50results about How to "Simple architecture" patented technology

The invention relates to a intelligent method for monitoring vehicle flow, wherein the method is based on a magnetoresistive sensor and a ZigBee network. The method is used to solve some problems in urban traffic. According to the invention, vehicle flow in traffic is monitored. And then after data is processed, the data is transmitted to a traffic control department and a communication service provider; on one hand, the obtain data information is further utilized by the traffic control department to lead and control the traffic; on the other hand, the communication service provider utilizes a self-communication network to give guidance to information-demanding users including mobile communication users for their trips. Therefore, people can understand the situation of the amount of the traffic without passing a section of a road; consequently, support is provided for selection of trip routes of the people taking trips, so that it is convenient for the people to go out and an operation of a city becomes more efficient. With utilization of the mobile communication network of the communication service provider and mobile terminal equipment like a mobile phone and a PDA and the like, traffic indication and guidance are provided for people that go out and people that are on the way, so that a traffic jam degree can be reduced, traffic accidents can be avoided, and success rates of handling special events like emergency rescue and disaster rescue can be improved.

The invention discloses a data flow correlation control method and an architecture of a computer numerical control system, namely DRC control technology. In accordance with the generation, transmission and execution of the control information processing flow and based on the movement command of the execution organism, the DRC control technology divides the numerical control technology into three levels, such as a PC system, a data flow controller and an execution organism. The PC system completes the user program compiler, trajectory numerical calculation, data control flow generation, data manifold optimization and data-flow distribution matrix generation, execution program generation, etc in off-line. The data flow controller operates the execution program and distributes movement command in real time. The execution organism carries out the movement command. The DRC control system realizes the real-time control of the soft opening and process parameter of the numerical control system, cancels the real time control function of the interpolation iteration control technology, and substitutes the control method and the architecture of the prior art taking the interpolation iteration control algorithm as core based on the real-time operation system.

A double clutch winding transmission, having two sub-transmissions (T1, T2), coaxial transmission input shafts (1, 19), which are each coupled to a clutch (K1, K2), at least one counter shaft (2, 22) and a transmission output shaft (15) that is coaxially aligned with the transmission input shaft (1, 19). In at least one gear shift position, the flow of energy (L1 to L8) in the transmission winds through at least two meshing gear wheels (3 to 14), forming gear wheel levels (Z1 to Z6). The two sub-transmissions (T1, T2) are configured as two, consecutively positioned, single winding transmissions (W1, W2), each having at least four forward gear positions.

The invention belongs to the field of data communicating and information security, and especially relates to an identity fusion authentication method based on biological characteristics, for solving the problems in the prior art. According to the invention, only a small amount of biological characteristic information needs to be reserved, a PKI system structure is simplified, a private key may not be saved, and the system safety and reliability are improved. Through a biological characteristic acquisition device, the private key of a user is calculated, a verification value is calculated, and if the verification value is consistent with a reserved verification value, the authentication succeeds. The method provided by the invention is applied to the field of information security.

The invention discloses a method and a device for achieving dual-mode mobile industry processor interface (MIPI) signals through a bridge chip. The device comprises a low voltage differential signaling (LVDS) to red, green and blue (RGB) module, a mode switch, a video mode data processing module, a command mode data processing module and an interface switch. The device is used for converting an LVDS video signal to a RGB video signal of a data bus interface of the bridge chip in video or command modes according to user setting and for displaying by a liquid crystal module with a MIPI interface. According to the method and the device for achieving the dual-mode MIPI signals through the bridge chip, the achievement is based on the bridge chip, meanwhile, the video and command modes of the bridge chip are compatible, the two modes can be real-timely switched through configuration commands of an upper layer module, appropriate modes can be selected according to system real-time states, and thereby, power consumption and resource expenses can be effectively reduced.

The invention discloses a high-precision map and sensor fusion based location method of a ramp of an underground parking garage. The location method comprises the following steps of a step 1), when an autonomous vehicle is enabled to begins entering the ramp of the underground parking garage, apperceiving the type of the ramp by an in-vehicle gradient sensor, so as to obtain the information that the vehicle is enabled to begins entering the ramp of the underground parking garage; a step 2), when the autonomous vehicle is enabled to begins entering the ramp, measuring distances of the vehicle to two walls by radar sensors on two sides of the vehicle, judging the starting point, at the ramp, of the vehicle in a matching manner by the distances and the high-precision map in a matching manner, and establishing a three-dimensional coordinate system in the matching manner according to the relative position, , at the ramp, of the starting point and the high-precision map in the matching manner; a step 3), subjecting a known path to digital curving to obtain the formula of the known path, and correspondingly moving transferring into the three-dimensional coordinate system; a step 4), after the autonomous vehicle is enabled to enters the ramp, calculating the running mileage of the vehicle through a wheel speed pulse signal output value, matching the mileage with the formula of the path subjected to the curving to obtain the point coordinates of a corresponding curve length, namely the location coordinates of the vehicle in the coordinate system at the moment, of a corresponding curve length.

