104results about How to "Improve efficiency and safety" patented technology

The embodiment of the invention discloses an automatic vehicle driving method and a device based on vehicle-road coordination. The method comprises steps of obtaining current real-time location information and destination information uploaded by a target vehicle; obtaining real-time road condition information by using a preset roadside sensor, generating a real-time driving suggestion for the target vehicle according to the current real-time location information, the destination information and the real-time road condition information; and controlling the automatic driving of the target vehicle according to the driving suggestion received by an on-board device and a high-precision map. The automatic vehicle driving method based on vehicle-road coordination can acquire real-time road condition information in a remote detection area by acquiring the roadside sensor, thereby avoiding installing lots of sensors on an automatic driving vehicle, improving automatic driving perception range of the vehicle based on vehicle-road coordination, and enhancing efficiency and safety of the automatic driving vehicle.

The invention relates to a transformer substation quantum communication model, a quantum secret key distribution center based on the model and a model achieving method. The communication model is a quantum secret key distribution system and comprises a quantum secret key distribution (QKD) optical device, a secret key obtaining module and a secret key control module. The secret key control module, the secret key obtaining module and the QKD optical device are connected in sequence. The quantum secret key distribution center comprises two levels. A primary quantum secret key distribution center (QKDC) is configured in a control center, and a second QKDC is configured at the controller end of a transformer substation. By defining a password suite compatible with secret key distribution protocol and designing a secret key distribution method, the safety and the efficiency of secret key distribution are improved, safe transmission of data is strengthened, and stability and safety of a power system network in operation are guaranteed.

The invention provides a ship mooring remote control device. The device comprises a master control module, a controlled end and a wireless communication module, wherein the controlled end is arranged on a ship and comprises a ship position and windlass environmental parameter detection module, an image acquiring and processing module and a windlass drive module. The invention also provides a ship mooring remote control method. In the method, the ship mooring remote control device is utilized, and the method comprises an input step, a transmitting step, a receiving step, a controlling step and an execution step. By the device and method provided by the invention, mooring control out of 1km is realized by selecting a proper modulation mode and transmission power, and the effective distance can be flexibly regulated according to the distance of a target, so that an operator can control mooring operation without boarding the ship, the working state and working environment of the above-water part of the mooring system can be acquired in real time through a digital camera, working condition information of the windlass of the controlled end can be monitored, and timely regulation on mooring operation can be carried out according to specific conditions, such as wind direction, wind speed, wave and the like.

The invention discloses a smart contract upgrade method, a smart contract upgrade system, related equipment, and a storage medium and belongs to the blockchain technological field. The smart contractupgrade method includes the following steps that: a blockchain node sends an upgrade request to a smart contract release center; the blockchain node receives an upgrade response containing encrypted data which is returned by the smart contract release center, wherein the encrypted data include smart contract data of a target version; the blockchain node verifies the data in the upgrade response; and the blockchain node performs upgrade with the smart contract data of the target version in response to the pass of the verification. With the smart contract upgrade method, the smart contract upgrade system, the related equipment, and the storage medium provided by the embodiments of the present invention adopted, the blockchain node sends the upgrade request to the smart contract release center so as to obtain the smart contract data of the target version; the blockchain node verifies the smart contract data of the target version, and performs upgrade; and therefore, the safe and automaticupgraded of a smart contract is realized, and the efficiency and security of the upgrade of the smart contract can be improved.

