63results about How to "Low hardware and software requirements" patented technology

The invention relates to a online upgrading method of firmware program in hard ware that comprises following steps: 1) the hard ware is connected with the computer via communication interface; 2) activating the automatic actuating mechanism of the computer operating system; 3) the operating system executes the online upgrading program stored in memory of hard ware which is appointed by automatic actuating file; 4) the online upgrading program downloads fixed program from the preset server via network; 5) the firmware program downloaded is written into the nonvolatile definite space of memory hard ware to replace the firmware program, so the updating of the firmware program is accomplished. The invention relates to hard equipment which can update the firmware program that includes communication interface and nonvolatile memory which is used to store the firmware program, and initial information memory device, distribution file memory device, online upgrading program memory device.

The invention discloses a method for adjusting poses of airplane components based on a 3-2-1 following locator, which comprises the following steps: firstly, calculating a difference between a current space pose and a target pose of the airplane components to be adjusted according to a measured coordinate and a target coordinate of a measuring point; setting N measuring points on the airplane components to be adjusted; then, calculating a difference between a current space position and a target position of the airplane components to be adjusted; and driving a three-degree of freedom locator, a two-degree of freedom locator and a single-degree of freedom to move according to the difference. The pose adjustment algorithm is simple and easy to implement; and has good adaptability, so that non-rigid body movement cannot occur in the pose adjustment process of the airplane components, and the safety of the pose adjustment process is ensured.

The invention discloses a multi-level converter with a DC (direct current) capacitor assisted voltage-sharing circuit. The voltage-sharing circuit comprises a primary voltage-sharing circuit and a secondary voltage-sharing circuit; for the multi-level converter with N+1 levels and N DC capacitors, the primary voltage-sharing circuit comprises N/2 inductance voltage-sharing basic circuits; a switching element SA1n and a switching element SA1 (n-1) are connected with a capacitor Cn and a capacitor C (n-1) in parallel and the central connection points between the switching elements and the capacitors are connected by an inductor LA1(n/2), thus realizing the voltage-sharing of the capacitor Cn and the capacitor C (n-1); the secondary voltage-sharing circuit comprises N/2-1 groups of inductance voltage-sharing basic circuits to realize the voltage-sharing of the capacitor C (n-1) and a capacitor C (n-2); and finally, the N DC capacitors C realize the equalization of all voltages. The multi-level converter is suitable for the voltage-sharing of any level, does not influence an existing main circuit and a control principle and ensures that a main circuit converter can realize power transmission of any power factor under the condition of any modulation depth. The invention also provides specific circuits of a five-level converter as well as a realization circuit for minimizing the number of the inductors and a control method thereof.

The invention relates to the related field of oral-maxillofacial surgical medical apparatus and instruments and augmented reality technologies, in particular to a tooth-borne type maxillofacial augmented realitypositioning tracing device based on three-dimensional printing. The device is characterized by comprising an occlusion guide plate and a vision capture marking module, the vision capture marking module is provided with a retention body, a connection body and a replaceable vision capture mark, the occlusion guide plate is connected with the retention body, and the retention body and thereplaceable vision capture mark are integrally connected through the connection body. The tooth-borne type maxillofacial augmented reality positioning tracing device based on three-dimensional printing is simple in structure, convenient to operate, low in cost, portable and efficient, accurate positioning and dynamic visualization are achieved, the device is beneficial for the maxillofacial surgery, and the good effect is achieved.

The invention discloses a method and a system for transmitting home media resources on the basis of a peer-to-peer agent mechanism. The method comprises the following steps of: arranging at least one P2P (Peer-to-Peer) service end agent in a local network of a media resource provider, and providing a uniform P2P connecting inlet for all shared media resources in the local network with the at least one P2P service end agents; arranging at least one P2P client agent in a local network of a media resource user, and providing a uniform remote resource access inlet for all media resource players in the local network with the at least one P2P client agent; and when the media resource players in the local network of the media resource user need to remotely access the shared media resources in the local network of the media resource provider, sending requests to the P2P client agents in the local network with the media resource players by the media resource players, transmitting the required shared media resources to the media resource players through signalling transmission and a P2P connecting channel by the P2P client agents and the remote P2P service end agents.

