Direction handle fault test method, electronic equipment and storage medium

Abstract

The invention discloses a direction handle fault test method, which comprises the steps of S1, formulating a demand definition in a TACN vehicle-mounted system, including defining a basis for judging a direction handle fault by the TACN vehicle-mounted system and an output action when the direction handle fault occurs; s2, designing various situations of the direction handle fault, testing the judgment and output actions of the TACN vehicle-mounted system on the direction handle fault under various situations, and ensuring that the judgment and output actions of the TACN vehicle-mounted system under various situations are consistent with the demand definition; the various situations of the direction handle fault comprise direction handle fault situations when the train is in a static state and a running state. The method is suitable for various scenes of heavy-load trains, non-heavy-load trains, a static state and a motion state, whether the direction handle breaks down or not can be accurately detected, and response actions are output to guarantee train driving safety.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail transit, in particular to a method for testing a handle failure, an electronic device and a storage medium. BACKGROUND

[0002] Railway signal technology is an essential means to ensure train operation safety, realize effective train control, improve the passing capacity, and provide real-time information to operation management personnel, and is one of the key technologies for existing line speedup reconstruction and high-speed railway construction.

[0003] The handle is one of the core control devices in the cab of rail transit vehicles (such as subways, trains, and trams), and is used to control the forward, backward and neutral (idling) states of the train. The direction command issued by the handle is one of the basic and key bases for railway signal technology to make safety logic judgments and control train tracking and control. Therefore, the reliability and state accuracy of the handle directly affect the safety and operation efficiency of train operation.

[0004] In view of the important role of the handle in the on-board system, the handle failure test is an important part of the confirmation test, and its main significance lies in preventing dangerous errors caused by incorrect direction commands and ensuring the safety of on-board equipment. However, there is currently no systematic introduction of the handle failure test method.

[0005] The statements herein only provide background technology related to the present application, and do not necessarily constitute the prior art. SUMMARY

[0006] The purpose of the present application is to provide a handle failure test method based on a TACN on-board system.

[0007] In order to achieve the above purpose, the present application provides a handle failure test method, comprising:

[0008] S1, defining requirements in the TACN on-board system, including defining the basis for the TACN on-board system to judge the handle failure and the output action when the handle fails;

[0009] S2, designing multiple situations of handle failure, testing the judgment and output action of the TACN on-board system to handle failure in various situations, and ensuring that the judgment and output action of the TACN on-board system in various situations are consistent with the requirement definition;

[0010] The multiple situations of handle failure include the handle failure situations of the train in the stationary state and the running state.

[0011] Optionally, the step S1 comprises the following steps:

[0012] S1.1, define the following two cases in the TACN vehicle system as the basis for the TACN vehicle system to judge the handle failure:

[0013] When the train is stationary, the handle is collected to be forward and backward at the same time, and the time threshold is exceeded;

[0014] When the train runs more than the speed threshold, the handle is collected from forward to backward, or from backward to forward, and the holding time is more than the time threshold;

[0015] S1.2, define the output action of the TACN vehicle system when the TACN vehicle system judges the handle failure:

[0016] When the TACN vehicle system judges the handle failure, the DMI prompts the failure, and the ATP outputs the brake;

[0017] After braking, the DMI prompts the driver to place the handle in the neutral position, and the driver confirms to start the timer. If the neutral position is collected within the timer time, it is considered that the handle failure is recovered. When the handle failure is recovered and the train is in a stopped state, the DMI prompts the driver to release the brake. Otherwise, if the neutral position is not collected within the timer time, the brake is not allowed to be released.

[0018] Optionally, the step S2 comprises the following steps:

[0019] S2.1, test the handle failure of the train in the stationary state;

[0020] S2.2, test the handle failure of the train in the running state, including the two failure situations of the handle changing from forward to backward and the handle changing from backward to forward.

[0021] Optionally, the step S2.1 comprises the following steps:

[0022] S2.1.1, when the handle is tested to be forward and backward at the same time, but the holding time is less than the time threshold, the TACN vehicle system detects no failure;

[0023] S2.1.2, when the handle is tested to be forward and backward at the same time, and the holding time is greater than or equal to the time threshold, the TACN vehicle system detects the failure and outputs the correct response action.

