CN115408731B - Control system and storage medium of hard disk HPA - Google Patents

Control system and storage medium of hard disk HPA Download PDF

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CN115408731B
CN115408731B CN202211341370.2A CN202211341370A CN115408731B CN 115408731 B CN115408731 B CN 115408731B CN 202211341370 A CN202211341370 A CN 202211341370A CN 115408731 B CN115408731 B CN 115408731B
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hard disk
hpa
control system
storage medium
controller
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CN115408731A (en
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龙文
李敏
齐新迎
黄家琪
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GAC Aion New Energy Automobile Co Ltd
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GAC Aion New Energy Automobile Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/88—Detecting or preventing theft or loss
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/006—Locks or fastenings for special use for covers or panels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/187—Mounting of fixed and removable disk drives
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
    • G06F11/3037—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a memory, e.g. virtual memory, cache
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324—Display of status information
    • G06F11/328—Computer systems status display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/86—Secure or tamper-resistant housings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The invention belongs to the technical field of hard disk HPA control systems, and particularly relates to a control system and a storage medium for a hard disk HPA. According to the invention, the knob on the fixing frame drives the screw rod to rotate, the screw rod and the threaded hole have a threaded effect, the sliding plate can drive the pressure sensor to contact the hard disk assembly under the matching of the sliding chute and the sliding block, so that the pressure sensor has a certain pressure value, and after the controller identifies the certain pressure value, if the hard disk assembly is touched, the pressure of the pressure sensor can be changed, so that the control terminal can excite the alarm to give an alarm, and the safety protection effect of the hard disk is improved.

Description

Control system and storage medium of hard disk HPA
Technical Field
The invention relates to the field of hard disk HPA control, in particular to a control system and a storage medium for a hard disk HPA.
Background
The hard disk is one of main storage media of a computer and consists of one or more aluminum or glass disks, ferromagnetic materials are covered outside the disks, the hard disks comprise solid state disks (SSD disks, new hard disks), mechanical hard disks (HDD traditional hard disks) and hybrid hard disks (HHDs are new hard disks produced based on the traditional mechanical hard disks), the SSD is stored by adopting flash memory particles, the HDD is stored by adopting magnetic disks, the hybrid hard disks are hard disks integrating the magnetic hard disks and the flash memories, most of the hard disks are solid state disks and are permanently and hermetically fixed in a hard disk drive, a magnetic head reset energy-saving technology is used for saving energy by resetting a magnetic head at idle, and a multi-magnetic head technology is used for increasing a plurality of magnetic heads to read or write simultaneously on the same disk to express the hard disk acceleration or simultaneously using the magnetic heads to express the magnetic disk acceleration by reading or writing a plurality of disks simultaneously to express the magnetic head acceleration, and is mainly used for servers and data base centers.
Each magnetic track on a disk is equally divided into a plurality of arc sections, the arc sections are sectors of the disk, each sector can store 512 bytes of information, when a disk drive reads and writes data into the disk, the sector is used as a unit, an HPA is the largest sector on the disk, and the popular understanding is that the largest sector number of the read disk is set, so that high-end content is hidden, the largest sector number can be written in a certain position of the disk, so that even if a user hangs the disk on other machines, the user cannot see the hidden content under normal conditions, the storage and operation states of the disk need to be monitored, and normal reading and writing of equipment are guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a control system and a storage medium for HPA of a hard disk, which solve the problems that the prior hard disk has defects when in use, the equipment is greatly lost once the hard disk is stolen because a large amount of information is stored in the hard disk, and the running state of the hard disk is inconvenient to monitor and judge due to the fact that the hard disk is mostly arranged in a case at present.
