83 results about "Protected mode" patented technology

The embodiment of the invention provides a circuit protection device and a chip, and the device comprises a detection module which is used for detecting whether the voltage of a power supply exceeds a voltage protection threshold, and outputting a low-level signal to a time hysteresis control module when the voltage exceeds the voltage protection threshold; if not, a high-level signal is output to the time hysteresis control module; the time hysteresis control module is used for receiving the low-level signal output by the detection module and controlling an MOS tube in the time hysteresis control module to be turned off; and the control module is used for receiving the high-level signal output by the detection module, timing and controlling the MOS tube to start when the timing time reaches the preset time, so that the problem that the power supply end fluctuates between a protection mode and a normal working mode when the input power supply rapidly fluctuates in the overvoltage and power failure protection circuit in the related technology is solved. In addition, common simple devices are needed for implementation, the cost is low, and the reliability is high.

The embodiment of the invention provides a method and device for inverter control, an inverter, a motor system, a computer readable medium and a computer program product. The method can comprise the steps of determining whether a plurality of bridge arms of the inverter can enter an active short circuit (ASC) state or not under the condition of determining that the inverter needs to enter an ASC protection mode; and under the condition of determining that at least two bridge arms in the plurality of bridge arms can enter the ASC state, controlling the at least two bridge arms to be alternately in the ASC state.

The invention provides an application management method and device. The application management method and device are used for reasonably managing and controlling use of juvenile users on electronic equipment. The method comprises the steps of running a first application; a first operation for a first application is detected, and a first mode is started and comprises a teenager protection mode; running the first application in the first mode; and detecting a second operation of starting a second application, and running the second application in the first mode.

Aspects of a storage device including a memory and a controller are provided, which allow for error detection or data integrity checking during data transfer of write operations and read operations. The controller may be configured to generate data integrity information based on at least one data byte to be written to the memory, and to transfer the at least one data byte contemporaneously with the data integrity information on separate data paths to the memory. The controller may be configured to select between transferring data bus inversion information or the data integrity information based on whether a data integrity protection mode is active between the memory and the controller. The memory may be configured to receive the at least one data byte and the data integrity information from the controller, and detect whether an error exists in the at least one data byte based on the data integrity information.

A data security protection method, device, system, security control framework and storage medium. A protection module is arranged on the target device to control the read / write permission of the computer device on the storage device, so as to ensure the communication security between the storage devices, avoid the computer security risk caused by the malicious storage device accessing the computer device, and avoid the data leakage of the storage device caused by the computer device maliciously accessing the data of the storage device. Based on the current protection mode of the target device, the data interaction instruction sent by the computer device is controlled.

The invention discloses a multi-port hybrid charging pile power pool reinforcement learning scheduling method and system, and relates to the technical field of computer data processing. The reinforcement learning scheduling method and system for the multi-port hybrid charging pile power pool comprises the following steps: S1, periodically collecting port scheduling data, and preprocessing the port scheduling data; s2, constructing and training a vehicle target SOC prediction model, outputting a vehicle target SOC, evaluating charging urgency of each accessed vehicle, and dividing scheduling priority levels; s3, constructing a port power distribution model, outputting a power distribution value of each charging port, and issuing the power distribution value to a power control interface for execution; and S4, evaluating power scheduling execution deviation, and entering a protection mode when evaluation is abnormal. The problems that the total power of the charging pile cannot be flexibly scheduled due to fixed-proportion power distribution and topological isolation of alternating-current and direct-current ports, high-power resources are occupied by high-electric-quantity vehicles, and charging of low-electric-quantity vehicles is limited are solved.