[0024] Optionally, the step S2.1 further comprises:

[0025] S2.1.3, repeat step S2.1.2 to ensure that when the handle fails again, the TACN vehicle system can still detect the failure and output the correct response action.

[0026] Optionally, the step S2.1 further comprises the following steps:

[0027] S2.1.4, when the direction handle is tested only forward or only backward, the TACN on-board system detects no fault.

[0028] Optionally, the step S2.2 comprises the following steps:

[0029] S2.2.1, when the train is tested running at a speed higher than the speed threshold, the direction handle is set from forward to backward but the time of keeping is less than the time threshold, the TACN on-board system detects no fault;

[0030] S2.2.2, when the train is tested running at a speed higher than the speed threshold, the direction handle is set from forward to backward and the time of keeping is greater than or equal to the time threshold, the TACN on-board system detects fault and outputs the correct response action;

[0031] Optionally, the step S2.2 further comprises:

[0032] S2.2.3, the step S2.2.2 is repeated to ensure that when the direction handle is faulty again, the TACN on-board system can still detect fault and output the correct response action.

[0033] Optionally, the step S2.2 further comprises the following steps:

[0034] S2.2.4, when the train is tested running at a speed higher than the speed threshold, the direction handle is set from backward to forward but the time of keeping is less than the time threshold, the TACN on-board system detects no fault;

[0035] S2.2.5, when the train is tested running at a speed higher than the speed threshold, the direction handle is set from backward to forward and the time of keeping is greater than or equal to the time threshold, the TACN on-board system detects fault and outputs the correct response action.

[0036] Optionally, the step S2.2 further comprises:

[0037] S2.2.6, the step S2.2.5 is repeated to ensure that when the direction handle is faulty again, the TACN on-board system can still detect fault and output the correct response action.

[0038] Optionally, the step S2.2 further comprises the following steps:

[0039] S2.2.7, when the train is tested running at a speed lower than the speed threshold, the direction handle is set from forward to backward or from backward to forward, the TACN on-board system detects no fault.

[0040] Optionally, when testing each fault condition, the train is in a corresponding state, and the direction handle is in a corresponding state.

[0041] When the TACN vehicle-mounted system detects no fault, the DMI does not prompt a fault, and the ATP works normally.

[0042] When the TACN vehicle-mounted system detects a fault, the correct response action output by the TACN vehicle-mounted system is:

[0043] The DMI prompts a fault, the ATP outputs braking, and after braking, the DMI prompts the direction handle to be in the neutral position.

[0044] If the direction handle is restored to the neutral position within the timer time, the DMI prompts the braking to be released, and if the confirmation button is clicked, it is checked that the braking is released.

[0045] If the direction handle is not restored to the neutral position within the timer time, even if the confirmation button is clicked, the braking cannot be released.

[0046] Optionally, the direction handle fault includes a direction handle fault of a heavy train and a direction handle fault of a non-heavy train.

[0047] The ATP outputs braking in the correct response action specifically includes that for a heavy train, the ATP outputs normal braking, and for a non-heavy train, the ATP outputs maximum normal braking.

[0048] Optionally, the time threshold is 10s.

[0049] Optionally, the speed threshold is 5km / h.

[0050] Optionally, the timer time is set to 60s.

[0051] To achieve the above purpose, the application further provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the test method of the direction handle fault.

[0052] To achieve the above purpose, the application further provides an electronic device, which includes a processor and a memory, and the memory stores a computer program, and the computer program is executed by the processor to realize the test method of the direction handle fault.

[0053] Compared with the prior art, the application has at least the following beneficial effects:

[0054] 1. The test method of the direction handle fault in the TACN vehicle-mounted system is summarized in combination with the scene of vehicle-mounted operation, and can be used as a reference or reference for testing the direction handle fault in the industry.

[0055] 2. From the perspective of the occurrence of steering handle failure, a test method for steering handle failure in both stationary and running states of heavy-haul and non-heavy-haul trains is proposed, realizing the testing of steering handle failure detection function and ensuring the completeness of test coverage.