To achieve the above object, the present invention provides the following technical solutions: a control system and a storage medium of a hard disk HPA (power-on-board), which comprise a protective casing, a controller, a safety monitoring mechanism, a temperature control mechanism, a control terminal, an alarm, a storage control system, a mechanical hard disk and a solid state disk, wherein the controller is electrically connected with the safety monitoring mechanism through a wire, the controller is electrically connected with the temperature control mechanism through a wire, the controller is wirelessly connected with the control terminal through a wireless signal, the control terminal is electrically connected with the alarm through a wire, the controller is electrically connected with the storage control system through a wire, and the storage control system is respectively electrically connected with the mechanical hard disk and the solid state disk through wires;
the controller is used for sending instructions and receiving sensing signals, and processing and interaction of system information are facilitated;
the safety monitoring mechanism is used for protecting the hard disk, so that the hard disk is prevented from being disassembled to cause data loss, and the effect of safety protection is achieved;
the temperature control mechanism is used for monitoring the temperature of the hard disk and automatically radiating the heat of the hard disk so as to ensure the normal operation environment of the hard disk;
the control terminal is used for receiving signals sent by the controller, displaying various system information through the display screen, and giving an alarm when the system is abnormal;
the alarm adopts an audible and visual alarm device, so that workers can conveniently monitor the hard disk;
the storage control system is used for controlling the reading and writing of the mechanical hard disk and the solid state hard disk.
In a preferred technical scheme of the invention, the safety monitoring mechanism comprises a pressure sensor, a scrambler and an electric locking piece, wherein the electric locking piece is electrically connected with the scrambler through a lead, and the pressure sensor and the scrambler are both electrically connected with the controller through leads.
The security monitoring mechanism further comprises a state detection module, a feature extraction module, an XGboost classifier and a fault diagnosis module, wherein the state detection module is used for detecting the current and the voltage of the hard disk HPA, the feature extraction module is used for extracting the information features of the hard disk HPA, the XGboost classifier is used for classifying the information features of the hard disk HPA, and the fault diagnosis module is used for realizing fault diagnosis of the data information features of the hard disk HPA;
the working method of the state detection module is to detect the HPA input port V of the hard disk in Output port V out And two GND grounding ends for detecting the working state of the hard disk HPA, one section of the hard disk HPA load and V out The other end of the load is connected with a GND end, the maximum expected current in the HPA state detection module circuit of the hard disk is set to be 40A, the shunt resistance value of the differential voltage generated on the input pin is 2m omega, after the INA226 chip completes two measurements, the current and the power of the HPA of the hard disk are calculated according to the value of the calibration register, and the function expression is represented as follows:
Figure 478038DEST_PATH_IMAGE001
（1）
in formula (1), C represents the HPA current of the hard disk, S V Representing the shunt voltage, C R The value representing the calibration register, P represents the hard disk HPA power,
Figure 34922DEST_PATH_IMAGE002
represents the bus voltage;
and then constructing a feature vector according to the obtained feature coefficient, wherein a feature vector structure function represents that:
Figure 505217DEST_PATH_IMAGE003
（2）
in the formula (2), T represents a vector formed by all characteristic values of HPA of the hard disk,
Figure 907380DEST_PATH_IMAGE004
a set of feature vectors is represented that,
Figure 779521DEST_PATH_IMAGE005
representing the feature value of the HPA of the hard disk, using an extreme gradient lifting tree XGboost classifier by a decision tree model, and representing a training data set of the XGboost:
Figure 241726DEST_PATH_IMAGE006
（3）
in the formula (3), the first and second groups of the compound,
Figure 464897DEST_PATH_IMAGE007
a feature vector representing HPA feature data of the hard disk,
Figure 405171DEST_PATH_IMAGE008
the class mark represents the HPA output information of the hard disk, wherein the hard disk HPA is divided into two subregions by an XGboost classifier, and the subregion function expression is as follows:
Figure 397398DEST_PATH_IMAGE009
（4）
in formula (4), where j represents a characteristic component of HPA output data information of the hard disk, k represents a division point,
Figure 30505DEST_PATH_IMAGE010
、
Figure 475392DEST_PATH_IMAGE011
represent a sub-region byValues of components and division points
Figure 216428DEST_PATH_IMAGE012
Improving data information analysis capability, using
Figure 63161DEST_PATH_IMAGE013
Dividing HPA sample data information of hard disk to determine output value, i represents data information sorting, c 1 Cluster center point representing HPA output information of hard disk, c 2 Another cluster center point representing the HPA output information of the hard disk, dividing the input samples to generate a decision tree model function,
the decision tree model function is represented as:
Figure 867169DEST_PATH_IMAGE014
（5）
in the formula (5), the first and second groups of the chemical reaction materials are selected from the group consisting of,
Figure 799353DEST_PATH_IMAGE015
representing the decision tree model function after the kth iteration,
Figure 347009DEST_PATH_IMAGE016
a new decision tree model function is represented,
Figure 48249DEST_PATH_IMAGE017
representing an iterative computation and K representing a classifier class.
