CN115782585A - Monitoring system, method and medium for enabling signal transmission node - Google Patents
Monitoring system, method and medium for enabling signal transmission node Download PDFInfo
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Abstract
The invention discloses a monitoring system, a method and a medium for enabling signal transmission nodes. The system comprises a functional layer, a functional monitoring layer and a direct current converter; the functional layer is connected with the direct current converter; the function monitoring layer is respectively connected with the function layer and the direct current converter; the functional layer is used for generating a first enabling signal and sending the first enabling signal to the direct current converter; the direct current converter is used for processing the first enabling signal to obtain a second enabling signal; the function monitoring layer is used for determining a monitoring result of the functional layer or the direct current converter according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of the direct current converter working normally. By executing the scheme, the requirements of safety of a low-voltage power supply control function and high-cohesion low-coupling of the vehicle can be met, and the working state of the enabling signal transmission node can be monitored.
Description
Technical Field
The present invention relates to the field of financial technologies, and in particular, to a system, method, and medium for monitoring an enable signal transmission node.
Background
With the increasing environmental awareness and the increasing laws and regulations, the development of new energy vehicles is greatly promoted. Meanwhile, along with the continuous improvement of the safety awareness of users, the monitoring of the control function safety of the low-voltage power supply of the automobile is also a factor which must be considered by automobile designers gradually.
The prior art does not provide a set of effective monitoring scheme for monitoring the state of an enable signal output node of a direct current converter in the aspect of low-voltage power supply control of a new energy vehicle, wherein the monitoring scheme meets the requirements of functional safety and high-cohesion low-coupling.
Disclosure of Invention
The invention provides a monitoring system, a method and a medium of an enabling signal transmission node, which can meet the requirements of low-voltage power supply control function safety and high-cohesion low-coupling of a vehicle and can monitor the working state of the enabling signal transmission node.
According to an aspect of the present invention, there is provided a monitoring system of an enable signal transmission node, the system including a functional layer, a functional monitoring layer, and a dc converter; wherein:
the functional layer is connected with the direct current converter; the function monitoring layer is respectively connected with the function layer and the direct current converter;
the functional layer is used for generating a first enable signal and sending the first enable signal to the direct current converter;
the direct current converter is used for processing the first enabling signal to obtain a second enabling signal;
the function monitoring layer is used for determining a monitoring result of the functional layer or the direct current converter according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of normal work of the direct current converter.
According to another aspect of the present invention, there is provided a monitoring method of an enable signal transmission node, the method including:
generating a first enable signal through a functional layer and sending the first enable signal to a direct current converter;
processing the first enabling signal through the direct current converter to obtain a second enabling signal;
determining a monitoring result of the functional layer or the direct current converter through a functional monitoring layer according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of normal work of the direct current converter.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement the monitoring method of an enabling signal transmission node according to any one of the embodiments of the present invention when the computer instructions are executed.
The technical scheme of the embodiment of the invention comprises a functional layer, a functional monitoring layer and a direct current converter; the functional layer is connected with the direct current converter; the function monitoring layer is respectively connected with the function layer and the direct current converter; the functional layer is used for generating a first enabling signal and sending the first enabling signal to the direct current converter; the direct current converter is used for processing the first enabling signal to obtain a second enabling signal; the function monitoring layer is used for determining a monitoring result of the functional layer or the direct current converter according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of the direct current converter working normally. By executing the scheme, the requirements of safety of a low-voltage power supply control function and high-cohesion low-coupling of the vehicle can be met, and the working state of the enabling signal transmission node can be monitored.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1a is a schematic structural diagram of a monitoring system for enabling a signal transmission node according to an embodiment of the present invention;
FIG. 1b is a schematic diagram illustrating the low-voltage power conversion and control of an electric vehicle according to an embodiment of the present invention;
FIG. 1c is a schematic diagram of a hierarchical software architecture for DCDC-enabled control according to an embodiment of the present invention;
fig. 2 is a flowchart of a monitoring method for enabling a signal transmission node according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device implementing the monitoring method of the enabling signal transmission node according to the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It can be understood that, before the technical solutions disclosed in the embodiments of the present invention are used, the type, the applicable scope, the usage scenario, etc. of the personal information related to the present invention should be informed to the user and authorized by the user in a proper manner according to relevant laws and regulations.
