CN115431993B - Transport simulation detection method, device, equipment and storage medium - Google Patents
Transport simulation detection method, device, equipment and storage medium Download PDFInfo
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- 238000004088 simulation Methods 0.000 title claims abstract description 67
- 238000001514 detection method Methods 0.000 title claims abstract description 39
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0004—In digital systems, e.g. discrete-time systems involving sampling
- B60W2050/0005—Processor details or data handling, e.g. memory registers or chip architecture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
Abstract
The invention belongs to the technical field of vehicle operation control, and discloses a transportation simulation detection method, a transportation simulation detection device, transportation simulation detection equipment and a storage medium. According to the method, the running data of the transport means in a preset time interval and the load spectrum acquired by the real-time vibration measuring system in the transport means are acquired, road spectrum information is generated in real time according to the running data, a preset threshold value is determined according to the road spectrum information, the load spectrum is compared with the preset threshold value, and when the load spectrum exceeds the preset threshold value, a running adjustment instruction is sent to the transport means. And transmitting the parameter data acquired by the real-time vibration measuring system on the transport means to a network server, completing live simulation of the transport means, comparing the parameter data with a preset threshold value, judging whether the running state of the current transport means meets the transport requirement, and sending a running adjustment instruction to correct the running state of the transport means when the running state of the current transport means does not meet the transport requirement, so that quick response to the transport state is realized, and running and transport safety is ensured.
Description
Technical Field
The present invention relates to the field of vehicle operation control technologies, and in particular, to a method, an apparatus, a device, and a storage medium for transport simulation detection.
Background
In the process of transporting the lithium battery, the internal or external short circuit of the lithium battery can occur due to improper operations such as impact, extrusion and the like, or the situation that electrolyte in the battery flows out due to the damage of the outer wall of the lithium battery can cause spontaneous reaction of the lithium battery, the temperature is increased, combustion and explosion caused by thermal runaway occur, and even dissolved lithium in the combustion process can penetrate through a cargo hold or generate enough pressure to form a cargo hold wallboard, so that fire can spread to other parts.
At present, no good method is provided for preventing the situation, and the sensitivity degree of related personnel in the transportation process is usually needed to avoid the situation, so that a large uncertain factor and a huge potential safety hazard exist in the transportation process.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a transportation simulation detection method, a device, equipment and a storage medium, and aims to solve the technical problem that the prior art cannot avoid damage of a lithium battery in transportation in advance.
In order to achieve the above object, the present invention provides a transportation simulation detection method, which includes the following steps:
acquiring running data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool;
generating road spectrum information in real time according to the driving data;
and determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and sending a running adjustment instruction to the transport means when the load spectrum exceeds the preset threshold.
Optionally, the generating road spectrum information according to the driving data in real time includes:
extracting characteristics of the driving data to obtain a driving track and vibration amplitude;
generating a roadmap according to the running track;
and obtaining road spectrum information according to the road map and the vibration amplitude.
Optionally, the feature extracting the running data to obtain a running track and a vibration amplitude includes:
filtering the driving data to obtain position point location information of the transport means;
sorting the point positions according to the corresponding time of the point positions to obtain a point position sequence;
and fitting the point location sequence to obtain the running track.
Optionally, extracting features of the driving data to obtain vibration amplitude, including:
filtering the driving data to obtain vibration information of the transport means;
and obtaining the vibration amplitude according to the vibration information and a preset vibration threshold value.
Optionally, the obtaining the road spectrum information according to the road map and the vibration amplitude includes:
obtaining the time corresponding to the vibration amplitude according to the driving data;
sequencing the vibration amplitude according to the corresponding time of the vibration amplitude to obtain a vibration amplitude sequence;
and combining the roadmap with the vibration amplitude sequence to obtain a roadmap.
Optionally, the determining a preset threshold according to the road spectrum information includes:
determining an offset level according to the steering angle in the road spectrum information and the current speed of the transport means;
determining a vibration level according to the vibration amplitude in the road spectrum information;
obtaining a threshold level according to the offset level and the vibration level;
and obtaining a corresponding preset threshold according to the threshold level.
Optionally, the determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and when the load spectrum exceeds the preset threshold, sending a running adjustment instruction to the transport means, further includes:
and after a running adjustment instruction is sent to the transport means, starting timing, and if the load spectrum continuously exceeds the preset threshold value within the preset time, sending a forced adjustment instruction to the transport means.
