132results about How to "Flexible and adaptable" patented technology

An information and notification system onboard an aircraft includes a databus that receives information transmitted from outside the aircraft via an interface and a director or control unit, as well as information from onboard data storage units via a flight attendant panel, whereby the information content can be selected, changed, and controlled. The databus may be a hard-wired or wireless databus, by which the information is provided to variable universal notification displays incorporated in passenger service units in the passenger cabin. The display can thus provide variable and selectable information content for the passengers.

The invention discloses a satellite and launch vehicle integrated aerospace system, and relates to a satellite and rocket integrated aerospace system. The system aims to solve the problems that a small satellite is difficult to flexibly adapt to the requirements of different loads of emergency disaster monitoring and that the maximum capability of a small space launch vehicle is restricted in terms of the orbit injection quality of the launched satellite. The system comprises a mission payload bay and a launch vehicle. A high-resolution camera and a data measurement and control module are arranged in the mission payload bay. The launch vehicle comprises a first-stage launch rocket, a second-stage launch rocket and a third-stage launch rocket. The system further comprises a shared service capsule and a controller area network (CAN) bus. A data acquisition and control instruction module, a propelling module, a posture and orbit control module, a power module, an apparatus mounting module and a thermal control module are arranged in the shared service capsule. The data acquisition and control instruction module controls the mission payload bay and the launch vehicle through the CAN bus. The system is applied in the field of aerospace.

A system for limiting the amount of time for a database server to perform a crash recovery process. A maximum recovery time for the database server to perform the crash recovery process is specified. An estimated recovery time for the crash recovery process that is less than the maximum recovery time is calculated, based on at least one of a deterministic analysis of cost accumulation during prior instances of the crash recovery process or an empirical analysis of cost accumulation during regular transaction processing in the database server. The crash recovery process is then conformed to the estimated recovery time.

A method and an apparatus for producing plastic bottles, including a blow molding machine, a labeler, at least one further treatment machine, and transfer starwheels provided and arranged for the machine-to-machine transportation of the bottles in such a way that the bottles are transported without buffers between the at least three machines.

The invention provides a household broadband net-system play monitoring system and method. The system comprises a gateway control sub-system and a file server; wherein the gateway control sub-system is arranged on a household gateway and used for intercepting net-play data and collecting useful net-play data, original net-play record information is generated accordingly and then reported to the file server; the gateway control sub-system is further used for performing limitation control on net-play actions at specified time intervals or with types according to preset arrangements; and the file server is sued for storing the original net-play record information. The household broadband net-system play monitoring system and method achieve functions including net-play data monitoring and collection, net-play content analyzing and extracting, net-play content and time interval limitation and the like, provide efficient safe analyzing for household net-play, provide a healthy green service channel for teenager net-play, and simultaneously simplify household net-play monitoring work. The household broadband net-system play monitoring system and method are simple to achieve, only require a household gateway accessing to the internet and one or a plurality of net-play mainframe computer, have flexible adaptive capacity on equipment input, and meet household network simplification requirements.

The invention relates to a low-cost multipoint safe and high-precision positioning monitoring system. The low-cost multipoint safe and high-precision positioning monitoring system is composed of foursubsystems of a data receiving end, a local server end, a cloud server end and a client end. At the data receiving end, satellite original data of a satellite reference station and a satellite monitoring station are separately obtained, and the satellite original data are sent to the local server end. The satellite monitoring station can obtain coordinate data of multiple point antennas by selecting one module more than once in a time sharing mode, so that the monitoring function of a GNSS board for multiple points is achieved. In the later stage, new monitoring stations or antennas can be added as required, so that intervisibility is not required between the monitoring stations, and the monitoring stations do not influence each other. Four ways is adopted in the data receiving end to sendthe data to the local server end. The local server is responsible for data format conversion, baseline calculation, data storage on original data, and the data are transmitted to the cloud server end. The cloud server end is responsible for data and instruction interaction between the local server end and the client end.

