Disclosure of Invention
The embodiment of the application aims to provide a method, a controller and engineering machinery for detecting axle load.
In order to achieve the above object, a first aspect of the present application provides a method for detecting an axle load, the method being applied to a working machine, the working machine including a plurality of suspension bridges, the method including:
acquiring stress information of each suspension bridge;
determining the pressure axle load of each suspension bridge according to the stress information;
acquiring the horizontal state information of the whole engineering machinery, and determining a first inclination angle and a second inclination angle according to the horizontal state information;
determining a tilt axle load correction coefficient according to the first tilt angle and the second tilt angle;
and determining the axle load corresponding to each suspension bridge according to the pressure axle load and the inclined axle load correction coefficient.
In the embodiment of the application, the method further comprises the steps of determining the position of a suspension oil cylinder of each suspension bridge; determining a suspension axle load correction coefficient of each suspension bridge according to the position of a suspension oil cylinder of each suspension bridge;
in the embodiment of the application, the axle load corresponding to each suspension bridge is determined according to the pressure axle load and the suspension axle load correction coefficient, and or the axle load corresponding to each suspension bridge is determined according to the pressure axle load, the inclined axle load correction coefficient and the suspension axle load correction coefficient.
In the embodiment of the application, determining the axle load corresponding to each suspension bridge according to the pressure axle load, the inclination axle load correction coefficient and the suspension axle load correction coefficient comprises determining the axle load corresponding to each suspension bridge according to a formula (1):
Qx=ax*cx*F (1)
wherein Q isxAxial load representing the x-th suspension bridge, axRepresents the tilt axis load correction coefficient of the x-th suspension bridge, cxAnd F represents the pressure axle load of the x-th suspension bridge.
In an embodiment of the present application, determining the tilt axle load correction factor according to the first tilt angle and the second tilt angle includes: determining the absolute value of the difference value between the first inclination angle and the first preset angle as a first absolute value; determining the absolute value of the difference value between the second inclination angle and the second preset angle as a second absolute value; and determining the inclination axis load correction coefficient as a first value under the condition that the first absolute value is smaller than the first angle threshold value and the second absolute value is smaller than the second angle threshold value.
In the embodiment of the present application, in the case where the first absolute value is greater than or equal to the first angle threshold and/or the second absolute value is greater than or equal to the second angle threshold, the tilt axis load correction coefficient is the sum of the product of the first absolute value and the first weight and the product of the second absolute value and the second weight.
In the embodiment of the present application, determining the suspension axle load correction coefficient of each suspension bridge according to the position of the suspension cylinder of each suspension bridge includes: determining the position of the suspension oil cylinder according to the position of the suspension oil cylinder; determining the absolute value of the difference value between the position and the preset hanging position as a third absolute value; and under the condition that the third absolute value is smaller than the preset suspension threshold value, determining that the suspension axle load correction coefficient is a second numerical value.
In the embodiment of the present application, in the case where the third absolute value is greater than or equal to the preset suspension threshold, the suspension axle load correction coefficient is a sum of a product of a square of the third absolute value and the second weight and a product of the third absolute value and the third weight.
In the embodiment of the application, before the stress information of each suspension bridge is acquired, it is determined that the engineering machinery switch device is in an on state, and the chassis of the engineering machinery is powered on.
In the embodiment of the application, the whole vehicle weight of the engineering machinery is determined according to the axle load; and under the condition that the weight of the whole vehicle is greater than a preset weight threshold value, sending an alarm prompt, and adjusting the driving gear of the engineering machinery to be an early warning gear so as to enable the driving speed of the engineering machinery to be less than the early warning speed.
A second aspect of the present application provides a controller configured to perform the above-described method for detecting an axle load.
A third aspect of the present application provides a construction machine comprising:
a plurality of suspension bridges; and
the controller configured to perform the method for detecting axle load is described above.
In an embodiment of the present application, the controller is further configured to: determining the whole vehicle weight of the engineering machinery according to the axle load; controlling the speed of the engineering machinery to be lower than the early warning speed and controlling the running gear of the engineering machinery to be lower than the early warning gear under the condition that the weight of the whole vehicle is larger than a preset weight threshold; the construction machine further includes: the alarm equipment is used for sending out an alarm prompt; the alarm prompt comprises at least one of an axle load overrun alarm, a whole vehicle weight overrun alarm and an axle load and speed matching abnormity alarm.