[0056] 3. The test verified the steering handle malfunction and recovery function under various scenarios, and also considered the verification of the timer reset function, ensuring the breadth and scope of the test, providing a solution for subsequent steering handle malfunction inspection tests, and improving test efficiency and quality. Attached Figure Description

[0057] Figure 1 This is an overall design diagram of the test scenario for this invention;

[0058] Figure 2 This is a flowchart of the method for testing the steering handle failure of a non-heavy-load train according to the present invention;

[0059] Figure 3 This is a flowchart of the method for testing the failure of the steering handle of a heavy-haul train according to the present invention. Detailed Implementation

[0060] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, provides a method for testing steering handle malfunctions based on a TACN vehicle system, along with the electronic device and storage medium. The advantages and features of the present invention will become clearer from the following description. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, intended only to facilitate and clearly illustrate the embodiments of the present invention. Please refer to the accompanying drawings for a clearer understanding of the objectives, features, and advantages of the present invention. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only for illustrative purposes and to enable those skilled in the art to understand and read the content disclosed in the specification. They are not intended to limit the implementation conditions of the present invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives achieved by the present invention, should still fall within the scope of the technical content disclosed in the present invention.

[0061] This invention provides a testing method for steering handle failure based on the TACN (Train Automatic Control Network) vehicle system.

[0062] The TACN on-board system (hereinafter referred to as the system) is a new type of train autonomous operation control system based on Beidou positioning.

[0063] The basic functions of the steering handle include:

[0064] Forward: controls the train to move forward, usually used in combination with the traction brake handle;

[0065] Reverse: used for train reversing or shunting operation, some systems limit the reverse speed (e.g. ≤10km / h);

[0066] Neutral: no power output.

[0067] The test method includes two steps, the first step is to define the requirement definition in the TACN on-board system, and the second step is to design various situations of direction handle failure based on the requirement definition, and test whether the judgment and output action of the TACN on-board system to the direction handle failure in various situations are consistent with the requirement definition. The specific content of the test method is as follows:

[0068] S1, defining the requirement definition in the TACN on-board system, including the following steps:

[0069] S1.1, defining the following two cases in the TACN on-board system as the basis for the system to judge the direction handle failure:

[0070] (1) In the train static state, the direction handle is simultaneously collected to forward and reverse and exceeds the time threshold, in this embodiment, the time threshold is set to 10s;

[0071] In normal operation, the direction handle can only be in one valid position (forward, reverse or neutral), when the system simultaneously collects the direction handle to forward and reverse, it indicates that the direction handle has failed; The setting of the time threshold (10s) is because the invalid state of simultaneously forward and reverse may be caused by signal interference, the system produces false alarm, but more than 10 seconds indicates that the invalid state exists, which excludes accidental events and confirms the direction handle failure.

[0072] (2) When the train runs more than the speed threshold, the direction handle is collected from forward to reverse, or from reverse to forward, and the holding time exceeds the time threshold, in this embodiment, the speed threshold is set to 5km / h;

[0073] When the train is running, changing the direction of the direction handle can only be done under certain conditions, such as when the train is stopped or running at low speed, if the train suddenly changes direction at high speed, it may cause safety problems, such as damage to the transmission system or cause running accidents, therefore, when the train runs more than the speed threshold (5km / h), the change of the direction of the direction handle is identified as the failure of the direction handle; The setting of the time threshold (10s) is because the short-term change of direction may be caused by the misoperation of the driver (such as accidentally touching the direction handle) or signal interference, the system can tolerate short-term direction change, but more than 10s indicates that the direction handle is stable in the opposite position, which excludes misoperation and other situations, and confirms the failure of the direction handle.

[0074] S1.2, define the output action of the system when the system judges the direction handle fault in the TACN on-board system:

[0075] (1) When the system judges the direction handle fault, the DMI prompts the fault, which is set to display the text "direction handle fault" in this embodiment. For heavy-load trains, the ATP outputs the normal braking, and for non-heavy-load trains, the ATP outputs the maximum normal braking.

[0076] The DMI (Driver-Machine Interface) is a human-machine interface, which refers to the interface or device for the driver to interact with the TACN on-board system, and is usually used to display key information and receive driver input.