In addition, in order to achieve the above object, the present invention also provides a transport simulation detection device, including:
the data acquisition module is used for acquiring running data of the transport means in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport means;
the road spectrum simulation module is used for generating road spectrum information in real time according to the driving data;
the instruction generation module is used for determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and sending a running adjustment instruction to the transport tool when the load spectrum exceeds the preset threshold.
In addition, in order to achieve the above object, the present invention also proposes a transportation simulation detection apparatus including: a memory, a processor, and a transport emulation detection program stored on the memory and executable on the processor, the transport emulation detection program configured to implement the steps of the transport emulation detection method as described above.
In addition, in order to achieve the above object, the present invention also proposes a storage medium having stored thereon a transportation simulation detection program which, when executed by a processor, implements the steps of the transportation simulation detection method as described above.
According to the method, the running data of the transport means in a preset time interval and the load spectrum acquired by the real-time vibration measuring system in the transport means are acquired, road spectrum information is generated in real time according to the running data, a preset threshold value is determined according to the road spectrum information, the load spectrum is compared with the preset threshold value, and when the load spectrum exceeds the preset threshold value, a running adjustment instruction is sent to the transport means. And transmitting the parameter data acquired by the real-time vibration measuring system on the transport means to a network server, completing live simulation of the transport means, comparing the parameter data with a preset threshold value, judging whether the running state of the current transport means meets the transport requirement, and sending a running adjustment instruction to correct the running state of the transport means when the running state of the current transport means does not meet the transport requirement, so that quick response to the transport state is realized, and running and transport safety is ensured. (259)
Drawings
FIG. 1 is a schematic diagram of a transport emulation detection device of a hardware running environment according to an embodiment of the present invention;
FIG. 2 is a flow chart of a first embodiment of a transport simulation test method according to the present invention;
FIG. 3 is a flow chart of a first embodiment of a transport simulation test method of the present invention;
FIG. 4 is a flow chart of a second embodiment of the transport simulation test method of the present invention;
fig. 5 is a block diagram of a first embodiment of a transport simulation test device according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a transport simulation detection device in a hardware running environment according to an embodiment of the present invention.
As shown in fig. 1, the transport simulation detection apparatus may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) Memory or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the structure shown in fig. 1 is not limiting of the transport simulation test apparatus and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and a transport simulation detection program may be included in the memory 1005 as one type of storage medium.
In the transport simulation test apparatus shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the transport simulation detection apparatus of the present invention may be provided in the transport simulation detection apparatus, which invokes the transport simulation detection program stored in the memory 1005 through the processor 1001 and executes the transport simulation detection method provided by the embodiment of the present invention.
The embodiment of the invention provides a transport simulation detection method, referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the transport simulation detection method of the invention.
In this embodiment, the transportation simulation detection method includes the following steps:
step S10: acquiring running data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool;
it should be noted that, the execution body of the embodiment is a transport simulation detection device, where the transport simulation detection device has functions of data processing, data communication, program running, etc., and the transport simulation detection device may be an integrated controller, a control computer, a palm computer, etc., or may be other devices with similar functions, and the embodiment is not limited specifically.
It should be understood that the vehicle refers to a locomotive, a ship, an airplane, etc. capable of completing the transportation of people or goods, and the present embodiment is described by taking a vehicle as an example, and the travel data refers to parameters related to the travel of the vehicle including the travel speed, the travel direction, the travel gradient, and the steering angle of the vehicle.
It can be understood that the preset time interval refers to a time interval between the running data of the transport means and the two measurements of the load spectrum acquired by the real-time vibration measuring system, and can be adjusted according to an actual application scene, and can be set as a response time of the data acquisition device, or can be set as an interval of 1 second, an interval of 5 seconds, an interval of 1 minute, and the like according to a specific scene.
The load spectrum data refers to the amount of change in value, such as pressure change due to extrusion or deformation change, between cargoes during the cargo transportation.
Referring to fig. 3, fig. 3 is a flow chart of a transport simulation test system.