The invention discloses a cipher system suitable for combined public key (CPK) and two factor-combined public key (TF-CPK), a method for implementing direct cross authentication based on seed cipher key management, wherein, a seed cipher keys in each trust domain comprises a seed secret key (seedSK) and a seed public key (seedPK), and is a combined public key (CPK) comprising a calculation base of identification cipher key generated by the TF-CPK cipher system. The different trust domain and management domain can be composed of different seed cipher keys. According to the public characteristic of the seed public key, the seed public keys of each part by cross authentication can be constructed into a seed public key set according to the specific standard format, the ciphering part or the verification part can be selected according to the identification, thereby implementing the direct cross authentications between users of the units with independent management domain and trust domain with each other, departments, areas and even countries.

The invention relates to an IPv6 remote detector and relative method. Wherein, it comprises network communication module, video module, embedded network module, and power module, while the embedded network module is connected other three modules to be integrated in one embedded system. The inventive device uses next-generation internet, supports IPv6 and / or IPv4 network protocols, etc, to transmit data, with network interface, while it can be connected to internet independently. And it has unique address and unique globe IP address. The invention can realize remote video, alarm and detection, etc.

Plenty of problems have emerged during tour as the number of tourists increasingly rises, however, a good scheme for addressing these problems has not been found so far. According to the invention, an information interaction method based on information physical system and radio frequency technology is designed by mainly adopting RFID (Radio Frequency Identification) technique on the basis of CPS technology, the use information of resources, such as sight spots, hotels, restaurants and the like, is collected and converged through an information control and scheduling center in tourist attraction, then reasonable shunt information and reasonable tourist lines are fed back to tourists and guides after artificial planning, and likewise, when tourists lose touch with others, the method can aid in searching for the lost tourists and enable the guide to assemble own tourists or remind own tourists of emergency, therefore, the tourism service quality is dramatically raised, and the scheme is also advantageous in self introduction of sight spots.

Embodiments of systems and methods of the present invention include efficient, reliable aggregation and transfer of one or more sensor pods detect status to the base station and then the traffic controller. An embodiment of an access point maintains a sensor state array, which is the current status of the sensor pods in communication with the access point. The access point can maintain the sensor state array in its memory and relay the sensor state array to the base station. An embodiment of a base station can use the sensor state array information to generate and update a vehicle detector array, which is the current status of all the sensor pods in the wireless vehicle detector network. An embodiment of the base station emulates one or more bus interface units and uses the vehicle detector array to relay detector information to the traffic controller periodically or when polled.

The invention discloses a hole panoramic image pair three-dimensional imaging method, which comprises a basic principle, a method, an optimized design and algorithm realization. According to the basic principle of the three-dimensional imaging, an imaging method for a 360-DEG drilling hole wall panoramic image-paired image containing the location information of an imaging device is provided by utilizing the technological combination of an optical converter of a twin-conical-surface lens, the imaging device and the space location; a calculation formula of a panoramic image-paired image is derived by theoretically analyzing the hole panoramic image pair imaging principle, the optimized analysis is carried out for the parameters of relevant technology and the layout design, and the corresponding software algorithm is established; and by analyzing a key point and difficulties for realizing the algorithm, the corresponding implementation scheme and flow block diagram are compiled. By adopting the hole panoramic image pair three-dimensional imaging method, the difficult problem of panoramic and three-dimensional detection inside the hole can be solved, a scientific method is provided for the precise detection inside the hole, the breakthrough and substantive progress of the drilling photograph technology can be realized, and the remarkable scientific significance and economical practicability can be realized.

The present invention provides a network flow detection method, and comprises the following steps: a) adopting a flow control system to calculate the average rate of protocols according to the historical information of the protocol of the data packet and the information carried by the data packet; b) judging whether the data packet of the protocol should be controlled according to the average rate of protocols, which is calculated in the step a); and c) controlling the data packet which satisfies the control condition. Compared with the prior art, the method has the following advantages: the rate estimation algorithm based on the historical time window is adopted to accurately calculate the rate of the current protocol flow; the flexible and convenient configuration can be used for simultaneously controlling a plurality of protocols which are combined freely; the efficiency of the system is improved; only the protocol to be controlled needs processing, while others need no processing; the bypass type access brings convenience and can not form network bottlenecks; the system is simple and can be easily realized; and the system can achieve the accurate flow control.