[0077] The ATP (Automatic Train Protection) is a train automatic protection system.

[0078] The normal braking refers to the deceleration or parking braking under normal circumstances, and the maximum normal braking refers to the highest level of normal braking triggered under emergency situations, with braking force close to the limit but not emergency braking.

[0079] (2) When the system judges the direction handle fault, the DMI prompts the driver to place the direction handle in the neutral position, which is set to display the text "set the direction handle to neutral position" in this embodiment. After the driver confirms, a timer is started. If the system collects the neutral position within the timer time, it is considered that the direction handle fault is recovered. When the direction handle fault is recovered and the train is in a parked state, the DMI prompts the driver to release the normal braking or maximum normal braking. Otherwise, if the system does not collect the neutral position within the timer time, the driver is not allowed to release the braking or maximum normal braking.

[0080] In this embodiment, the timer time is set to 60s.

[0081] S2, based on the above requirement definition, design various situations of direction handle fault, test the judgment and output action of the TACN on-board system to the direction handle fault, and ensure that the output of the TACN on-board system in various situations is consistent with the requirement definition.

[0082] As shown in Figure 1 , the direction handle fault situations include two categories. The first category is the direction handle fault situation of heavy-load trains, and the second category is the direction handle fault situation of non-heavy-load trains. The direction handle fault situations of heavy-load trains and non-heavy-load trains both include the direction handle fault situations in the stationary state and the running state. In the running state, the direction handle fault situation includes two situations: the direction handle changes from forward to backward and the direction handle changes from backward to forward.

[0083] For heavy haul train, the following steps are performed in sequence to verify the correctness of the system's judgment and output actions for the direction handle fault under various conditions:

[0084] D2.1, test the direction handle fault of the heavy haul train in the stationary state, and the test flow is as follows:

[0085] D2.1.1, when the direction handle is simultaneously turned forward and backward, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in sequence:

[0086] Make the train in the stationary state;

[0087] Turn on the forward relay and the backward relay of the direction handle, and the time is less than 10s;

[0088] The DMI outputs no direction handle fault text, and the ATP works normally;

[0089] D2.1.2, when the direction handle is simultaneously turned forward and backward, and the time exceeds the set threshold, the system detects the fault and outputs the correct response action, and the following steps are performed in sequence:

[0090] Make the train in the stationary state;

[0091] Turn on the forward relay and the backward relay of the direction handle, and the time is greater than or equal to 10s;

[0092] The DMI outputs the direction handle fault text, and the ATP outputs the service braking, and after braking, the DMI outputs the setting of the neutral position of the direction handle confirmation text;

[0093] Click the confirmation button, if the direction handle neutral position is restored within 60s, check that the DMI prompts to release the service braking; click the confirmation button, check that the service braking is released;

[0094] Click the confirmation button, if the direction handle neutral position is restored after 60s, even if the confirmation button is clicked, the service braking cannot be released;

[0095] D2.1.3, repeat step D2.1.2 to ensure that when the direction handle fails again, the system can still detect the fault and output the correct response action.

[0096] D2.1.4, when the direction handle is only turned forward or only turned backward, the system detects no fault, and the following steps are performed in sequence:

[0097] Make the train in the stationary state;

[0098] Turn on the forward relay of the direction handle, and the time is greater than or equal to 10s;

[0099] The DMI outputs no direction handle fault text, and the ATP works normally;

[0100] The rearward reed of the direction handle is set and the time is greater than or equal to 10s;

[0101] The DMI outputs no direction handle fault text and the ATP works normally.