The invention provides a dual-core lock step processor instruction fetching control system supporting an extension instruction. The dual-core lock step processor instruction fetching control system comprises an instruction fetching module, an instruction cache, a branch prediction module, a lock step comparison module and a dual-core lock step processor. According to the method, fine-grained control is carried out on lock step protection modes of different user codes through a lock step extension instruction; the lock step extension instruction adopts a decoding path different from that of a conventional instruction, and directly enters lock step extension instruction decoding logic after the instruction is fetched, so that the lock step extension instruction does not depend on post-stage resource scheduling of a lock step processor and does not depend on a specific instruction set; branch prediction faults are regarded as branch prediction failure conditions and are processed in an instruction fetching module, and it is ensured that the branch prediction faults cannot pollute the rear stage of the dual-core lockstep processor; for a post-stage fault of the dual-core lockstep processor, the instruction fetching module can widen the pulse width of a post-stage fault signal to a difference value of a dual-core instruction period, and aligns instruction streams in the verification core and the execution core by inserting a null operation into an assembly line.

Systems and methods are provided for entering a guarded mode of an operating system of a computing device. A guarding system may receive a user input at a computing device. The operating system of the computing device may be configured to operate in a guarded mode or a non-guarded mode. The guarding system may determine, while the operating system is operating in the non-guarded mode, that the received user input matches a user input configured to initiate the guarded mode. The guarding system may cause the operating system to transition from the non-guarded mode to the guarded mode. In response to the operating system transitioning to the guarded mode, the guarding system may modify at least one attribute of a third-party application installed on the computing device.

A computer-implemented method and a computer program product for device pairing security. A computer scans a media device for a potential threat. In response to determining that the potential threat does not exist, a computer copies content of the media device to a secure media device. A computer configures a write protection mode on the secure media device. A computer configures a geofence policy, a low battery policy for the secure media device, and a security alert notification policy for the secure media device. A computer configures a policy of immediately wiping storage on the secure media device. A computer activates the secure media device for use on a host device in a secure facility. The secure media device includes an antenna of radio frequency identification, an antenna of a network, a microcontroller, and a battery.

The invention discloses a data protection method, a memory, electronic equipment and a storage medium, and relates to the field of storage, the method is applied to the memory, and a logical address-to-physical address mapping table is configured and comprises a first mapping area and a second mapping area; wherein the first mapping area is used for recording an original mapping relation between a logic address and a physical address corresponding to read-write operation performed on the snapshot area before the snapshot protection mode is started; the second mapping area is used for recording a mapping relation between a logic address and a physical address corresponding to incremental read-write operation executed on the snapshot area after the snapshot protection mode is started; after a snapshot starting instruction is received, entering a snapshot protection mode, and determining a snapshot area needing to be protected according to preset configuration information; and locking an original mapping relation of the snapshot area in the first mapping area, and redirecting a data operation request initiated for the snapshot area to the second mapping area to execute incremental read-write operation.

A method for providing a multi-layer protection against faults for a power plant is provided. The method includes monitoring, via a system level controller, one or more parameters at a first plurality of distributed power generation resources. The method also includes implementing, via the system level controller, a failsafe mode when the one or more parameters of the first plurality of distributed power generation resources exceed a first threshold. Specifically, the fail-safe mode includes implementing a time delay, and after the time delay, commanding, via the system level controller, a trip of a first feeder circuit breaker on the first feeder line. The method further includes exiting the failsafe mode when the one or more parameters of the first plurality of distributed power generation resources are equal to or fall below a first threshold.

The embodiment of the application aims to provide a method and device for multi-frame access protection of EVPN service. The method comprises: configuring a multi-frame redundant access mode of EVPN service; wherein the multi-frame redundant access mode is applicable to a scenario that two or more access node (AN) devices of an access protection group are connected to a cloud center office (Cloud CO), and the two or more AN devices are respectively dual-connected to the same pair of PE devices. The embodiment of the application has the following advantages: a new redundant protection mode of EVPN multi-connection is provided, which is applicable to the scenario of Cloud CO multi-frame redundant access; redundant mode coding, ESI coding and EVPN route coding involved in the new redundant protection mode of EVPN multi-connection, and various EVPN multi-connection functions are provided, so that the scenario of Cloud CO multi-frame redundant access is better adapted.

