CN111462861A - Radiation control repair method and device, computer equipment and storage medium - Google Patents
Radiation control repair method and device, computer equipment and storage medium Download PDFInfo
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- CN111462861A CN111462861A CN202010235231.6A CN202010235231A CN111462861A CN 111462861 A CN111462861 A CN 111462861A CN 202010235231 A CN202010235231 A CN 202010235231A CN 111462861 A CN111462861 A CN 111462861A
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- 230000005855 radiation Effects 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008439 repair process Effects 0.000 title claims description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 76
- 238000004590 computer program Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001959 radiotherapy Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/56—External testing equipment for static stores, e.g. automatic test equipment [ATE]; Interfaces therefor
- G11C29/56016—Apparatus features
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/40—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the management of medical equipment or devices, e.g. scheduling maintenance or upgrades
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- Radiation-Therapy Devices (AREA)
Abstract
The application relates to a radiation control repairing method, a radiation control repairing device, a computer device and a computer readable storage medium, wherein the method comprises the following steps: when radiation control is started, control initialization is carried out by loading a peripheral source file and a core source file; reloading the core source file from a remote host located in a non-radiation area when detecting that the bit of the internal storage unit is flipped; and repairing the internal storage unit according to the reloaded core source file. According to the radiation control repairing method, the interruption or failure of the functions of the control board card caused by bit inversion of the internal storage unit can be avoided, the working stability of the control board card is improved, the safety of a patient receiving radiotherapy is ensured, and no error occurs in the core source file.
Description
Technical Field
The present invention relates to the field of fault testing, and in particular, to a radiation control repairing method, a radiation control repairing apparatus, a computer device, and a computer-readable storage medium.
Background
Most of control board cards used for controlling the radiotherapy process are in the Radiation range in the treatment room, and after the control board cards receive a certain Radiation dose, single-Bit (Bit) or multi-Bit inversion easily occurs in internal storage units (such as CRAM and configuration RAM), which undoubtedly brings great hidden danger to the reliable work of a single board in the Radiation area in the treatment room and the safety of patients.
The traditional technology for solving the bit flipping of the internal memory unit has a local reconfiguration mode, namely when the bit flipping of the internal memory unit is detected, the internal memory unit is refreshed through local Flash so as to repair the bit flipping caused by radiation. However, since the local Flash is located in the near radiation range of the treatment room, the local Flash can be invalid due to the radiation irradiation, and errors are generated in source files loaded from the local Flash.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a radiation control repair method, a radiation control repair apparatus, a computer device, and a computer-readable storage medium.
A radiation-controlled repair method, the method comprising the steps of:
carrying out control initialization by loading a peripheral source file and a core source file;
reloading the core source file from a remote host located in a non-radiation area when detecting that the bit of the internal storage unit is flipped; and
and repairing the internal storage unit according to the reloaded core source file.
In one embodiment, the performing control initialization by loading the peripheral source file and the core source file includes:
loading the peripheral source file from a peripheral storage device located in a weak radiation area or a non-radiation area;
initializing a host connection interface, and loading the core source file from the remote host through the host connection interface; and
and initializing the control device according to the peripheral source file and the core source file.
In one embodiment, the loading the peripheral source file from the peripheral storage device located in the weak radiation region or the non-radiation region includes:
and loading the peripheral source file from the peripheral storage device in a weak radiation area or a non-radiation area through a differential serial peripheral interface or an optical fiber serial peripheral interface.
In one embodiment, the host connection interface is a PCIE fiber interface.
In one embodiment, the repairing the internal memory cell includes:
and refreshing the storage area with the inverted bit in the internal storage unit.
A radiation-controlled repair device comprising:
the system comprises a controller located in a near radiation area, a peripheral storage device located in a weak radiation area or a non-radiation area and a remote host located in the non-radiation area, wherein the controller and the peripheral storage device carry out data transmission through a serial peripheral interface, and the controller and the remote host carry out data transmission through a host connection interface;
when the radiation control is started, the controller carries out control initialization by loading a peripheral source file from the peripheral storage device and loading a core source file from the remote host;
reloading the core source file from the remote host when the controller detects a bit flip of an internal storage unit;
and the controller repairs the internal storage unit according to the reloaded core source file.