[0102] D2.2, test the direction handle fault of the heavy haul train in the running state, and the test procedure is as follows:

[0103] D2.2.1, when the heavy haul train runs at a speed higher than 5km / h, the direction handle is set from forward to rearward, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in turn:

[0104] The heavy haul train runs at a speed higher than 5km / h, and the direction handle is set from forward to rearward;

[0105] The holding time is less than 10s, the DMI outputs no direction handle fault text, and the ATP works normally;

[0106] D2.2.2, when the heavy haul train runs at a speed higher than 5km / h, the direction handle is set from forward to rearward, and the time exceeds the set threshold, the system detects a fault and outputs the correct response action, and the following steps are performed in turn:

[0107] The heavy haul train runs at a speed higher than 5km / h, and the direction handle is set from forward to rearward;

[0108] The holding time is greater than or equal to 10s, the DMI outputs the direction handle fault text, and the ATP outputs the service braking, after braking, the DMI outputs the setting of the neutral position of the direction handle confirmation text;

[0109] Click the confirmation button, if the direction handle neutral position is restored within 60s, check that the DMI prompts to release the service braking; click the confirmation button, check that the service braking is released;

[0110] Click the confirmation button, if the direction handle neutral position is restored after 60s, even if the confirmation button is clicked, the service braking cannot be released;

[0111] D2.2.3, repeat step D2.2.2 to ensure that when the direction handle fails again, the TACN on-board system can still detect the fault and output the correct response action;

[0112] D2.2.4, when the heavy haul train runs at a speed higher than 5km / h, the direction handle is set from rearward to forward, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in turn:

[0113] The heavy haul train is running at a speed higher than 5 km / h, and the direction handle is changed from backward to forward;

[0114] The holding time is less than 10 s, the DMI outputs no direction handle fault text, and the ATP works normally;

[0115] D2.2.5, when the heavy haul train is running at a speed higher than 5 km / h, and the direction handle is changed from backward to forward, and the time exceeds the set threshold, the system detects a fault and outputs the correct response action, and the following steps are performed in turn:

[0116] The heavy haul train is running at a speed higher than 5 km / h, and the direction handle is changed from backward to forward;

[0117] The holding time is greater than or equal to 10 s, the DMI outputs the direction handle fault text, and the ATP outputs the normal braking, and after braking, the DMI outputs the setting of the direction handle neutral position confirmation text;

[0118] Click the confirmation button, if the direction handle neutral position is restored within 60 s, check the DMI prompt to release the normal braking; click the confirmation button, and check that the normal braking is released;

[0119] Click the confirmation button, if the direction handle neutral position is restored after 60 s, even if the confirmation button is clicked, the normal braking cannot be released;

[0120] D2.2.6, repeat step D2.2.5 to ensure that when the direction handle fails again, the system can still detect the fault and output the correct response action;

[0121] D2.2.7, test when the heavy haul train is running at a speed lower than 5 km / h, and the direction handle is changed from forward to backward or from backward to forward, the system detects no fault, and the following steps are performed in turn:

[0122] The heavy haul train is running at a speed lower than 5 km / h;

[0123] The direction handle is changed from forward to backward, and the holding time is greater than or equal to 10 s;

[0124] The DMI outputs no direction handle fault text, and the ATP works normally;

[0125] The direction handle is changed from backward to forward, and the holding time is greater than or equal to 10 s;

[0126] The DMI outputs no direction handle fault text, and the ATP works normally.

[0127] During the test, the above steps are performed in turn, and if the output of the system in each step is consistent with the requirement definition, it means that the direction handle fault can be accurately tested.

[0128] For non-loaded train, the following steps are performed in sequence to verify the correctness of the system's judgment and output actions for the direction handle fault under various conditions:

[0129] L2.1, test the direction handle fault of non-loaded train in the stationary state, and the test flow is as follows:

[0130] L2.1.1, when the direction handle is simultaneously turned forward and backward, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in sequence:

[0131] Turn on the forward and backward relays of the direction handle, and the time is less than 10s;

[0132] The DMI outputs no direction handle fault text, and the ATP works normally;

[0133] L2.1.2, when the direction handle is simultaneously turned forward and backward, and the time exceeds the set threshold, the system detects the fault and outputs the correct response action, and the following steps are performed in sequence:

[0134] Turn on the forward and backward relays of the direction handle, and the time is greater than or equal to 10s;

[0135] The DMI outputs the direction handle fault text, and the ATP outputs the maximum service braking, after braking, the DMI outputs the setting of the neutral position of the direction handle confirmation text;

[0136] Click the confirmation button, if the neutral position of the direction handle is restored within 60s, check that the DMI prompts to release the maximum service braking; click the confirmation button, check that the maximum service braking is released;

[0137] Click the confirmation button, if the neutral position of the direction handle is restored after 60s, even if the confirmation button is clicked, the maximum service braking cannot be released;

[0138] L2.1.3, repeat step L2.1.2 to ensure that when the direction handle fails again, the system can still detect the fault and output the correct response action.

