33results about How to "Achieving Adaptive Changes" patented technology

The invention discloses a liquid automatic discoloring disguised film device, and relates to the field of discoloring film devices. The liquid automatic discoloring disguised film device aims at solving the technical problems that an existing discoloring film device is single in discoloration, small in cycle times, difficult to achieve panchromatic image discoloration, small in usable area, long in response time and high in price. The liquid automatic discoloring disguised film device is composed of multi-layer discoloring runner film, a liquid injection power device, a micro valve device, a logic control unit, a colored liquid concentration ratio unit, a camera and a runner used for connection. The working principle includes that the camera collects color information of real-time environment, the color information is input to the logic control unit to be processed and obtain red, green blue (RGB) color information, logic calculation is carried out, a corresponding relation of dye concentration and proportion is obtained, a liquid dye circulation return circuit is controlled, the multi-layer discoloring runner film is enabled to become various colors which are conform to the color information of the real-time environment, and a disguised aim is achieved. The liquid automatic discoloring disguised film device is applicable to the filed of visual disguising.

The invention discloses a ZigBee protocol-based method and a system for processing a lost node. The method comprises that when the fact a loss indication message is received by a ZigBee device object of an application layer is detected, the loss indication message is reported to an application object through a specified first message interface in an application framework; when the lost node is an original parent node of a node, network scanning is triggered to determine a corresponding potential parent node of the node; a network join request is sent to the potential parent node through the ZigBee device object, so that a network is accessed again through the potential parent node; and when the lost node is an original child node of the node, the ZigBee device object is triggered to send a request for canceling the original child node to a network layer, so that information of the original child node is cancelled in the network layer. By the aid of the method, the lost node can be processed timely, network interruption time is shortened, and the stability and the adaptability of the network are improved.

The invention relates to a method for beautifying a QR code after merging images. The generation steps of the invention are as follows: Binarize the input background image to generate a reference QR code; establish a forward base matrix according to the RS code, and generate an inverse QR code through the Gauss Jordan elimination method. Toward base matrix; use the forward and reverse base matrix to flip the modules with high QR code priority in black and white to obtain a transitional QR code image; adjust the brightness of the small squares in the module to judge the module attributes; adjust the brightness of the module and combine the other two Channel to generate beautified QR code images. In the method of the invention, the transitional QR code is realized by modifying the RS data flow, so its own error correction capability will not be lost. At the same time, the Gaussian model is used to fit the decoding method of the decoder and the visual characteristics of human beings to solve the block effect problem in the brightness adjustment, so that the generated QR code has a good visual effect and ensures the stability of decoding.

The invention discloses a control method of gear shifting force of a shifting fork of an automatic dual-clutch transmission. After a gear shifting pressure control module receives a gear shifting command, the initial stage is switched to the pre-synchronization stage, initial gear shifting pressure is controlled, and a gear sleeve sliding block is driven by the shifting fork to move to the position where the gear sleeve sliding block is to make contact with a synchronizing ring; in the synchronization stage, the synchronous gear shifting pressure is controlled, and the gear sleeve sliding block is continued to be driven by the shifting fork to make contact with the synchronizing ring; in the sliding stage, the sliding gear shifting pressure is controlled, a synchronizer gear sleeve is driven by the shifting fork to move to the position where the synchronizer gear sleeve is to make contact with a conjunction gear; in the conjunction stage, the conjunction gear shifting pressure is controlled, and the synchronizer gear sleeve is engaged with the conjunction gear; and in the termination stage, gear shifting is completed by outputting a gear shifting termination state signal. According to the control method of the gear shifting force of the shifting fork of the automatic dual-clutch transmission, adaptive change of gear shifting force of gears is achieved, a gear shifting pressure curve is smooth in the gear shifting process, and one-time fast gear shifting is achieved.

The invention discloses an intelligent adjusting and controlling system for lifting and steering of a wave power generation platform. The intelligent adjusting and controlling system comprises a sensor module, a controller module, a driver module and an actuating module. The sensor module comprises ultrasonic sensors, a gyroscope used for collecting device posture information, and a wave buoy used for collecting the sea surface wave direction. The controller module comprises an MCU. The driver module is used for transmitting a control command to the actuating mechanism. The actuating mechanism comprises a lifting coarse adjustment branch, a lifting fine adjustment branch and a motor branch. According to the intelligent adjusting and controlling system, lifting and steering are integrated into a closed-loop system, and self-adaption lifting and steering actions of a device are achieved; and by feeding back data analysis results of ultrasonic waves and the gyroscope, monitoring to the real-time state of the device is achieved. The reliability and the adaptability of a current wave power generation device are greatly improved, damage caused by wave impact to a frame of the device is reduced, and energy consumed by lifting and steering is reduced; and the effective utilization rate of wave energy is increased.

The invention relates to the technical field of biomimicry, in particular to an adaptive variable-area tail fin underwater propulsion device. The adaptive variable-area tail fin underwater propulsiondevice comprises a tail fin mounting plate, wherein first shape memory metal is embedded in the tail fin mounting plate, and the other end of the first shape memory metal is fixed to a supporting plate; and the tail fin mounting plate is further connected with a tail fin deformation part, the tail fin deformation part is in an isosceles triangle shape integrally, the tail fin deformation part is provided with waist rods and a bottom rod, and two tail end motion rod parts are connected to the middle part of the bottom rod. The supporting plate is connected to the bottom rod of the tail fin deformation part through two pull rods, one ends of the pull rods are fixed into tip connecting fixing holes of the supporting plate, and the other ends of the pull rods are fixed to the joints of the bottom rod of the tail fin deformation part and the end motion rod parts. According to the adaptive variable-area tail fin underwater propulsion device, various scientific research and production activities such as ocean exploration, ocean protection are facilitated for human beings in the future.