In a specific implementation, the transport simulation detection device acquires current running conditions of the vehicle, including current running speed, running direction, vibration amplitude, current vehicle inclination degree and other running parameters of the vehicle, records the running parameters, and marks the current running parameters with current time stamps. Meanwhile, the transportation simulation detection equipment can also acquire load spectrum data about transported cargoes acquired by a real-time vibration measurement system in the vehicle, wherein the load spectrum data comprise, but are not limited to, pressure generated by extrusion between objects, deformation generated by collision between the objects, pressure between the bottom of the objects and a cargo hold and the like. The time stamp is used for identifying when the group of data is taken, because a response time exists between each hardware, a certain time interval exists between each test, the time interval can be flexibly adjusted according to practical situations, the current set time interval is 1 second, namely, the current running parameter of the vehicle and the load spectrum data of the current transported goods are acquired once every 0.5 second, if the current time stamp for the data is 15 hours, 25 minutes and 17 seconds, and the next time stamp is 15 hours, 25 minutes and 18 seconds.
Step S20: generating road spectrum information in real time according to the driving data;
it should be noted that the road spectrum information refers to a road surface map, which can be used to reflect the running track of the transport means and the fluctuation condition of the road surface, and also be used to record and describe the running state of the vehicle.
In a specific implementation, the transportation simulation detection device processes the acquired running data and load spectrum data, the data processing can be performed locally, or the data can be transmitted to the cloud for processing, if the data processing is performed locally, the acquired running data and load spectrum data need to be transmitted to a data processing module through a data bus to complete processing operation, if the data processing is performed at the cloud, the data need to be transmitted to a cloud server through running of the internet, the processing operation is completed by the cloud server, and the data processing is performed at the cloud as an example.
The virtual simulation system for transportation simulation detection is deployed in the cloud server, and the simulation detection of the transportation process can be completed. After the road spectrum simulation module receives the running data, the running data are extracted, the time stamp on the running data is firstly read, the data are classified and ordered according to the time stamp, the data processing is carried out according to the sequence of the time stamp, the data with the front time stamp are processed preferentially, and when one running data is selected, the running speed, the vibration amplitude, the running direction, the current inclination degree and the like of the vehicle contained in the data are extracted. Firstly, the vehicle running distance in the time interval is obtained according to the running speed of the vehicle and the time interval, then the road spectrum information of the vehicle in the time interval is primarily depicted by combining the current running direction and the steering direction of the vehicle, the running state in the time interval can be intuitively obtained, on the basis, the gradient information of the road surface is added on the basis of the road spectrum information by combining the inclination degree of the current vehicle, and the vehicle is judged to be in an ascending slope or a descending slope or on some other roads with poor road conditions according to the inclination direction of the current vehicle, for example, when the inclination degree of the vehicle is high in front and low in back, the vehicle is in the ascending slope state at the moment. And meanwhile, the flatness of the current running road surface is obtained according to the vibration amplitude, and the gradient information and the road surface flatness are added into the road spectrum information to obtain complete and detailed road spectrum information. And after the next data is processed, the processing is continued to be completed on the basis of the road spectrum information until the transportation task is completed. Since the destination, the travel route and the travel time of each transport task are different, the road spectrum information is different, so that the road spectrum needs to be drawn for each transport task, and if the road spectrum information is overlapped, the previous road spectrum information is covered by the new road spectrum information.
Step S30: and determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and sending a running adjustment instruction to the transport means when the load spectrum exceeds the preset threshold.
The preset threshold refers to a critical value of safety and danger in the current running state, and once the critical value exceeds a limit marked by the threshold, the risk of danger is caused, and the threshold refers to a threshold of a load spectrum of transported goods. The travel adjustment instruction is an instruction to correct the current incorrect travel state issued by the transport simulation detection apparatus according to the current travel state.
In a specific implementation, the transportation vehicle continuously acquires and records current driving data and load spectrum information of transported goods in the driving process, firstly, a currently acceptable minimum threshold value is determined according to a specific situation in the current road spectrum information, for example, the current road spectrum information indicates that the vehicle is on an ascending slope and the road jolt condition at the moment, simultaneously, three threshold values can be obtained by combining the current vehicle speed and searching a preset threshold value table according to the three parameters, finally, the threshold value with the minimum value is selected as the threshold value acceptable under the current condition according to the size relation of the three threshold values, for example, the threshold value obtained according to the ascending slope is 220Mpa, the threshold value obtained according to the road jolt condition at the moment is 170Mpa, the threshold value obtained according to the current vehicle speed is 295Mpa, so that the minimum threshold value is selected from the three threshold values, namely 170Mpa is the preset threshold value at the moment, if the data displayed by the current load spectrum data is lower than 170Mpa, the transportation control system does not send any instruction, the vehicle is allowed to continue to travel according to the current transportation strategy, if the load spectrum data at the moment is displayed as 200Mpa, the load spectrum data at the moment is greater than the threshold value of 170Mpa, and therefore an adjustment instruction needs to be sent out, so that the vehicle changes the current traveling logic, for example, an instruction for reducing the vehicle speed is sent out to the vehicle, and when the vehicle speed is reduced, the bumpy degree and the extrusion among cargoes are obviously improved, so that the safety of the transported cargoes is ensured.