In one embodiment, the serial peripheral interface is a differential serial peripheral interface or an optical fiber serial peripheral interface.
In one embodiment, the host connection interface is a PCIE fiber interface.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when executing the program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method.
According to the radiation control repairing method, when the bit inversion of the internal storage unit is detected, the core source file is reloaded from the remote host in the non-radiation area, the internal storage unit is repaired according to the reloaded core source file, and the core source file which is in error in the internal storage unit and is influenced by radiation is corrected, so that the purpose of resisting the particle inversion is achieved, the function interruption or failure of the control board card caused by the bit inversion of the internal storage unit is avoided, the working stability of the control board card is improved, and the safety of a patient who receives radiotherapy is ensured; meanwhile, the reloaded core source file is stored in the remote host machine positioned in the non-radiation area, so that the core source file is prevented from being in error.
Drawings
FIG. 1 is a schematic flow chart of a radiation-controlled repair method according to an embodiment.
Fig. 2 is a schematic flow chart of a radiation control repairing method in another embodiment.
Fig. 3 is a schematic structural view of a radiation control repair device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Fig. 1 is a schematic flow chart of a radiation control repairing method in an embodiment, and as shown in fig. 1, the radiation control repairing method includes:
step S110: and carrying out control initialization by loading the peripheral source file and the core source file.
In the RT system, a control board for controlling a radiotherapy process is generally installed near a radiation region in a treatment room to control the radiotherapy process, and the control board receives radiation of different degrees during the radiotherapy process.
In this embodiment, the source file of the conventional technology is divided into at least two parts, namely a peripheral source file and a Core source file (Core image), for example, a more important part of the source file may be set as the Core source file, and the rest may be set as the peripheral source file. When the radiation control is started, the control board card is controlled and initialized by loading the peripheral source file and the core source file, for example, the FPGA processor on the single board may be controlled and initialized. The contents of the control initialization may include a radiation dose, a radiation time, and the like.
Step S120: and judging whether the bit of the internal storage unit is overturned or not. If yes, go to step S130.
Step S130: the core source files are reloaded from a remote host located in the non-radiating area.
Specifically, whether bit flipping occurs in the internal storage unit is judged, and when the bit flipping occurs in the internal storage unit is detected, the core source file is reloaded from a remote host located in the non-radiation area. Since the remote host is located in the non-radiation zone, the core source files stored in the remote host are not affected by radiation.
Step S140: and repairing the internal storage unit according to the reloaded core source file.
Specifically, bit reversal of the internal storage unit causes an error in the core source file, and the internal storage unit is repaired according to the reloaded core source file, namely, the core source file stored in the internal storage unit is corrected, so that the purpose of resisting particle reversal is achieved, and the influence on the radiotherapy process caused by bit reversal of the internal storage unit is avoided. In other embodiments, the peripheral source file may also be reloaded when a bit flip of the internal memory location is detected.
According to the radiation control repairing method, when the bit inversion of the internal storage unit is detected, the core source file is reloaded from the remote host in the non-radiation area, the internal storage unit is repaired according to the reloaded core source file, and the core source file which is in error in the internal storage unit and is influenced by radiation is corrected, so that the purpose of resisting the particle inversion is achieved, the function interruption or failure of the control board card caused by the bit inversion of the internal storage unit is avoided, the working stability of the control board card is improved, and the safety of a patient who receives radiotherapy is ensured; meanwhile, the reloaded core source file is stored in the remote host machine positioned in the non-radiation area, so that the core source file is prevented from being in error.
Fig. 2 is a schematic flow chart of a radiation control repairing method in another embodiment. As shown in fig. 2, the radiation control repairing method includes the following steps:
step S110: when the radiation control is started, control initialization is carried out by loading the peripheral source file and the core source file. Step S110 specifically includes steps S111 to S113.
