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780results about How to "Reduce computing power requirements" patented technology

In-car communication system for multiple acoustic zones

ActiveUS20130179163A1Efficiently supportEfficiently integrateMicrophonesInterconnection arrangementsLoudspeakerMicrophone
An In-Car Communication (ICC) system supports the communication paths within a car by receiving the speech signals of a speaking passenger and playing it back for one or more listening passengers. Signal processing tasks are split into a microphone related part and into a loudspeaker related part. A sound processing system suitable for use in a vehicle having multiple acoustic zones includes a plurality of microphone In-Car Communication (Mic-ICC) instances coupled and a plurality of loudspeaker In-Car Communication (Ls-ICC) instances. The system further includes a dynamic audio routing matrix with a controller and coupled to the Mic-ICC instances, a mixer coupled to the plurality of Mic-ICC instances and a distributor coupled to the Ls-ICC instances.
Owner:CERENCE OPERATING CO

An intelligent network-connected automobile operation system based on vehicle-road collaboration

ActiveCN109714421ARealize data standardization and interconnectionMeet different applicationsParticular environment based servicesDetection of traffic movementHorizonVehicle driving
The invention discloses an intelligent network-connected automobile operation system based on vehicle-road collaboration. The intelligent networked automobile operation system comprises a high-precision map platform, a cloud control platform, a vehicle-mounted terminal platform, a vehicle-mounted computing platform and an information security platform. The high-precision map platform provides a real-time dynamic high-precision map; the cloud control platform and the vehicle-mounted terminal platform are subjected to cooperative management and control through a communication network; the cloudcontrol platform executes data storage, cloud computing and standardized data interconnection; the vehicle-mounted terminal platform executes information reporting; wherein the vehicle-mounted computing platform is connected with the vehicle-mounted terminal platform through the vehicle-mounted Ethernet, over-the-horizon perception data, map data, environment data and the like are obtained, a vehicle driving scheme is formulated through fusion calculation, and the cloud control platform, the vehicle-mounted terminal platform, the vehicle-mounted computing platform and the map platform are allprovided with safety monitors. Common basic services are provided for operation of the intelligent network connection automobile, and national and industrial development requirements are met.
Owner:CHINA INTELLIGENT & CONNECTED VEHICLES (BEIJING) RES INST CO LTD +1

360-degree dead-angle-free obstacle intelligent detection and early warning method for vehicle

The invention discloses a 360-degree dead-angle-free obstacle intelligent detection and early warning method for a vehicle, comprising the following steps that system errors are corrected through the external contour modeling of the vehicle and the correction of a sensor; surrounding areas surrounding the vehicle are classified into an effective scanning area, an ineffective scanning area and a dead angle area; and a trip computer acquires obstacle information through the vehicle-mounted radar sensor, calculates and obtains relative data of obstacles and the vehicle and running data of the vehicle relative to a stationary ground and outputs a two-dimensional top view plane of a vehicle roof from top to bottom. A driver can comprehensively know obstacles, vehicles and other objects surrounding the vehicle at any time through a display. The invention provides accurate environmental information for narrow road driving, lane switching driving and reversing of the vehicle and is a driving safety auxiliary method with extremely high intelligence and applicability.
Owner:谢鑫

Large-scale intelligent warehousing distributed sorting system

The invention discloses a large-scale intelligent warehousing distributed sorting system. By using a current intelligent warehousing system, a scale is limited, deployment cost is high and large scaledeployment can not be realized. The system of the invention is mainly used to solve the above problems. The system comprises a central control server (1), a plurality of sorting platforms (2), a plurality of mobile robots (3), a plurality of movable shelves (4) and a plurality of scheduling servers (5). The central control server is communicated with the plurality of sorting platforms and the plurality of scheduling servers in a wired mode. Each mobile robot is wirelessly communicated with the scheduling servers and completes the carrying of the different movable shelves according to the instruction of the system. The scheduling servers are arranged in the different areas of a warehouse. Under the assistance of the central control server, the task scheduling of the mobile robots is completed, and the mobile robots are controlled to avoid collision during an operation process. By using the system of the invention, operation efficiency is high, anti-interference performance is good during operation, the extensible capability of deployment is good, and the system can be used for large-scale warehouse logistics management.
Owner:XIDIAN UNIV