The invention provides a production method of selenium-enriched earthworm organic leaf fertilizer. The production method of the selenium-enriched earthworm organic leaf fertilizer comprises the following steps: diluting hypertoxic inorganic selenium into a certain proportion, uniformly spraying the diluted hypertoxic inorganic selenium on fermented dry cow dung, adding earthworm cocoons in a certain density, harvesting once a clitellum appears on the earthworms, cleaning the harvested earthworms, spraying water and weighing, adding white sugar and red sugar in a certain proportion, and naturally decomposing; and adding fermentation liquor in proportion, sealing and fermenting, thus obtaining the selenium-enriched earthworm organic leaf fertilizer. The production method of the selenium-enriched earthworm organic leaf fertilizer has the advantages that hypertoxic inorganic selenium is introduced into the earthworms, then is absorbed and utilized by the earthworms and participates in metabolism, and thus inorganic selenium is converted into organic selenium; the earthworms rich in organic selenium are naturally decomposed by utilizing a saccharification technology, and thus nutritional ingredients of organic selenium and the earthworms are reserved and utilized to the utmost extent; then fermentation is carried out by utilizing a biotechnology, and thus the selenium-enriched organic leaf fertilizer is obtained; the production method of the selenium-enriched earthworm organic leaf fertilizer is simple and practicable, effect is good, and after the selenium-enriched earthworm organic leaf fertilizer is diluted to a certain proportion and applied to pear trees for 3-4 times in different periods, crisp pears rich in selenium element can be produced.

The invention discloses a photovoltaic power generation micro electric network system and a maximum power tracking method, belonging to the technical field of distributed power generation and electric power network monitoring. The photovoltaic power generation micro electric network system consists of a distributed photovoltaic battery component, a load, a micro inverter, an energy monitoring center, a micro-grid bus and a protective isolation device. The photovoltaic power generation micro electric network system disclosed by the invention can increase the safety and the efficiency of the photovoltaic power generation micro electric network system.

A flexible tactile sensor apparatus is provided. The flexible tactile sensor apparatus may obtain information about an applied force, using a resistance between an upper nano wire array of an upper plate and a lower nano wire array of a lower plate, which may be changed based on a distance, between the upper nano wire array and the lower nano wire array, adjusted in proportion to the force.

Disclosed is a logistic control system. An RFID electronic tag, a GPRS, a GPS and an IC card are adopted in the system to carry out whole monitoring on important cargos. The system comprises a logistic data movable terminal and a base control center, wherein the logistic data movable terminal is arranged at a cargo in (out)-warehouse position and a transportation vehicle, obtains position information through the GPS and sends the position information to the base control center in real time through the GPRS, and the base control center transmits data to a logistic control center data base through the internet.

A direct current (DC) power supply apparatus includes an input unit configured to receive an outside DC power; a plurality of polarity correction units configured to correct the polarity of the outside DC power; a plurality of switch units installed to correspond to each of the plurality of polarity correction units; a detection unit configured to detect a flow of current of the plurality of polarity correction unit; and a control unit configured to determine a polarity correction unit, at which current of DC power flows, among the plurality of correction units based on a detection signal of transmitted from the detection unit, and control the switch unit corresponding to the determined polarity correction unit at an ON position such that the current of DC power flows through the switch unit which is controlled at the ON position.

The invention particularly relates to a cloud resource management and monitoring system and method based on distributed deployment. The cloud resource management and monitoring system and method basedon distributed deployment comprise a controller and a monitor distributively deployed in cloud resource pools of different regions, the controller and the monitor are accessed to a cloud platform ina unified mode and exchange data with the cloud platform through a message bus. The cloud resource management and monitoring system and method based on distributed deployment can not only avoid the problems caused by network and the like when the resource pools in different regions are mutually called, but also improve the execution efficiency and ensure the security. Moreover, collecting and transmitting monitoring data through the monitoring data bus can ensure the integrity and security of monitoring data transmission of massive resources, ensure that data will not be lost due to network outage and other failures, and improve the stability and reliability of the entire system.

The invention discloses a method for monitoring a discharge energy instantaneous value and an accumulation value of a klystron. According to the invention, when sparking occurs at a klystron, collection and integrated logic processing of a discharge over-current waveform peak value, a pulse width and the number of times for sparking are carried out, thereby determining the amount of the instantaneous discharge energy and the amount of the accumulation discharge energy when sparking occurs at the klystron. On the basis of utilization of the amount of the discharge energy, the duration time of the pulse high voltage loaded on the klystron is controlled, so that the metal burr inside the klystron can be removed by fully utilizing the discharge energy on the premise of security protection of the klystron and thus an objective of improvement of the voltage-withstanding testing efficiency of the klystron can be achieved. Therefore, the provided method is especially suitable for an occasion of klystron testing with utilization of a linear pulse modulator and also can be applied to testing equipment of vacuum devices that include other types of klystrons, travelling wave tubes and gyrotrons and the like and have discharge energy restrictive measures.