The invention discloses a no-reference video quality evaluation method aiming at a video conference. The no-reference video quality evaluation method aiming at the video conference comprises confirming ROI of an image; computing quantization influencing parameters of the image; computing code rate control influencing parameters of the image; and computing a video quality evaluating value. The no-reference video quality evaluation method aiming at the video conference which is formulated according to video conference characteristics such as simple conference scenes and special areas human eye interested in has the advantages of enabling a video quality evaluation result to be obtained just with videos to be evaluated, being good in the flexibility and the adaptability and high in the evaluation result accuracy, satisfying subjective perception of human eyes to the videos, being capable of obtaining accurate evaluation results of videos with different scenes and being good in universality.

The invention relates to a pneumatic finger clamping and finger root rotation electric finger root rotatable flexible manipulator. The manipulator comprises a fixed plate. A lead screw shaft motor ismounted on the upper surface of the fixed plate. The lower surface of the fixed plate is connected with a bottom plate through guide rods. The portions, located between the bottom plate and the fixedplate, of the guide rods are sleeved with a moving plate. A lead screw nut fixed into the moving plate is screwed on a lead screw shaft of the lead screw shaft motor. The manipulator further comprisesa fixed finger and two rotary fingers, and the fixed finger and the rotary fingers are of the same structure. The fixed finger is connected to a push rod fixing plate on one side of the bottom surface of the moving plate and rotates along the horizontal axis parallel to the axes of two torsion springs. The rotary fingers are connected to a rotary push rod fixing plate on the other side of the bottom surface of the moving plate and rotate along the vertical axis perpendicular to the different surface of the horizontal axis at equal angular displacement in the opposite direction. The pneumaticfinger clamping and finger root rotation electric finger root rotatable flexible manipulator is suitable for vertically and horizontally grabbing objects in various types of complex shapes, wide in grabbing range, high in rotation precision and high in response speed.

The invention discloses an image simulation generation method for a dot matrix character printing effect. The method comprises the steps of, first, generating needle characters, namely, reading printing character generation parameters specified by a user from a program interface, reading a font file of a specified font size from a font library, analyzing font library dot matrix information of thefont file to generate an image of specified text content, obtaining a dot matrix distribution condition from the image by utilizing a sampling technology, and drawing each printing point of dot matrixcharacters by utilizing a random stroke generation algorithm; then simulating printing defects, which comprises random parameter and random selection control lens fuzzy simulation, noise simulation,excessive ink effect simulation, random damage simulation, texture interference simulation and the like; and finally, zooming the generated simulation image to a set size, and outputting the simulation image as a sample to a file. According to the invention, more data samples are automatically generated according to the statistical characteristics of new data in an idle period by using the server,and intelligent iteration and updating of the bill character recognition algorithm are formed through autonomous incremental training learning.

According to the method in the field of medical image processing, an efficient medical image marking and learning system is realized. According to the system, an unsupervised comparative learning pre-training module introduces an unsupervised comparative learning method in a pre-training process based on an MoCo algorithm; the training module based on active learning and comparative learning obtains a pre-trained model and an actual target task data set; and further adjusts the model to adapt to the actual demand by discovering the most valuable sample in the unlabeled samples to obtain the label and providing the difficult case mining of higher weight for the sample classified by mistake and introducing the supervised contrast learning method of labeled data; and a manual annotation and model training interaction control module provides an annotation interaction interface and a model training control module. Through the system of the architecture, a universal training framework is realized.

The invention discloses an automatic matching method for a three-dimensional template of a pantograph image. The invention discloses pantograph posture recognition operator offline self-supervised learning based on pantograph three-dimensional model virtual simulation. A pantograph three-dimensional model is used to generate an image sample to be identified and label data based on a graphic technology, and a pantograph attitude recognition algorithm module is trained, so that the pantograph attitude recognition algorithm module is guided by an optical flow field during microcosmic adjustment,and is based on previously accumulated experience during macrocosmic adjustment; and then, verifying and improving a pantograph attitude estimation operator on a real pantograph image actually measured on site. According to the invention, a data statistics model and a three-dimensional imaging mechanism model are integrated; graph and image processing technologies are integrated, priori knowledgeof the railway industry is fully utilized, the data completeness problem of insufficient or incomplete samples in practice is effectively solved, a technical scheme for railway detection equipment model training in a weak supervision mode is provided, and the method can be expanded to various industrial applications.

