112results about How to "Reduce upgrade costs" patented technology

The invention belongs to the technical field of vehicle-mounted upgrading control, and particularly relates to a vehicle-mounted entertainment system upgrading method and system based on Flash CAN, the method comprises the steps of hardware preparation, firmware updating file obtaining and upgrading, the upgrading process comprises the steps that current vehicle-mounted entertainment system firmware is backed up, the downloaded firmware updating file is verified, the next step is continued if verification succeeds, and the next step is continued if verification succeeds; and if the verification fails, the firmware update file is downloaded again, a specified Flash storage area is erased, the upgrade management module requests and transmits a data packet of the firmware update file to the embedded control unit, and if the request or the transmission fails, the upgrade management module rolls back to an original system, and the steps of data receiving and verification, restarting and verification are carried out, and verifying whether the functions of the vehicle-mounted entertainment system are normal. According to the invention, the risk of upgrade failure is reduced, the upgrade efficiency is improved, the security of the system is enhanced, and the system abnormity caused by improper upgrade is effectively avoided.

The invention relates to the technical field of energy storage, and discloses an upgrading method, device and system and a medium, the upgrading method, device and system are applied to an energy storage product, the energy storage product is formed by connecting multiple BMS devices in parallel, each BMS device corresponds to a battery pack, the multiple BMS devices comprise a master device and at least one slave device, and the method comprises the steps that upgrading firmware information is obtained; detecting whether the multiple BMS devices meet a device upgrading condition or not; and if the equipment upgrading condition is met, controlling the master equipment to analyze the upgrading firmware information, and carrying out file transmission upgrading on each slave equipment based on an analysis result so as to realize upgrading of the corresponding battery pack of each slave equipment. The battery pack in the energy storage product is effectively upgraded, the product upgrading cost can be saved, the upgrading operation process is simplified, the battery upgrading speed is increased, the success rate of remote upgrading is greatly increased, and the use experience of a user is met.

The invention discloses a 4G FDD stock terminal direct connection satellite-oriented time synchronization method, which comprises the following steps: firstly, a base station delays a starting point of a preamble sequence detection window and enlarges the window size, the base station receives a preamble sequence in the enlarged window and detects the size of time delay by decoding the preamble sequence, and after the base station determines the size of the time delay, the base station delays the starting point of the preamble sequence detection window; according to the method, time delay is divided into an integer part tau i and a decimal part tau f by taking milliseconds as a unit, terminals are divided into two types according to whether the decimal time delay is greater than 0.66 ms or not, so that an uplink frame structure of a base station is modified, the base station determines an uplink subframe scheduling strategy according to the uplink frame structure, the decimal part tau f of the time delay is used for determining a TA value, and the TA value is used for scheduling the uplink subframe. The integer part tau i is used for delaying receiving of uplink information, and the scheduling strategy is applied to subsequent receiving and transmitting of Msg3, downlink HARQ and other uplink information; the stock 4G terminal is directly connected with the satellite under the condition that only the base station side protocol is modified and the terminal side protocol is not changed, so that the 4G communication system supports larger time delay, and meanwhile, the upgrading cost of an operator and a user is reduced.

The invention provides a multi-adapter fine-tuning automobile question and answer method, computer equipment and a storage medium. The method comprises the following steps: establishing and pre-training a base large model; performing fine tuning on the base large model based on the maintenance fault problem data set to obtain a maintenance fault adapter; performing fine adjustment on the base large model based on the vehicle use problem data set to obtain a vehicle use problem adapter; performing fine tuning on the base large model based on the general field problem data set to obtain a general field problem adapter; and performing fine adjustment on the base large model based on the intention recognition task data set to obtain an intention recognition adapter. According to the invention, fine adjustment can be carried out according to problems in different fields, and the specificity of each field is ensured, so that the precision of field adaptation is improved, and consistent performance is ensured. The method is an important improvement on an existing single fine adjustment method, and the problem of field deviation can be effectively solved.