The application discloses a method for managing IO write operation and a storage device. The method comprises the following steps: receiving an IO write operation issued by a host; detecting whether the host starts a high-load write protection mode; if yes, obtaining write management information of the high-load write protection mode, wherein the write management information comprises data stream information of historical IO write operation; judging whether the IO write operation is a sequential write operation according to the data stream information; and if yes, updating the data stream information according to position metadata of the IO write operation. The application can improve the reliability and write performance of the device when high-load video recording is performed.

The invention provides an SOH balance control method and device for an optical storage system cluster and electronic equipment, and belongs to the technical field of energy storage. The method comprises the following steps: determining an SOH average value and an SOH standard deviation of the optical storage system cluster according to SOH data of all energy storage subsystems, comparing the SOH data of each energy storage subsystem with the sum of the SOH average value and the SOH standard deviation under the condition that the SOH standard deviation is greater than or equal to a preset value, and if the SOH standard deviation is greater than or equal to the preset value, determining that the SOH average value is greater than or equal to the preset value. And determining a corresponding power distribution strategy according to a comparison result, and performing power distribution according to the power data. According to the method, the SOH standard deviation is used as a key decision index, the optical storage system cluster is dynamically switched to the differential protection mode from the undifferentiated working mode, the attenuation speed of all energy storage subsystems is delayed, and the average life of the whole cluster and the discharge capacity of the whole life cycle are prolonged.

The invention relates to the technical field of simulation testing of electric compressors, and discloses a computer simulation testing method and system for an automobile compressor, and the method comprises the steps: constructing an integrated model; setting a multi-mode state machine with automatic, economic, rapid cooling and emergency protection modes; double-loop cooperative control is executed, and the feedforward compensation amount of the electronic expansion valve is calculated based on matrix decoupling; generating a synchronous scheduling instruction chain; and executing a software and hardware closed-loop consistency test. In the prior art, a single-loop PID control or independent open-loop instruction test method can only verify basic functions in an ideal environment, and especially under extreme conditions such as complex multi-mode switching, rapid cooling or a high-delay bus, physical coupling verification of a motor and a refrigerant loop and synchronous scheduling verification of an instruction chain cannot be realized. Due to the fact that matrix decoupling feedforward compensation and predictive synchronous scheduling control are introduced, high-precision and real-time simulation verification under multiple modes is achieved.

The invention provides a data access method and device in a protection mode, electronic equipment and a storage medium, and the method comprises the steps: receiving a communication connection instruction from an application program, obtaining a system type, and starting communication connection with a serial port channel between an embedded controller based on the system type, the identity label of the embedded controller is converted from the first type of identity to the second type of identity; a first data access instruction from the application program is received, and a second data access instruction is sent to the embedded controller based on the first data access instruction; and obtaining target data from the embedded controller and sending the target data to the application program. Compared with the prior art that data access needs to be carried out by adopting a special drive or a programming mode and the like, the scheme enables the embedded controller to be visible in the access system, so that the access of underlying data is simple, convenient and relatively low in difficulty, and the pressure of developers is reduced.

Examples of the present disclosure describe systems and methods for sharing memory using a multi-ring shared, traversable and dynamic database. In aspects, the database may be synchronized and shared between multiple processes and / or operation mode protection rings of a system. The database may also be persisted to enable the management of information between hardware reboots and application sessions. The information stored in the database may be view independent, traversable, and resizable from various component views of the database. In some aspects, an event processor is additionally described. The event processor may use the database to allocate memory chunks of a shared heap to components / processes in one or more protection modes of the operating system.