Fig. 1a is a schematic structural diagram of a monitoring system for enabling a signal transmission node according to an embodiment of the present invention. As shown in fig. 1a, the system comprises: a functional layer 11, a function monitoring layer 12, and a dc converter 13; wherein:
the functional layer 11 is connected with a direct current converter 13; the function monitoring layer 12 is respectively connected with the function layer 11 and the direct current converter 13;
the functional layer 11 is used for generating a first enable signal and sending the first enable signal to the direct current converter 13;
the direct current converter 13 is used for processing the first enable signal to obtain a second enable signal;
the function monitoring layer 12 is configured to determine a monitoring result of the functional layer 11 or the dc converter 13 according to the first enable signal, the second enable signal, and a preset signal value; the preset signal value is a signal value of the direct current converter 13 working normally.
For example, an electric vehicle may divide electrical systems into low-voltage electrical systems and high-voltage electrical systems according to different voltage classes and applications. The low-voltage electric system adopts a direct-current 12v power supply, namely a storage battery; on one hand, the power supply is provided for conventional low-voltage electrical appliances such as lamplight, instruments, entertainment and horn systems and the like; and on the other hand, the power is supplied to high-voltage electrical equipment controllers and auxiliary components such as a vehicle control unit VCU, a motor controller MCU, a battery management system BMS, an instrument controller ICM and the like.
As shown in fig. 1b, the storage battery of the electric vehicle is charged by the power battery through the dc converter during the vehicle running or charging process. The direct current enabling signal is controlled by the VCU, and meanwhile, the direct current converter feeds back the working state of the direct current converter to the VCU in real time through a CAN signal; the VCU collects voltage signals of the storage battery in real time, and if the VCU detects the fault of the direct current converter or the fault of the low-voltage power supply, the voltage signals are sent to the instrument through the CAN signals to give an alarm to prompt a driver.
The E-Gas architecture is firstly applied to an engine controller EMS and is divided into a Level1 functional layer, a Level2 functional monitoring layer and a Level3 controller monitoring layer. Level1 is referred to as the functional layer and includes engine control functions, i.e., implementing the requested engine torque, component monitoring, input/output variable diagnostics, and controlling system reaction when a fault is detected. Level2 is referred to as a function monitoring layer and detects faulty processes of Level1 function software, for example, by monitoring a calculated torque value or vehicle acceleration. When the system fails, a system reaction is triggered. Level3 is called the controller monitoring layer and the monitoring module should be an independent part of the function controller (e.g. ASIC or controller) that tests whether the program is executing correctly during the question-and-answer procedure and when a fault occurs, the system reaction is triggered independently of the function controller.
No matter how the Level1 function layer is, the monitored function should be calculated in the Level2 monitoring layer and brought into a controllable state when an error occurs, and the independent development of the Level1 and the Level2 ensures that the system error does not have the same influence on the Level1 and the Level 2.
At present, an E-Gas structure becomes a mainstream design method meeting the functional safety design, namely Level2 is realized by application layer development, and Level3 is realized by a chip developed by a chip manufacturer or a self-test code of a peripheral or third-party special software.
The vehicle in the scheme is a new energy vehicle, as shown in fig. 1c, the functional layer 11 is a Level1 functional layer in an E-Gas structure, the function monitoring layer 12 is a Level2 function monitoring layer in the E-Gas structure, and the direct current converter 13 is a DCDC converter. The first enable signal may be a dc enable signal generated by the functional layer 11 and sent to the dc converter 13, and a value of the first enable signal may be set according to actual needs, and may be, for example, 0 or 1. The dc converter 13 may process the first enable signal to obtain a second enable signal. The value of the second enable signal may be set according to actual needs, and may be, for example, 0 or 1. The preset signal value may be 1, which is a signal value when the dc converter 13 is in normal operation.