In a preferred embodiment of the present invention, the temperature control mechanism includes a temperature sensor and a cooling fan, the temperature sensor is electrically connected to the controller through a wire, and the temperature sensor is electrically connected to the cooling fan through a wire.
As a preferable technical scheme for showing the invention, a protective cover is arranged above the protective casing, and two handles are fixedly connected to the upper surface of the protective cover.
According to a preferable technical scheme of the invention, two clamping holes are formed in the left side surface and the right side surface of the protective cover, through holes corresponding to the clamping holes are formed in the left side surface and the right side surface of the protective casing, two electric locking pieces are fixedly mounted on the inner top wall of the protective cover, and the output end of each electric locking piece is fixedly connected with a clamping rod.
As a preferred technical solution of the present invention, the cipherer is fixedly mounted on the front side of the protection casing, a fixing frame is fixedly mounted on the inner bottom wall of the protection casing, a sliding plate is disposed inside the fixing frame, the pressure sensor is fixedly mounted on the bottom surface of the sliding plate, a hard disk assembly is disposed inside the protection casing, and the top end of the hard disk assembly contacts with the bottom end of the pressure sensor.
According to a preferable technical scheme of the invention, symmetrical sliding grooves are formed in the inner side wall of the fixing frame, a sliding block is connected to the inside of each sliding groove in a sliding mode, one side face, close to each other, of each sliding block is fixedly connected with two ends of a sliding plate, a bearing is fixedly embedded in the upper surface of each sliding plate, a screw rod is fixedly installed on the inner ring of each bearing, a threaded hole is formed in the upper surface of the fixing frame, the top end of each screw rod penetrates through the bearing and extends to the upper portion of the fixing frame, a knob is fixedly installed at the top end of each screw rod, and the screw rods are in threaded connection with the threaded holes.
According to a preferable technical scheme, a heat dissipation window is formed in the right side face of the protection casing, an air inlet window is formed in the left side face of the protection casing, a cooling fan is fixedly mounted on the left side face of the protection casing, and a protective net is arranged inside the heat dissipation window.
As a preferable technical scheme for representing the invention, the upper surface of the protective cover is fixedly provided with an indicator light, and the front surface of the protective casing is fixedly provided with a USB interface.
As a preferred technical scheme for showing the invention, the bottom surface of the protective casing is fixedly connected with a base, and the upper surface of the base is provided with four mounting holes.
Compared with the prior art, the invention provides a control system and a storage medium of a hard disk HPA, which have the following beneficial effects:
1. this control system and storage medium of hard disk HPA, through setting up the protection casing, set up the mount in the inside of protection casing, install hard disk assembly in the inside of mount, it rotates to drive the lead screw through the knob on the mount, lead screw and screw hole screw thread effect, can make the sliding plate drive pressure sensor contact hard disk assembly under the cooperation of spout and slider, make pressure sensor have certain pressure value, after certain pressure value of controller discernment, if hard disk assembly is touched, pressure sensor's pressure can change, thereby make control terminal arouse the alarm and report to the police the suggestion, improve the safety protection effect of hard disk.
2. This control system and storage medium of hard disk HPA through setting up the protective cover at the top of protection casing, conveniently will protect the casing to open, overhauls and maintains hard disk assembly, sets up electronic latch fitting in the inside of protective cover simultaneously, and electronic latch fitting cooperation password ware can control the kelly and insert in the calorie hole of through-hole and protective cover to play the effect of safety protection anti-disassembly.