The invention discloses an orthogonal matching pursuit method based on an FPGA. The orthogonal matching pursuit method based on the FPGA mainly solves the problems that an existing radar system is limited in complex algorithm processing capability and low in processing speed. The orthogonal matching pursuit method based on the FPGA comprises the following steps that according to radar echo data, an observation vector and a dictionary matrix are obtained; an error margin is initialized into the observation vector, zero padding is conducted on the error margin so that a difference value vector with the length being 2048 can be generated, and inverse Fourier transformation is conducted on the difference value vector by calling an FFT core; the modular square of data output by the FFT core is obtained, and the position of the maximum value is found out, namely a column position index with the maximum correlation of the error margin is found out; according to the found column position index, a column vector set is updated; Schmidt orthogonalization processing is conducted on the column vector set and the error margin is updated; the 2-norm of the error margin is obtained, whether the 2-norm is smaller than one or not is judged, and if the 2-norm is smaller than one, an original signal is recovered through a conjugate gradient algorithm. The orthogonal matching pursuit method based on the FPGA has the advantages of being higher in speed, occupying fewer resources, and being capable of being used for reconstructing Fourier-based large-scale dictionary matrices and Fourier-based high-sparsity signals.

The invention discloses an online non-contact palm vein region-of-interest extraction method, which comprises the following steps of: S1, acquiring an image acquired by front-end acquisition equipment, and performing hand region segmentation on the acquired image to form a binary image; s2, in the binary image, separating a non-zero pixel region and a zero pixel region through a boundary tracking method to track a palm contour, and then supporting simplification of palm contour concavity analysis through adaptive sampling from edge detection to reduce the number of scanning points; s3, selecting feature points by using a concavity analysis method to construct key positioning points extracted from the region of interest; and S4, constructing reference points between valley points by using the index finger and the middle finger, the middle finger and the ring finger, and the ring finger and the little finger through the coordinates constructed in the step S3, and extracting a relatively large region of interest from the acquired image, thereby completing extraction of the palm vein region of interest.

The invention provides an electromagnetic control engine braking device. The electromagnetic control engine braking device is characterized in that an action mechanism comprises a sleeve, a cam rod, apush rod and a second elastic part; the sleeve is fixedly mounted in a mounting groove; the cam rod is arranged in a mounting hole; the push rod can slide up and down to be arranged in the mounting groove; the second elastic part drives the push rod to slide upwards to enable the push rod, the cam rod and the sleeve to keep contact with the sleeve all the time; an electromagnetic controller is indriving connection with the cam rod; the push rod has a first position keeping a certain gap from a sliding pin and a second position keeping contact with the sliding pin. The electromagnetic controlengine braking device has the advantages that the cam rod is driven to rotate through the electromagnetic controller to realize switching of the push rod between the first position and the second position; accordingly, an engine is switched between a normal operation state and a braking state; the electromagnetic control engine braking device is simple in structure and more reliable in operation;the using area is increased, the response speed is increased, energy consumption is reduced, and the braking performance of the engine is further optimized.