The Level1 functional layer can be described as judging whether to enable the direct current converter 13 according to the state of the whole vehicle and outputting an enable signal to the direct current converter 13, and the direct current converter 13 converts a high-voltage point of a high-voltage power battery into a low-voltage point according to the enable signal and supplies power to the storage battery, so that the low-voltage power supply requirement of the whole vehicle is met. However, in the transmission process of the enable signal, a Level1 functional layer fault or a dc converter 13 fault may occur, so that the enable signal output by the Level1 functional layer is 0 or the working state returned by the dc converter 13 is abnormal, and the low-voltage power supply requirement of the entire vehicle cannot be met.
In this scheme, the functional layer 11 may generate a first enable signal and send the first enable signal to the dc converter 13; the dc converter 13 may perform conversion processing on the first enable signal to obtain a second enable signal; the function monitoring layer 12 may determine a monitoring result of the functional layer 11 or the dc converter 13 according to the first enable signal, the second enable signal, and a preset signal value. Whether the functional layer 11 is malfunctioning is determined, for example, based on whether the first enable signal is consistent with a preset signal value. Or, determining whether the dc converter 13 is faulty according to whether the second enable signal is consistent with a preset signal value and the working state fed back by the dc converter 13.
The technical scheme of the embodiment of the invention comprises a functional layer, a functional monitoring layer and a direct current converter; the functional layer is connected with the direct current converter; the function monitoring layer is respectively connected with the function layer and the direct current converter; the functional layer is used for generating a first enabling signal and sending the first enabling signal to the direct current converter; the direct current converter is used for processing the first enabling signal to obtain a second enabling signal; the function monitoring layer is used for determining a monitoring result of the functional layer or the direct current converter according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of the direct current converter working normally. By executing the scheme, the requirements of safety of a low-voltage power supply control function and high-cohesion low-coupling of the vehicle can be met, and the working state of the enabling signal transmission node can be monitored.
In this embodiment, optionally, the system further includes a storage battery, connected to the dc converter 13, for receiving the electric energy transmitted by the dc converter 13;
and the function monitoring layer 12 is specifically configured to determine that the monitoring result of the functional layer 11 is a functional layer fault if it is determined that the vehicle is in the running state, the voltage of the storage battery is in a preset voltage constraint interval, the first enable signal is not the preset signal value, and the duration of the first enable signal reaches a first preset duration.
For example, the first preset duration may be set according to actual needs, for example, the first preset duration may be 10s, and the first preset duration may be 20s. The preset voltage constraint interval may be a voltage interval in which the storage battery normally operates, and may be set according to actual needs, for example, 12v to 15v. The dc converter 13 may convert the high voltage point of the high voltage power battery into a low voltage point according to an enable signal of a preset signal value and supply power to the storage battery. If the function monitoring layer 12 determines that the new energy vehicle is in a high-voltage running state, the voltage of the storage battery is within a preset voltage constraint interval, the first enable signal is not a preset signal value, and the duration of the first enable signal reaches a first preset duration, it indicates that the first enable signal generated by the functional layer 11 is abnormal, and it is determined that the monitoring result of the functional layer 11 is a functional layer fault.
Therefore, if the vehicle is determined to be in the running state, the voltage of the storage battery is in the preset voltage constraint interval, the first enabling signal is not the preset signal value, and the duration of the first enabling signal reaches the first preset duration, the monitoring result of the functional layer is determined to be the functional layer fault. The fault of the functional layer can be found in time under the layered design meeting the functional safety, and the control of the low-voltage power supply is realized.
In this embodiment, optionally, the function monitoring layer 12 is specifically configured to determine that the monitoring result of the dc converter 13 is a dc converter fault if it is determined that the second enable signal is the preset signal value, the current working state of the dc converter 13 is not the preset working state, and the duration of the current working state reaches a second preset duration.
