69results about How to "Avoid long-term occupation" patented technology

An embodiment of the invention discloses a method, a device and a system for optimizing system resources. The method comprises the steps as follows: system resources and network bandwidth resources which are occupied by at least one course operating in an operating system are acquired; then the course operating in the operating system is identified according to the system resources and the network bandwidth resources which are occupied by the course, and an identification result of the course is obtained; and the identification result of the course comprises current allowed operation and operation required to be stopped currently, the course is allowed to operate continuously if the identification result of the course is the current allowed operation, and the course operation is stopped if the identification result of the course is the operation required to be stopped currently. According to the embodiment of the invention, the system resources and the network bandwidth resources in the operating system can be optimized, so that the network access speed can be increased.

The invention discloses a mapreduce computation process optimization method. The method includes the steps of dividing an original data file into a plurality of files, selecting a file from an unprocessed file collection as a sub-job to be input, determining whether files needing to be merged exist or not , and if not, submitting a task; starting a Map task with the same processing process, executing the Map operation, receiving a Map output result after sorting, merging and partitioning the output Map, performing the Reduce operation, and saving the output result; if files needing to be merged exist, submitting a task; starting a Map task with multiple processing, executing the Map operation, sending different input data to the corresponding Map, executing the Map operation, and performing sorting, merging and partitioning for multi-output; finally checking whether unprocessed data files exist in the original data file collection or not , if not, terminating a program, and if so, performing the procedure again on the divided data files. The mapreduce computation process optimization method disperses the output time, decreases the transient network traffic flow, reduces the occupancy rate of a local disk and improves the MapReduce computation process.

The invention provides a parking management method, system and equipment based on charging balancing scheduling and a medium. The parking management method based on charging balancing scheduling comprises the steps of communicating with a vehicle to be parked after the vehicle is parked in a designated parking area so as to obtain a charge state of the vehicle; selecting a free parking space witha charging pile for a vehicle with lower electric quantity and selecting a free parking space without a charging pile for a vehicle with higher electric quantity according to the charge state of the vehicle, whether the parking space is provided with the charging pile or not and a use state of the parking space; and generating a parking task and transmitting the parking task to a control unit of the vehicle, wherein the control unit of the vehicle is configured to control the vehicle to be automatically driven to the position of a matched parking space when receiving the parking task. Throughadoption of the scheme of the parking management method, system and equipment based on charging balancing scheduling and the medium, when the vehicle is parked in the designated parking area, the charge state of the vehicle is automatically obtained and the parking space is distributed for the vehicle; and after the parking space is distributed, the vehicle is automatically driven to a target parking space so as to realize charging balancing scheduling and automatic parking management.

The invention relates to a method and a device of charging segmented billing for an electric vehicle fast charging station. The method comprises the following steps: determining the parking fee of theelectric vehicle according to the parking time of the electric vehicle; determining the charging fee of the electric vehicle according to the charging power consumption of the electric vehicle; determining the charging service fee of the electric vehicle by using a time-sharing service fee objective function of the electric vehicle and constraint conditions thereof; determining the total chargingfee of the electric vehicle by using the parking fee, the charging fee and the charging service fee of the electric vehicle. According to the technical solution provided by method and device of charging segmented billing for the electric vehicle fast charging station, a time-sharing service fee price strategy is established, and a reference basis for the electric vehicle fast charging station operator to flexibly formulate the service fee and the parking fee price is provided. Through the difference of service fees in different time periods, the user can be guided to charge during the low charging period, which can alleviate the peak-to-valley difference of the power grid, reduce the occupancy of the charging pile in charging peak, and improve the utilization rate of the charging pile throughout the day.

The invention relates to a method, a device and a system used for controlling the flow of point to point document sharing in the technical field of communication. The device includes a strategy module used for providing a flow control implement strategy for sharing document; a packet filtering module receives a data packet transmitted by a Router, extracts the connection control information to form an information packet and filters the data packet and/or information packet according to the flow control implement strategy; a flow control module used for carrying through flow control on the document sharing according to the analyzed result. The invention provides a flexible control mechanism for the operation business to carry through adjusting on the document sharing part of the total flow for one side and the other side ensures the equity for a user to use a flow bandwidth to prevent some users from occupying massive bandwidth for a long time at the other side by carrying through dynamic control on the flow of the document sharing action of the user.