The invention provides a communication device of a train. The device comprises a multi-system trackside control system and a vehicle-mounted control system, the multi-system trackside control system comprises an existing trackside control system and a new trackside control system, and the new trackside control system is formed by transforming and upgrading the existing trackside control system; the vehicle-mounted control system communicates with the existing trackside control system and the new trackside control system through the same communication protocol. And the vehicle-mounted control system compatibly processes the application layer message of the existing trackside control system and the application layer message of the new trackside control system. By means of the communication device, barrier-free communication between the vehicle-mounted control system and the multi-system trackside control system can be achieved in the transition stage, and therefore the upgrading cost of an existing signal system of urban rail transit is greatly reduced.

The invention relates to the technical field of early warning disposal systems, in particular to a bridge monitoring and early warning disposal system. Comprising a multi-sensor beam body structure state data sensing unit, a multi-mode high-reliability data transmission communication unit, a cloud data storage unit, a cloud data analysis unit, a cloud data early warning unit and an on-site emergency concurrent multistage processing unit. The multi-sensor beam body structure state data sensing unit is used for sensing beam body structure state data; the multimode high-reliability data transmission communication unit is used for transmitting data and realizing signal communication; the cloud data storage unit is used for storing data at the cloud; the cloud data analysis unit is used for performing data analysis at the cloud; the safety of bridge operation and driving in special weather is ensured, a reliable and effective monitoring and early warning means is provided for the bridge service condition, emergency disposal of an emergency scene of the bridge service condition is achieved, and the idea of integration of bridge pier and bridge structure operation monitoring and emergency disposal is innovated.

The invention relates to a narrow-band system differential upgrading method of a wide-narrow band fusion terminal. When version upgrading is needed, the wide-narrow band fusion terminal firstly reports an original narrow-band system version number to the upgrading management server, the upgrading management server finds a target software version, the original narrow-band system version and the target software version are compared, and a differential upgrading package is made; and the differential upgrade package is sent to a broadband system in the broadband and narrowband fusion terminal, the broadband system sends the differential upgrade package to a narrowband system, and the narrowband system carries out an upgrade process. According to the method, differential upgrade package transmission optimization is used, only the part needing to be upgraded is transmitted, the data transmission amount is reduced, and the transmission efficiency is improved; the upgrade management server monitors the upgrade process in real time and provides a feedback mechanism to ensure smooth upgrade; and the broadband system and the upgrade management server are connected through a 5G / WIFI network, and the broadband system and the narrowband system are connected through a UART, so that the stability of data transmission is ensured.

The invention discloses an evaluation method for monitoring the consistency of batteries in real time. The method comprises the following steps: (1) selecting consistency evaluation parameters of the batteries; (2) establishing an index matrix of consistency evaluation parameters; (3) calculating a weight factor of the consistency evaluation parameter by utilizing an AHP (Analytic Hierarchy Process); (IV) determining boundary values of consistency evaluation parameters of the battery in each state; (V) calculating a consistency comprehensive parameter of the battery in each state; vI, calculating constants of a Cauchy distribution calculation formula; (VII) collecting attribute data of the battery system in real time, and calculating real-time consistency comprehensive parameters; and (VIII) obtaining a Cauchy distribution calculation formula based on the step (VI), and converting a real-time consistency comprehensive parameter into a percentage. Hardware of original equipment does not need to be changed, and the upgrading cost is reduced; the consistency of battery cell modules, clusters and stacks can be calculated in real time; and the consistency state of the current battery cell can be effectively, conveniently and quickly observed.

The invention discloses a liquid catalyst and a coal combustion efficiency improvement detection system thereof, and belongs to the technical field of coal chemical industry, the catalyst comprises active metal ions and other combustion performance adjusting substances, the activation energy of coal combustion can be reduced, and the combustion rate can be improved. Furthermore, according to the use requirement that the characteristics of all coal types are matched with the adaptability of the catalyst, in order to further optimize the proportion of all formulas of the catalyst, the invention provides a detection system for improving the coal combustion efficiency of the catalyst, the detection system comprises a plurality of test chambers, and the coal combustion efficiency of the catalyst is improved by accurately adjusting the test environment of the coal powder and the catalyst. According to the method, a high consistency test is provided, and a batch circulating test is adopted, so that the improvement effect of the catalyst on combustion of different coal types is quickly and efficiently verified, and the optimal proportion value of each component in the catalyst to a specific coal type is determined.