3. This control system and storage medium of hard disk HPA monitor hard disk assembly's operating temperature through setting up temperature sensor, and when hard disk assembly operating temperature was too high, can the rotation by the automatically start cooling fan, the cooling fan is cooled down hard disk assembly under the cooperation of air inlet window and heat dissipation window, and temperature sensor sends the temperature signal of monitoring to control terminal simultaneously and shows, and the staff of being convenient for monitors.
Drawings
FIG. 1 is a schematic diagram of a hard disk monitoring and controlling system according to the present invention;
FIG. 2 is a schematic diagram illustrating an exploded view of the control and monitoring system of the present invention;
FIG. 3 is a perspective view of the protective housing of the present invention;
FIG. 4 shows a front cross-sectional view of the protective enclosure of the present invention;
FIG. 5 shows a side cross-sectional view of the mount of the present invention;
fig. 6 shows a front cross-sectional view of a protective cover according to the invention.
In the figure: 1. a protective housing; 2. a controller; 3. a safety monitoring mechanism; 301. a pressure sensor; 302. a cipher device; 303. an electric lock; 4. a temperature control mechanism; 401. a temperature sensor; 402. a cooling fan; 5. a control terminal; 6. an alarm; 7. a storage control system; 8. a mechanical hard disk; 9. a solid state disk; 10. a slider; 11. an indicator light; 12. a handle; 13. a protective cover; 14. a USB interface; 15. a clamping hole; 16. a clamping rod; 17. mounting holes; 18. a heat dissipation window; 19. a protective net; 20. a base; 21. a through hole; 22. an air inlet window; 23. a knob; 24. a fixed mount; 25. a hard disk assembly; 26. a chute; 27. a threaded hole; 28. a bearing; 29. a sliding plate; 30. and a screw rod.
Detailed Description
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.
Examples
Referring to fig. 1-6, in the present embodiment: a control system and a storage medium of a hard disk HPA (power-on-board) comprise a protective shell 1, a controller 2, a safety monitoring mechanism 3, a temperature control mechanism 4, a control terminal 5, an alarm 6, a storage control system 7, a mechanical hard disk 8 and a solid state disk 9, wherein the controller 2 is electrically connected with the safety monitoring mechanism 3 through a wire, the controller 2 is electrically connected with the temperature control mechanism 4 through a wire, the controller 2 is wirelessly connected with the control terminal 5 through a wireless signal, the control terminal 5 is electrically connected with the alarm 6 through a wire, the controller 2 is electrically connected with the storage control system 7 through a wire, and the storage control system 7 is electrically connected with the mechanical hard disk 8 and the solid state disk 9 through wires respectively;
the controller 2 is used for sending instructions and receiving sensing signals, and processing and interaction of system information are facilitated;
the safety monitoring mechanism 3 is used for protecting the hard disk, so that the hard disk is prevented from being disassembled to cause data loss, and the effect of safety protection is achieved;
the temperature control mechanism 4 is used for monitoring the temperature of the hard disk and automatically radiating the heat of the hard disk so as to ensure the normal operating environment of the hard disk;
the control terminal 5 is used for receiving signals sent by the controller 2, displaying various system information through a display screen, and giving an alarm when the system is abnormal;
the alarm 6 adopts an audible and visual alarm device, so that workers can conveniently monitor the hard disk;
the storage control system 7 is used for controlling the reading and writing of the mechanical hard disk 8 and the solid state hard disk 9.
In this embodiment, safety monitoring mechanism 3 includes pressure sensor 301, password ware 302 and electronic latch fitting 303, electronic latch fitting 303 passes through the wire and is connected with password ware 302 electricity, pressure sensor 301 and password ware 302 are all connected with 2 electricity through the wire and controller, pressure sensor 301 carries out safety monitoring to the hard disk, password ware 302 facilitates the electronic latch fitting 303 of password control, temperature control mechanism 4 includes temperature sensor 401 and cooling fan 402, temperature sensor 401 passes through the wire and is connected with 2 electricity of controller, temperature sensor 401 is connected with cooling fan 402 electricity through the wire, monitor the operating temperature of hard disk through temperature sensor 401, and control cooling fan 402 cools down.