For example, the preset operation state may be a normal operation state. The second preset duration may be set according to actual needs, and may be 10s or 15s, for example. In this embodiment, the function monitoring layer 12 may send a signal to the dc converter 13 to obtain the operating state of the dc converter 13. The dc converter 13 feeds back the operating state to the function monitoring layer 12 according to the signal. If the function monitoring layer 12 determines that the second enable signal is the preset signal value, but the current working state of the dc converter 13 is not the preset working state, and the duration of the current working state reaches the second preset duration, it indicates that the dc converter 13 cannot work normally according to the preset signal value, and may determine that the monitoring result of the dc converter 13 is a dc converter fault.
Therefore, if the second enable signal is determined to be the preset signal value, the current working state of the direct current converter is not the preset working state, and the duration time of the current working state reaches the second preset duration time, the monitoring result of the direct current converter is determined to be the fault of the direct current converter. The fault of the direct current converter can be found in time under the condition of meeting the layered design of functional safety, and the control of the low-voltage power supply is realized.
In one possible embodiment, optionally, the system further includes a basic software layer, which is respectively connected to the functional layer 11, the function monitoring layer 12, and the dc converter 13;
the functional layer 11 is further configured to send the first enable signal to the base software layer;
and the basic software layer is configured to process the first enable signal to obtain a third enable signal, and send the third enable signal to the dc converter 13.
Illustratively, as shown in FIG. 1c, the base software layer may be a hard-wired high-side driver. In this scheme, the functional layer 11 may send the first enable signal to the basic software layer, the basic software layer processes the first enable signal to obtain a third enable signal, and sends the third enable signal to the dc converter 13, and the dc converter 13 then obtains a second enable signal according to the third enable signal, and determines whether to supply power to the storage battery according to the second enable signal. And the function monitoring layer 12 may be connected with the base software layer to determine a third enable signal of the base software layer. The method and the device can realize the transmission of the enabling signal through a basic software layer, and further contribute to realizing the control of the low-voltage power supply.
In another possible embodiment, optionally, the function monitoring layer 12 is further configured to determine that the monitoring result of the basic software layer is a basic software layer fault if it is determined that the first enable signal is the preset signal value, the third enable signal is not the preset signal value, and the duration of the third enable signal reaches a third preset duration.
For example, the third preset duration may be set according to actual needs, for example, the third preset duration may be 10s, or the third preset duration may be 20s. In this scheme, if the function monitoring layer 12 determines that the first enable signal is the preset signal value, but the third enable signal is not the preset signal value, and the duration of the third enable signal reaches the third preset duration, it indicates that an error occurs in the basic software layer during the enabling signal processing, and determines that the monitoring result of the basic software layer is a fault of the basic software layer. The fault of the basic software layer can be found in time under the layered design meeting the function safety, and the low-voltage power supply control is realized.
In yet another possible embodiment, optionally, the base software layer includes a hard-wired high-side driver. The transmission of the dc enable signal can be realized.
In yet another possible embodiment, optionally, the function monitoring layer 12 is further configured to generate and display a corresponding warning prompt according to the monitoring result after determining the monitoring result of the functional layer 11 or the dc converter 13 according to the first enable signal, the second enable signal and a preset signal value.
For example, in the present embodiment, after determining a functional layer fault, a dc converter fault, or a basic software layer fault, the functional monitoring layer 12 may record the corresponding fault, and perform alarm display through a meter to remind a driver to perform vehicle maintenance. The safety of the vehicle in the running process can be improved.
In addition, in this scheme, after the function monitoring layer 12 generates and displays a corresponding early warning prompt according to the monitoring result, if the driver removes the fault in time, the first enable signal is restored to the preset signal value, and/or the third enable signal is restored to the preset signal value, and/or the current working state of the dc converter 13 is the preset working state, the fault early warning can be eliminated, and the monitoring result of the low-voltage power supply can be updated in real time.
