts the corresponding process model into a control signal and outputs it to the detection environment simulation subsystem through the data acquisition card;

(3)检测环境模拟子系统根据数据采集卡的控制信号，依照相应的控制顺序切换对应的模拟负载来仿真步骤(1)中所述的选定工况的门控单元外部运行环境；(3) The detection environment simulation subsystem switches the corresponding simulation load according to the corresponding control sequence according to the control signal of the data acquisition card to simulate the external operating environment of the gate control unit of the selected working condition described in step (1);

(4)检测环境模拟子系统采集门控单元在相应工况下各个端口的信号数据，并将信号数据进行转换后经由数据采集卡递送至工控计算机中；(4) The detection environment simulation subsystem collects the signal data of each port of the gate control unit under corresponding working conditions, and converts the signal data and delivers them to the industrial control computer through the data acquisition card;

(5)数据采集卡同时采集门控单元通讯端口的过程通信数据并传递给工控计算机；(5) The data acquisition card simultaneously collects the process communication data of the communication port of the gate control unit and transmits it to the industrial control computer;

(6)工控计算机根据数据采集卡所采集的信号数据与通信数据，与选定工况下的过程模型进行比对，给出故障信息，并进行综合评价后出具综合报告。(6) The industrial control computer compares the signal data and communication data collected by the data acquisition card with the process model under the selected working conditions, gives fault information, and issues a comprehensive report after comprehensive evaluation.

所述的步骤(1)中所述的过程模型为对地铁门控单元在各个不同工况下各个过程步骤中所有外围端口电气信号控制流程进行建模得到，电气信号包括输入信号和输出信号，过程模型确定了各种信号电气量在各种工况运作过程中的相互之间的时序配合关系，并通过控制信号发送给数据采集卡，由数据采集卡控制检测环境模拟子系统来仿真系统不同工况的外部环境。The process model described in the described step (1) is obtained by modeling all peripheral port electrical signal control processes in each process step of the subway gate control unit under each different working condition, and the electrical signal includes an input signal and an output signal, The process model determines the timing coordination relationship between various signal and electrical quantities in the operation process of various working conditions, and sends them to the data acquisition card through the control signal, and the data acquisition card controls the detection environment simulation subsystem to simulate the different systems The external environment of the working condition.

所述的输入信号包括零速控制信号、开门控制信号、关门控制信号、门隔离信号、紧急装置信号和限位开关信号，所述的输出信号包括状态指示灯信号、蜂鸣器信号和电机控制信号。The input signal includes zero speed control signal, door opening control signal, door closing control signal, door isolation signal, emergency device signal and limit switch signal, and the output signal includes status indicator signal, buzzer signal and motor control signal Signal.

该检测方法具有自动检测以及手动分项检测两种故障检测方式，同时提供对门控单元在两种工况下检测模式，分别为测试工况检测模式和运行工况检测模式，通过检测开始时对不同工况检测模式的选择，对门控单元烧录相应的程序并通过检测环境模拟子系统模拟出相应的工况环境进行相应的故障检测。The detection method has two fault detection methods: automatic detection and manual sub-item detection. At the same time, it provides two detection modes for the door control unit under two working conditions, which are the test working condition detection mode and the running working condition detection mode. For the selection of different working condition detection modes, burn the corresponding program to the gate control unit and simulate the corresponding working condition environment through the detection environment simulation subsystem to carry out corresponding fault detection.

如图1所示，所述的测试工况检测模式包括以下检测流程：As shown in Figure 1, the described test working condition detection mode includes the following detection process:

(1)门控单元测试软件烧写；(1) programming of the gating unit test software;

(2)门控单元输入端口检测；(2) Gate control unit input port detection;

(3)门控单元输出信号检测；(3) Gate control unit output signal detection;

(4)门控单元电机驱动检测；(4) Gate control unit motor drive detection;

(5)通讯设备检测；(5) Communication equipment testing;

(6)出具结果。(6) Issue the result.