Method for iterative determination of distance between receiving station and transmitting station and also calculating unit and computer software product

Information received by a calculating unit via a signal from a transmitting station to a receiving station is provided with a code, a number of integral multiples of the code coming into the receiving station during the signal transfer time that the signal requires to travel between the transmitting station and the receiving station. During a first iteration, the number of integral multiples of the code is calculated and the calculated number is used at least in a second iteration without a fresh calculation being carried out.
Owner:NOKIA SIEMENS NETWORKS GMBH & CO KG

Wi-Fi signal fingerprint positioning algorithm for assisting in speculating flight tracks of pedestrians

The invention discloses a Wi-Fi signal fingerprint positioning algorithm for assisting in speculating flight tracks of pedestrians. A PDR positioning algorithm and a Wi-Fi signal fingerprint positioning algorithm are utilized for estimating positions alternatively, and the respective errors of the two algorithms are respectively amended by utilizing the result of the other one; the initial position P(x) of a user is equal to{x(0), y(0)} and is obtained by the KWNN (K weighted nearest node) based Wi-Fi signal fingerprint positioning algorithm; after the user begins to move, the variation of speed and angular speed is measured by an accelerometer and a gyroscope; the coordinate of each step of the user is estimated by utilizing the PDR positioning algorithm; Wi-Fi fingerprint positioning is carried out based on KWNN once until the user proceeds by the preset steps m, and the Wi-Fi fingerprint positioning result acts as the current result of the user; in the following m steps, the PDR positioning calculation is carried out based on the previous Wi-Fi fingerprint positioning result, and the operations are repeated in the way. The KWNN algorithm in Wi-Fi signal fingerprint positioning the corner is restrained by utilizing the movement distance and a corner output by the PDR, and the selection of the movement distance and a corner constraint reference point is obtained by the PDR within short time, so that the aim of improving the positioning precision by utilizing the KWNN algorithm is realized.
Owner:NAT UNIV OF DEFENSE TECH

Positioning system and method based on bionic polarized light navigation

The invention relates to a positioning system and method based on bionic polarized light navigation. The positioning system comprises an electronic compass, a bionic polarized light angle sensor, a horizontal sensor, an astronomical calendar query module and a computer, wherein the computer is respectively and mutually connected with the electronic compass, the bionic polarized light angle sensor and the astronomical calendar query module. The positioning system and method disclosed by the invention combine astronomical navigation with the polarized light navigation, obtain the longitude and latitude of an observing point through calculation and realize positioning by natural phenomena without man-made systems, such as a secondary planet and a radio base station; and the positioning system disclosed by the invention has the advantages of simple structure, low requirement on calculated performance, low production cost, less positioning process step, short time, high measurement accuracy and very high practicability.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Step-by-step teaching robot based on motor power and control method thereof

ActiveCN104162890AThe process of assisting torque is smoothThe process of assist torque is sensitiveProgramme controlProgramme-controlled manipulatorProduction lineElectricity
The invention discloses a step-by-step teaching robot based on motor power. The step-by-step teaching robot comprises a base and a multi-joint arm connected with the base. The multi-joint arm is in transmission connection with a connecting joint of the base through a join shaft, and all joints of the multi-joint arm itself are all in transmission connection through joint shafts. The step-by-step teaching robot further comprises an encoder for detecting and recording the movement situations of the joint shafts, the joint shafts are connected with a motor, and the encoder is electrically connected with a control system. A power computing system is further arranged. A manipulation sensing mechanism is arranged at the tail end of the multi-joint arm, and the power computing system is electrically connected with the motor and the manipulation sensing mechanism. The invention further discloses a control method of the robot. According to the step-by-step teaching robot based on the motor power and the control method of the robot, the rotation directions of the joint shafts are determined through trigger signals on the manipulation sensing mechanism to enable the motor power torque providing process to be smooth and sensitive. The computing amount in signal processing is small, complex dynamics equations do not need to be solved, and therefore the requirement for the computing capacity of a CPU is greatly lowered. The step-by-step teaching robot based on the motor power and the control method of the step-by-step teaching robot can be used in the fields such as spray coating production lines.
Owner:FOSHAN CLEV ROBOT