The invention provides a turbine self-priming movable multifunctional flood fighting, irrigation and drainage pump truck set which integrates control, power, turbine vacuum drainage and an elevation draining pump and dispenses with water injection and drainage. The turbine self-priming movable multifunctional flood fighting, irrigation and drainage pump truck set comprises a power machine, a turbine vacuum machine, the elevation draining pump and an automatic control cabinet which are integrated and arranged on a same vehicle chassis. The turbine self-priming movable multifunctional flood fighting, irrigation and drainage pump truck set adopts a vacuum drainage device, and can be started without water injection; the turbine vacuum drainage device is high in displacement and can instantly discharge gas absorbed into a suction tube and introduce low-order water into the pump; the pump device has a vacuumizing halt function, is free from blockage, dispenses with heat preservation in winter, can be automatically controlled, is rapidly in water discharge, and has flexible moving capability and adaptability to various special environments, for example, a vehicle-mounted diesel generating set can further provide certain electrical energy to the outside for power or illumination, so that the pump truck set has more obvious advantages.

The invention discloses a digital compensation method. The method comprises the steps of determining a digital baseband signal for emitting a leakage interference signal and a digital baseband signal for receiving the interference signal through emitting signals, and carrying out digital compensation on received signals according to the digital baseband signal for emitting the leakage interference signal and the digital baseband signal for receiving the interference signal. The invention further discloses a digital compensation device and a duplexer. By means of the technical scheme, power amplification efficiency is improved, the index requirements for the duplexer are lowered, and performance of an FDD system is improved; in addition, the method and device are especially suitable for FDD systems.

The present invention provides a chain plate flexible finger including a chain plate framework, a pneumatic elastic bellows artificial muscle, and a plastic annular frame. The axial expansion of the elastic bellows artificial muscle is restricted by the chain plate framework to overcome the elastic force of a tension spring to bend, to generate conformal contact between one or more chain plates and an object to be gripped and generate a contact force for a gripping state. With the control of a high-speed on-off valve, the air pressure in an inner cavity of the elastic bellows artificial muscle is accurately controlled to vertically or horizontally grip a cylindrical object, a cuboid object, a spherical object or an ellipsoid object. The flexible finger has adequate flexible adaptability and a simple structure, and is reliable to use, and adapts to differently shaped objects to be gripped and vertically and transversely placed objects.

Shift registers are cipher components used for generating pseudo random sequences in the field of secret communication, comprising linear feedback shift registers LFSRs, non-linear feedback shift registers NLFSRs, and so on, wherein the maximum period T of the shift register is not greater than 2n. The feedback mode of an n-level non-linear cyclic shift register NRR refers to the following formula, in the formula, i>=0, n>=2, word length m is determined by the number of bits of a platform; <<<j represents ring shift left with j bits; a symbol referring to the description represents modular addition; c is an odd number within the range from 1 to 2<m>-1; initial values a<0>-a<n-1>of n inputted words are unlimited, and each word is an arbitrary m-digit number. When the word length is m bits, the period of the n-level non-linear cyclic shift register NRR is greater than (2<m>)<n>, i.e., the security of the n-level non-linear cyclic shift register NRR is better than the security of a traditional (non-)linear feedback shift register (N)LFSR, and the efficiency of the n-level non-linear cyclic shift register NRR is also better than the efficiency of a common (non-)linear feedback shift register (N)LFSR. The lightweight stream cipher LSNRR is designed through four non-linear cyclic shift registers NRRs, wherein the first NRR is used for secret key schedule, and modular addition is performed for outputs of the other three NRRs to generate a secret key stream of the LSNRR. The efficiency of the LSNRR is better than the efficiency of a common symmetric cipher, thus the LSNRR is suitable for the a resource-constrained environment and a resource-unconstrained environment, and is mainly used for data encryption and decryption.

The application provides a method for constructing a data source address distribution tree. The method comprises the following steps: receiving a request of inquiring kinship node information of a requester in a specified data source address distribution tree sent by the requester, wherein the requester is determined by an identifier of the requester, and the specified data source address distribution tree is determined by a data source address distribution tree identifier; adding the requester into the data source address distribution tree as a new node; and transmitting information of a parent node and a child node of a node corresponding to the requester to the requester. Through adoption of the method, the effects of saving data source address storage space, simplifying a data source address storage structure and dynamically adapting to the changes of the nodes in a network are achieved; the running and maintenance cost is lowered; and the adaptability to node changes becomes more flexible.