[0139] L2.1.4, when the direction handle is only turned forward or only turned backward, the system detects no fault, and the following steps are performed in sequence:

[0140] Make the train in the stationary state;

[0141] Turn on the forward relay of the direction handle and the time exceeds 10s;

[0142] The DMI outputs no direction handle fault text, and the ATP works normally;

[0143] Turn on the backward relay of the direction handle and the time exceeds 10s;

[0144] DMI outputs no direction handle fault text, ATP works normally.

[0145] L2.2, test the direction handle fault of non-loaded train in running state, the test procedure is as follows:

[0146] L2.2.1, when the direction handle is changed from forward to backward at a speed higher than 5km / h, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in turn:

[0147] Make the non-loaded train run at a speed higher than 5km / h, and change the direction handle from forward to backward;

[0148] Keep the time less than 10s, DMI outputs no direction handle fault text, ATP works normally;

[0149] L2.2.2, when the direction handle is changed from forward to backward at a speed higher than 5km / h, and the time exceeds the set threshold, the system detects a fault and outputs the correct response action, and the following steps are performed in turn:

[0150] Make the non-loaded train run at a speed higher than 5km / h, and change the direction handle from forward to backward;

[0151] Keep the time greater than or equal to 10s, check the DMI output direction handle fault text, and ATP outputs the maximum service braking, after braking, DMI outputs the setting direction handle neutral position confirmation text;

[0152] Click the confirmation button, if the direction handle neutral position is restored within 60s, check that DMI prompts to release the maximum service braking; click the confirmation button, check that the maximum service braking is released;

[0153] Click the confirmation button, if the direction handle neutral position is restored after 60s, even if the confirmation button is clicked, the maximum service braking cannot be released;

[0154] L2.2.3, repeat step L2.2.2 to ensure that when the direction handle fails again, the TACN on-board system can still detect the fault and output the correct response action;

[0155] L2.2.4, when the direction handle is changed from backward to forward at a speed higher than 5km / h, but the time is less than the set threshold, the system detects no fault, and the following steps are performed in turn:

[0156] Make the non-loaded train run at a speed higher than 5km / h, and change the direction handle from backward to forward;

[0157] The holding time is less than 10s, the DMI outputs no direction handle fault text, and the ATP works normally;

[0158] L2.2.5, when the non-loaded train runs at a speed higher than 5km / h, the direction handle is set from backward to forward, and the time exceeds the set threshold, the system detects a fault and outputs a correct response action, and the following steps are performed in sequence:

[0159] The non-loaded train runs at a speed higher than 5km / h, and the direction handle is set from backward to forward;

[0160] The holding time is greater than or equal to 10s, the DMI outputs a direction handle fault text, and the ATP outputs maximum service braking, and after braking, a set direction handle neutral position confirmation text is output;

[0161] Click the confirmation button, and if the direction handle neutral position is restored within 60s, check that the DMI prompts to release the maximum service braking; click the confirmation button, and check that the maximum service braking is released;

[0162] Click the confirmation button, and if the direction handle neutral position is restored after 60s, even if the confirmation button is clicked, the maximum service braking cannot be released;

[0163] L2.2.6, repeat step L2.2.5 to ensure that when the direction handle fails again, the system can still detect the fault and output the correct response action;

[0164] L2.2.7, when the non-loaded train runs at a speed lower than 5km / h, the direction handle is set from forward to backward or from backward to forward, the system detects no fault, and the following steps are performed in sequence:

[0165] The non-loaded train runs at a speed lower than 5km / h;

[0166] The direction handle is set from forward to backward and the holding time is greater than or equal to 10s;

[0167] The DMI outputs no direction handle fault text, and the ATP works normally;

[0168] The direction handle is set from backward to forward and the holding time is greater than or equal to 10s;

[0169] The DMI outputs no direction handle fault text, and the ATP works normally.

