34results about How to "Realize online modification" patented technology

The invention discloses a device for detecting 80C31 single event effect. A power module supplies power for a main detecting CPU and a detected 80C31; a current acquisition card acquires the current supplied for the detected 80C31 and sends the acquired current value to a host computer; when the current value exceeds the preset threshold value, latch happens; the host computer sends command to the power module and a power module 0 disconnects power of the detected 80C31; the main detecting CPU receives codes of test program from the host computer through a serial port and writes the received codes in SRAM; the detected 80C31 reads the codes from SRAM and operates the test program according to the read codes as well as stores the program operation results in a double-port RAM temporarily; the main detecting CPU extracts the operation results from the double-port RAM and sends the results of occurrence of single event upset to the host computer. The invention realizes the online downloading and revision of the test program with complete test contents and high device reliability.

The invention relates to a control method and a control device for production line processes. The control method comprises the following steps that: an upper computer sets respective unique process information for the production line processes, distributes one or more processing stations to each process, selects a specific process and generates a process list according to a production line processing task of a workpiece, and updates the process list according to the change requirement of the production line processing task of the workpiece; and the upper computer sends a control instruction to a controller according to the processes in the updated process list and the distributed processing station information through a data communication line after receiving station information of the workpiece to be processed, and the controller controls rail transmission of the workpiece on a production line along a material transmission line. By the method, the production line processes can be changed on line under a single task according to the actual requirement, and can be flexibly and conveniently adjusted without shutdown according to the actual production condition, production resources are redistributed, the production efficiency of the production line is improved, and cost is reduced.

The invention discloses a regenerative device and method for desulfurized and denitrified active coke. The regenerative device comprises a regenerative reactor, wherein the regenerative reactor is composed by the connection of an inlet blocking valve, a feeding bin, a heating bin, a regenerative bin, a precooling bin, a cooling bin, a discharging bin, and an outlet blocking valve in sequence; a heating heat exchanger component is arranged in the heating bin; a precooling heat exchanger component is arranged in the precooling bin; a cooling heat exchanger component is arranged in the cooling bin; a nitrogen carrying bin for inletting ammonia nitrogen gas to improve the desulfurization and denitrification performances of regenerated active coke during regeneration process is arranged between the precooling bin and the cooling bin. The regenerative method adopts the regenerative device to conduct the regeneration of the active coke. According to the invention, more reasonable utilization of energy can be realized in the regeneration process to allow the desulfurization and denitrification performance of the regenerated active coke to obtain further improvement; on-line modification can be conducted on the active coke through the nitrogen carrying bin to keep high desulfurization and denitrification performance of the active coke.

A concentrate yield online prediction method is characterized by including the steps that firstly, process index data of ore dressing working procedures and corresponding concentrate yield actual values are acquired; secondly, the acquired process index data of the ore dressing working procedures and the acquired corresponding concentrate yield actual values are combined; thirdly, concentrate yield values are online predicted in real time. According to the method, based on parameter self-tuning, the acquired process index data of the working procedures in the ore dressing production process are updated and then added to a training sample set for training participation, and a model can be online updated. According to different attributes of the process index data of the working procedures, parameters of the concentrate yield prediction model are adjusted in a self-adaptive mode, the parameters of the model are online corrected, the prediction model can well adapt to changeful working conditions, prediction accuracy of the concentrate yield is further improved, preparation engineers can make more reasonable decisions, and therefore enterprise revenues can be maximum.

The invention provides an intelligent contract auditing method, which comprises the following steps of importing the contract text information; judging whether the contract text information is qualified or not according to a review rule database created by using a historical review record in advance; and when it is judged that the contract text information is unqualified, outputting the prompt information. According to the invention, the contract text information can be accurately reviewed, the online editing and modifying functions can be provided, the prompt information can be output in timeaccording to problematic risk terms, the labor hour input of law and maintenance personnel during contract review is reduced, and the contract transfer efficiency is improved.

The invention provides an exhaust temperature monitoring device of a supercharged diesel engine for a ship and a monitoring method. The device is composed of a power supply module (1), thermocouple signal conditioning modules (2), a controller module (3), CAN bus modules (4), RS422 bus modules (5) and a temperature compensation signal conditioning module (6). The controller module (3) provides all interfaces, the power supply module (1) provides a stable power supply separated from an external power supply for the whole device, each thermocouple signal conditioning module (2) comprises four measuring channels, each CAN bus module (4) comprises two CAN bus interfaces, each RS422 bus module (5) comprises two RS422 bus interfaces, and the temperature compensation signal conditioning module (6) comprises two PT1000 thermocouple measuring channels. The invention has convenient use and easy extension and can meet the requirement of exhaust temperature monitor of the diesel engine for the ship and the comprehensive monitoring of the diesel engine.

The invention discloses online grinding equipment for a cathode roller, and belongs to the technical field of cathode roller grinding equipment. According to the technical scheme, the key point is that the online grinding equipment comprises a bracket fixed to the side of the cathode roller, wherein a slide rail and a slide base, which are matched, are arranged on the bracket in the axial direction of the cathode roller; a mounting frame is arranged on the slide base; a rotary frame is movably connected on the mounting frame; a plurality of grinding wheels are uniformly distributed on the rotary frame in a spaced mode in the peripheral direction; each grinding wheel is movably connected to the rotary frame through a bearing; one end of the rotary shaft of each grinding wheel extends to theoutside of the rotary frame, and the end part of the rotary shaft is provided with a driven contact drive disc; a negative-pressure dust sucking cavity is arranged on a radial slide base between therotary frame and the cathode roller; and the negative-pressure dust sucking cavity is in pipeline connection to an external negative-pressure dust removal system. The invention aims to provide the online grinding equipment, which is in delicate in structure, is convenient in use and is good in effect, for the cathode roller, and the online grinding equipment is used for online grinding of the cathode roller.