In an embodiment of the present application, the construction machine further includes: and the display equipment is used for displaying the axle load weight of the whole vehicle and the alarm prompt information.
In the embodiment of the application, the engineering machine is a crane.
According to the technical scheme, the correction coefficient is determined, and the axle load of the whole vehicle and each suspension bridge is detected through the correction coefficient, so that the axle load can be detected on a flat road surface or an undulating road surface or a ramp road surface, axle load detection data can be more accurately determined, and the method has the applicability of all road conditions.
Additional features and advantages of embodiments of the present application will be described in detail in the detailed description which follows.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the specific embodiments described herein are only used for illustrating and explaining the embodiments of the present application and are not used for limiting the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 schematically shows a flow chart of a method for detecting an axle load according to an embodiment of the present application. FIG. 1 is a flowchart illustrating a file update method according to an embodiment. It should be understood that, although the steps in the flowchart of fig. 1 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 1 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps. In one embodiment of the present application, as shown in fig. 1, there is provided a method for detecting an axle load, the method being applied to a working machine including a plurality of suspension bridges, the method including the steps of:
step 101, acquiring stress information of each suspension bridge.
And 102, determining the pressure axle load of each suspension bridge according to the stress information.
Step 103, acquiring the horizontal state information of the whole engineering machine, and determining a first inclination angle and a second inclination angle according to the horizontal state information.
And 104, determining a tilt axle load correction coefficient according to the first tilt angle and the second tilt angle.
And 105, determining the axle load corresponding to each suspension bridge according to the pressure axle load and the inclined axle load correction coefficient.
The engineering machinery comprises a plurality of suspension bridges, and in the driving process of the engineering machinery, the controller needs to detect the axle load of the suspension bridges, so that the condition that the axle load is over-limited in the driving process of the engineering machinery is avoided. Firstly, the controller receives the stress information of each suspension bridge determined by the sensor, and then determines the pressure axle load of each suspension bridge according to the stress information. The controller acquires the horizontal state information of the whole engineering machinery, and determines a first inclination angle and a second inclination angle according to the horizontal state information, wherein the horizontal state information refers to the angle information of the whole engineering machinery in the horizontal direction and the vertical direction. The processor determines a tilt axle load correction factor based on the first tilt angle and the second tilt angle. The processor can determine the axle load corresponding to each suspension bridge in real time according to the pressure axle load and the inclined axle load correction coefficient. The sensor may include a pressure detection sensor and a displacement detection sensor, among others.
In one embodiment, the method further comprises determining a suspension cylinder position for each suspension bridge; determining a suspension axle load correction coefficient of each suspension bridge according to the position of a suspension oil cylinder of each suspension bridge; in a specific embodiment, the axle load corresponding to each suspension bridge is determined according to the pressure axle load and the suspension axle load correction coefficient, and/or the axle load corresponding to each suspension bridge is determined according to the pressure axle load, the inclined axle load correction coefficient and the suspension axle load correction coefficient.
In one embodiment, determining the tilt axle load correction factor from the first tilt angle and the second tilt angle comprises: determining the absolute value of the difference value between the first inclination angle and the first preset angle as a first absolute value; determining the absolute value of the difference value between the second inclination angle and the second preset angle as a second absolute value; and determining the inclination axis load correction coefficient as a first value under the condition that the first absolute value is smaller than the first angle threshold value and the second absolute value is smaller than the second angle threshold value. In a specific embodiment, the first inclination angle X1At a first predetermined angle X1 is provided withI.e. the first absolute value ═ X1-X1 is provided withL. Second inclination angle Y2At a second predetermined angle Y2 is provided withI.e. a second absolute value ═ Y2-Y2 is provided withL. At a first absolute value | X1-X1 is provided with| is less than a first angle threshold, and a second absolute value | Y2-Y2 is provided withDetermining the inclined axle load correction coefficient a under the condition that I is less than the second angle threshold valueXThe first value a may be preset by a technician according to historical data or experience.