[0170] During testing, the above steps are performed in sequence, and if the output of the system in each step is consistent with the requirement definition, it indicates that the direction handle fault can be accurately tested.

[0171] Further, the present application also provides a computer readable storage medium, having stored thereon a computer program, which, when executed by a processor, implements the test method for the direction handle fault of the TACN vehicle-mounted system as described above.

[0172] Further, the present application also provides an electronic device, comprising a processor and a memory, having stored thereon a computer program, which, when executed by the processor, implements the test method for the direction handle fault of the TACN vehicle-mounted system as described above.

[0173] In summary, the present application designs the test method for the direction handle fault of the heavy haul train and the ordinary train in the static and running processes according to the train type and the operation scene, is suitable for various scenes of the heavy haul train and the non-heavy haul train, the static state and the moving state, can accurately detect whether the direction handle is faulty and output the response action to ensure the train driving safety.

[0174] It should be noted that in this document, the terms "comprising", "containing", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article or device comprising the element.

[0175] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "height", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0176] In the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "fixing" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0177] In the present application, unless specifically stated and limited otherwise, a first feature "on" or "under" a second feature can include the first and second features being directly in contact, or can include the first and second features not being directly in contact but being in contact through another feature between them. Also, a first feature "over", "above" and "on top of" a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. A first feature "under", "below" and "underneath" a second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0178] Although the present application has been described in detail by the foregoing preferred embodiments, it should be recognized that the foregoing description is by way of example only and that various modifications and substitutions can be made by those skilled in the art without departing from the scope of the present application. Accordingly, the scope of the present application should be limited only by the appended claims.

Claims

1. A method of testing for failure of a directional handle, characterized by, The method comprises the following steps: S1, defining the demand definition in the TACN vehicle-mounted system, including defining the basis for the TACN vehicle-mounted system to judge the handle failure and the output action when the handle fails; S2, designing multiple situations of handle failure, testing the judgment and output action of the TACN vehicle-mounted system to handle failure in various situations, and ensuring that the judgment and output action of the TACN vehicle-mounted system in various situations are consistent with the demand definition; The multiple situations of handle failure include the handle failure situations of the train in the stationary state and the running state.

2. The method of claim 1, wherein the test of the steering handle failure is performed when the steering handle is in a straight-ahead position. The step S1 comprises the following steps: S1.1, defining the following two conditions as the basis for the TACN vehicle-mounted system to judge the handle failure in the TACN vehicle-mounted system: When the train is stationary, the handle is collected to be forward and backward at the same time and the time threshold is exceeded; When the train runs at a speed higher than the speed threshold, the handle is collected to be changed from forward to backward or from backward to forward, and the holding time is more than the time threshold; S1.2, defining the output action of the TACN vehicle-mounted system when the TACN vehicle-mounted system judges the handle failure in the TACN vehicle-mounted system: When the TACN vehicle-mounted system judges the handle failure, the DMI prompts the failure, and the ATP outputs the brake; After braking, the DMI prompts the driver to place the handle in the neutral position, and the driver confirms to start the timer. If the neutral position is collected within the timer time, it is considered that the handle failure is recovered. When the handle failure is recovered and the train is in the parking state, the DMI prompts the driver to release the brake; otherwise, if the neutral position is not collected within the timer time, the brake is not allowed to be released.

3. The method of claim 2, wherein the test of the steering handle failure is performed when the steering handle is in the neutral position. The step S2 comprises the following steps: S2.1, testing the handle failure of the train in the stationary state; S2.2, testing the handle failure of the train in the running state, including two failure situations that the handle is changed from forward to backward and the handle is changed from backward to forward.

4. The method of claim 3, wherein the test of the steering handle failure is performed when the steering handle is in the neutral position. The step S2.1 comprises the following steps: S2.1.1, when the handle is tested to be forward and backward at the same time, but the holding time is less than the time threshold, the TACN vehicle-mounted system detects no failure; S2.1.2, when the handle is tested to be forward and backward at the same time, and the holding time is greater than or equal to the time threshold, the TACN vehicle-mounted system detects the failure and outputs the correct response action.