The invention discloses a method and device for achieving COMMAND mode MIPI signals through a bridge chip. The device comprises an LVDS-to-RGB module, a COMMAND mode data buffer, an image detection module, an image switching command module, a COMMAND control module and a COMMAND mode data processing module. The device is used for converting LVDS video signals into recognizable COMMAND mode data bus interface signals of the bridge chip to be displayed by a liquid crystal module with an MIPI interface. According to the bridge chip, the RGB video signals can be completely demodulated into the MIPI video signals without errors. VESA / JEIDA LVDS video signals are converted into the RGB signals, and then the RGB signals are converted into the MIPI signals through the bridge chip. The method and device are suitable for the need for the resolution ratio of different liquid crystal modules.

The invention provides a programmable logic control device of hand-operated shift vehicle speed change box, which comprises a shift operation rod, a switch sensor, a CPLD main control module, an electric control shift valve, the A cylinder and the B cylinder. Wherein, the switch sensor comprises stage switch sensors and cylinder positioned switch sensors, while the stage switch sensors are mounted at the each stage of vehicle shift operation rod base to connect the power resource and the CPLD main control module; the CPLD main control module is connected to the drive coil of electric control shift valve; the electric control shift valve is connected to the A cylinder and the B cylinder; the A and B cylinders are individually connected to the speed change gear device of speed change box; the cylinder positioned switch sensors are mounted at the outer walls of A cylinder and B cylinder to connect the power resource and the CPLD main control module; the speed sensor is mounted inside the speed change box to connect the CPLD main control module. The invention uses the 7064S CPLD in MAXII system of Altera Company as the main control module which has simple structure, easy operation, high control speed, stable operation and stronger anti-disturb ability.

Disclosed is a sending device for transmitting video signals with an ultrahigh resolution ratio and an ultrahigh frame rate through dual twisted pairs. The sending device comprises a chroma space conversion unit, a YUV gain control unit, an image division unit, a coding unit and a D / A conversion unit which are sequentially connected are included; as for the video signals, the RGB format is converted into the YUV format through the chroma space conversion unit, and the brightness and chroma are adjusted through the YUV gain control unit; the image division unit is used for dividing the adjusted video signals into a plurality of sub images; the coding unit is used for coding the brightness Y and the chroma UV separately; and the sub images are converted into analog signals through the D / A conversion unit so that the analog signals can be transmitted on a dual-twisted-pair transmission line. The sending device has the advantages of low structuring cost and simple mode, and is beneficial for restraining common mode interference and reducing attenuation. By means of the sending device, multi-path frequency decrease treatment is achieved, the requirement for bandwidth of each signal transmission line is lowered, the degree of distortion of transmission frequency is lowered, and meanwhile, transmission problems caused by mutual interference of brightness and chroma is effectively solved.

The invention discloses a lithium ion battery management system which is applicable to construction of a high-power and high-capacity power source for an electric bicycle and an electric vehicle. By monitoring and managing a single lithium ion battery, the whole battery management system is structuralized and modularized; and by constructing a point-to-point type communication network system, a network structure is simple and practical.

The invention discloses a team exploration auxiliary communication and management method based on a wireless sensor network. A plurality of unpredictable losses of individuals, teams and even the whole society can be occurred caused by the fact that various extreme climates and bad natural environments are inevitable in team exploration. The method is a feasible scheme for exploring and solving communication and management in the team exploration. Based on the WSN (Wireless Sensor Network) technology, the method applies a ZigBee network to realize transmission of voice short messages in the team, and provides high-efficiency and energy-conservation positioning service through analyzing relative position information among general member nodes, enhanced member nodes and team leader nodes and assisting by GPS (Global Positioning System) positioning information which is provided by anchor nodes after the nodes and the information are synthetically processed. Under various extreme environments of existing systems incapable of working effectively, the method can reduce risk, avoids possible accidents, and improves the success rate of processing abnormal accidents.

The invention discloses a single photon sampling signal frequency measurement realization system and method. The scheme comprises a radio frequency preprocessing unit, a single photon sampling unit and a signal processing unit, an input radio frequency signal is processed and converted into two paths of radio frequency signals, namely an in-phase signal and an orthogonal signal, through the radiofrequency preprocessing unit; the in-phase signal and the orthogonal signal are both input into the single-photon sampling unit; the single-photon sampling unit converts the two paths of radio frequency signals into a first digital signal corresponding to the in-phase signal and a second digital signal corresponding to the orthogonal signal after processing; the first digital signal and the seconddigital signal are input into the signal processing unit at the same time, and the signal processing unit obtains frequency parameters of the input radio frequency signal through a fast processing algorithm. The brand-new single photon sampling signal frequency measurement realization provided by the invention has the advantages of high sensitivity, good realizability, good biological safety andthe like, and has important application value for broadband and real-time signal frequency measurement in the fields of biomedical sensing and the like.