The safety monitoring mechanism 3 further comprises a state detection module, a feature extraction module, an XGboost classifier and a fault diagnosis module, wherein the state detection module is used for detecting the current and the voltage of the hard disk HPA, the feature extraction module is used for extracting the information features of the hard disk HPA, the XGboost classifier is used for classifying the information features of the hard disk HPA, and the fault diagnosis module is used for realizing fault diagnosis of the data information features of the hard disk HPA;
the working method of the state detection module is to detect the HPA input port V of the hard disk in Output port V out And two GND grounding ends for detecting the working state of the hard disk HPA, one section of the hard disk HPA load and V out The other end of the load is connected with a GND end, the maximum expected current in the HPA state detection module circuit of the hard disk is 40A, and the shunt resistance value of the differential voltage generated on the input pin is 2m omega and INAAfter the 226 chip completes two measurements, the current and the power of the hard disk HPA are calculated according to the value of the calibration register, and the function expression is represented as follows:
Figure 23158DEST_PATH_IMAGE018
（1）
in formula (1), C represents the HPA current of the hard disk, S V Representing the shunt voltage, C R Indicates the value of the calibration register, P indicates the hard disk HPA power,
Figure 645900DEST_PATH_IMAGE019
represents the bus voltage;
the calculated bus voltage value is stored in a bus voltage register, the current value is stored in a current register, and the power value is stored in a power register. And when the state detection module finishes new measurement, updating the value in the register, and storing the updated value in the data output register.
And then constructing a feature vector according to the obtained feature coefficient, wherein a feature vector structure function represents that:
Figure 997247DEST_PATH_IMAGE020
（2）
in the formula (2), T represents a vector formed by all characteristic values of HPA of the hard disk,
Figure 552993DEST_PATH_IMAGE021
a set of feature vectors is represented that,
Figure 964383DEST_PATH_IMAGE022
representing the characteristic value of a hard disk HPA, using an extreme gradient lifting tree XGboost classifier by a decision tree model, and representing a training data set of the XGboost:
Figure 596791DEST_PATH_IMAGE006
（3）
in the formula (3), the first and second groups,
Figure 486250DEST_PATH_IMAGE023
a feature vector representing HPA feature data of the hard disk,
Figure 162082DEST_PATH_IMAGE024
the class mark represents the output information of the hard disk HPA, wherein the hard disk HPA is divided into two subregions by an XGboost classifier, and the subregion function expression is as follows:
Figure 478794DEST_PATH_IMAGE025
（4）
in formula (4), where j represents a characteristic component of HPA output data information of the hard disk, k represents a division point,
Figure 607287DEST_PATH_IMAGE026
、
Figure 34857DEST_PATH_IMAGE011
representing sub-regions, passing the values of the components and the segmentation points
Figure 830774DEST_PATH_IMAGE027
Improving data information analysis capability, use
Figure 318388DEST_PATH_IMAGE028
Dividing HPA sample data information of hard disk to determine output value, i represents data information sorting, c 1 Cluster center point representing HPA output information of hard disk, c 2 The XGboost improves the objective function, reserves more objective function information, and adds a regularization item of leaf weight to help the model to obtain lower variance. At t iterations, the decision tree model function is represented as:
Figure 199756DEST_PATH_IMAGE029
（5）
in the formula (5), the first and second groups,
Figure 165438DEST_PATH_IMAGE030
representing the decision tree model function after the kth iteration,
Figure 815862DEST_PATH_IMAGE031
a new decision tree model function is represented,
Figure 474377DEST_PATH_IMAGE032
representing an iterative calculation and K representing the classifier class.
The method comprises the steps of training an XGboost classifier by using collected fault output data of current, voltage, power and the like of the HPA of the hard disk to obtain a fault diagnosis model of the HPA of the hard disk, diagnosing the data collected by the system in real time by applying the model to a monitoring center of the system, and linking other modules of the system to perform fault alarm.