According to the method, driving data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool are acquired, road spectrum information is generated in real time according to the driving data, a preset threshold value is determined according to the road spectrum information, the load spectrum is compared with the preset threshold value, and when the load spectrum exceeds the preset threshold value, a driving adjustment instruction is sent to the transport tool. And transmitting the parameter data acquired by the real-time vibration measuring system on the transport means to a network server, completing live simulation of the transport means, comparing the parameter data with a preset threshold value, judging whether the running state of the current transport means meets the transport requirement, and sending a running adjustment instruction to correct the running state of the transport means when the running state of the current transport means does not meet the transport requirement, so that quick response to the transport state is realized, and running and transport safety is ensured.
Referring to fig. 4, fig. 4 is a flow chart of a second embodiment of a transport simulation test method according to the present invention.
Based on the above first embodiment, the transportation simulation detection method of this embodiment further includes, in the step S20:
step S201: extracting characteristics of the driving data to obtain a driving track and vibration amplitude;
step S202: generating a roadmap according to the running track;
step S203: and obtaining road spectrum information according to the road map and the vibration amplitude.
The vibration amplitude refers to the up-and-down fluctuation degree of the whole vehicle in the running process of the vehicle, the flatness of the road surface can be deduced through the vibration amplitude, and the road map refers to the path of the transport vehicle in the running process, and comprises the running track of the transport vehicle.
In specific implementation, firstly, feature extraction is performed on the acquired running data, information such as running speed, running direction and steering direction in the running data is extracted, running trend of the vehicle can be obtained according to the running direction and the steering direction, the distance travelled by the vehicle in the period can be obtained according to the running speed and the time interval of each data acquisition, and the obtained running trend and the running distance are combined together to obtain the running track in the period. At the same time, the vibration conditions in the travel data are extracted to obtain the vibration amplitude on the path in the period of time. Because the running data and the load spectrum data are continuously acquired in the running process, the running tracks acquired in each time interval are combined according to the time generated by the running tracks to form a route map, and the route map is corresponding to the vibration amplitude according to time after the route map is acquired, so that the route spectrum information containing the running tracks and the vibration amplitude is obtained.
In order to further obtain the driving track, the method further comprises the following steps:
filtering the driving data to obtain position point location information of the transport means;
sorting the point positions according to the corresponding time of the point positions to obtain a point position sequence;
and fitting the point location sequence to obtain the running track.
It should be noted that, the point location information refers to the point location information where the vehicle is located when the data is acquired each time, the expression form is represented by a point, and the point location sequence refers to the sequence of ordering the point location information reached each time according to the time sequence to form a similar linked list.
In a specific implementation, because the time of the acquired data is in a discrete state, when the data is obtained, the running data and the vibration amplitude can only be obtained at a certain moment, however, the point location information can contain detailed data in a previous time period, so that the point location information acquired each time can be sequenced according to the time, the point location sequence containing the point location information can be constructed first, then the running track between the two point location information is fitted according to the data information contained in each point location information, the running track is obtained according to the running direction and the steering direction, and the road spectrum information is obtained according to the vibration amplitude and the running track.
In order to further obtain the vibration amplitude, the method further comprises the following steps:
filtering the driving data to obtain vibration information of the transport means;
and obtaining the vibration amplitude according to the vibration information and a preset vibration threshold value.
It should be noted that, the preset vibration threshold refers to the vibration amplitude of the vehicle when the power device is started, and the power device may be an engine or a motor.