The invention belongs to the technical field of vehicle-mounted camera recording, and particularly relates to a multi-camera background recording method and system based on an Android 13 vehicle-mounted system, and the method comprises the steps: initializing camera management; periodically detecting the connection state of the camera, and when it is detected that at least one camera is connected, displaying real-time video preview of the connected camera on a user interface of the vehicle-mounted system; in response to user operation or vehicle-mounted system triggering, starting a background recording function of at least one camera; when the user exits from the preview interface or the vehicle-mounted system is switched to background operation, continuous operation of the background recording function is kept; when the user enters the preview interface again, real-time video preview of the camera is restored and displayed, and time information of continuous recording is displayed; and in response to the user operation, stopping the background recording function of the camera, and storing the recorded content to the external storage device. According to the invention, simultaneous preview and recording of multiple cameras can be realized.

The application provides an automatic disk IO method based on structural mechanics CAE simulation software, comprising the following steps: S1, constructing a memory-disk cooperative computing framework, and dynamically monitoring a data access state in a simulation solving process; S2, automatically exchanging non-active core data structures to a high-performance disk according to a data access frequency, a life cycle and a memory pressure; S3, loading back to the memory on demand when subsequent calculation needs to access the data exchanged to the high-performance disk; wherein the core data structures comprise a stiffness matrix, shape function data, an intermediate result vector and derivative physical quantities, and the exchange process is transparent to the solver. According to the application, the exchange process is highly transparent to the core computing logic of the solver, is automatically managed by the system, and does not need user intervention, so that efficient utilization of memory resources and stable operation of super-large-scale model simulation are realized.

The utility model belongs to the technical field of window cleaning machine structures, and particularly relates to a wheel leather for a moving wheel of a window cleaning machine, the wheel leather is used for being matched with the moving wheel of the window cleaning machine for installation and use, the wheel leather comprises a supporting body, the supporting body is provided with an inner side making contact with the moving wheel and an outer side opposite to the inner side, and a plurality of drainage grooves are formed in the surface of the outer side; the drainage grooves transversely penetrate through the surface of the outer side. In actual application, the drainage grooves play a role in drainage, and water spots are prevented from remaining at the positions corresponding to the glass. In addition, the utility model further discloses the window cleaning machine using the wheel skin.

The invention discloses a dynamic motion primitive coding method and system based on Lie group Lie algebra, and the method comprises the steps: uniformly representing the tail end pose and contact force spinor of a robot in a Lie group form, and constructing a unified mathematical framework; the method comprises the following steps: acquiring a pose and a force spinor sequence through a teaching phase, and converting the force spinor sequence into a virtual pose sequence through scaling mapping; establishing a dynamic motion primitive (DMPs) model based on the Lie group Lie algebra theory, and learning a model weight matrix and a primary function parameter by adopting local weighted regression; and according to the initial and target poses of the new task, generating a smooth trajectory through phase synchronization control and Euler integration, and outputting the smooth trajectory to a robot controller. According to the method, the problems of posture singularity and motion distortion caused by splitting of a posture channel in a traditional DMPs method are solved, the learning fidelity and reproduction stability of the six-degree-of-freedom posture track of the robot are improved, the smoothness and coordination of the whole motion process are guaranteed, and the debugging complexity of a force control system is reduced.

The utility model relates to a pressure measuring diaphragm capsule protecting and cleaning device which comprises a top cover and a base, clamping grooves are formed in the bottom of the top cover at equal intervals, clamping strips are fixedly connected to the top of the base at equal intervals, the clamping strips are used in cooperation with the clamping grooves, and the base is located on the outer side of a measuring diaphragm capsule. The device has the beneficial effects that a disposable film can be quickly fixed above the measuring diaphragm capsule, the influence of the external environment on the measuring diaphragm capsule is reduced, and the risk that the measuring diaphragm capsule is damaged or the measuring precision is reduced due to factors such as accidental collision or dust is reduced.