Step S111: the peripheral source file is loaded from a peripheral storage device located in a weak radiation region or a non-radiation region.
Specifically, the peripheral storage device may refer to a local Flash storing a source file in the conventional art. The peripheral storage device is located in a weak radiation area or a non-radiation area in the treatment room, so that peripheral source files stored in the peripheral storage device are less affected by radiation.
Illustratively, the peripheral source file is divided into two parts and stored in two local flashes respectively. The FPGA processor loads a part of peripheral source files in an Active Series (AS) mode through one local Flash, and loads the rest part of peripheral source files in a Fast Passive Parallel (FPP) mode through the other local Flash, and the loaded working clock can reach 100MHz at the fastest speed, and the loading speed is high.
Further, step S111 may include loading the peripheral source file from the peripheral storage device located in the weak radiation region through a differential serial peripheral interface or an optical fiber serial peripheral interface.
Specifically, a communication distance between the FPGA processor and the local Flash is extended by using a differential Serial Peripheral Interface (SPI) or a light ray Serial Peripheral Interface, so that the local Flash storing the Peripheral source file can be placed in a weak radiation area or a non-radiation area far away from a near radiation area, and the situation that the Peripheral source file cannot be loaded due to failure of the local Flash caused by radiation is avoided.
Step S112: initializing a host connection interface, and loading a core source file from a remote host through the host connection interface.
Specifically, the core source file is stored in a remote host, which may be located in an operating room without radiation, so that the core source file stored in the remote host is not affected by radiation.
After the FPGA processor loads the peripheral source file, the FPGA processor initializes a HOST connection interface and then loads a core source file from a remote HOST (HOST) through the HOST connection interface. For example, the host connection interface is a high-speed serial component interconnect (PCIE) optical fiber interface, that is, CvP loading is adopted when loading the core source file. The optical transmission rate of the PCIE optical fiber interface can reach 8G, so that the core source file is quickly transmitted and loaded, and the real-time requirement can be well met in some control links with higher real-time requirements. Moreover, when the core source file is reloaded in step S130, the PCIE fiber interface is used to reload the core source file through the remote host, so that the repair rate of bit flipping of the internal memory unit can be increased.
Step S113: and initializing the control device according to the peripheral source file and the core source file.
Specifically, after the core source file and the peripheral source file are loaded, the control device is initialized according to the peripheral source file and the core source file, for example, the initial radiotherapy parameters of the FPGA processor are initialized, so as to enter the user mode, and the bit flipping of the internal storage unit is repaired.
Step S120: and judging whether the bit of the internal storage unit is overturned or not. If yes, go to step S130; otherwise, step S120 is executed to determine whether bit flipping occurs in the internal memory cell.
Step S130: the core source files are reloaded from a remote host located in the non-radiating area.
Step S140: and repairing the internal storage unit according to the reloaded core source file. Step S140 specifically includes step S141: and refreshing the memory area with the inverted bit in the internal memory cell.
Specifically, when the bit inversion of the internal storage unit is detected, the core source file is reloaded from the remote host in the non-radiation area, and the storage area in the internal storage unit, in which the bit inversion occurs, is refreshed according to the reloaded correct core source file, so that the storage content in the bit inversion area in the internal storage unit is corrected to be consistent with the correct core source file, the correctness of the core source file in the internal storage unit is ensured, the interruption or abnormity of the control board card function caused by radiation influence is avoided, the single board in the radiation area in the treatment room works more reliably, and the safety of a patient receiving radiation treatment is ensured; in addition, the core source file is stored in the remote host positioned in the non-radiation area, and the peripheral source file is stored in the peripheral storage device positioned in the weak radiation area or the non-radiation area, so that the probability of errors of the core source file and the peripheral source file can be reduced.