In a specific implementation, the transportation simulation detection device detects vibration amplitude information, but the vibration amplitude information obtained at this time is a combination of vibration caused by road surface fluctuation and vibration amplitude information when a vehicle engine or a motor works normally, so when the vibration amplitude related to road spectrum information is obtained, the vibration amplitude from the vehicle needs to be removed, only the vibration amplitude caused by uneven road surfaces is left, therefore, firstly, the vibration amplitude of the vehicle when the engine or the motor works normally is required to be measured, the average value can be removed after the vehicle is in a static state, the obtained average vibration amplitude is set as a preset vibration threshold value, and the road surface smoothness is obtained in time by the method. Taking a piezoelectric acceleration sensor as an example, if the preset vibration threshold value is 500Hz and the vibration amplitude obtained at a certain moment in the running process of the vehicle is 700Hz, the vibration amplitude caused by road surface is 200Hz.
In order to further obtain the road spectrum information, the method further comprises the following steps:
obtaining the time corresponding to the vibration amplitude according to the driving data;
sequencing the vibration amplitude according to the corresponding time of the vibration amplitude to obtain a vibration amplitude sequence;
and combining the roadmap with the vibration amplitude sequence to obtain a roadmap.
The vibration amplitude sequence refers to a set of vibration amplitudes arranged in time series.
In a specific implementation, since the vibration amplitude is obtained together with the running data, each point in the running data has vibration amplitude information corresponding to it, and therefore, first, the time corresponding to the running data, that is, the time range of the vibration amplitude, is obtained according to the running data. After the time corresponding to the running data is obtained, the vibration information is required to be corresponding to the running data, a vibration information sequence which is ordered according to the time is generated, in the previously obtained route map, the vibration information is added to the route map according to the time point correspondence, and the route map which comprises the route running condition and the road surface leveling condition is obtained.
In order to further determine the preset threshold according to the road spectrum information, the method further comprises the following steps:
determining an offset level according to the steering angle in the road spectrum information and the current speed of the transport means;
determining a vibration level according to the vibration amplitude in the road spectrum information;
obtaining a threshold level according to the offset level and the vibration level;
and obtaining a corresponding preset threshold according to the threshold level.
The offset level refers to a level of a load spectrum of a cargo that changes due to a vehicle speed and a steering during a running process of the vehicle, the vibration level is a classification of vibration amplitude, discrete vibration information is divided into several continuous blocks, vibration amplitudes of which vibration amplitudes are within a certain range are respectively corresponding to each block, and the threshold level refers to a determined threshold range obtained under a common determination of different offset levels and vibration levels.
In a specific implementation, the change of the cargo load spectrum of the vehicle at different steering angles and different vehicle speeds can be divided into a plurality of interval blocks with continuous and non-crossing intervals according to actual demands, a large number of uncertain load spectrum values are changed into controllable interval values, and corresponding adjustment instructions can be determined for the corresponding load spectrum values only by judging whether the load spectrum values fall in the corresponding intervals, so that the vehicle is convenient and quick to search compared with a certain value by singly comparing the load spectrum values, and the calculation power is saved. The vibration level is determined according to the vibration amplitude in the road spectrum information, the vibration amplitude range is divided into a plurality of vibration amplitude ranges, the vibration amplitude is judged after the vibration amplitude is obtained, the vibration amplitude is determined to be in a specific amplitude range, the vibration level is determined according to the corresponding amplitude range, the threshold level is determined according to the vibration level and the offset level, in order to be capable of more conveniently controlling the generation of the adjustment instruction, for example, the offset level can be set to be 4 and is determined by the steering angle and the vehicle speed, wherein the higher the offset level is, the greater the offset degree is, each steering angle corresponds to the vehicle speed, the higher the offset level is finally taken as the offset level, if the offset level determined by the steering angle is 2, the offset level corresponding to the vehicle speed is 3, and the finally corresponding offset level is 3. The vibration level is determined according to the vibration amplitude, the number of levels is determined by the actual situation, for example, 4 levels can be set, and the threshold level is used for directly determining the generation of the control command, the higher the threshold value is, the greater the intervention degree of the control command on the current state of the vehicle is, for example, the current offset level is 3, the vibration level is 2, the threshold level can be determined according to the offset level and the vibration level, the preset level which is determined currently is assumed to be 3, and the finally generated adjustment command is generated according to the situation that the threshold level is.
In order to further realize the control of the vehicle, the method further comprises the following steps:
and after a running adjustment instruction is sent to the transport means, starting timing, and if the load spectrum continuously exceeds the preset threshold value within the preset time, sending a forced adjustment instruction to the transport means.
The forcible adjustment command is a command to execute forcible access means to the vehicle and adjust the vehicle to a driving state indicated by the command.
