CN109144038B - Gate controller diagnosis system and method for rail transit - Google Patents
Gate controller diagnosis system and method for rail transit Download PDFInfo
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- CN109144038B CN109144038B CN201811264854.5A CN201811264854A CN109144038B CN 109144038 B CN109144038 B CN 109144038B CN 201811264854 A CN201811264854 A CN 201811264854A CN 109144038 B CN109144038 B CN 109144038B
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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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Abstract
The invention discloses a gate controller diagnosis system and a gate controller diagnosis method for rail transit, which are as follows: including DSP and connect in DSP's power module, soft start module, watchdog circuit, memory circuit, motor drive circuit, delivery outlet, key input port, motor drive circuit passes through current sampling device and connects DSP, external power source is connected to the soft start module, motor drive module connects motor and power module, DSP still connects host computer and remote diagnosis system, power module passes through voltage sampling circuit and connects DSP. When the intelligent diagnosis system works, the key input port self-diagnosis comprises door-opening train line self-diagnosis and door-enabling train line diagnosis, the DSP diagnoses whether the power supply voltage is in a preset range through the voltage sampling circuit, if so, the DSP continues working, otherwise, the sampled voltage is compared with the local storage power supply fault information, and the fault information is analyzed off-line to obtain a fault conclusion. The invention reduces the operation failure rate of the door controller, reduces the failure analysis difficulty and ensures that the operation of the vehicle door is safer.
Description
Technical Field
The invention relates to the technical field of rail transit gate controllers, in particular to a gate controller diagnosis system and method for rail transit.
Background
The door controller for rail transit is mainly applied to high-speed railways and urban rails, and through receiving signals such as opening and closing doors of vehicles, the driving motor drives the vehicle door transmission device to realize functions such as opening and closing doors, and the vehicle door operation state has great influence on the safety of passengers. The existing door controller for rail transit cannot judge the state of the door controller in advance in the operation process, cannot capture the root cause of a fault in time when the door cannot be opened or closed in place and other faults occur, only can report fault information to a vehicle control center, the fault is reproduced after the vehicle needs to return to a garage and then is diagnosed and analyzed, a large amount of time is spent on simulating and analyzing the fault, and the problem cannot be solved in a short time; even some faults can not be reproduced, so that the problem can not be solved completely. These all result in that the door maintenance cost is higher, and produce great influence to the operation of track traffic, even influence passenger's personal safety. Therefore, it is very important to design a gate controller diagnosis system for rail transit, which can perform self-diagnosis and analysis and avoid safety accidents.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a door controller diagnosis system and method for rail transit, and solves the technical problems that the door controller in the prior art is low in automation degree and poor in self-diagnosis analysis performance.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a gate controller diagnosis system for rail transit comprises: including DSP and connect in DSP's power module, soft start module, watchdog circuit, memory circuit, motor drive circuit, delivery outlet, key input port, motor drive circuit passes through current sampling device and connects DSP, external power source is connected to the soft start module, motor drive module connects motor and power module, DSP still connects host computer and remote diagnosis system, power module passes through voltage sampling circuit and connects DSP.
As an optimized solution, the gate controller diagnosis system for rail transit comprises: the DSP is connected with the remote diagnosis system through an Ethernet or a 3G or 4G network.
A gate controller diagnosis method for rail transit comprises the following steps: the method comprises power supply self-diagnosis, DSP self-diagnosis, motor drive self-diagnosis, key input port self-diagnosis and output port self-diagnosis, wherein the key input port self-diagnosis comprises door-opening train line self-diagnosis and door-enabling train line diagnosis.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the power self-diagnosis method comprises the following steps: and the power supply module is electrified, the DSP diagnoses whether the power supply voltage is in a preset range through the voltage sampling circuit, if so, the DSP continues working, otherwise, the sampled voltage is compared with the local storage power supply fault information, and the fault information is analyzed offline to obtain a fault conclusion.
As an optimized solution, in the foregoing method for diagnosing a gate controller for rail transit, the DSP self-diagnoses the gate controller by: the watchdog circuit periodically detects the DSP, and the gate controller resets and restarts if the DSP is abnormal.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the self-diagnosis method for the motor drive comprises the following steps: the DSP acquires the current of the motor driving circuit through the current sampling device, and stops driving the motor and displaying faults and performs off-line analysis if an overcurrent protection signal exists and the overcurrent protection signal exceeds a preset number within a specified time.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the current sampling device collects two-phase current of the motor driving circuit.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the self-diagnosis method of the key input port comprises the following steps: and the DSP filters and updates the signal of the key input port, compares whether the signal of the key input port is consistent with the standby signal or not, and prohibits the door opening operation if the signal of the key input port is inconsistent with the standby signal until the door controller is restarted and the hardware circuit for analyzing the key signal is analyzed.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the self-diagnosis method of the output port comprises the following steps: and the DSP compares whether the signals of the output ports are consistent with expectations or not, if not, the signals of the output ports are diagnosed as output port faults, the signals of the output ports are forbidden to be output, and the signals are configured into input ports, fault display and off-line fault analysis.