The invention discloses an adaptive continuously-adjustable cavitation device structure. The adaptive continuously-adjustable cavitation device structure comprises a benchmark chassis, a rotatable telescopic assembly and a drive mechanism assembly which are connected with one another, wherein the benchmark chassis and the rotatable telescopic assembly rotate under the power drive action of a servomotor, and the diameter of an outer edge formed by multiple layers of sector part groups in rotating is continuously adjustable along with rotation changes of the servo motor. In the variable speed sailing process of an underwater sailing body, the adaptive continuously-adjustable cavitation device structure provides power through the drive mechanism assembly to drive the multiple layers of sector part groups of the rotatable telescopic assembly to synchronously expand outward or contract inward, and adjusts the drive mechanism assembly according to change situation feedback of hydrokinetic parameters of an external flow field of the sailing body so as to realize adaptive change of the diameter of a cavitation device, thereby completing control for the size and the form of vacuoles, decreasing the wetting area of the underwater sailing body and reducing pressure difference resistance additionally caused to the utmost, greatly reducing frictional resistance and total resistance, and greatly improving the maximum speed and sailing distance of the sailing body.

The invention relates to an improved carrier wave tracking ring based on extended Kalman filtering. The improved carrier wave tracking ring comprises a baseband signal preprocessing module, a matrix calculation module, an extended Kalman filtering module and a local NCO. At every time interval T, pre-processing on a signal I and a signal Q is carried out by the baseband signal preprocessing module to acquire observed values, a linearization matrix H is calculated through the matrix calculation module, estimation values of the phase and the frequency are acquired through calculation by utilizing the extended Kalman filtering module, the local NCO is enabled to generate a local carrier wave signal which is outputted to the baseband signal preprocessing module, and thereby carrier wave tracking at the every time interval T is realized. Through the improved carrier wave tracking ring, a phase discriminator is not required, the improved carrier wave tracking ring is suitable for tracking demands during information modulation in the low-signal-to-noise-ratio and high-dynamic situation, hardware realization is simple, the operation rate of the whole carrier wave tracking ring can be effectively improved, and resource consumption is reduced.

The present invention provides a method and device for collecting human body data. The method includes: S1, obtaining state data of the human body through a smart wearable device; S2, transmitting the state data to a cluster head node through a member node; S3, through a cluster head The node transmits the state data to the communication base station; S4, transmits the state data to the data processing center through the communication base station; the communication base station is also used to cluster the wireless sensor nodes with an adaptive time interval, and the Wireless sensor nodes are divided into cluster head nodes and common nodes. The device is used to implement the above method. The invention realizes the self-adaptive change between two adjacent clustering processes and the data forwarding amount, so that the energy consumption of wireless sensor nodes can be balanced, and the average working life of all wireless sensor nodes can be prolonged.

The invention discloses a sequence-robustness optimizing dispatching system and a dispatching method of an active power distribution network considering uncertainty. A dispatching framework comprises an upper level sequence optimizing model and a lower level robustness self-adaptive model. The dispatching method based on the dispatching framework comprises the following steps of for the traditional voltage regulation equipment in the active power distribution network, performing hourly optimizing dispatching, introducing a sequence optimizing theory, building an upper level optimizing model, and decreasing the influence of uncertainty to decisions; according to an upper level dispatching command, performing lower level optimizing within one hour, adopting a robustness self-adaptive optimizing method, and building a robustness self-adaptive active-reactive coordinated optimizing model, so as to realize the active control and real-time optimizing on the power distribution network. The dispatching method has the advantages that for the active power distribution network accessed with large-scale regenerated energy source, all controllable resources are called to provide the system support, the adverse effect by the output uncertainty of the regenerated energy source is fully decreased, and the reliable, safe, economic and efficient operation of the power distribution network is realized.

The invention provides a self-adaptive control system of MOFs electrochromic materials. The system is based on the MOFs electrochromic materials and utilizes a SOPC technology to realize the high matching of optical characteristic parameters of the materials and the environmental optical characteristics. The system is characterized in that the self-adaptive control system comprises a front-end adjusting circuit, a data acquisition module, a data processing module and a self-adaptive control module. A SOPC system development platform based on Cydone IV E as a core chip autonomously finishes thesystem hardware design, and transplants and cuts an NIOSII real-time operating system on a hardware platform through a QuartusII integrated development environment to realize a data acquisition control system. The system is used for controlling a metal organic framework compound electrochromic device, and can realize the self-adaptive change of the photoelectric characteristics by utilizing the photoelectric response dual function of the electrochromic device, so that the optical characteristic parameters of a main material are highly matched with the environmental optical characteristics.

The invention relates to an adaptive deceleration method of data transmission, which belongs to a data processing method of data transmission and solves the problems that wrong data which are previously transmitted cannot be utilized and additional operation is needed in the existing data transmission. The adaptive deceleration method comprises the following steps of subpackage, encoding and data transmission, wherein the data transmission comprises the following steps that a plurality of data packages are decoded and verified one by one by a receiving terminal; if the data packages are verified to be correct, a new data package is transmitted by a sending terminal; otherwise, data are retransmitted by the sending terminal, and joint decoding of a previous frame is performed by the receiving terminal; and the steps are continuously repeated until the data packages are decoded to be correct. According to the adaptive deceleration method, transmission data are divided into a plurality of data packages, so that errors are localized, and the retransmission efficiency is increased; by utilizing the encoding technique, a plurality of blocks of encoding data are generated from the same section of data, thereby realizing joint encoding on the receiving terminal, and the utilization ratio of the wrong data is increased; and additionally, the adaptive change of the wave velocity is realized in accordance with the channel quality, thereby removing redundant information and additional operation from transmission, and the transmission efficiency is further increased.