The invention provides a log collection method. In the method, a server responds to a log collection request, related logs of the server are automatically collected, compared with a collection methodin the prior art, on one hand, collection coverage of the related logs of the server is increased, and more logs can be collected, so that more abundant logs are provided for a user, and the user canconveniently perform comprehensive supervision and maintenance on the server according to the logs, on the other hand, the method considers the facts that an IPMI process can be occupied for a long time while the collection coverage of the related logs of the server is increased and normal operation of other tasks is influenced, and for avoiding influence on other tasks in a log collection process, the method provides a way of creating a new thread by virtue of an asynchronous mechanism for executing a log collection task, so that execution of the log collection task can not influence execution of other tasks, and resources are avoided from being occupied for a long time. Besides, the invention also provides a corresponding device and equipment.

The invention discloses a method and a device for achieving multi-pipe data transmission in an embedded system. The multi-pipe data transmission is achieved by creating a dynamic channel between entities in a host computer network; and a corresponding transmission buffer zone is arranged for each pipe. Thus, the situation the pipes may cross is avoided; a data transmission error between the entities is reduced, and the reliability of data transmission is improved. The dynamic pipe can be dynamically created and deleted, so that long-term occupation of management resources is avoided; and the resources of the host computer are saved. In addition, by adopting the technical scheme provided by the invention, centralized control also can be achieved; a network topology is supported, and the device is simple in facility, convenient to deploy, suitable for various application scenes, strong in error handling capacity and compatible with various hardware platforms, and supports a plurality of data carriers at the bottom layer.

The invention discloses a method for carrying out MAC (Media Access Control) address learning based on software and hardware coordination in VPLS (Virtual Private Lan Service). The method comprises the steps of receiving a message and analyzing the message to obtain a source MAC address and a virtual exchange instance to which the source MAC address belongs; if an address learning request access MAC address table exists, obtaining entry information in the MAC address table, and arbitrating pre-learning entry information and the entry information in the MAC address table; if MAC address authentication is started, updating an entry state to be pre-authentication and updating an aging period to be 1/2 of a preset aging period and arbitrating a link table length state; if the MAC address authentication is not started, updating the entry state to be authentication success and updating the aging period to be the preset aging period; and if the address learning request does not exist and a CPU request access MAC address table exists, when the entry state is valid and the entry information matches, performing corresponding operation on a pre-authentication entry state. According to the method, a great number of legal MAC addresses are prevented from being faked by an attacker to occupy normal MAC address table resources for a long time and the load of the CPU is prevented being too heavy, thereby maintaining the normal operation of a network and other business.

The objective of the invention is to provide a method and device for providing the information of an available wireless access point. Compared with the prior art, the method provided by the invention comprises the following steps: when a screen of user equipment is activated, detecting whether the user equipment has been connected to the wireless access point, if the user equipment is not connected to the available wireless access point, determining the available wireless access point corresponding to the user equipment, and then displaying notification information related to the available wireless access point on the screen. According to the method provided by the invention, according to the available state information of the wireless access point stored in the local of the user equipment, when the user equipment is not connected to the wireless access point, the user is reminded of the current available wireless access point according to the notification information, so that the user can quickly and accurately obtain the available wireless access point conveniently, the data flow of the user is saved, and the user experience is improved.

The invention provides a cooking device and a control method for the cooking device, applied in the field of commercial cooking. The cooking device comprises an operation panel, a controller, a display, a cooking cavity, a door body, and a communication unit. The operation panel is used to receive goods information input by a user. The controller is used to generate a corresponding payment code according to the goods information. The display is used to display the payment code, so that the user scans the code to pay. The cooking cavity is used to hold goods, and the front end of the cooking cavity is provided with an opening. The door body seals the opening of the cooking cavity. The communication unit is used to receive payment information. The controller is also used to control the cooking device to operate when receives the payment information. On one hand, the cooking device reduces manpower cost, and on the other hand, the cooking device is convenient for users to use. A user canorder in a self-service manner, so that probability of wrong order is reduced, utilization rate of the cooking device and integrated working efficiency are improved, and waiting time of the user is shortened. The cooking device is not limited by place, and the number of the cooking devices can be flexibly set through coordinating a place and requirements.