As an optimized scheme, the method for diagnosing the gatekeeper for the track traffic comprises the following steps: the power self-diagnosis includes detecting and analyzing the 15V voltage, the VCC voltage, the 5V voltage, and the VCC1 voltage after the power module conversion.
The invention achieves the following beneficial effects:
1. the invention can detect the voltage change state of the door controller, the running state of the motor, the state of the input/output port and the running state of the DSP, perform key monitoring on the key input port influencing the door action, store the state of the door controller, and when the door controller fails in vehicle operation, the root cause of the failure can be found more quickly through the stored state of the door controller when the failure occurs, thereby saving the time and the energy of technicians for analyzing the failure. In addition, the state of the door controller is diagnosed in advance, early warning and alarming are carried out, early warning and alarming signals of the door controller are sent to a remote diagnosis system through the Ethernet or a 3G or 4G network, and the remote diagnosis system reminds maintenance personnel to maintain or maintain the door controller in advance according to the diagnosis state of the door controller.
2. The invention reduces the operation failure rate of the door controller, reduces the failure analysis difficulty, reduces the maintenance time and cost, improves the vehicle operation efficiency and ensures that the vehicle door is operated more safely.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a power supply self-diagnostic flow chart of the present invention.
FIG. 3 is a flow chart of the DSP self-diagnosis of the present invention.
Fig. 4 is a flow chart of the motor drive self-diagnosis of the present invention.
Fig. 5 is a flow chart of the signal self-diagnosis for the key input ports of the present invention.
Fig. 6 is a flow chart of the self-diagnosis of the outlet of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1: the embodiment discloses a gate controller diagnostic system for track traffic, including DSP and connect in DSP's power module, soft start module, watchdog circuit, memory circuit, motor drive circuit, delivery outlet, key input port, motor drive circuit passes through current sampling device and connects DSP, and external power source is connected to soft start module, and motor drive module connects motor and power module, and DSP still connects host computer and remote diagnosis system, and power module passes through voltage sampling circuit and connects DSP.
Specifically, the DSP of the present embodiment is preferably connected to the remote diagnosis system through an ethernet or a 3G or 4G network.
The embodiment also discloses a gate controller diagnosis method for rail transit, which specifically comprises power supply self-diagnosis, DSP self-diagnosis, motor drive self-diagnosis, key input port self-diagnosis and output port self-diagnosis, wherein the key input port self-diagnosis comprises door-opening train line self-diagnosis and door-enabling train line diagnosis.
As shown in fig. 2: the self-diagnosis method of the power supply comprises the following steps: after the gate controller is electrified, a power supply voltage is formed through soft start, the power supply voltage is converted into 15V voltage and VCC voltage through the power supply module, wherein the 15V voltage is used for supplying power to the motor through the motor driving circuit; the 15V voltage is converted into 5V voltage through the power supply module, and the 5V voltage is used for supplying power to other chips; the VCC voltage is converted into VCC1 voltage by the power supply module, and the VCC1 voltage is used for supplying power to the communication chip.
And the DSP diagnoses whether the voltage values of the voltages (including 15V voltage, VCC voltage, 5V voltage and VCC1 voltage) are within a preset range through a voltage sampling circuit, if so, the DSP continues working, otherwise, the sampled voltage is compared with the local storage power failure information, and the failure information is analyzed offline to obtain a failure conclusion.
As shown in fig. 3: the DSP of this embodiment self-diagnoses: the DSP continuously feeds the dog, the watchdog circuit periodically detects the DSP, and the gate controller resets and restarts if the DSP is abnormal.
As shown in fig. 4: the motor drive self-diagnosis method of the embodiment is as follows: the DSP acquires the current of the motor driving circuit through the current sampling device, and stops driving the motor and displaying faults and performs off-line analysis if an overcurrent protection signal exists and the overcurrent protection signal exceeds a preset number within a specified time.
The specific method comprises the following steps: and the ADC interrupt subprogram reads two-phase current, namely an A phase and a B phase of the motor driving circuit in real time, calculates actual sampling current according to a current processing algorithm, then controls the motor by using the calculated current sampling value, and stops driving the motor and displays faults and performs offline analysis by the DSP if an overcurrent protection signal exists and the overcurrent protection signal exceeds a preset number within a specified time. The method is used for judging the state of three-phase current and judging whether the motor is in a phase failure state or not.
As shown in fig. 5: the self-diagnosis method of the key input port comprises the following steps: and the DSP filters and updates the signal of the key input port, compares whether the signal of the key input port is consistent with the standby signal or not, and prohibits the door opening operation until the door controller is restarted and the hardware circuit for analyzing the key signal is analyzed if the arrival time of the signal of the key input port is inconsistent with that of the standby signal.
As shown in fig. 6: the self-diagnosis method of the output port comprises the following steps: after the gate controller is electrified and initialized, the ADC interrupts real-time reading of the output port feedback signal, if the signal of the output port is compared by the DSP and is consistent with the expectation, if not, the output port fault is diagnosed, the signal output of the output port is forbidden, and the output port is configured into an input port, fault display and offline fault analysis.