Fig. 3 is a schematic structural diagram of a radiation control repairing apparatus in an embodiment, as shown in fig. 3, in an embodiment, a radiation control repairing apparatus 300 includes a controller 310 located in a near radiation area, a peripheral storage device 320 located in a weak radiation area or a non-radiation area, and a remote host 330 located in a non-radiation area, and the controller 310 and the remote host 330 perform data transmission through a host connection interface (not shown). For example, the controller 310 is located in a near radiation area within the treatment room 340, the peripheral storage device 320 is located in a weak radiation area or a non-radiation area within the treatment room 340, and the controller 310 is located in the operation room 350, and the areas within the operation room 350 all belong to the non-radiation area.
At the start of radiation control, the controller 310 performs control initialization by loading a peripheral source file from the peripheral storage device 320 and a core source file from the remote host 330; when the controller 310 detects a bit flip in an internal memory location (not shown), the core source files are reloaded from the remote host 330; the controller 310 repairs the internal memory locations according to the reloaded core source files. Wherein the internal memory unit may belong to a memory unit within the controller.
In one embodiment, the serial peripheral interface is a differential serial peripheral interface or an optical fiber serial peripheral interface.
In one embodiment, the host connection interface is a PCIE fiber interface.
The present application further provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the steps of the radiation control repairing method in any of the above embodiments may be performed.
The present application also provides a computer readable storage medium having a computer program stored thereon, which, when executed by a processor, causes the processor to perform the steps of the radiation control remediation method of any one of the above embodiments.
For the above limitations of the computer-readable storage medium and the computer device, reference may be made to the above specific limitations of the method, which are not described herein again.
It should be noted that, as one of ordinary skill in the art can appreciate, all or part of the processes of the above methods may be implemented by instructing related hardware through a computer program, and the program may be stored in a computer-readable storage medium; the above described programs, when executed, may comprise the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM) or a Random Access Memory (RAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A radiation-controlled repair method, comprising the steps of:
carrying out control initialization by loading a peripheral source file and a core source file;
reloading the core source file from a remote host located in a non-radiation area when detecting that the bit of the internal storage unit is flipped; and
and repairing the internal storage unit according to the reloaded core source file.
2. The method of claim 1, wherein the performing control initialization by loading peripheral source files and core source files comprises:
loading the peripheral source file from a peripheral storage device located in a weak radiation area or a non-radiation area;
initializing a host connection interface, and loading the core source file from the remote host through the host connection interface; and
and initializing the control device according to the peripheral source file and the core source file.
3. The method of claim 2, wherein loading the peripheral source file from the peripheral storage device located in the weak radiation region or the non-radiation region comprises:
and loading the peripheral source file from the peripheral storage device in a weak radiation area or a non-radiation area through a differential serial peripheral interface or an optical fiber serial peripheral interface.
4. The method of claim 2, wherein the host connection interface is a fiber optic interface.
5. The method of claim 1, wherein the repairing the internal memory cell comprises:
and refreshing the storage area with the inverted bit in the internal storage unit.
6. A radiation-controlled repair device, comprising:
the system comprises a controller located in a near radiation area, a peripheral storage device located in a weak radiation area or a non-radiation area and a remote host located in the non-radiation area, wherein the controller and the peripheral storage device carry out data transmission through a serial peripheral interface, and the controller and the remote host carry out data transmission through a host connection interface;
when the radiation control is started, the controller carries out control initialization by loading a peripheral source file from the peripheral storage device and loading a core source file from the remote host;
reloading the core source file from the remote host when the controller detects a bit flip of an internal storage unit;
and the controller repairs the internal storage unit according to the reloaded core source file.
7. The apparatus of claim 6, wherein the serial peripheral interface is a differential serial peripheral interface or a fiber optic serial peripheral interface.
8. The apparatus of claim 6, wherein the host connection interface is a PCIE fiber interface.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claims 1 to 5 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the method of any one of claims 1 to 5.
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| CN202010235231.6A CN111462861B (en) | 2020-03-30 | 2020-03-30 | Radiation control repair method, device, computer equipment and storage medium |
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