The invention relates to a gate control method and device, a computer device and a storage medium. The method comprises the steps that an access grant signal transmitted by a gate through a first typenetwork is received; responding to the access grant signal is carried out, and accessing a second type network constructed by the gate is carried out; the frequency of a mobile terminal to use the second type network is higher than the frequency of the mobile terminal to use the first type network; opening permission sent by the gate through the second type network is received; the distance between a user and the gate is acquired according to the access grant signal; and when the distance is less than or equal to a preset opening distance, responding to the opening permission is generated, and an opening request is sent to a gate control server. During the whole process, the second type network with high use frequency is prevented from being used for a long time. When the user approachesthe gate, the method automatically sends the opening request. Remote door opening can be realized without a device or other related operations, so that the gate opening control method is convenient.

The invention relates to a communication method and a communication device. The method comprises the steps of acquiring communication content and a target terminal identifier; generating first information according to the communication content and the target terminal identifier; and sending the first information to a first intercom for instructing the first intercom to send the communication content to a terminal of which the terminal identifier is the target terminal identifier via a second intercom for displaying. According to the technical scheme of the method and the device provided by the invention, when the first terminal is poor in signal and cannot communicate normally, a user can input the communication content needing to be transmitted into the first terminal, then the first terminal sends the communication content to the first intercom associated with the first terminal, and the first intercom sends the content by using a low-frequency air channel, so that the situation that the first terminal cannot send out the information when the signal is poor is avoided, the problem that the user cannot communicate in an area with poor signal is solved, and user experience is improved.

The invention relates to an endoscope calibration system and method. The endoscope calibration system includes an endoscope module, a calibration target module, and an optical tracking module, wherein the endoscope module includes a front end of the endoscope module, and an endoscope camera located in an endoscope camera channel; the calibration target module is a calibration plate such as a flat plate with an equally-spaced solid circle array pattern or a flat plate with a checkerboard pattern; the optical tracking module includes an optical tracker positioned at the front end of the endoscope, an optical tracker attached to a calibration target, and an optical position sensor. The invention also relates to an endoscope calibration method. According to the invention, the endoscope calibration can be carried out effectively, conveniently and accurately, and the working channels of the endoscope cannot be occupied additionally. The endoscope calibration system and method can be used for the real-time surgical navigation.

The invention provides a data processing method and device and a leader node. A cache pool of the distributed storage system is configured with a plurality of reset groups, each reset group corresponds to a plurality of objects stored in the cache pool, and the method comprises the following steps: if the used capacity of the cache pool reaches a preset flash disk capacity threshold value, determining a first number of objects to be subjected to flash disk refreshing in the cache pool; according to the first number and the number of the objects corresponding to the sorting groups, determiningthe second number of the to-be-brushed objects corresponding to the sorting groups, wherein the second number and the number of the objects corresponding to the sorting groups are in a positive correlation relationship; and respectively screening the second number of objects from the objects corresponding to each sorting group, and executing a disk brushing operation. According to the invention, the disk brushing frequency can be reduced, the influence on the data read-write performance is reduced, the long-term occupation of the cache pool space by the object is avoided, and the utilization rate of the cache pool space is improved.

The invention provides a grinding apparatus for hard carbon nano material production, which comprises a grinding chamber for grinding hard carbon, an active grinding mechanism for controlling the grinding of the hard carbon and a passive grinding mechanism for promoting the cyclic grinding of hard carbon powder, wherein the bottom of the grinding chamber is fixedly connected with supporting legs and the active grinding mechanism is arranged on the grinding chamber. The invention relates to the field of hard carbon processing. The grinding apparatus for hard carbon nano material production carries out analysis and research according to the grinding characteristics and current problems of the hard carbon material, is provided with the mechanism that can promote the sufficient and cyclic grinding of the hard carbon powder material, makes full use of a grinding space, has an additional cooling effect and an energy-efficient and environment-friendly effect, thereby solving the problem thatthe grinding space of a conventional grinding apparatus ofor hard carbon nano material processing is likely to be occupied by hard carbon powder piece for a long time, which seriously influences the using efficiency of the grinding space of the grinding apparatus and causes insufficient and inhomogeneous grinding and high energy consumption.