The invention discloses an industrial Internet intrusion detection as well as defense method and device. In the invention, a white list check method is adopted, i.e. only if the requested service in a service request and the client sending the request conform to those of the white list, the request is accepted; and if not, the request is refused. Compared with the black list mode checking 1 to N, the detection mode does not require a database with a great number of harmful information feature codes and does not require to upgrade the database continuously, thus the detection time is greatly shortened, the demands on software and hardware are very low and the user cost is reduced. In addition, as the industrial Internet is different from the World Wide Web, i,e, the client base of the industrial Internet is limited and fixed and the services provided by the industrial Internet are limited and fixed, the industrial Internet requires to use the data and information of specific applications and can refuse the disrelated data and information request. Therefore, the industrial Internet is extremely suitable for the white list check method; and by adopting the white list mode, the attacks of external undesirable programs on the industrial Internet can be effectively prevented and the safety of the industrial Internet can be ensured.

The invention relates to a multi-level equalizing resonance zero current soft switch DC-DC converter. The DC-DC converter is composed of a direct current equalizing capacitor group and two-port DC-DC resonance soft switch conversion units connected with capacitors in the direct current equalizing capacitor group. For the converter with a level number of (m+1) (m is an integer and is more than or equal to 2, similarly hereinafter), the direct current equalizing capacitor group is composed of m direct current equalizing capacitors (Cm, C<m-1>,..., C2, C1) in series connection from top to bottom in order, and the potentials of the capacitors (Cm, C<m-1>,..., C2, C1) in the direct current equalizing capacitor group decrease from top to bottom in order. The capacitors in the direct current equalizing capacitor group are connected with at least (m-1) two-port DC-DC resonance soft switch conversion units. The DC-DC converter achieves capacitance and voltage self-balancing, all the switch tubes and diodes achieve zero current switching, the two-port DC-DC resonance soft switch conversion units work without affecting each other and independently mutually, and the whole converter system has characteristics of structure modularization and simple control mode.

The invention discloses a voice control method and a voice control system. The voice control method comprises the following steps: transmitting voice data to a cloud server by virtue of a master control terminal in a mode of network transmission; identifying the voice data by virtue of the cloud server so as to generate a control command, wherein the control command is used for controlling a controlled terminal; and by virtue of the cloud server, transmitting the control command to the controlled terminal so as to control the controlled terminal. According to the scheme disclosed by the invention, technical requirement on the controlled terminal can be greatly reduced and the complexity and the cost of the controlled terminal can be reduced; in addition, remote control of the master control terminal on the controlled terminal can be also achieved; and meanwhile, both efficiency and safety are taken into consideration.

A computer LAN-type fingerprint-base entrance guard system is composed of hardware and software. Its hardware is composed of fingerprint processing server, multiple entrance guard terminals and network communication equipment. A LAN is composed of said fingerprint processing server and multiple entrance guard terminals. The fingerprint data is acquired, compressed and encrypted by the entrance guard terminals and then transmitted to the fingerprint processing server, where original data is restored by decompression and decryption and compared with the fingerprint data stored in database. The result is transmitted to the entrance guard terminal to open or lock door.

The invention discloses an application-oriented ciphertext search method. The method comprises the steps of receiving an application data uploading request sent by a user end; analyzing the application data uploading request to obtain user application data, determining user sensitive data in the user application data and performing caching; encrypting the user sensitive data in the user application data to obtain ciphertext data, and sending the ciphertext data to an application service end; receiving response data returned by the application service end, extracting first metadata information in the response data, and according to the user sensitive data and the first metadata information, establishing a first search index; receiving a data search request sent by the user end; analyzing the data search request to obtain a keyword, and performing a search in the first search index by using the keyword to obtain a search result; and returning the search result to the user end. According to the method, a special encryption client does not need to be configured; full text search of a ciphertext is supported; transparent data encryption and ciphertext search are realized; and the functionality, efficiency and security of the ciphertext search are ensured.

The invention discloses a data encryption and decryption method and device, and a mobile terminal, and relates to the field of encryption technologies. The method comprises: generating, according to an encryption key/decryption key, a key stream source; generating, according to the key stream source and based on the Boolean function and exclusive-or (XOR) operation, a key stream; and generating encryption/decryption data by performing XOR operation on the key stream and data to be encrypted or decrypted. The encryption and decryption method and device structure which are adopted in the invention are quite simple, the requirements for software and hardware are quite low, the method and device can be applied to a low-end apparatus with quite poor calculating capability, and the size of the encrypted data is not increased too much.