The present invention relates to a clothes treatment apparatus and, more particularly, to a clothes treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a clothes treatment apparatus comprising: a tub; a drum, made of a metal, which accommodates clothes and is rotatably provided inside the tub; and an induction module, provided in the tub so as to have a spacing from a circumferential surface of the drum, for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module comprises: a coil which is formed by winding a wire such that electric current is applied thereto to generate a magnetic field; and a base housing mounted on an outer circumferential surface of the tub, wherein the base housing is provided with a coil slot for defining the shape of the coil in such a manner that the wire is mounted therein so as to have a predetermined distance between wire and wire.

The invention discloses an early warning system for collision in a dead zone. The early warning system comprises a plurality of intelligent handheld mobile devices and a cloud computing platform, wherein the intelligent handheld mobile devices are used for acquiring the speed information, direction information and position information of a user; the cloud computing platform is used for receiving the speed information, direction information and position information acquired by the intelligent handheld mobile devices; and the cloud computing platform is used for computing the collision possibility and sending collision early warning information to the intelligent handheld mobile devices so as to control the intelligent handheld mobile devices to give an alarm. The invention also provides an early warning method for collision in the dead zone. According to the invention, the internet of vehicles, the cloud computing technique and the handheld mobile devices are connected with each other, so that the information interaction capacities of road traffic participators can be promoted; and a cloud computing center is adopted for macro-controlling the road traffic participators, so that the safety and efficiency of the road traffic can be greatly increased.

The invention discloses an identity authentication method and device of equipment and a computer storage medium. The method comprises that in response to an inquiry instruction sent by a management platform, the device calculates a first hash value according to the device identity information and a received random number, and sends the first hash value to the management platform; the device sendsthe first hash value to the management platform according to the first hash value; the random number is generated by the management platform after the device joins the network; in response to a queryresponse instruction sent by the device, the management platform calculates the received first hash value, obtains a second hash value and sends it to the server; the server performs legitimacy authentication on the device according to the first hash value, obtains authentication information corresponding to the device and returns the authentication information to the management platform, so thatthe management platform calculates a third hash value according to the authentication information; according to the received third hash value, the device authenticates the validity of the management platform, which can effectively improve the efficiency and security of identity authentication, and effectively improve the efficiency and security and reliability of equipment information transmission.

The invention discloses an on-off state display, comprising a microprocessor module, a high-voltage charged indicating circuit and an input quantity circuit and further comprising a state display circuit, a voice prompting circuit, a light source sensing circuit and an emergency illumination circuit, which are respectively connected with the microprocessor module. In the on-off state display disclosed by the invention, the voice prompting and emergency illumination functions are added, so that the efficiency and safety in monitoring and repairing of a switch cabinet can be improved; and a plurality of module manners communicated with a background monitoring terminal are provided and the application range of the on-off state display is widened, so that the on-off state display has good prospect of application.

The invention relates to a use method of an automatic drill rod loading and unloading drilling machine. The drilling machine is included, a mast base frame of the drilling machine is connected with a power head, and the front end of the power head is connected with an output connector; the front end of the mast base frame is connected with a clamping shackle device, a fixed clamping unit is arranged on a base of the clamping shackle device, and a rotary clamping unit capable of rotating along the axis of the output connector is further arranged on the base of the clamping shackle device; the mast base frame is connected with a rotary drill library capable of containing a plurality of drill rods through a connecting support, the rotary drill library is located on one side of the mast base frame and is in the same direction as the length direction of the mast base frame, a notch is formed in the side, facing the mast base frame, of the rotary drill library so that drill rods can be conveniently loaded and taken out, and a mechanical arm used for moving the drill rods is connected to the connecting support; and the use method of the drilling machine comprises the processes of automatically loading the drill rods and automatically unloading the drill rods. When the drilling machine is used, the drill rods can be automatically loaded and unloaded, manpower is released, and safety and using efficiency can be effectively improved.