The invention relates to a phase shift mask substrate and a dynamic magnetron sputtering preparation method thereof, a MoSi-based gradient film layer is continuously and dynamically deposited on the substrate, and the method comprises the following steps: carrying out first-stage deposition on the substrate by adopting a molybdenum-silicon alloy target so as to form a transition layer; carrying out second-stage deposition on the transition layer to form a main body functional layer through deposition; and third-stage deposition is carried out on the main body functional layer to form a surface modification layer through deposition, and the MoSi-based gradient film layer is obtained. The invention provides a one-step sputtering deposition method capable of dynamically and accurately regulating and controlling, so that the inherent contradiction between the performance and the stress of a single-layer uniform film is fundamentally solved, and the complexity and the uncertainty of a traditional multi-step process are avoided.

The invention discloses a biomedicine standardized cubesat platform and a working method, and relates to the technical field of space.The biomedicine standardized cubesat platform adopts a 3U cubesat framework, the top layer of the 3U cubesat framework is provided with a satellite bus module, the middle layer of the 3U cubesat framework is provided with an energy and environmental control life support module, and the bottom layer of the 3U cubesat framework is provided with a biological experiment module; the satellite bus module is in bidirectional communication with the energy and environment control life support module and the biological experiment module through data interfaces. The satellite bus module further communicates with a ground station; the energy and environment control and life support module supplies energy to the satellite bus module and the biological experiment module through electrical interfaces, and provides oxygen supply, water supply and environment regulation and control support for the biological experiment module through a fluid transmission channel. Through a standardized and modularized cubesat structure, the functions of biological sample culture, environment regulation and control, real-time monitoring, data return and the like are integrated, and a low-cost and quick-response technical support is provided for space life science experiments.

The utility model relates to detection robot technical field, concretely is a kind of visual detection robot, including base, electric control cabinet, U-shaped fixing frame, U-shaped sliding frame, first visual component mounting plate, first visual component, sliding table mounting plate, first electric sliding table, second visual component, universal wheel, second electric sliding table, third visual component, extension mounting plate a, extension installation area, locking bolt, sliding frame sliding slot, sliding block slot, bolt slot and sliding block;The utility model structure is ingenious, can be directly used according to the quick flexible adjustment of assembly line width and height without large-scale reconstruction to assembly line, significantly reduce the upgrading cost and production downtime of enterprise, provide efficient, economic and strong adaptability solution for the intelligent upgrading of traditional assembly line, help to improve enterprise production efficiency and product quality control level.

The application relates to the technical field of new energy automobile battery management, in particular to a battery management system voltage-boosting charging control method and device, equipment and a medium, wherein the method comprises the following steps: collecting output voltage, communication protocol version and output capacity information of a charging device, and collecting rated voltage and real-time state information of a power battery; determining whether to start a voltage-boosting charging mode according to the output voltage and the rated voltage; in response to the voltage-boosting charging mode, calculating a target charging voltage interval according to the real-time state information and the output capacity information, so as to lift the voltage input by the charging device to the target charging voltage interval; feeding back vehicle charging demand and power battery state to the charging device, and receiving operation state information returned by the charging device, so as to adjust the output current of the vehicle voltage-boosting module to follow the power battery state during the charging process, and complete smooth switching from constant-current charging to constant-voltage charging. Thus, the charging compatibility problem of 500V charging piles and 800V high-voltage platform vehicles is solved.

The application provides a vehicle trajectory positioning method, device and electronic equipment in a no-positioning-signal scenario. The method comprises: acquiring a multi-modal data stream of a vehicle in a target time period, the target time period being a time period from the vehicle driving out of the no-positioning-signal scenario to a positioning-signal scenario; performing a mirror flipping operation on the multi-modal data stream with the end timestamp of the multi-modal data stream as a center point to obtain an initial pseudo data stream of a preset time period of the vehicle; performing an inverse inversion processing on data values in the initial pseudo data stream to obtain a pseudo data stream, and inputting the pseudo data stream into a Kalman filter to perform fusion positioning processing on the pseudo data stream by the Kalman filter to obtain a driving trajectory of the vehicle in the target time period. The problem that the prior art needs to increase a reverse filter to realize vehicle positioning in a no-signal scenario by a forward and reverse filter and has a high no-signal positioning cost is solved.