In a specific implementation, after the adjustment command is sent to the vehicle, a timing device such as a timer may be started to record time, and in a preset time, if the vehicle is not adjusted to be under the running state indicated by the adjustment command, the forced adjustment command is started. When the running data of the vehicle exceeds the running data contained in the adjustment instruction, the vehicle is in a warning state, the adjustment instruction is forcedly sent to the target vehicle after the duration exceeds the preset time, for example, 10 seconds, the transportation strategy of the vehicle is adjusted, the speed of the target vehicle is reduced to the target speed, and the change amount of the speed is in a safe range for the consideration of driving safety, so that larger loss caused by driving accidents is avoided.
According to the embodiment, the driving data and the vibration amplitude of the vehicle are extracted in the driving process, the driving route map and the route map of the vehicle are determined according to the driving data and the vibration amplitude, the road condition of the road on which the vehicle is driven is simulated, the road condition comprises turning information, the road section length and the evenness of the road surface, the corresponding offset level, the vibration level and the threshold level are determined according to the driving data and the vibration amplitude, the driving state of the vehicle is regulated according to the threshold level, the vehicle is returned to the normal driving state, the timer is started after the control command is sent for more comprehensive guarantee of driving and transportation safety, the driving state of the vehicle is further detected, the driving speed of the vehicle is compared with the target driving speed indicated by the control command, and when the form speed of the vehicle is lower than the target driving speed, the timing is stopped, otherwise, the timing is continued. And when the timing exceeds a certain time, the vehicle is forcibly accessed to complete the adjustment of the running state of the vehicle. The method realizes real-time detection of the running state of the vehicle, simulates the road spectrogram of the vehicle according to the real-time detection result, judges whether the vehicle meets the safe running condition, and can correct errors when the vehicle just enters the dangerous state due to real-time data transmission, so that misjudgment caused by manual experience is avoided, and the running and transportation safety is greatly improved.
In addition, the embodiment of the invention also provides a storage medium, wherein the storage medium is stored with a transport simulation detection program, and the transport simulation detection program realizes the steps of the transport simulation detection method when being executed by a processor.
Referring to fig. 5, fig. 5 is a block diagram showing the construction of a first embodiment of the transport simulation test apparatus according to the present invention.
As shown in fig. 5, the transport simulation detection device provided by the embodiment of the invention includes:
the data acquisition module 10 is used for acquiring running data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool;
the road spectrum simulation module 20 is used for generating road spectrum information in real time according to the driving data;
the instruction generating module 30 is configured to determine a preset threshold according to the road spectrum information, compare the load spectrum with the preset threshold, and send a driving adjustment instruction to the transportation tool when the load spectrum exceeds the preset threshold.
According to the method, driving data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool are acquired, road spectrum information is generated in real time according to the driving data, a preset threshold value is determined according to the road spectrum information, the load spectrum is compared with the preset threshold value, and when the load spectrum exceeds the preset threshold value, a driving adjustment instruction is sent to the transport tool. And transmitting the parameter data acquired by the real-time vibration measuring system on the transport means to a network server, completing live simulation of the transport means, comparing the parameter data with a preset threshold value, judging whether the running state of the current transport means meets the transport requirement, and sending a running adjustment instruction to correct the running state of the transport means when the running state of the current transport means does not meet the transport requirement, so that quick response to the transport state is realized, and running and transport safety is ensured.
In an embodiment, the road spectrum simulation module 20 is further configured to perform feature extraction on the driving data to obtain a driving track and a vibration amplitude; generating a roadmap according to the running track; and obtaining road spectrum information according to the road map and the vibration amplitude.
In an embodiment, the road spectrum simulation module 20 is further configured to filter the driving data to obtain location point location information of the transport means; sorting the point positions according to the corresponding time of the point positions to obtain a point position sequence; and fitting the point location sequence to obtain the running track.
In an embodiment, the road spectrum simulation module 20 is further configured to filter the driving data to obtain vibration information of the transportation means; and obtaining the vibration amplitude according to the vibration information and a preset vibration threshold value.
In an embodiment, the road spectrum simulation module 20 is further configured to obtain a time corresponding to the vibration amplitude according to the driving data; sequencing the vibration amplitude according to the corresponding time of the vibration amplitude to obtain a vibration amplitude sequence; and combining the roadmap with the vibration amplitude sequence to obtain a roadmap.