Fig. 2 is a flowchart of a monitoring method for an enable signal transmission node according to an embodiment of the present invention. The embodiment is applicable to a new energy vehicle low-voltage power supply control scenario, the monitoring method for the enabling signal transmission node may be executed by the monitoring system for the enabling signal transmission node provided in the embodiment of the present invention, and the monitoring system for the enabling signal transmission node may be implemented by software and/or hardware, and may be generally integrated in an electronic device for monitoring the enabling signal transmission node. The monitoring method of the enabling signal transmission node and the monitoring system of the enabling signal transmission node provided in the above embodiments belong to the same public concept, and details that are not described in detail in the method embodiments may refer to the description in the above embodiments.
As shown in fig. 2, the method for monitoring an enable signal transmission node in the embodiment of the present invention may include:
and S210, generating a first enabling signal through a functional layer, and sending the first enabling signal to a direct current converter.
And S220, processing the first enabling signal through the direct current converter to obtain a second enabling signal.
And S230, determining a monitoring result of the functional layer or the direct current converter through a functional monitoring layer according to the first enabling signal, the second enabling signal and a preset signal value.
The preset signal value is a signal value of normal work of the direct current converter.
In this embodiment, optionally, the electric energy transmitted by the dc converter is received by a storage battery;
determining a monitoring result of the functional layer or the dc converter according to the first enable signal, the second enable signal and a preset signal value, including: if the function monitoring layer determines that the vehicle is in the running state, the voltage of the storage battery is located in a preset voltage constraint interval, the first enabling signal is not the preset signal value, and the duration of the first enabling signal reaches a first preset duration, the monitoring result of the function layer is determined to be a function layer fault.
In this embodiment, optionally, determining the monitoring result of the functional layer or the dc-dc converter according to the first enable signal, the second enable signal and a preset signal value includes: and if the function monitoring layer determines that the second enabling signal is the preset signal value, the current working state of the direct current converter is not the preset working state, and the duration of the current working state reaches a second preset duration, determining that the monitoring result of the direct current converter is the fault of the direct current converter.
In one possible embodiment, optionally, the method further comprises: sending, by the functional layer, the first enable signal to a base software layer;
and processing the first enabling signal through the basic software layer to obtain a third enabling signal, and sending the third enabling signal to the direct current converter.
In another possible embodiment, optionally, the method further comprises: and if the function monitoring layer determines that the first enabling signal is the preset signal value, the third enabling signal is not the preset signal value, and the duration of the third enabling signal reaches a third preset duration, determining that the monitoring result of the basic software layer is a basic software layer fault.
In yet another possible embodiment, optionally, the base software layer includes a hard-wired high-side driver.
In another possible embodiment, optionally, after determining the monitoring result of the functional layer or the dc-dc converter according to the first enable signal, the second enable signal and a preset signal value, the method further includes: and generating and displaying corresponding early warning prompts according to the monitoring results through the function monitoring layer.
According to the technical scheme provided by the embodiment of the invention, the first enabling signal is generated through the functional layer and is sent to the direct current converter; processing the first enabling signal through a direct current converter to obtain a second enabling signal; determining a monitoring result of the functional layer or the direct current converter through the functional monitoring layer according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of the direct current converter working normally. By executing the scheme provided by the embodiment of the invention, the requirements of safety of a low-voltage power supply control function and high-cohesion low-coupling of a vehicle can be met, and the working state of the enabling signal transmission node can be monitored.
FIG. 3 illustrates a schematic diagram of an electronic device 40 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 3, the electronic device 40 includes at least one processor 41, and a memory communicatively connected to the at least one processor 41, such as a Read Only Memory (ROM) 42, a Random Access Memory (RAM) 43, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 41 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 42 or the computer program loaded from the storage unit 48 into the Random Access Memory (RAM) 43. In the RAM 43, various programs and data necessary for the operation of the electronic apparatus 40 can also be stored. The processor 41, the ROM 42, and the RAM 43 are connected to each other via a bus 44. An input/output (I/O) interface 45 is also connected to bus 44.