The application provides an embedded system one-key destruction method and system based on eMMC storage, and belongs to the technical field of memory data destruction. The embedded system one-key destruction method based on eMMC storage comprises the following steps: S1: a key drive detects that a destruction key is pressed down; S2: whether the time of pressing down the destruction key exceeds a first set value is judged, if not, no operation is performed, and if yes, the next step is performed; S3: an eMMC drive scanning function detects the destruction key, and if it is detected that the destruction key is pressed down, the next step is performed; S4: an erase function of the eMMC drive is executed to erase the data of the eMMC; and S5: data destruction is completed. The application has the beneficial effect that based on the existing structure, an external MCU is not needed, and one-key destruction operation of eMMC storage can be realized through pure software.

This application provides a device-level intelligent rendering optimization method, system, medium, and device applied to the Windows operating system graphics rendering workflow: An interception component deployed between the Windows graphics API and the GPU driver captures the application rendering data stream; an analysis component uses AI to identify redundant data, divides the screen area, and generates a report; an optimization component accordingly performs redundant data deletion, rendering call merging, data compression, and rendering pipeline reconstruction; an output component encapsulates the optimized data and transmits it to the GPU for rendering; and a feedback component collects GPU status data and dynamically adjusts the analysis strategy. The optimization process does not modify application code and ensures visual effects are consistent with the original data. This application's solution achieves global rendering optimization through device-level intervention, reducing GPU resource consumption and enabling low-end GPUs to smoothly run high-quality rendering scenes. Simultaneously, AI analysis balances performance and image quality, reducing hardware upgrade costs for users.

The utility model discloses a modularized drawer type switch cabinet, which relates to the technical field of switch cabinets, and comprises a switch cabinet main body, an installation adjusting mechanism is fixedly connected in the switch cabinet main body, a drawing type slide rail is installed on the side surface of the installation adjusting mechanism, a drawer main body is fixedly connected on the side surface of the drawing type slide rail, and the installation adjusting mechanism comprises a support rod. According to the height of an installation element in the drawer body, the drawer body is pushed up and down, the sleeve is driven to slide along the supporting rod, in the process that the sleeve slides along the supporting rod, the dovetail insertion block is separated from the interior of the dovetail groove in the surface of the supporting rod, at the moment, the second spring is compressed, and the limiting rod slides along the connecting frame; and after the dovetail insertion block reaches the position of a new dovetail groove again, the second spring recovers the deformation to push the dovetail insertion block to be inserted into the new dovetail groove in the side face of the supporting rod, so that the height of the drawer body is limited, and the limitation of a traditional fixed modulus is broken through.

The invention discloses a carbon fiber hard cylinder rubber layer detection system. The detection system comprises a transportation module, a heating module, a detection module and a control module. The conveying module conveys the carbon fiber hard cylinder to a designated station, the heating module uses a built-in heating roller to evenly heat the inner surface of the cylinder, and a proper temperature difference is formed on the outer surface of the cylinder by adjusting the preset temperature. The detection module adopts an infrared thermal imaging technology, captures the surface temperature distribution after heating, and carries out omnibearing imaging on the circumferential surface of the cylinder through a rotating mechanism. The detection process comprises image processing operations such as image acquisition, de-noising and temperature calibration, and a temperature anomaly region is judged through zoning analysis and feature extraction, so that the defects such as non-uniform thickness and degumming of an adhesive layer are identified. The detection system can be used for ensuring the uniformity and heat insulation performance of the rubber layer of the carbon fiber hard cylinder, and the detection efficiency and accuracy are effectively improved.

The present invention discloses an oil level detection device and detection method, including a circuit board and a processor, and also includes: the end cover structure is detachably installed on the top of the oil tank, the circuit board is built-in inside the end cover structure, the processor is integrated on the circuit board, a display device is arranged on the upper part of the end cover structure, a power supply is built-in inside the end cover structure, the power supply is connected to a charging port, and both the power supply and the charging port are connected to the circuit board; the pressure detection unit is placed inside the oil tank, and the pressure signal is fed back to the processor through the pressure detection unit, and is displayed on the display device after being processed by the processor; the float is installed at the bottom of the pressure detection unit, and under the buoyancy of the float, the pressure detection unit is separated from the oil surface, the counterweight device cooperates with the pressure detection unit, and the counterweight device sinks into the oil; the device can float and move in the oil tank, and can meet the detection needs even if the oil tank is tilted.