In an embodiment, the instruction generating module 30 is further configured to determine an offset level according to the steering angle in the road spectrum information and the current speed of the transportation means; determining a vibration level according to the vibration amplitude in the road spectrum information; obtaining a threshold level according to the offset level and the vibration level;
and obtaining a corresponding preset threshold according to the threshold level.
In an embodiment, the instruction generating module 30 is further configured to start timing after sending a driving adjustment instruction to the vehicle, and send a forced adjustment instruction to the vehicle if the load spectrum continuously exceeds the preset threshold value within a preset time.
It should be understood that the foregoing is illustrative only and is not limiting, and that in specific applications, those skilled in the art may set the invention as desired, and the invention is not limited thereto.
It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present invention, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. Read Only Memory)/RAM, magnetic disk, optical disk) and including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (9)
1. The transportation simulation detection method is characterized by comprising the following steps of:
acquiring running data of a transport tool in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport tool;
generating road spectrum information in real time according to the driving data;
determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and sending a running adjustment instruction to the transport means when the load spectrum exceeds the preset threshold;
wherein, the determining the preset threshold according to the road spectrum information includes:
determining an offset grade according to the steering angle in the road spectrum information and the current speed of the transport means, wherein the offset grade refers to the grade of the change of the load spectrum of goods caused by the speed and the steering in the running process of the vehicle;
determining a vibration level according to the vibration amplitude in the road spectrum information;
obtaining a threshold level according to the offset level and the vibration level;
and obtaining a corresponding preset threshold according to the threshold level.
2. The method of claim 1, wherein generating road spectrum information in real time from the travel data comprises:
extracting characteristics of the driving data to obtain a driving track and vibration amplitude;
generating a roadmap according to the running track;
and obtaining road spectrum information according to the road map and the vibration amplitude.
3. The method of claim 2, wherein the feature extracting the travel data to obtain a travel track and a vibration amplitude comprises:
filtering the driving data to obtain position point location information of the transport means;
sorting the point positions according to the corresponding time of the point positions to obtain a point position sequence;
and fitting the point location sequence to obtain the running track.
4. The method of claim 2, wherein performing feature extraction on the travel data to obtain a vibration amplitude comprises:
filtering the driving data to obtain vibration information of the transport means;
and obtaining the vibration amplitude according to the vibration information and a preset vibration threshold value.
5. The method of claim 2, wherein the deriving road spectrum information from the road map and the vibration amplitude comprises:
obtaining the time corresponding to the vibration amplitude according to the driving data;
sequencing the vibration amplitude according to the corresponding time of the vibration amplitude to obtain a vibration amplitude sequence;
and combining the roadmap with the vibration amplitude sequence to obtain a roadmap.
6. The method of claim 1, wherein determining a preset threshold from the road spectrum information, comparing the load spectrum with the preset threshold, and when the load spectrum exceeds the preset threshold, sending a driving adjustment instruction to the vehicle, further comprises:
and after a running adjustment instruction is sent to the transport means, starting timing, and if the load spectrum continuously exceeds the preset threshold value within the preset time, sending a forced adjustment instruction to the transport means.
7. A transport simulation detection device, characterized in that the transport simulation detection device comprises:
the data acquisition module is used for acquiring running data of the transport means in a preset time interval and a load spectrum acquired by a real-time vibration measuring system in the transport means;
the road spectrum simulation module is used for generating road spectrum information in real time according to the driving data;
the instruction generation module is used for determining a preset threshold according to the road spectrum information, comparing the load spectrum with the preset threshold, and sending a running adjustment instruction to the transport tool when the load spectrum exceeds the preset threshold;
wherein, the determining the preset threshold according to the road spectrum information includes:
determining an offset grade according to the steering angle in the road spectrum information and the current speed of the transport means, wherein the offset grade refers to the grade of the change of the load spectrum of goods caused by the speed and the steering in the running process of the vehicle;
determining a vibration level according to the vibration amplitude in the road spectrum information;
obtaining a threshold level according to the offset level and the vibration level;
and obtaining a corresponding preset threshold according to the threshold level.
8. A transport simulation test apparatus, the apparatus comprising: a memory, a processor and a transport simulation detection program stored on the memory and executable on the processor, the transport simulation detection program being configured to implement the steps of the transport simulation detection method of any of claims 1 to 6.
9. A storage medium having stored thereon a transport simulation detection program which, when executed by a processor, implements the steps of the transport simulation detection method according to any one of claims 1 to 6.
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