The invention discloses an automatic chemical experiment device which comprises a main support.A hopper support and a middle support located below the hopper support are arranged on the main support.At least one hopper is placed on the hopper support.A switching device for controlling the hopper to be switched on or off is arranged on the middle support.A test tube support is arranged below the middle support.At least test tube is placed on the test tube support.The automatic chemical experiment device further comprises a controller electrically connected with the switching device.Due to the fact that the switching device is located below the hopper and can switch on or off the hopper, the test tube support is arranged below the middle support, the multiple test tubes are placed on the test tube support, different instructions are input at a controller so that liquid reactants in the hopper can be controlled to be connected or disconnected, quantitative and repeated conveying of the reactants is performed, the reactants are matched with reactants in the test tubes automatically to complete some chemical experiments, and experimenters do not need to directly make contact with experiment instruments, so that efficiency and safety are high.

The invention provides a warehouse receipt pledge financing evaluation method and device based on a block chain architecture, and the method comprises the steps that a fund demand side node receives awarehouse receipt pledge financing request, and constructs an application evaluation information block according to the warehouse receipt pledge financing request; the financing cooperation platformnode carries out financing risk assessment on the warehouse receipt pledge financing request according to the application assessment information block, and constructs a financing risk assessment result information block according to a financing risk assessment result; the fund demander node constructs a financing submission confirmation information block according to the financing risk assessmentresult information block; and the fund provider node constructs a financing result information block according to the financing submission confirmation information block and the financing risk assessment result information block, and adds the financing result information block into the blockchain. According to the technical scheme, the safety and efficiency of warehouse receipt pledge financing evaluation are improved, and the development of warehouse receipt pledge financing business is greatly promoted.

The invention provides an intelligent construction site Internet-of-Things cooperation system for realizing an intelligent tower crane. Specifically, a work planning layer is used for generating a production plan. A collaborative scheduling layer can comprise a job execution scheduling center used for processing the production plan and generating a time sequence control instruction. An Internet-of-Things integrated interface can be provided with a translation coordinator which is used for establishing a configuration item form and correspondingly updating the configuration item form according to the time sequence control instruction, and the translation coordinator translates configuration items in the configuration item form to obtain an operation instruction. A field layer can comprise the intelligent tower crane and is used for responding to the operation instruction. The intelligent tower crane can identify site and environment safety factors, and various materials can be accurately carried at fixed points within the specified time according to the flow and sequence of the production plan; and in addition, the production plan can be autonomously planned and decided, and fault early warning and fault processing can be carried out in time, so that the dependence of the tower crane on people is reduced, and the safety and efficiency of tower crane operation are improved.

The embodiment of the invention discloses an intelligent charging method and device, equipment and a readable medium. The method is used for to-be-charged equipment and comprises the steps of determining a first target parameter according to a battery state parameter corresponding to the type of the to-be-charged equipment when charging equipment is detected to be connected, and determining a first charging mode corresponding to the type of the to-be-charged equipment according to the first target parameter; setting the to-be-charged equipment according to the first charging mode so that the to-be-charged equipment is charged by the charging equipment according to the first charging mode; and acquiring a charging state parameter of the to-be-charged equipment and a discharging state parameter of the charging equipment to be used as a second target parameter per preset time frame, and determining a second charging mode again so that the to-be-charged equipment is charged by the charging equipment according to the second charging mode when the to-be-charged equipment is judged not to be matched with the first charging mode according to the first target parameter and the second target parameter. A charging scheme is matched according to the type and the charge-discharge state of the charge-discharge equipment, and the charge efficiency is improved.