The present invention provides an instruction fetch control system for a dual-core lockstep processor supporting extended instructions, comprising an instruction fetch module, an instruction cache, a branch prediction module, a lockstep comparison module, and a dual-core lockstep processor. The present invention implements fine-grained control of the lockstep protection mode of different user codes through lockstep extended instructions. Lockstep extended instructions use a decoding path different from conventional instructions, directly entering the lockstep extended instruction decoding logic after instruction fetching, without relying on resource scheduling of the lockstep processor's subsequent stages or a specific instruction set. Branch prediction faults are treated as a type of branch prediction failure and processed in the instruction fetch module to ensure that branch prediction faults do not contaminate the dual-core lockstep processor's subsequent stages. For subsequent stage faults in the dual-core lockstep processor, the instruction fetch module can widen the pulse width of the subsequent stage fault signal to the difference value of the dual-core instruction cycles, and align the instruction streams in the check core and the execution core by inserting no-operations into the pipeline.

The present application relates to the technical field of intelligent lock, and discloses a height detection method and device of an intelligent door lock, computer equipment and a storage medium, the method comprising: detecting the motion characteristics of a target object within the preset range of the intelligent door lock; when the motion characteristics meet the preset characteristics, acquiring an image frame sequence of the target object collected by the intelligent door lock; identifying an image frame in which the human body characteristics of the target object meet the preset conditions in the image frame sequence, to obtain at least one valid image frame; determining the current height value of the target object according to the valid image frame, and controlling the intelligent door lock to perform a control operation corresponding to the current height value. The present application solves the problems of the face recognition intelligent lock, such as the inconvenience caused by the failure of verification and the entry into the trial protection mode due to the inability to accurately identify children with insufficient height, and the lack of child growth monitoring record function.

Comprising a plurality of power supply units, a processor, and a non-transitory computer-readable medium storing instructions thereon, the instructions, when used by the processor, cause a set of functions to be executed. The set of functions includes detecting an overcurrent of a first power supply unit among the plurality of power supply units. The set of functions includes determining that the overcurrent of the first power supply unit corresponds to current sharing among the plurality of power supply units. The set of functions includes suppressing an overcurrent protection mode of the first power supply in response to determining that the overcurrent of the first power corresponds to current sharing.

The application provides a clipboard state-aware input control method, device, equipment and storage medium, through responding to a copy event, clipboard state information containing content identification and a timestamp is obtained, and when an input box obtains a focus, multi-dimensional context features such as a time difference, an operation sequence and a focus migration path are comprehensively collected, and whether a user holds external data to be pasted is accurately determined. When the determination result meets a protection trigger condition, the system sets the input box to a protection mode, and when a text selection operation is detected, the execution of an automatic copy instruction is inhibited, so that the external data is prevented from being mistakenly covered. While the continuity of cross-application operations and the integrity of data are ensured, the convenient copy experience in a conventional scene is retained, and through finite state machine management of complex interaction states, the accuracy of intention recognition and the robustness of the system are significantly improved.

The disclosure relates to a memory device and an operating method thereof. The memory device controls an operation based on a measured temperature. The memory device includes a plurality of memory cells, a peripheral circuit configured to perform an operation on the plurality of memory cells, a temperature circuit configured to measure a temperature of the memory device, a monitoring component configured to generate monitoring information based on whether the measured temperature is within a reference range, the monitoring information indicating whether an operation mode is a normal mode to perform the operation or a protection mode to suspend the operation, and an operation controller configured to output a signal for controlling the operation according to the monitoring information. The monitoring component is further configured to store the monitoring information and output the monitoring information to the operation controller in response to receiving the measured temperature from the temperature circuit.

An apparatus, system, and method are disclosed for automatically controlling a power setting of a power supply unit (PSU). The apparatus includes a processor and non-volatile memory having a switch configured to instruct the PSU to operate in a first overcurrent protection (OCP) mode.

The invention discloses a downtime processing method and electronic equipment, and relates to the technical field of computers.According to the downtime processing method, by monitoring the state of test end equipment, such as at least one of the user interaction behavior, the power state and the kernel state, the current situation of the test end equipment can be obtained in time; therefore, according to the monitored state data, whether downtime happens to the test end equipment is determined, whether downtime is true downtime or false downtime can be further determined, downtime processing is carried out according to a power-off protection mode of the solid state disk under the true downtime condition, and downtime processing is carried out according to a user space check point / recovery tool under the false downtime condition. According to the method and the device, automatic downtime processing is realized, and compared with a manual downtime processing mode in related technologies, the downtime processing efficiency is improved, so that the overall test efficiency is improved.