The invention can detect the voltage change state of the door controller, the running state of the motor, the state of the input/output port and the running state of the DSP, perform key monitoring on the key input port influencing the door action, store the state of the door controller, and when the door controller fails in vehicle operation, the root cause of the failure can be found more quickly through the stored state of the door controller when the failure occurs, thereby saving the time and the energy of technicians for analyzing the failure. In addition, the state of the door controller is diagnosed in advance, early warning and alarming are carried out, early warning and alarming signals of the door controller are sent to a remote diagnosis system through the Ethernet or a 3G or 4G network, and the remote diagnosis system reminds maintenance personnel to maintain or maintain the door controller in advance according to the diagnosis state of the door controller.
The invention reduces the operation failure rate of the door controller, reduces the failure analysis difficulty, reduces the maintenance time and cost, improves the vehicle operation efficiency and ensures that the vehicle door is operated more safely.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A gate controller diagnosis method for rail transit is characterized by comprising the following steps: the method comprises the steps of power supply self-diagnosis, DSP self-diagnosis, motor drive self-diagnosis, key input port self-diagnosis and output port self-diagnosis, wherein the key input port self-diagnosis comprises door-opening train line self-diagnosis and door-enabling train line diagnosis;
the DSP self-diagnosis method comprises the following steps: the watchdog circuit periodically detects the DSP, and if the DSP is abnormal, the gate controller resets and restarts;
the self-diagnosis method of the key input port comprises the following steps: the DSP filters and updates the signal of the key input port, compares whether the signal of the key input port is consistent with the standby signal, and prohibits the door opening operation if the signal of the key input port is inconsistent with the standby signal until the door controller is restarted and a hardware circuit for analyzing the key signal is analyzed;
the self-diagnosis method of the output port comprises the following steps: the DSP compares whether the signals of the output port are consistent with expectations or not, if not, the signals of the output port are diagnosed as output port faults, the signals of the output port are forbidden to be output and are configured into an input port, fault display and offline fault analysis;
the power self-diagnosis method comprises the following steps: the power supply module is powered on, the DSP diagnoses whether the power supply voltage is in a preset range through the voltage sampling circuit, if so, the DSP continues working, otherwise, the sampled voltage is compared with the local storage power supply fault information, and the fault information is analyzed off-line to obtain a fault conclusion;
the self-diagnosis method for the motor drive comprises the following steps: the DSP acquires the current of the motor driving circuit through the current sampling device, and stops driving the motor and displaying faults and performs off-line analysis if an overcurrent protection signal exists and the overcurrent protection signal exceeds a preset number within a specified time.
2. The diagnostic method for the gatekeeper used for the track traffic according to claim 1, wherein: the current sampling device collects two-phase current of the motor driving circuit.
3. The diagnostic method for the gatekeeper used for the track traffic according to claim 1, wherein: the power self-diagnosis includes detecting and analyzing the 15V voltage, the VCC voltage, the 5V voltage, and the VCC1 voltage after the power module conversion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811264854.5A CN109144038B (en) | 2018-10-29 | 2018-10-29 | Gate controller diagnosis system and method for rail transit |
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| CN201811264854.5A CN109144038B (en) | 2018-10-29 | 2018-10-29 | Gate controller diagnosis system and method for rail transit |
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| CN109144038A CN109144038A (en) | 2019-01-04 |
| CN109144038B true CN109144038B (en) | 2020-12-22 |
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| CN113374379A (en) * | 2021-06-29 | 2021-09-10 | 中车唐山机车车辆有限公司 | Vehicle door control system and vehicle door control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405471A (en) * | 2006-02-08 | 2009-04-08 | 纳博特斯克株式会社 | Automatic door unit |
| CN101761284A (en) * | 2008-12-22 | 2010-06-30 | 重庆川仪自动化股份有限公司 | Controller of rail transportation safety door |
| CN101936110A (en) * | 2010-08-27 | 2011-01-05 | 东南大学 | Intelligent door control system for rail train doors |
| CN102536033A (en) * | 2011-12-23 | 2012-07-04 | 南京理工大学 | Intelligent door control system of rail train |
| CN107386868A (en) * | 2017-08-10 | 2017-11-24 | 南京康尼电子科技有限公司 | A kind of modular control apparatus for platform door system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7181369B2 (en) * | 2001-06-15 | 2007-02-20 | Nabco, Ltd. | Method and system for administering automatic door apparatus, and automatic door apparatus |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405471A (en) * | 2006-02-08 | 2009-04-08 | 纳博特斯克株式会社 | Automatic door unit |
| CN101761284A (en) * | 2008-12-22 | 2010-06-30 | 重庆川仪自动化股份有限公司 | Controller of rail transportation safety door |
| CN101936110A (en) * | 2010-08-27 | 2011-01-05 | 东南大学 | Intelligent door control system for rail train doors |
| CN102536033A (en) * | 2011-12-23 | 2012-07-04 | 南京理工大学 | Intelligent door control system of rail train |
| CN107386868A (en) * | 2017-08-10 | 2017-11-24 | 南京康尼电子科技有限公司 | A kind of modular control apparatus for platform door system |
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