The invention discloses a method and a device for turning off background running of a program according to a quantity of GPS (Global Positioning System) satellites. The method comprises the following steps: detecting whether a social application is in a background running state and initiates a GPS positioning request in the background or not in a mobile terminal in order to call a GPS positioning function; if so, detecting whether a GPS module of the mobile terminal searches for valid visible satellites at present or not; if no valid visible satellite is searched at present, turning off the background running of the social application; if the valid visible satellites are searched at present, judging whether the quantity of the valid visible satellites is smaller than a preset quantity threshold or not; and if the quantity of the valid visible satellites is smaller than the preset quantity threshold, turning off the background running of the social application. Through adoption of the method and the device, the problems of long-term occupation of system resources and severe reduction of equipment endurance since social applications frequently initiate GPS positioning requests in a poor GPS positioning service environment are solved.

The invention is applicable to the field of logistics, and provides a pickup system and a method for distributing and collecting goods by using the pickup system. The pickup system comprises a storageshelf, a goods delivery device, a goods storage port, a pickup port, an instruction input device, an overdue goods storage cabinet and a control system, wherein the control system is electrically connected to the goods delivery device and the instruction input device, and controls the goods delivery device to deliver the goods in the storage shelf or in the overdue goods storage cabinet to the pickup port according to the received control information from the instruction input device, so that the automatic and information management of the pickup process can be achieved. Moreover, when the storage time of the goods in the storage shelf exceeds the preset pickup limitation time in the control system, the goods delivery device transfers the goods exceeding the storage time to the overdue goods storage cabinet, the phenomenon that the goods occupy the storage space of the storage shelf for a long time can be avoided, and the utilization rate of the storage space can be increased.

The invention relates to a parking lot intelligent navigation system and method based on big data. The system comprises a parking lot management platform, an access control module, a charging module and a navigation module. The parking lot management platform is used for receiving user request information and providing corresponding services for a user by calling the access control module, the charging module and the navigation module according to the user request information; the access control module is used for managing and controlling all entrances and exits of the parking lot and identifying license plates of vehicles entering and exiting the parking lot. The charging module is used for recording the parking duration of the vehicle entering the parking lot and settling the parking fee with the user when the vehicle is driven out of the parking lot; the navigation module is used for indicating the number and positions of unoccupied parking spaces for a user, helping the user to find a vehicle parked in the parking lot, and providing a navigation service for the user according to the destination of the user when the user drives the vehicle away from the parking lot. The method has the effects of intelligently managing the parking lot, providing intelligent navigation service for the user and improving the parking experience of the user.

The invention relates to the technical field of tramcars, and discloses a 100% modern urban tramcar module connecting method. Bogies are sequentially arranged on track; a single-point support module and a floating vehicle module are lifted above the track in turn; when the single-point support module is lifted, the module is lifted above the corresponding bogie and dropped slowly, and rail-transporting row trolleys are arranged at the front and rear ends of the module; when the floating vehicle module is lifted, the module is lifted above the track and rail-transporting row trolleys are arranged at the front and rear ends of the module; each rail-row trolley supports each module respectively, and each module moves on the rail through the rail-transporting row trolleys; when the modules aresupported on the track, the modules are pushed close to each other one by one, and the modules are sequentially connected; after each module is connected, a jack is arranged at the bottom of each module, each module is lifted, and the rail-transporting row trolleys are dismantled, and each jack is evacuated to complete the connection operation. The connection process is convenient, fast, accurateand reliable, avoiding long-term occupation of crown block resources, saving time and labor.

The invention discloses a map display method and device, a readable storage medium and a vehicle-mounted system. The map display method comprises the steps that when it is detected that a navigation program is started, map information is obtained, and the map information is sent to an instrument panel in real time; when a display control instruction is obtained, the instrument panel is controlled to be switched to a map display interface, and the map display interface is used for displaying the map information; and when an exit control instruction is obtained, the instrument panel is controlled to be switched from a map display interface to a traditional display interface. The problem that in the prior art, an instrument panel is occupied by map information for a long time, and consequently user experience is poor is solved.