In one embodiment, the tilt axis load correction factor is the sum of the product of the first absolute value and the first weight and the product of the second absolute value and the second weight in the case where the first absolute value is greater than or equal to the first angle threshold and/or the second absolute value is greater than or equal to the second angle threshold. Specifically, inFirst absolute value | X1-X1 is provided with| is greater than or equal to a first angular threshold and/or a second absolute value | Y2-Y2 is provided withThe tilt axial load correction coefficient ax is a first absolute value | X | (when | is greater than or equal to a second angle threshold)1-X1 is provided withThe product of | and the first weight a1 and the second absolute value | Y2-Y2 is provided withThe sum of |, multiplied by the second weight b2, can be formulated as: a isX=a1*(|X1-X1 is provided with|)+b1*(|Y2-Y2 is provided with|), wherein the first weight a1 and the second weight a2 can be preset by a skilled person. Specifically, the first absolute value | X1-X1 is provided with| is greater than or equal to a first angular threshold and/or a second absolute value | Y2-Y2 is provided withThe case where | is greater than or equal to the second angle threshold includes the following cases: 1) first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold, and a second absolute value | Y2-Y2 is provided with| is less than a second angle threshold; 2) second absolute value | Y2-Y2 is provided with| is greater than or equal to a second angle threshold, and the first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold; 3) first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold, and a second absolute value | Y2-Y2 is provided with| is greater than or equal to the second angle threshold.
In one embodiment, determining the suspension axle load correction factor of each suspension bridge according to the position of the suspension cylinder of each suspension bridge comprises: determining the real-time position of the suspension oil cylinder according to the position of the suspension oil cylinder; determining the absolute value of the difference value between the real-time position and the preset hanging position as a third absolute value; and under the condition that the third absolute value is smaller than the preset suspension threshold value, determining that the suspension axle load correction coefficient is a second numerical value. In a specific embodiment, the processor may determine the real-time position Zx of the suspension cylinder according to the position of the suspension cylinder, and determine the real-time position Zx and the preset suspension position Zx is provided withIs a third absolute value | Zx-Zx is provided withL. At a third absolute value of | Zx-Zx is provided withUnder the condition that | is less than a preset suspension threshold value, the suspension axle load correction coefficient c can be determinedXThe second value c is also a second value, wherein the second value c can also be predetermined by a technician on the basis of historical data or empirical values.
In one embodiment, in the case where the third absolute value is greater than or equal to the preset suspension threshold, the suspension axle load correction coefficient is a sum of a product of a square of the third absolute value and the second weight and a product of the third absolute value and the third weight. Specifically, at the third absolute value | Zx-Zx is provided withUnder the condition that | is greater than or equal to a preset suspension threshold value, the suspension axle load correction coefficient cXIs a third absolute value | Zx-Zx is provided withThe product of the square of | and the second weight c1 and a third absolute value | Zx-Zx is provided withThe sum of |, multiplied by the third weight c2, can be formulated as: c. CX=c1*(|Zx-Zx is provided with|)2+c2*(|Zx-Zx is provided with|), wherein the second weight c1 and the third weight c2 can be preset by the skilled person.
In one embodiment, determining the axle load corresponding to each suspension bridge in real time according to the pressure axle load, the tilt axle load correction factor and the suspension axle load correction factor comprises determining the axle load corresponding to each suspension bridge according to the formula (1):
Qx=ax*cx*F (1)
wherein Q isxAxial load representing the x-th suspension bridge, axRepresents the tilt axis load correction coefficient of the x-th suspension bridge, cxAnd F represents the pressure axle load of the x-th suspension bridge. The controller respectively determines the pressure axle load F and the inclined axle load correction coefficient axSuspension axle load correction coefficient cxAnd (4) calculating the axle load corresponding to each suspension bridge through a formula (1).
In one embodiment, the axle load Q is based onxDetermining the whole vehicle weight of the engineering machinery; and under the condition that the weight of the whole vehicle is greater than a preset weight threshold value, sending an alarm prompt, and adjusting the driving gear of the engineering machinery to be an early warning gear so as to enable the driving speed of the engineering machinery to be less than the early warning speed. And simultaneously, the controller displays the axle load, the whole vehicle weight and the alarm prompt information through a display device.