This application proposes a data access method, device, electronic device, and storage medium in a protected mode. The method includes: receiving a communication connection instruction from an application, obtaining a system type, and, based on the system type, initiating a communication connection via a serial port channel with an embedded controller, thereby converting the identity of the embedded controller from a first-class identity to a second-class identity; receiving a first data access instruction from an application, and, based on the first data access instruction, sending a second data access instruction to the embedded controller; and obtaining target data from the embedded controller and sending the target data to the application. Compared to current methods of data access that require the use of special drivers or programming, this solution makes the embedded controller visible to the access system, making access to underlying data simple, convenient, and less challenging, reducing the burden on developers.

The invention discloses a real-time astronomical telescope control command transmission method based on a reflective memory network interruption mechanism. The method comprises the following steps: upgrading a unit subsystem of the TCS system; the method comprises the following steps: arranging reflection memory cards in independent computers of a telescope TCS, an OCS and a GSS to form a CETTN; a command-parameter decoupling storage architecture is designed, and decoupling of dynamic parameters and static execution logic is achieved through CETTN partition mapping; the interrupt priority is configured to be the highest level in the RTX system; when the transmitter writes a command ID to a specified address, the RFM card sends an interrupt request to the slave control machine; an interrupt service program ISR of a receiving end firstly reads the command ID, loads a corresponding parameter template from a pre-storage area, and transmits a parameter pointer to a control thread; and setting a timer under RTX, detecting ISR response time, entering a protection mode if the response time is too long, and abandoning the command and waiting for the next command if the CRC (Cyclic Redundancy Check) is failed.

Disclosed herein is a system for limiting the rate at which a system management interrupt can suspend normal execution of a central processing unit (CPU) by switching the operating mode of the CPU from one of a real mode or a protected mode to a system management mode. The rate limit imposed by the system provides a protection against network attacks (e.g., distributed denial of service (DDoS) attacks) from malicious behaviorists, and ensures that the CPU may be more efficient in executing workloads (e.g., processing threads).

The application discloses a multi-port hybrid charging pile power pool reinforcement learning scheduling method and system, and relates to the technical field of computer data processing. The multi-port hybrid charging pile power pool reinforcement learning scheduling method and system comprises the following steps: S1, periodically collecting port scheduling data and performing preprocessing on the port scheduling data; S2, constructing and training a vehicle target SOC prediction model, outputting a vehicle target SOC, evaluating the charging urgency of each connected vehicle, and dividing a scheduling priority level; S3, constructing a port power distribution model, outputting a power distribution value of each charging port, and delivering the power distribution value to a power control interface for execution; and S4, evaluating a power scheduling execution deviation, and entering a protection mode when an evaluation anomaly occurs. The application solves the problem that fixed proportional power distribution and alternating current and direct current port topology isolation result in the inability to flexibly schedule the total power of charging piles, and cause high-power resources to be occupied by high-battery vehicles and charging of low-battery vehicles to be limited.

A power distribution network fault section positioning method and device based on medium-voltage power line carrier, an electronic device and a storage medium, the method comprising: a node terminal sets up a corresponding medium-voltage power line carrier module, and establishes a communication link of each associated node of a power distribution network; each node terminal monitors the operating state of each corresponding node in real time, and judges whether the node has a fault based on the monitoring information; if there is a fault, a signal relay mode or a regional protection mode is selected according to different scenes, fault positioning is performed, and a fault section is isolated; after the fault section is successfully isolated, a tie switch is closed to restore power supply to a non-fault section. The present application realizes the minimization of positioning and isolation of the fault section of the power distribution network under the condition of limited communication, and improves the reliability and stability of the power system operation.