The invention provides an intelligent control casing valve applied to unbalanced drilling / completion. The intelligent control casing valve comprises a body, a valve plate, a battery pack, an RFID (radio frequency identification) system, a hydraulic pump and an inner cylinder sleeve, wherein the hydraulic pump is controlled by the RFID system, and the inner cylinder sleeve is controlled by the hydraulic pump; the RFID system comprises a tag and a reader; the tag is embedded into a drill stem or is a signal ball, and the reader is arranged at the upper part of the body; a containing cavity is formed in the lower part of the body; hydraulic lines of the hydraulic pump are respectively connected with two ends of the containing cavity; the inner cylinder sleeve and the containing cavity form a sealing cavity; the side wall of the sealing cavity is provided with a boss; the boss is inserted into the containing cavity; the lower end of the inner cylinder sleeve is contacted with the valve plate; the valve plate is fixedly arranged on the body through a hinge pin and a torsional spring sheathing the hinge pin; when the inner cylinder sleeve is downward, the valve plate can be opened; the battery pack is arranged on the body, and is respectively connected with the hydraulic pump and the reader. The intelligent control casing valve is simple to install; whether the valve plate is opened or closed can be selected according to down-hole working condition, so the service life of the casing valve is effectively prolonged, and the efficiency and the safety of the unbalanced drilling are improved.

A sustainable circulating railway line and / or network, including circular-turnouts, covered by multi-way stations, as cores and / or key nodes of circulating-line and / or network including poly-rails feeder-line / net derived. The circulating railway line and / or network employs a circulating route-system to minimize red-lights, enhance and balance traffic flow, facilitates vehicles' interchange and reorganizing, and passengers' on-board and / or easy transfer, improves service layover, safety and efficiency in general, and effectively reduces the building and operating cost of the railway network.

The invention discloses a vehicle control method, a device and a storage medium, belonging to the technical field of vehicle engineering. The method comprises the following steps: acquiring vehicle information of the target vehicle; Processing vehicle information of the target vehicle through a first encryption algorithm to obtain a control key for controlling the target vehicle; Sending the control key to the first terminal and the target vehicle so that the first terminal controls the target vehicle through the control key. The invention generates a control key through vehicle information ofa target vehicle, and sends the control key to a first terminal and the target vehicle, so that the first terminal can directly control the target vehicle through the control key, the traditional remote control key is not needed, the key loss is avoided, and the efficiency and the safety of the control vehicle are improved.

The invention discloses a call information updating method for a trunking communication system terminal. The method comprises the following steps that: after entering a cell, a terminal executes the subsequent steps if not in a call state; the terminal decodes a message of a broadcast control channel (BCCH) to obtain a system message 1, obtains configuration parameters of a notification channel (NCH) from the system message 1, and starts NCH listening according to the configuration parameters; if a group call / broadcast is established, the terminal saves the information of the group call / broadcast at the terminal after listening to a group call / broadcast notification message transmitted in the NCH by a network; if the information of the group call / broadcast is changed, the terminal compares and updates the information of the group call / broadcast saved at the terminal after listening the group call / broadcast notification message transmitted in the NCH by the network; and the terminal displays the information of the group call / broadcast in real time, wherein the information comprises information on group number and information on whether the group call / broadcast is initiated by the terminal or not.

The invention discloses a data sharing system and method based on proxy re-encryption. The system comprises a data owner terminal, a data proxy terminal and a data requester terminal. The data requester terminal initiates a data transmission request, the data owner terminal generates an agency key and then sends the agency key to the data agency terminal, the agency terminal re-encrypts a first ciphertext to generate a second ciphertext which can be decrypted by the key of the data requester, and then the second ciphertext is transmitted to the data requester terminal, And the data requester terminal performs decryption to obtain a plaintext, and the encryption algorithm is constructed based on a national cryptographic algorithm. By implementing the embodiment of the invention, the data owner terminal does not need to re-download, re-encrypt and then upload the uploaded to-be-shared data, so that the communication cost in the data transmission process is greatly reduced, and in addition, the cryptographic algorithm is based on the ECC elliptic curve cryptographic theory, and has higher security and efficiency.

The invention belongs to the technical field of mining rock mass mechanics engineering, and specifically relates to a device and a method of simulating iron ore open pit-into-underground mining induced strata movement. According to the device, a 3D physical model taking the actual joint fissure condition of a rock mass into consideration is built by use of a most similar material proportioning plan, so as to reproduce the whole process of strata movement and destruction induced by mining and the laws of deformation and destruction and to provide reasonable and effective suggestions for the prevention and control of geological disasters in a mine environment.