Protection casing 1's top is equipped with protective cover 13, two handles 12 of last fixed surface of protective cover 13, cooperate through protective cover 13 and handle 12, the convenience is installed and is dismantled protective cover 13, two calorie of holes 15 have all been seted up to protective cover 13's the left and right sides face, protective casing 1's the left and right sides face all has been seted up with calorie of through-hole 21 corresponding in hole 15, protective cover 13's interior roof fixed mounting has two electronic latch members 303, the equal fixedly connected with kelly 16 of output of every electronic latch member 303, cooperation through kelly 16 and calorie of hole 15, can make protective cover 13 locking at the top of protection casing 1, password ware 302 fixed mounting is in the front of protection casing 1, the interior bottom wall fixed mounting of protection casing 1 has mount 24, the inside of mount 24 is equipped with sliding plate 29, pressure sensor 301 fixed mounting is in the bottom surface of sliding plate 29, the inside of protection casing 1 is equipped with hard disk assembly 25, the top of hard disk assembly 25 contacts with pressure sensor 301's bottom, sliding plate 29 drives pressure sensor 301 and contacts hard disk assembly 25.
Symmetrical spout 26 has been seted up to the inside wall of mount 24, the equal sliding connection in inside of every spout 26 has slider 10, a side that two sliders 10 are close to each other all with the both ends fixed connection of sliding plate 29, the last fixed surface of sliding plate 29 inlays and has bearing 28, the inner circle fixed mounting of bearing 28 has lead screw 30, threaded hole 27 has been seted up to the upper surface of mount 24, bearing 28 is run through and extends to the top of mount 24 in the top of lead screw 30, the top fixed mounting of lead screw 30 has knob 23, lead screw 30 and threaded hole 27 threaded connection, cooperation through lead screw 30 and threaded hole 27, can promote sliding plate 29 and slide.
Heat dissipation window 18 has been seted up to the right flank of protection casing 1, air inlet window 22 has been seted up to the left flank of protection casing 1, the left flank fixed mounting of protection casing 1 has cooling fan 402, the inside of heat dissipation window 18 is equipped with protection network 19, cooling fan 402 cooperates with heat dissipation window 18 and air inlet window 22, can conveniently cool down to the hard disk, the last fixed surface of protective cover 13 installs pilot lamp 11, the positive fixed mounting of protection casing 1 has USB interface 14, play the effect of status indication, USB interface 14 conveniently derives storage data, the bottom surface fixed connection base 20 of protection casing 1, four mounting holes 17 have been seted up to base 20's upper surface, it is convenient to fix protection casing 1.
The working principle and the using process of the invention are as follows: when the protection machine shell is used, firstly, the protection machine shell 1 is installed and fixed through the base 20 and the installation hole 17 at the bottom, the hard disk assembly 25 is installed inside the fixed frame 24, the rotary knob 23 drives the screw rod 30 to rotate, the screw rod 30 is matched with the threaded hole 27 on the fixed frame 24, the sliding plate 29 drives the pressure sensor 301 to contact with the hard disk assembly 25 under the matching of the sliding groove 26 and the sliding block 10, so that the pressure sensor 301 has a stable pressure value, after the controller 2 identifies a certain pressure value, if the hard disk assembly 25 is touched, the pressure of the pressure sensor 301 can be changed, so that the control terminal 5 excites the alarm 6 to give an alarm prompt, and the safety protection effect of the hard disk is improved;
cover protective cover 13 at the top of protection casing 1, operation password ware 302 sets for and opens the password, electronic latch fitting 303 drives kelly 16 and through-hole 21 and the cooperation of card hole 15, lock protective cover 13 at the top of protection casing 1, in hard disk assembly 25 operation process, temperature sensor 401 monitors hard disk assembly 25's operating temperature, when hard disk assembly 25 operating temperature was too high, automatic start cooling fan 402 rotates, cooling fan 402 is under air inlet window 22 and heat dissipation window 18's cooperation, cool down hard disk assembly 25, temperature sensor 401 sends the temperature signal who monitors to control terminal 5 and shows simultaneously, be convenient for the staff to monitor.