The present invention provides an intelligent control device for a stove, comprising: a rotating member connected to a rotary switch on the stove and mutually positioned with the rotary switch in the direction of rotation; a driving device connected to the rotating member through a transmission mechanism and used to drive the rotating member to rotate so as to drive the knob switch to move to the closed position. The intelligent control device of the present invention helps to realize the automatic shutdown of the stove by remote control, and realizes the rapid upgrade of the stove without changing the original stove structure, greatly improving the upgrade efficiency of the stove intelligence and reducing the upgrade cost of the stove intelligence.

The invention provides an arc striking device comprising an arc striking device input end connected to an electric energy supply end which is an output end of a welding and cutting device or an output end of a power supply device; the arc striking equipment output end is configured to output high-frequency arc striking voltage outwards; the control system comprises a power supply circuit, a control circuit, a high-frequency circuit and an arc ignition inductor; wherein the power supply circuit is configured to supply power to a power requiring circuit in the arc striking equipment based on electric energy input by the input end of the arc striking equipment; the high-frequency circuit is configured to generate a high-frequency voltage electric signal based on an arc striking starting signal of the control circuit; and the arc ignition inductor is configured to amplify the high-frequency voltage electric signal and then output high-frequency arc ignition voltage to the output end of the arc ignition equipment. According to the arc striking equipment, the non-contact high-frequency arc striking function can be added to welding and cutting equipment which does not support non-contact arc striking originally, the welding and cutting equipment is easy to upgrade, and the cost is low.

The present invention belongs to the field of vehicle camera recording technology, and specifically relates to a multi-camera background recording method and system based on an Android13 vehicle system, including: initializing camera management; periodically detecting the connection status of the camera, and displaying a real-time video preview of the connected camera on the user interface of the vehicle system when at least one camera is detected to be connected; responding to user operation or vehicle system triggering, starting the background recording function of at least one camera; when the user exits the preview interface or the vehicle system switches to background operation, maintaining the continuous operation of the background recording function; when the user re-enters the preview interface, resuming the display of the camera's real-time video preview and displaying the time information of continuous recording; responding to user operation, stopping the camera's background recording function, and saving the recorded content to an external storage device. The present invention can realize simultaneous preview and recording of multiple cameras.

The invention discloses a network static routing configuration method based on compatibility of an SNMP protocol and a YANG model. The network static routing configuration method comprises the following steps: step 1, serialization conversion from the SNMP to the YANG: an idxBuf of the SNMP is coded into a staticroutears structural body compatible with the YANG; step 2, reverse synchronization from the YANG to the SNMP: after receiving the configuration parameter data and processing the configuration parameter data, the protocol stack module returns a corresponding processing result to the SNMP, and writes the FRR configuration state back to an MIB library through an IDB operation of the SNMP; and step 3, storing and recovering large-scale static routing configuration. According to the invention, the stock SNMP network management system can manage the YANG equipment without being transformed, so that the upgrading cost of an operator is reduced; through the adaptive compatibility solution of the application, the atomicity guarantee of the configuration transaction can be realized, the configuration change takes effect completely or rolls back completely, and the intermediate state is avoided; according to the method and the device, the performance bottleneck of large-scale static routing configuration storage is eliminated, and the configuration recovery speed when the equipment is restarted is optimized.

The application discloses a kind of water quality data day scale processing methods based on hour level automatic monitoring, by non-uniform sampling time sequence explicit introduction time weight, and with "invalid value determination+ cross day priority link+ time weighted integration+ start boundary symmetry closure+ structured archiving" rule calculation time weighted mean, realize the automation of daily scale representative value, traceable and high consistency output.The application eliminates the missing calculation / wrong calculation caused by day boundary truncation, adapts to equipment short stop, ensures the consistency of caliber, can be reviewed, improves the consistency of cross day alignment;Avoid the systematic deviation of traditional technology under uneven sampling, make the representative value consistent with the sampling rhythm;The results have stronger comparability and stability between different sites and dates.The input quality of the application is controllable, and the abnormality does not spread;The results can be calculated, audited and compared, meet the engineering audit and compliance requirements, support long-term operation and quality evaluation.