38results about How to "Avoid monotonicity" patented technology

The invention discloses a device based on a time-varying sliding mode variable structure control and a cross-coupling two electromagnetic suspension systems synchronous control. The device comprises a time-varying sliding mode variable structure controller which outputs a controlled quantity of a suspension system according to a suspension height error amount so as to suspend a mobile crossbeam quickly and accurately to a given height, a cross-coupling synchronous controller which adjusts synchronization performance of two electromagnetic suspension systems, a driver which drives the two electromagnetic suspension systems based on output signals of the time-varying sliding mode variable structure controller and the cross-coupling controller, and a signal detector which collects a speed and a position signal of the electromagnetic suspension systems. The synchronous control method based on the time-varying sliding mode variable structure and the cross-coupling two electromagnetic suspension systems includes that a single electromagnetic suspension system uses a time-varying sliding mode variable structure control method. The control method of the invention, while keeping such characteristics of the sliding mode variable structure as the strong robustness to the parameter perturbation and the external uncertain interference, improves the response speed of the system.

The invention relates to the technical field of machine learning, and discloses a method for automatically recommending topic contents. The method that utilizes information accurate to an internal structure of a topic is utilized to perform calculation and can automatically complete topic recommendation precise to the knowledge point level is provided, that is, on the one hand, in the case of given data, the topic recommendation can be completed automatically without needing human intervention at all. On the other hand, by introducing detailed information of steps in the topic and the capability information of user details, the recommended topic content is more in line with the user's needs. In addition, since random factors are introduced in the method, the problem of repeated recommendation in the same scenario can be solved, and the selection can be randomly performed according to the degree of adaptation, which not only ensures the correlation between the selection of the topic andthe degree of adaptation, but also avoids the dilemma of push-down determination under the same scenario.

The invention discloses a wheelchair brainwave control device. The device comprises a stimulus source, a brainwave signal obtaining device, a computer, a data processor and a wheelchair control circuit. The invention further discloses a wheelchair brainwave control method. The method comprises the following steps of 1, obtaining and uploading of brainwave signals, 2, calculation of brainwave frequency values; 3, judgment of control information; 4, output of the control information; 5, execution of the control information; 6, analysis and processing of next brainwave frequency values. A color flickering vision stimulator is adopted, the distinguishing rate induced by brainwave signals is increased, each color flicking block alternately flickers with two flickering frequencies, the monotony of the stimulus source is avoided, a golden section method is adopted to divide a sampling period, the effectiveness of brainwave inducing is guaranteed, a DB4 wavelet function of which the Vanishing matrix order is 4 is adopted to conduct wavelet packet decomposition on the brainwave signals, the interference information is inhibited, the accuracy of brainwave control is improved, and convenience is brought to specific disabled people.

The invention discloses a multifunctional composite material pole and tower. The pole and tower comprises a base, an anti-shake hoop, a pole and tower body, adjustment plates and supporting feet. Thepole and tower body is fixed to the center of the top of the base, the anti-shake hoop is installed on the outer side wall of the bottom of the pole and tower body, and the supporting feet are fixed to the corners of the bottom of the anti-shake hoop; a processing frame is fixed to the center of the surface of the anti-shake hoop, a single chip microcomputer is installed in the center in the processing frame, and cross arms are installed on the portion, of the surface of the pole and tower body, above a supporting disc; the adjustment plates are hinged to the portions, on the two side walls ofthe pole and tower body, above the cross arms through cross rods, electric retractable rods are installed on the portions, on the side wall of the pole and tower body, of the bottoms of the adjustment plates, and a rotation table is installed in the center of the top of the pole and tower body. According to the multifunctional composite material pole and tower, the pre-warning function of the composite material pole and tower during impact is achieved, the self-adjustment function of the inclination of a solar cell panel is achieved, and the ornamental degree of the composite material pole and tower is increased.

The invention is suitable for a television and provides a controllable display mode television when start a radio function. A screen display mode setting option is added in the Radio function menu of the television, and a user can set a screen display mode for realizing a Radio function of the television through the option, such as closing the screen or playing images. When the Radio function of the television is started, the screen is closed or the images are played according to the setting of the user. Through the technical scheme provided by the invention, the user can set the display mode of the display screen of the television according to actual demands when the user listens to Radio, the display screen can be closed when display is not required, energy sources are saved, or the stored images are sequentially displayed. The monotonicity of displaying the same static image in the prior art is avoided, and moreover, harm caused by an unchanged screen display interface to the screen can also be eliminated.

The invention discloses a flower stand, which includes a support column and a potted plant placement plate, a water storage bin is fixed on the base, a control panel is arranged on the water storage bin, a water supply pump is arranged inside the water storage bin, and the water supply pump passes through a water inlet pipe Connected with the nozzle, the top of the water storage bin is fixed with a support column, the outside of the support column is hinged to a potted plant placement plate, the top of the potted plant placement plate is provided with a filter screen, and the bottom of the filter screen is provided with absorbent cotton , two sides of the potted plant placement board are provided with two symmetrical L-shaped grooves about the vertical midline of the potted plant placement board. In the present invention, the bottom of the flower stand is provided with a water storage tank, and the water in the water storage tank can be pressed into the water inlet pipe through the water supply pump, so that it can be sprayed from the nozzle, and the potted plants can be automatically watered, and all the potted plants can be watered at one time, saving manpower , and improved work efficiency.