In the description of the present invention, 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 a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or 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. The utility model provides a control system and storage medium of hard disk HPA, includes protection casing (1), controller (2), safety monitoring mechanism (3), temperature control mechanism (4), control terminal (5), alarm (6), stores control system (7), mechanical hard disk (8) and solid state hard disk (9), its characterized in that: the controller (2) is electrically connected with the safety monitoring mechanism (3) through a wire, the controller (2) is electrically connected with the temperature control mechanism (4) through a wire, the controller (2) is wirelessly connected with the control terminal (5) through a wireless signal, the control terminal (5) is electrically connected with the alarm (6) through a wire, the controller (2) is electrically connected with the storage control system (7) through a wire, and the storage control system (7) is electrically connected with the mechanical hard disk (8) and the solid state hard disk (9) through wires respectively;
the controller (2) is used for sending instructions and receiving sensing signals, and processing and interaction of system information are facilitated;
the safety monitoring mechanism (3) is used for protecting the hard disk, so that the hard disk is prevented from being disassembled to cause data loss, and the effect of safety protection is achieved;
the temperature control mechanism (4) is used for monitoring the temperature of the hard disk and automatically radiating the heat of the hard disk so as to ensure the normal operation environment of the hard disk;
the control terminal (5) is used for receiving signals sent by the controller (2), displaying various system information through a display screen, and giving an alarm when the system is abnormal;
the alarm (6) adopts an audible and visual alarm device, so that workers can conveniently monitor the hard disk;
the storage control system (7) is used for controlling the reading and writing of the mechanical hard disk (8) and the solid state hard disk (9); the safety monitoring mechanism (3) comprises a pressure sensor (301), a cipher device (302) and an electric locking piece (303), the electric locking piece (303) is electrically connected with the cipher device (302) through a lead, and the pressure sensor (301) and the cipher device (302) are both electrically connected with the controller (2) through leads;
the safety monitoring mechanism (3) further comprises a state detection module, a feature extraction module, an XGboost classifier and a fault diagnosis module, wherein the state detection module is used for detecting the current and the voltage of the HPA of the hard disk, the feature extraction module is used for extracting the information features of the HPA of the hard disk, the XGboost classifier is used for classifying the information features of the HPA of the hard disk, and the fault diagnosis module is used for realizing fault diagnosis of the data information features of the HPA of the hard disk;
the working method of the state detection module is to detect the HPA input port V of the hard disk in Output port V out And two GND grounding ends for detecting the working state of the hard disk HPA, one section of the hard disk HPA load and V out The other end of the load is connected with a GND end, the maximum expected current in the HPA state detection module circuit of the hard disk is set to be 40A, the shunt resistance value of the differential voltage generated on the input pin is 2m omega, after the INA226 chip finishes two measurements, the current and the power of the HPA of the hard disk are calculated according to the value of the calibration register, and the function expression is represented as follows:
Figure DEST_PATH_IMAGE001
（1）
in formula (1), C represents the HPA current of the hard disk, S V Representing the shunt voltage, C R The value representing the calibration register, P represents the hard disk HPA power,
Figure 561260DEST_PATH_IMAGE002
represents the bus voltage;
and then constructing a feature vector according to the obtained feature coefficient, wherein a feature vector structure function represents that:
Figure DEST_PATH_IMAGE003
（2）
in the formula (2), T represents a vector consisting of all characteristic values of HPA of the hard disk, and T a、 t b、 t c A set of feature vectors is represented that,
Figure DEST_PATH_IMAGE005
a characteristic value representing the HPA of the hard disk,
the decision tree model uses an extreme gradient lifting tree XGboost classifier, and the training data set of the XGboost is represented as follows:
Figure 383461DEST_PATH_IMAGE006
（3）
in the formula (3), the first and second groups,
Figure DEST_PATH_IMAGE007
a feature vector representing HPA feature data of the hard disk,
Figure 772985DEST_PATH_IMAGE008
the class mark represents the output information of the hard disk HPA, wherein the hard disk HPA is divided into two subregions by an XGboost classifier, and the subregion function expression is as follows:
Figure DEST_PATH_IMAGE010A
（4）
in formula (4), where j represents a characteristic component of HPA output data information of the hard disk, k represents a value of the division point,
Figure DEST_PATH_IMAGE011
、
Figure 807675DEST_PATH_IMAGE012
representing sub-areas, improving data information analysis capability through values j and k of components and partition points, dividing the data information of the HPA sample of the hard disk by using the values j and k to determine output values, i represents data information sequencing, c 1 Cluster center point representing HPA output information of hard disk, c 2 And the other clustering center point representing the HPA output information of the hard disk divides the input samples to generate a decision tree model function, wherein the decision tree model function is represented as:
Figure DEST_PATH_IMAGE014A
（5）
in the formula (5), the first and second groups,
Figure DEST_PATH_IMAGE016A
represents the decision tree model function after the v-th iteration, <' >>
Figure DEST_PATH_IMAGE018A
Represents a new decision tree model function, <' > or>
Figure DEST_PATH_IMAGE020A
Represents iterative computation, K represents a classifier class, and t represents the number of iterations.