In one embodiment, as shown in fig. 2, fig. 2 schematically illustrates a schematic diagram of a determination logic of a method for detecting an axle load according to an embodiment of the present application. As shown in the figure:
before the controller acquires the stress information F of each suspension bridge, determining that the engineering machinery switch equipment is in an open state, and determining that a chassis of the engineering machinery is electrified; the controller receives information of the pressure detection sensor and the displacement detection sensor and determines stress information F of each suspension bridge; and determining the pressure axial load F of each suspension bridge according to the stress information Fx(ii) a The controller receives and acquires the horizontal state information of the whole engineering machinery, and determines a first inclination angle X according to the horizontal state information1And a second inclination angle Y2。
At a first absolute value | X1-X1 is provided with| is less than a first angle threshold, and a second absolute value | Y2-Y2 is provided withDetermining the inclined axle load correction coefficient a under the condition that I is less than the second angle threshold valuexThe first value a is a first value a which can be preset by a technician; at a first absolute value | X1-X1 is provided with| is greater than or equal to a first angular threshold and/or a second absolute value | Y2-Y2 is provided withThe tilt axial load correction coefficient a is set to be equal to or greater than the second angle thresholdxIs a first absolute value | X1-X1 is provided withThe product of | and the first weight a1 and the second absolute value | Y2-Y2 is provided withThe sum of |, multiplied by the second weight b2, may be expressed as the formula: a isx=a1*(|X1-X1 is provided with|)+b1*(|Y2-Y2 is provided with|), the first weight a1 and the second weight a2 can be preset by a skilled person, specifically, the first absolute value | X1-X1 is provided with| is greater than or equal to a first angular threshold and/or a second absolute value | Y2-Y2 is provided withThe case where | is greater than or equal to the second angle threshold includes the following cases: 1) first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold, and a second absolute value | Y2-Y2 is provided with| is less than a second angle threshold; 2) second absolute value | Y2-Y2 is provided with| is greater than or equal to a second angle thresholdAnd the first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold; 3) first absolute value | X1-X1 is provided with| is greater than or equal to a first angle threshold, and a second absolute value | Y2-Y2 is provided with| is greater than or equal to the second angle threshold.
After determining the inclination axle load correction coefficient, the controller detects the position Zx of each bridge suspension oil cylinder through the suspension oil cylinder detection element and detects the position Zx of each bridge suspension oil cylinder at a third absolute value | Zx-Zx is provided withDetermining the suspension axle load correction coefficient c under the condition that | is less than the preset suspension threshold valueXThe second value c is a second numerical value c which can be preset by a technician; at a third absolute value of | Zx-Zx is provided withUnder the condition that | is greater than or equal to a preset suspension threshold value, the suspension axle load correction coefficient cXIs a third absolute value | Zx-Zx is provided withThe product of the square of | and the second weight c1 and a third absolute value | Zx-Zx is provided withThe sum of |, multiplied by the third weight c2, may be expressed as the formula: c. CX=c1*(|Zx-Zx is provided with|)2+c2*(|Zx-Zx is provided with|), the second weight c1 and the third weight c2 may be preset by a skilled person.
In determining the tilt axle load correction factor aXAnd suspension axle load correction factor cxThen, the axle load corresponding to each suspension bridge is determined by the formula (1):
Qx=ax*cx*F (1)
wherein Q isxAxial load representing the x-th suspension bridge, axRepresents the tilt axis load correction coefficient of the x-th suspension bridge, cxAnd F represents the pressure axle load of the x-th suspension bridge. Controller according to QxAnd calculating the weight of the whole axle load, sending an alarm prompt when the weight of the whole automobile is greater than a preset weight threshold value, and adjusting the driving gear of the engineering machinery to be an early warning gear so that the driving speed of the engineering machinery is less than the early warning speed. And simultaneously, the controller displays the axle load, the whole vehicle weight and the alarm prompt information through a display device.
According to the technical scheme, the correction coefficient is determined, and the axle load of the whole vehicle and each suspension bridge is detected in real time through the correction coefficient, so that the axle load can be detected in real time on a flat road surface or an undulating road surface or a ramp road surface, the axle load detection data can be determined more accurately, and the all-road-condition applicability is higher. In one embodiment, as shown in fig. 3, fig. 3 schematically shows a structural block diagram of a working machine 300 according to an embodiment of the present application, including:
a suspension bridge 301;
the alarm device 302 is used for sending out alarm prompts, wherein the alarm prompts comprise at least one of an axle load overrun alarm, a whole vehicle weight overrun alarm and an axle load and speed matching abnormity alarm;
the display device 303 is used for displaying the whole axle load weight and the alarm prompt information in real time;
a controller 304 configured to perform the above-described method for detecting axle load.