The invention discloses a solar driven robot dog. Intelligence and interactivity are added on the basis of the traditional toy, the monotonicity of the traditional toy is avoided, the interest of children can be more easily aroused, meanwhile, the cost reduction is also realized, light-weight materials are used for replacing traditional plastic or metal materials, certain softness is realized, the falling resistance performance is better, and inconvenience caused by too heavy weight is avoided. Four limbs adopt a mode of combining a four-foot type and a wheel type, so the solar driven robot dog has the flexibility of spanning across obstacles and also has fast moving capability. A four-foot type connected steering engine can do 180-degree rotation on two planes, and through the matching of different feet, the actions of advancing, retreating and leftward and rightward walking can be flexibly realized. A multi-sensor merging system is adopted, the advantages of low cost, high integrality, strong instruction and high speed are realized for carrying out merging processing on various kinds of information obtained by sensors and the like, the actions of owners in different intentions can be detected through one group of sensors according to different output analog signals, and the design is simplified, so the condition that the sensors are fully distributed on the whole body of a small dog due to excessive complication cannot occur. Meanwhile, the body form of the small pet is compressed as much as possible, so the solar driven robot dog is more pocket.

The invention relates to a background image embodying device of compact disc player and a method thereof, which is a background image embodying device of compact disc player and a method thereof for displaying background screen that a user prefers. The compact disc player of the invention is characterized in that the signs selected by the compact disc player of the invention are different according to individual nations/regions, and the background image of the device for displaying video has an important function on sales point. With a view to the function, the background images suited for the features of individual nations/regions are selected for displaying. When the compact disc player of the invention plays the compact disc formed by frequency, the user can play desired background image on a displaying device, thus avoiding the monotonicity caused by providing frequency only, and which is the effect provided by the invention.

The invention relates to the field of electronic technologies, and in particular relates to a realizing method of a word-guessing bonus. The realizing method comprises the following steps: entering a bonus sending interface; generating a corresponding bonus according to a received instruction; acquiring the amount of money of the bonus; typing in word-guessing characters, selecting the correct answer and the instruction for the corresponding number; sending the information to a server; acquiring the word-guessing bonus from the server; and displaying the amount of money of the bonus according to the word-guessing instruction. The word-guessing function is available, so that the defects that the entertainment is low, the user experience is low, and the form is single in the existing bonus sending mode are overcome. The invention further provides a realizing system of the word-guessing bonus.

The invention discloses an intelligent dimming and color-mixing garden lamp based on WIFI. The garden lamp comprises a lamp pole, a control cavity, a lamp source, a brightness sensor and a single chipmicrocomputer, wherein the control cavity is arranged at the bottom of the lamp pole, the single chip microcomputer is arranged in the control cavity, a memory is arranged in the control cavity at one side of the single chip microcomputer, a WIFI module is arranged in the control cavity at one side of the single chip microcomputer, a control cover plate is hinged to the inner side wall of the control cavity, a solar cell panel is fixed at the top end of the lamp pole through a support, the output end of the solar cell panel is electrically connected with the input end of a storage battery through a photovoltaic controller, a supporting plate is arranged at one end of the lamp pole, a lamp housing is arranged below the supporting plate, and the bottom end of the lamp housing is fixed withthe lamp source. The intelligent dimming and color-mixing garden lamp based on WIFI not only realizes the function of adjusting the illumination range of the garden lamp when the garden lamp is used and improves the convenience degree of the garden lamp when the garden lamp is used, but also avoids the monotonicity of the garden lamp when the garden lamp is used for lighting.

The present invention relates to a tablecloth garment multi-functional manufacturing method. The method comprises the following steps of: (1) taking one point at a diagonal line of garment piece and performing folding to divide the garment piece into two pieces, wherein the diagonal lines of the two pieces of the garment piece are mutually overlapped; (2) vertically opening a neckline at the pointalong the diagonal lines; and (3) employing a plurality of visual buttons, horn buttons or butterfly clasps for fastening between the edges of the outer sides of the two pieces of the garment piece.The tablecloth garment multi-functional manufacturing method overcomes the monotony of an industrial machinery knitting method, and saves knitting time, saves time and labor and reduces the human costcompared to a traditional manual crochet hook knitting method.

The invention discloses a high-power LED lamp with a Bluetooth mechanism. The lamp comprises a lamp housing, a fixing base, a control cavity, mosquito repelling sinking grooves and a Bluetooth module.The control cavity is formed in the center of the top of the lamp housing. A control frame is mounted in the control cavity; a single-chip microcomputer is mounted at one end of the interior of the control frame; a storage battery is fixed in the control frame on one side of the single-chip microcomputer; the Bluetooth module is mounted in the control frame on one side of a timer; an LED lamp body is fixed to the center of the bottom of the lamp housing; the input end of the LED lamp body is electrically connected with the output end of a storage battery; a conical lampshade is fixed to the bottom of the lamp housing on the outer side of the LED lamp body; refraction plates are fixed to the two ends of the inner side wall of the conical lampshade; and the mosquito repelling sinking grooves are formed in the conical lampshade at the two sides of the refraction plates. The timing flashing function of the LED lamp is achieved, the automatic mosquito repelling function of the LED lamp isachieved, and the condensation protection function of the LED lamp is achieved.