2. The HPA control system and storage medium for hard disk according to claim 1, wherein: temperature control mechanism (4) include temperature sensor (401) and cooling fan (402), temperature sensor (401) are connected with controller (2) electricity through the wire, temperature sensor (401) are connected with cooling fan (402) electricity through the wire.
3. The control system and storage medium of HPA of hard disk according to claim 1, characterized by that: the top of protection casing (1) is equipped with protective cover (13), the last fixed surface of protective cover (13) is connected with two handles (12).
4. The control system and storage medium of HPA of hard disk according to claim 3, characterized by that: two card holes (15) have all been seted up to the left and right sides face of protective cover (13), the left and right sides face of protection casing (1) has all been seted up and has been blocked corresponding through-hole (21) in hole (15), the interior roof fixed mounting of protective cover (13) has two electronic latch fittings (303), every the equal fixedly connected with kelly (16) of output of electronic latch fitting (303).
5. The control system and storage medium of HPA of hard disk according to claim 1, characterized by that: the cipher device (302) is fixedly installed on the front face of the protection machine shell (1), a fixing frame (24) is fixedly installed on the inner bottom wall of the protection machine shell (1), a sliding plate (29) is arranged inside the fixing frame (24), the pressure sensor (301) is fixedly installed on the bottom face of the sliding plate (29), a hard disk assembly (25) is arranged inside the protection machine shell (1), and the top end of the hard disk assembly (25) is in contact with the bottom end of the pressure sensor (301).
6. The HPA control system and storage medium for hard disk according to claim 5, wherein: symmetrical sliding grooves (26) are formed in the inner side wall of the fixing frame (24), each sliding groove (26) is connected with a sliding block (10) in a sliding mode, one side face, close to each other, of each sliding block (10) is fixedly connected with the two ends of each sliding plate (29), bearings (28) are fixedly inlaid in the upper surfaces of the sliding plates (29), lead screws (30) are fixedly mounted on the inner rings of the bearings (28), threaded holes (27) are formed in the upper surfaces of the fixing frame (24), the top ends of the lead screws (30) penetrate through the bearings (28) and extend to the upper portion of the fixing frame (24), knobs (23) are fixedly mounted at the top ends of the lead screws (30), and the lead screws (30) are in threaded connection with the threaded holes (27).
7. The control system and storage medium of HPA of hard disk according to claim 1, characterized by that: heat dissipation window (18) have been seted up to the right flank of protection casing (1), air inlet window (22) have been seted up to the left flank of protection casing (1), the left flank fixed mounting of protection casing (1) has cooling fan (402), the inside of heat dissipation window (18) is equipped with protection network (19).
8. The HPA control system and storage medium for hard disk according to claim 3, wherein: the last fixed surface of protective cover (13) installs pilot lamp (11), the front fixed mounting of protection casing (1) has USB interface (14).
9. The control system and storage medium of HPA of hard disk according to claim 1, characterized by that: the bottom surface of the protective casing (1) is fixedly connected with a base (20), and four mounting holes (17) are formed in the upper surface of the base (20).
CN202211341370.2A 2022-10-31 2022-10-31 Control system and storage medium of hard disk HPA Active CN115408731B (en)

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