如图1所示，所述的运行工况检测模式包括以下检测流程：As shown in Figure 1, the described operating condition detection mode includes the following detection process:

(1)门控单元运行软件烧录；(1) The door control unit runs software burning;

(2)正常开门流程检测；(2) Detection of normal door opening process;

(3)正常关门流程检测；(3) Detection of normal door closing process;

(4)特殊情况检测；(4) Special situation detection;

(5)出具结果。(5) Issue the result.

所述的手动分项检测方式下，在测试工况检测模式下的步骤(2)、(3)、(4)、(5)以及运行工况检测模式的步骤(2)、(3)、(4)可进行分项检测并提供分项检测报告。Under the described manual sub-item detection mode, steps (2), (3), (4), (5) in the test working condition detection mode and steps (2), (3), (3) and (4) Sub-item inspections can be carried out and sub-item inspection reports can be provided.

Claims (2)

1. a subway door control unit multi-state fault detection method, is characterized in that, comprises the following steps:
1) with the industrial computer of data collecting card, control testing environment analog subsystem, produce corresponding electric signal and carry out the external environment condition under the various different operating modes of iron door control unit in analog;
2) simultaneous data-collecting card gathers and sends back in industrial computer to the signal of door control unit various piece under different operating modes;
3) industrial computer is processed the signal data of passing back, provides error message and the examining report of subway door control unit;
These detection method concrete steps are as follows:
(1) in industrial computer, process of establishing model carries out emulation to the various different operating modes in subway door control unit, and is simplified to detection guidance panel, by the operating switch of panel, selectes work condition environment to be detected;
(2) after operating mode is chosen, industrial computer is converted into control signal by corresponding process model and exports to testing environment analog subsystem via data collecting card;
(3) testing environment analog subsystem, according to the control signal of data collecting card, switches according to corresponding control sequence the outside running environment of door control unit that corresponding fictitious load carrys out the selected operating mode described in simulation process (1);
(4) testing environment analog subsystem gathers the signal data of door control unit each port under corresponding operating mode, and signal data is changed by being delivered in industrial computer by data collecting card;
(5) data collecting card gathers the procedure communication data of door control unit PORT COM simultaneously and passes to industrial computer;
(6) industrial computer gathers according to data collecting card signal data and communication data, compare with the process model under selected operating mode, provides failure message, and carry out providing consolidated return after comprehensive evaluation;
This detection method has automatic detection and manually itemizes and detect two kinds of fault detect modes, provide door control unit detecting pattern under two kinds of operating modes simultaneously, be respectively test operating mode detecting pattern and operating condition detecting pattern, selection to different operating mode detecting patterns while starting by detection, to the corresponding program of door control unit burning and simulate corresponding work condition environment by testing environment analog subsystem and carry out corresponding fault detect;
Described test operating mode detecting pattern comprises following testing process:
(1) door control unit testing software programming;
(2) door control unit input port detects;
(3) door control unit output signal detects;
(4) door control unit motor drives and detects;
(5) communication apparatus detects;
(6) provide result;
Described operating condition detecting pattern comprises following testing process:
(1) door control unit operating software burning;
(2) normal door flow process detects;
(3) flow process of normally closing the door detects;
(4) special circumstances detect;
(5) provide result;
Under described manual subitem detection mode, can itemize and detect and provide subitem examining report in step (2), (3), (4) of step (2), (3), (4), (5) and operating condition detecting pattern under test operating mode detecting pattern;
Process model described in described step (1) for to subway door control unit under each different operating modes in each process steps all peripheral port electric signal control flows carry out modeling and obtain, electric signal comprises input signal and output signal, process model has been determined the sequential matching relationship each other of various signal electric parameters in various operating mode operation, and send to data collecting card by control signal, by data acquisition card control testing environment analog subsystem, carried out the external environment condition of the different operating modes of analogue system.
2. a kind of subway door control unit multi-state fault detection method according to claim 1, it is characterized in that, described input signal comprises zero-speed control signal, the control signal of opening the door, close gate control signal, door isolation signals, sentinel plant signal and limit switch signal, and described output signal comprises status indicator lamp signal, buzzer signal and motor control signal.
CN201210301590.2A 2012-08-22 2012-08-22 Fault detection method with a plurality of working conditions for door control unit of subway Active CN102809968B (en)

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