The invention discloses an on-site mixed loading explosive truck process control and dynamic monitoring device. The on-site mixed loading explosive truck process control and dynamic monitoring device comprises a signal input system, an IPC integrated device and a PWM control module, wherein the signal input system is connected with the IPC integrated device, the IPC integrated device is connected with the PWM control module, and the signal input system is connected with the IPC integrated device through a CAN bus. The IPC integrated device comprises an operation system, a development system and a wide area network wireless module. The signal input system is connected with a CAN bus interface of the operation system through a CAN bus, a communication interface of the operation system is connected with the development system and an industrial configuration module, and the industrial configuration module is connected with the wide area network wireless module.

A system and method for a network to deconvolve mixtures of inputs that have been previously learned. In addition, the network is also able to segment the components of each input object that most contribute to its classification. The network consists of oscillatory units that can comprise amplitude and phase, and that can synchronize their dynamics, so that deconvolution is determined by the amplitude of an output layer, and segmentation by phase similarity between input and output layer units. Moreover, segmentation can be achieved even when there is considerable superposition of the inputs.

The invention belongs to the field of data communicating and information security, and especially relates to an identity fusion authentication method based on biological characteristics, for solving the problems in the prior art. According to the invention, only a small amount of biological characteristic information needs to be reserved, a PKI system structure is simplified, a private key may not be saved, and the system safety and reliability are improved. Through a biological characteristic acquisition device, the private key of a user is calculated, a verification value is calculated, and if the verification value is consistent with a reserved verification value, the authentication succeeds. The method provided by the invention is applied to the field of information security.

The embodiment of the invention provides a method and device for obtaining a local service and generating a link local address. The method is applied to user equipment, and comprises the following steps: after the user equipment accesses an IPv6 network, whether a router notification message is received is determined, wherein the router notification message carries a uniform resource identifier URI for indicating a local service entry; if the router notification message is not received, a link local address corresponding to a target local service is obtained, and service description information corresponding to the target local service is embedded in the link local address; and obtaining the target local service based on the link local address. Thus, the local service is obtained through the link local address, and the required target local service can be obtained only by accessing the IPv6 network without depending on a DNS server, a DHCP server and other servers.

A pitch actuating system for a turbomachine propeller including an actuator having a movable portion configured to be connected to propeller blades for displacement thereof in rotation with respect to the pitch axes of the blades. A first pitch control means for the blades includes a first transmission screw movable in rotation, a first nut traversed by said first transmission screw and configured to cooperate with the blades for their displacement, second means for feathering the blades, which comprise a second fixed transmission screw, a second nut traversed by said second transmission screw and movable in translation on said second nut, and wherein the system is configured so that a translational movement of the second nut causes a translational movement of the first transmission screw.

A method and equipment for manufacturing a power diode are described. More particularly, a manufacturing method and a unit of equipment used to remove an exposed portion of a P-N junction of a semiconductor (especially for power diodes) are described. The equipment has a reaction vessel having an input outlet and defining an airtight space inside. The power diode is placed inside the reaction vessel. A plasma generator is used to ionize an etching gas to produce free radicals and ions. The plasma generator is connected with the input outlet to flush the ionized etching gas into the reaction vessel. A shield plate is disposed under the input outlet of the reaction vessel to form a flow direction and a concentration distribution of the etching gas to etch a laterally exposed portion of the P-N junction.

The invention relates to a dynamic element matching circuit and method applied to a digital-to-analog converter, the digital-to-analog converter and a digital-to-analog conversion method. The dynamicelement matching circuit is used for encoding N-bit binary codes a(N-1),..., a1 and a0 into thermometer codes through pseudo-random codes P(N-1),..., P1 and P0 and outputting the thermometer codes. The dynamic element matching circuit comprises N stages of decoding units, an ith-level decoding unit comprises 2<i-1> decoders, and i = 1, 2,..., N. Each decoder of the ith-level decoding unit is usedfor randomly switching a first input signal a(i-1) and a second input signal according to the pseudo-random code P(i-1) and then outputting the signals as the second input signal of the next-level decoder, and the decoder of the Nth-level decoding unit outputs a thermometer code. According to the invention, the decoders of all levels are the same in structure, so that the implementation architecture of a conventional DEM is greatly simplified, the conversion rate is improved, and the circuit more suitable for being applied to a high-speed and high-precision DAC.

The invention discloses a lithium ion battery management system which is applicable to construction of a high-power and high-capacity power source for an electric bicycle and an electric vehicle. By monitoring and managing a single lithium ion battery, the whole battery management system is structuralized and modularized; and by constructing a point-to-point type communication network system, a network structure is simple and practical.