In one embodiment, the controller is further configured to: determining the whole vehicle weight of the engineering machinery according to the axle load; and under the condition that the weight of the whole vehicle is greater than a preset weight threshold value, controlling the speed of the engineering machinery to be smaller than the early warning speed, and controlling the driving gear of the engineering machinery to be smaller than the early warning gear.
The embodiment of the application provides a controller, wherein the controller is used for running a program, and the method for detecting the axle load is executed when the program runs.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more than one kernel can be set, and the method for detecting the axle load is realized by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the application provides equipment, the equipment comprises a controller, a memory and a program which is stored on the memory and can run on the controller, and the following steps are realized when the controller executes the program: acquiring stress information of each suspension bridge; determining the pressure axle load of each suspension bridge according to the stress information; acquiring the horizontal state information of the whole engineering machinery, and determining a first inclination angle and a second inclination angle according to the horizontal state information; determining a tilt axle load correction coefficient according to the first tilt angle and the second tilt angle; determining a suspension axle load correction coefficient of each suspension bridge according to the position of a suspension oil cylinder of each suspension bridge; and determining the axle load corresponding to each suspension bridge in real time according to the pressure axle load, the inclined axle load correction coefficient and the suspension axle load correction coefficient.
In the embodiment of the application, the method further comprises the steps of determining the position of a suspension oil cylinder of each suspension bridge; determining a suspension axle load correction coefficient of each suspension bridge according to the position of a suspension oil cylinder of each suspension bridge;
in the embodiment of the application, the axle load corresponding to each suspension bridge is determined according to the pressure axle load and the suspension axle load correction coefficient, and or the axle load corresponding to each suspension bridge is determined according to the pressure axle load, the inclined axle load correction coefficient and the suspension axle load correction coefficient.
In the embodiment of the application, the real-time determination of the axle load corresponding to each suspension bridge according to the pressure axle load, the inclination axle load correction coefficient and the suspension axle load correction coefficient comprises the steps of determining the axle load corresponding to each suspension bridge according to a formula (1):
Qx=ax*cx*F (1)
wherein Q isxAxial load representing the x-th suspension bridge, axRepresents the tilt axis load correction coefficient of the x-th suspension bridge, cxAnd F represents the pressure axle load of the x-th suspension bridge.
In an embodiment of the present application, determining the tilt axle load correction factor according to the first tilt angle and the second tilt angle includes: determining the absolute value of the difference value between the first inclination angle and the first preset angle as a first absolute value; determining the absolute value of the difference value between the second inclination angle and the second preset angle as a second absolute value; and determining the inclination axis load correction coefficient as a first value under the condition that the first absolute value is smaller than the first angle threshold value and the second absolute value is smaller than the second angle threshold value.
In the embodiment of the present application, in the case where the first absolute value is greater than or equal to the first angle threshold and/or the second absolute value is greater than or equal to the second angle threshold, the tilt axis load correction coefficient is the sum of the product of the first absolute value and the first weight and the product of the second absolute value and the second weight.
In the embodiment of the present application, determining the suspension axle load correction coefficient of each suspension bridge according to the position of the suspension cylinder of each suspension bridge includes: determining the real-time position of the suspension oil cylinder according to the position of the suspension oil cylinder; determining the absolute value of the difference value between the real-time position and the preset hanging position as a third absolute value; and under the condition that the third absolute value is smaller than the preset suspension threshold value, determining that the suspension axle load correction coefficient is a second numerical value.
In the embodiment of the present application, in the case where the third absolute value is greater than or equal to the preset suspension threshold, the suspension axle load correction coefficient is a sum of a product of a square of the third absolute value and the second weight and a product of the third absolute value and the third weight.
In the embodiment of the application, before the stress information of each suspension bridge is acquired, it is determined that the engineering machinery switch device is in an on state, and the chassis of the engineering machinery is powered on.
In the embodiment of the application, the whole vehicle weight of the engineering machinery is determined according to the axle load; and under the condition that the weight of the whole vehicle is greater than a preset weight threshold value, sending an alarm prompt, and adjusting the driving gear of the engineering machinery to be an early warning gear so as to enable the driving speed of the engineering machinery to be less than the early warning speed.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.