A plurality of components in the electronic device 40 are connected to the I/O interface 45, including: an input unit 46 such as a keyboard, a mouse, etc.; an output unit 47 such as various types of displays, speakers, and the like; a storage unit 48 such as a magnetic disk, optical disk, or the like; and a communication unit 49 such as a network card, modem, wireless communication transceiver, etc. The communication unit 49 allows the electronic device 40 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
In some embodiments, the monitoring method of the enabling signal transfer node may be implemented as a computer program tangibly embodied in a computer-readable storage medium, such as storage unit 48. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 40 via the ROM 42 and/or the communication unit 49. When the computer program is loaded into the RAM 43 and executed by the processor 41, one or more steps of the monitoring method of an enabling signal transfer node described above may be performed. Alternatively, in other embodiments, the processor 41 may be configured by any other suitable means (e.g., by means of firmware) to perform the monitoring method of enabling the signal transmission node.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Computer programs for implementing the methods of the present invention can be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on a machine, as a stand-alone software package partly on a machine and partly on a remote machine or entirely on a remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with an object, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to an object; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which objects can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with an object; for example, feedback provided to the subject can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the object can be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., an object computer having a graphical object interface or a web browser through which objects can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the Internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired result of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A monitoring system for enabling signal transmission nodes is characterized by comprising a function layer, a function monitoring layer and a direct current converter; wherein:
the functional layer is connected with the direct current converter; the function monitoring layer is respectively connected with the function layer and the direct current converter;
the functional layer is used for generating a first enabling signal and sending the first enabling signal to the direct current converter;
the direct current converter is used for processing the first enabling signal to obtain a second enabling signal;
the function monitoring layer is used for determining a monitoring result of the functional layer or the direct current converter according to the first enable signal, the second enable signal and a preset signal value; the preset signal value is a signal value of normal work of the direct current converter.
2. The system of claim 1,
the system also comprises a storage battery, wherein the storage battery is connected with the direct current converter and is used for receiving the electric energy transmitted by the direct current converter;
the function monitoring layer is specifically configured to determine that a monitoring result of the functional layer is a functional layer fault if it is determined that the vehicle is in the operating state, the voltage of the storage battery is within a preset voltage constraint interval, the first enable signal is not the preset signal value, and the duration of the first enable signal reaches a first preset duration.
3. The system of claim 1,
the function monitoring layer is specifically configured to determine that a monitoring result of the dc converter is a dc converter fault if it is determined that the second enable signal is the preset signal value, the current working state of the dc converter is not the preset working state, and the duration of the current working state reaches a second preset duration.
4. The system of claim 3,
the system also comprises a basic software layer which is respectively connected with the functional layer, the functional monitoring layer and the direct current converter;
the functional layer is further used for sending the first enabling signal to the basic software layer;
and the basic software layer is used for processing the first enabling signal to obtain a third enabling signal and sending the third enabling signal to the direct current converter.
5. The system of claim 4,
the function monitoring layer is further configured to determine that the monitoring result of the basic software layer is a fault of the basic software layer if it is determined that the first enable signal is the preset signal value, the third enable signal is not the preset signal value, and the duration of the third enable signal reaches a third preset duration.
6. The system of claim 5, wherein the base software layer comprises a hard-wired high-side driver.
7. The system of claim 1,
and the function monitoring layer is further used for generating and displaying corresponding early warning prompts according to the monitoring results after the monitoring results of the functional layer or the direct current converter are determined according to the first enabling signal, the second enabling signal and a preset signal value.
8. A method of enabling monitoring of a signal transmitting node, comprising:
generating a first enable signal through a functional layer and sending the first enable signal to a direct current converter;
processing the first enabling signal through the direct current converter to obtain a second enabling signal;
determining a monitoring result of the functional layer or the direct current converter through a functional monitoring layer according to the first enabling signal, the second enabling signal and a preset signal value; the preset signal value is a signal value of normal work of the direct current converter.
9. A computer-readable storage medium storing computer instructions for causing a processor to implement the monitoring method of an enabling signal transmission node according to any one of claim 8 when executed.
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