The invention discloses a method and system for achieving electronic signature. According to the method, the distributed summary computing method is adopted, summary computing is achieved through distributed computing of the client side and distributed computing of the server side, an intermediate result and remainder data of the summary are obtained through primary summary computing by means of the client side and then are sent to the server side, then summary computing of the remainder part is achieved by means of the client side according to the summary computing of the client side to obtain a summary result, digital signature is conducted on the summary result to obtain a signature object which is sent to the client side together with a seal object, and finally the signature object and the seal object are added to a file to be signed through the client side so that signature can be achieved and a signed file can be obtained. The method and system have the advantages of being low in cost, high in efficiency and high in data safety.

A flow system comprises background management module custom-made as per flow, flow master module, flow statistic-analysis module and unified standard module.

The invention discloses a multi-source fusion vehicle-mounted unmanned aerial vehicle autonomous landing control method. In order to solve the problem of autonomous landing of a vehicle-mounted unmanned aerial vehicle in the high-speed moving process of a vehicle-mounted take-off and landing platform, mature RTK positioning and visual positioning are fused, and a complex information fusion algorithm is abandoned; the target position credibility of the RTK positioning module and the visual positioning module is compared, and the target position information of the positioning module with higher target position credibility is selected as a navigation information source for controlling the autonomous landing of the vehicle-mounted unmanned aerial vehicle. The invention further discloses a multi-source fusion vehicle-mounted unmanned aerial vehicle autonomous landing control device. Compared with the prior art, the technical scheme of the invention can greatly improve the autonomous landing accuracy and safety of the vehicle-mounted unmanned aerial vehicle in the moving process of the vehicle-mounted take-off and landing platform, and has the advantages of simple algorithm and low requirements on software and hardware.

The invention relates to a document image definition detection method and system, and the method comprises the steps: obtaining a target document image, carrying out the graying and binarization of the target document image, carrying out the connected domain calculation of a binarized image, obtaining mutually independent connected domains, and carrying out the detection of the definition of a document image according to the coordinates of each pixel of the binarized connected domain image. And obtaining a grayscale image and character points and non-character points corresponding to the connected domain. The method comprises the following steps: respectively carrying out gray value histogram statistics on character points and non-character points of a connected domain grey-scale map, calculating a data discrete proportion of the connected domain grey-scale map, judging whether a current connected domain is a clear connected domain or not according to a relationship between the data discrete proportion and a threshold value, and finally determining the definition of a current image according to a clear connected domain proportion. The definition detection method needs fewer image parameters, is simple and quick, and has low requirements on software and hardware of equipment.

The invention relates to a control method of an air conditioner, terminal equipment, a server and a control system of the air conditioner. The air conditioner is correspondingly provided with a near-field communication module, and air conditioner control information including air conditioner operation modes and/or operation parameters is pre-stored in the near-field communication module. The control method comprises the following steps that a communication signal of the near-field communication module is detected; the air conditioner control information in the near-field communication module is read; and a corresponding control instruction is sent to the air conditioner according to the air conditioner control information, so that the air conditioner operates according to the operation mode and/or the operation parameters. A user only needs to make the terminal equipment close to the near-field communication module, the user does not need to manually input the control instruction, the participation degree of the user is reduced, the high intelligence of the whole control process of the air conditioner is achieved, and users at all ages and under all health conditions can easily and conveniently control the air conditioner. Meanwhile, the software and hardware requirements on the terminal equipment are reduced, and the range of applicable terminal equipment is expanded.

The invention relates to the field of electron microscope characterization, discloses a scanning electron microscope sample navigation method, and aims to solve the problem that an electron microscope without a navigation device can hardly realize sample navigation. The method comprises the following steps of: marking the four vertexes of a rectangle on a sample table, recording coordinate information of the sample table in an electron microscope when the four vertexes are in the center of a field of view, pasting a sample, exposing the four marking points when the sample is pasted, imaging the sample table after the sample is pasted right above the sample table, reading the coordinate information of the four marking points and the sample in the imaging picture, calculating the coordinate information of the sample position in the scanning electron microscope by utilizing the mathematical coordinate system change, and finally inputting the sample position information into a control panel of the sample table to realize sample navigation. The method is suitable for electron microscope sample navigation.