The invention discloses a method and device for online DDL table structure modification of a relational database, and relates to the field of relational databases (MySQL). The method comprises the steps: creating a shadow table according to a DDL function needing to be modified while an original table is not locked and a service system continuously maintains DML operation on the original table; after the shadow table is created, copying the data in the original table into the shadow table; checking the copy data in the shadow table and the data of the original table; and when the verificationresults of the shadow table and the original table are consistent, guaranteeing the consistency of the copied table data, copying and renaming the shadow table of the original table data, replacing the original table. The whole DDL table structure modification process does not affect normal operation of online services at all, and efficient processing of a large number of threads in the table structure modification process is guaranteed, and normal operation of a service system can be maintained, and target writing operation of a front-end application is not affected.

The invention discloses an access control method, device, equipment, and a medium. The method comprises the steps of querying target information of a volume under storage equipment connected with an iSCSI client by using a preset iSCSI protocol capacity query algorithm; judging whether an unauthorized access volume unauthorized to access by the iSCSI client exists in volumes under storage equipment connected with the iSCSI client or not according to the target information; and if so, sending error information to a local kernel, so that the iSCSI client does not access the unauthorized access volume. In this way, under the condition that normal service operation is not affected, access control over volumes of the storage equipment end can be conducted, the problems of data loss and the likeare avoided, and access permission of different volumes of the same storage equipment end can be modified online.

The invention provides a password modification method for an enterprise bank authentication medium, and relates to the technical field of information security. The method comprises: if it is judged that an enterprise authentication request passes authentication, sending authentication passing information to a first client terminal; receiving an applicant identification request sent by the first client terminal; checking the real condition of the applicant, and if the real condition of the applicant is checked successfully, sending a password resetting authorization request to a second client terminal; receiving confirmation authorization indication information sent by the second client terminal; checking the real situation of the authorizer, and if it is judged that the real situation of the authorizer passes checking, sending password resetting permission information to the first client terminal; and receiving a password resetting request sent by the first client terminal, and sending password resetting indication information to the manufacturer server to reset the password. The device is used for executing the method. According to the password modification method and device for the enterprise bank authentication medium provided by the embodiment of the invention, the password modification efficiency of the bank authentication medium is improved.

The invention belongs to the technical field of roller grinding, and particularly discloses a self-driven double-guide-wheel device which comprises a guide wheel transverse feeding device, a guide wheel shaft part device and a guide wheel shaft driving device. The guide wheel transverse sliding plate is movably connected with the guide wheel transverse feeding base through an adjusting assembly with a locking function, the guide wheel transverse sliding plate can slide left and right in the width direction of the guide wheel transverse feeding base and be locked and positioned, the guide wheel shaft device comprises a guide wheel shaft, the front end of the guide wheel shaft is sleeved with double guide wheels, and the double guide wheels are driven by a driving motor to rotate. The driving shaft rotates and drives the double guide wheels to rotate through the guide wheel shaft, arc opening and accurate roller outer circle grinding can be conducted on the same grinding machine in a stepping mode, secondary roller clamping is avoided, the roller coaxiality and the finished product quality are improved, the machining efficiency is high, the finished product quality is good, and adjustment, installation, maintenance and use are convenient.

The invention discloses an intelligent LED dimming device. The device comprises a light intensity detection unit, an FPGA unit and a light power output unit. An electric signal of the light intensitydetection unit is connected to the input end of the FPGA unit, the output end of the FPGA unit is connected to the light power output unit, and the FPGA unit performs logic judgment according to an LED light intensity numerical value detected by the light intensity detection unit and performs light intensity adjustment on the light power output unit.

An intelligent voltage protection device based on an FPGA comprises a voltage transformer unit, an FPGA unit and a voltage control unit, wherein an electric signal of the voltage transformer unit is connected to the input end of the FPGA unit, and the output end of the FPGA is connected to the voltage control unit. The FPGA unit performs logic judgment according to the detection signal of the voltage transformer unit and performs protection action on the voltage control unit.

The invention discloses an implementation method for parallel testing of multiple PLCs, and belongs to the field of automation. The method comprises the steps that firstly, a test platform composed of a test console, an IO manager and the like is built, and an engineer compiles a test case, sets operation parameters and sends the operation parameters to a PLC remote control gateway; the test console selects n PLC numbers and m test case numbers which need to be started, inputs serial port communication channel parameters, and then sends the serial port communication channel parameters to the IO manager and the serial port switcher; the IO manager starts the corresponding PLCs and sends the m test case numbers to the corresponding n PLCs; each PLC calls a corresponding test case from the PLC remote control gateway for operation, and outputs a result; meanwhile, the operation condition of the PLC is fed back to the IO manager and is transmitted to the test console; the serial port switcher is used for respectively configuring serial port channels for the n PLCs to realize communication between each PLC and the tested case; and finally, the test console carries out real-time monitoring and parameter modification on each PLC. According to the invention, the testing efficiency and the testing capability under the condition that multiple PLCs are parallel are effectively improved.