Internet picture transparent and safe transmission method based on chaotic encryption

The present invention relates to an internet picture transparent and safe transmission method based on chaotic encryption, and provides a chaotic digital image encryption transmission solution scheme which supports the automatic generation of a secret key and is fully transparent to the internet user operation. According to the internet picture transparent and safe transmission method based on the chaotic encryption, a browser client utilizes a JavaScript program to automatically map, calculate and obtain two key Logistic chaotic secret key parameters according to the information, such as the usernames, password Hash values, etc. inputted by the internet valid users, to realize the safe and transparent encryption and transmission on the to-be-uploaded pictures of users; a server terminal can query a user database according to the registered username to obtain the password Hash value of a user, so that a same chaotic random sequence can be obtained, and finally the encrypted pictures uploaded by the user can be decrypted; on the contrary, when the user registers validly to require the server pictures, the JavaScript program can automatically carry out the chaotic secret key parameter calculation and chaotic decryption operations at a browser terminal. According to the scheme of the present invention, the balance problem among the security, the encryption efficiency, the secret key management and the like of the internet picture transmission can be solved effectively.
Owner:ZHEJIANG UNIV OF TECH

Method, device and system for realizing dynamic blocking in three-dimensional role playing game

The invention discloses a method, a device and a system for realizing dynamic blocking in a three-dimensional role playing game. The method comprises the following steps of: setting areas required to be dynamically blocked in a projected two-dimensional game scene in advance, establishing a mapping relationship table between each set dynamically blocked area identifier and a corresponding blocking type, storing the mapping relationship table in a file, distributing the file to a server and a client, storing the mapping relationship table by the client, and establishing a mapping relationship between a three-dimensional game scene and the two-dimensional game scene; when the next found dynamically blocked area comprises a game event, acquiring a dynamically blocked area identifier corresponding to the game event; updating the established mapping relationship table according to blocking type information which carries the dynamically blocked area identifier and is returned from the server; and determining a game path according to the updated mapping relationship table, and acquiring a game operation strategy corresponding to the blocking type of the dynamically blocked area identifier for operation according to the determined game path. By the method, the device and the system, the user cost can be lowered, and the synchronization efficiency can be improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Tabular method of non-intrusive electrical load decomposition

A tabular method of non-intrusive electrical load decomposition includes the following steps of: conducting off-line statistics of unit current parameters of various pieces of electric equipment; selecting the type of main electric equipment according to electrical load; selecting a power proportion spacing to combine the power proportion vectors of all possible main electric equipment inside the electrical load; obtaining the electrical load unit estimation current corresponding to the power proportions in an off-line way and forming a corresponding table of the power proportions and the unit estimation current; thinning the corresponding table of the power proportions and the unit estimation current into a plurality of sub corresponding tables according to the size of parameters of the unit estimation current; according to the size of a practically detected load current parameter, judging a sub corresponding table therein; and finding the load unit estimation current closest to the practically detected load current in the sub table, obtaining the power consumption proportion of the main electric equipment inside the load and realizing load decomposition. The tabular method can decrease the calculation quantity of load decomposition effectively and can be applied to the fields of load monitoring, electrical energy consumption analysis, load energy saving, load prediction, load modeling and the like in an electric power system.
Owner:TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD

Methods for authenticating an identity of an article in electrical communication with a verifier system

Methods for authenticating a property of an article in electrical communication with a verifier system including, for example, reading an identification code from the article, generating a challenge phrase from a verifier system, writing a challenge phrase to a first memory location on the article, reading a response phrase from the second memory location on the article, wherein the second memory location is configured to respond with a combinational logic gate output of the second memory location and the first memory location, generating a message authentication code by encrypting the identification code using a predetermined algorithm, generating a comparison code, wherein the comparison code is a combination logic gate output of the message authentication code and the challenge phrase, and determining if the comparison code is equivalent to the response phrase. Articles configured for use with the same.
Owner:LEXMARK INT INC
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