5. The method of claim 4, wherein the test of the steering handle failure is performed when the steering handle is in the neutral position. The step S2.1 further comprises: S2.1.3, repeating step S2.1.2 to ensure that when the handle fails again, the TACN vehicle-mounted system can still detect the failure and output the correct response action.

6. The method of claim 3, wherein the step of testing the handle for failure comprises the step of: The step S2.1 further comprises the following steps: ​ S2.1.4, testing the handle to be only forward or only backward, and the TACN vehicle-mounted system detects no failure.

7. The method of claim 3, wherein the step of testing the handle for failure comprises the step of: The step S2.2 comprises the following steps: ​ S2.2.1, when the train runs at a speed higher than the speed threshold, the handle is tested to be changed from forward to backward, but the holding time is less than the time threshold, and the TACN vehicle-mounted system detects no failure; S2.2.2, when the train runs at a speed higher than the speed threshold, the handle is tested to be changed from forward to backward, and the holding time is greater than or equal to the time threshold, and the TACN vehicle-mounted system detects the failure and outputs the correct response action. S2.2.2, when the handle is set from forward to rear and the time of keeping is greater than or equal to the time threshold, the TACN detects a fault and outputs a correct response action.

8. The method of claim 7, wherein the test of the handle failure is performed in a direction in which the handle is moved to the maximum extent. The step S2.2 further comprises the following steps: S2.2.3, repeating the step S2.2.2 to ensure that when the handle fails again, the TACN can still detect the fault and output a correct response action.

9. The method of claim 3, wherein the step of testing the handle for failure comprises the step of: The step S2.2 further comprises the following steps: ​ S2.2.4, when the handle is set from rear to forward and the time of keeping is less than the time threshold, the TACN detects no fault; S2.2.5, when the handle is set from rear to forward and the time of keeping is greater than or equal to the time threshold, the TACN detects a fault and outputs a correct response action.

10. The method of claim 9, wherein the test of the steering handle failure is performed when the steering handle is in the neutral position. The step S2.2 further comprises the following steps: S2.2.6, repeating the step S2.2.5 to ensure that when the handle fails again, the TACN can still detect the fault and output a correct response action.

11. The method of claim 3, wherein the step of testing the handle for failure comprises the step of: The step S2.2 further comprises the following steps: ​ S2.2.7, when the handle is set from forward to rear or from rear to forward at a speed lower than the speed threshold, the TACN detects no fault.

12. The test method of handle fault according to any one of claims 4-11, wherein, when testing each fault condition, the train is in a corresponding state and the handle is in a corresponding state; when the TACN detects no fault, the DMI does not prompt a fault and the ATP works normally; when the TACN detects a fault, the correct response action output by the TACN is that: the DMI prompts a fault and the ATP outputs braking, after braking, the DMI prompts the handle to be set to neutral; clicking the confirmation button, if the handle is restored to neutral within the timer time, the DMI prompts that the braking is relieved, clicking the confirmation button, and the braking is relieved; clicking the confirmation button, if the handle is not restored to neutral within the timer time, the braking cannot be relieved even if the confirmation button is clicked.

13. The method of claim 12, wherein the test of the handle failure is performed by a user. the handle fault includes the handle fault of a heavy train and a non-heavy train; in the correct response action, the ATP outputs braking, specifically, for a heavy train, the ATP outputs normal braking, and for a non-heavy train, the ATP outputs maximum normal braking.

14. The method of claim 2, wherein the step of testing the handle for failure comprises the step of: 15 the time threshold is 10s.

15. The test method for steering handle failure as described in claim 2, characterized in that, the speed threshold is 5km / h.

16. The method for testing steering handle malfunction as described in claim 2, characterized in that, the timer time is set to 60s.

17. A computer readable storage medium having stored thereon a computer program, characterized in that The computer program, when executed by a processor, implements the test method of handle fault according to any one of claims 1-16.

18. An electronic device, comprising: A computer device comprising a processor and a memory, wherein the memory stores a computer program, and the computer program, when executed by the processor, implements the test method of handle fault according to any one of claims 1-16.

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