298results about How to "Improve fitting ability" patented technology

The invention relates to an external skeleton robot, in particular to a human-simulated external skeleton robot assisting the lower limbs. The human-simulated external skeleton robot assisting the lower limbs aims to solve the problems that an existing external skeleton robot is low in coupling degree of motion space and poor in wearing comfort, reliability and adaptation, and power needed by a motor is large. The human-simulated external skeleton robot assisting the lower limbs comprises an upper body back part, a left leg and a right leg. The left leg and the right leg respectively comprise a hip drive system, a knee drive system and a foot wearing system. A rear side connection board of the waist is in rotating connection with a load installation board. Each hip joint supporting board is provided with a first motor and a first reducer, wherein the first motor is provided with an encoder, and the output end of the first motor provided with the encoder is connected with the input end of the first reducer. Each hip joint connecting board can rotate in the vertical plane. Each thigh stretching board is in detachable connection with the corresponding hip joint connecting board. The output end of a main drive mechanism is connected with each crus connecting board. The lower surfaces of elastic boards are bonded with the upper surfaces of the rubber soles of the feet. The human-simulated external skeleton robot assisting the lower limbs can assist in walking.

The present invention relates to the upper U of an athletic shoe comprising a first opening 1 out of which the foot sticks upwards during wearing and a second opening 2 which is closed with a tongue. The two openings 1, 2 are continuous with each other, and the upper U comprises a medial side stretchable part 51 which covers a part of a medial side face of an arch of the foot, a lateral side stretchable part 50 which covers a part of a lateral side face of a ball of a little toe (a fifth toe), a front part 3 located forward of the two stretchable parts 50, 51 and a rear part 4 located backward of the two stretchable parts. Each of the stretchable parts 50, 51 is provided so as to essentially cross one of side faces of the upper U from a top surface of a sole S to the second opening 2. Young's modulus along the lengthwise direction L of the foot of each of the stretchable parts 50, 51 is set smaller than that of the front part 3 and the rear part 4.

[Problems] To prevent a hip cover portion of a back-side outer sheet from swelling and curling

[Means for Solving Problems] In an underpants type disposable diaper, a ventral-side outer sheet 12F and a back-side outer sheet 12B are not connected but separated at a crotch portion, the back-side outer sheet 12F has a main unit section 13 that corresponds to joined sections 12A in an up-down direction and a back-side extension section 14 that extends below the back-side main unit section 13, the ventral-side outer sheet 12F is composed of only a ventral-side main unit section that corresponds to the joined sections 12A in the up-down direction, the back-side extension section 14 has a central portion 14M in the width direction overlapping the absorber 20 and hip cover portions 14C extending on both sides of the central portion 14M, in the back-side main unit section 13, first elongated resilient and elastic members 15 are fixed in a state of being extended in the width direction at a predetermined extension ratio; second elongated resilient and elastic members 16 are fixed to the hip cover portions 14C in a state of being extended in the width direction at a predetermined extension ratio, fourth elongated resilient and elastic members having high contracting forces are fixed to the lower end portion of the ventral-side outer sheet 12F in a state of being extended in the width direction so that the contraction forces are balanced between the ventral side and back side at the lower ends of the joined section 12A.

An earpiece including a tubular core portion attached to an end of an electro-acoustic transducer and extending in an acoustic wave output direction, and an external auditory canal fitting portion disposed outside the core portion to cover an end surface of the core portion and having lower hardness than the core portion is provided. This maintains appropriate flexibility of the external auditory canal fitting portion covering the end surface of the core portion and forms the core portion with appropriate hardness. This eliminates sound quality degradation due to the core portion deformation, earpiece detachment and contact of the core portion with the external auditory canal. Consequently, this improves fitting properties with the external auditory canal and attachment properties with the electro-acoustic transducer. The earpiece which improves fitting properties with the external auditory canal and attachment properties with the electro-acoustic transducer, and the electro-acoustic transducer including the same are thereby provided.

A sports shoe has a sole S absorbing a shock of landing, an upper U covering an instep of a foot, and a fastening member 3 fitting the upper U to the instep of the foot. The upper U has a first opening 1 from which a leg extends upwardly during wearing and a second opening 2 which is closed with a tongue, and the first and second openings 1, 2 are continuous with each other in a front-rear direction, the upper comprises a medial side portion 7 covering a medial side surface of the foot, a lateral side portion 8 covering a lateral side surface of the foot, and stretchable portions 71, 81 forming a part of the medial side portion 7 and/or the lateral side portion 8, and the second opening 2 inclines toward the medial side of the foot along a ridge line of the foot as the second opening extends toward a front of the foot.

The invention discloses a lightweight fine-grained image recognition method for cross-layer feature interaction in a weak supervision scene, and the method comprises the steps: constructing a novel residual module through employing multi-layer aggregation grouping convolution to replace conventional convolution, and enabling the novel residual module to be directly embedded into a deep residual network frame, thereby achieving the lightweight of a basic network; then, performing modeling on the interaction between the features by calculating efficient low-rank approximate polynomial kernel pooling, compressing the feature description vector dimension, reducing the storage occupation and calculation cost of a classification full-connection layer, meanwhile, the pooling scheme enables the linear classifier to have the discrimination capability equivalent to that of a high-order polynomial kernel classifier, and the recognition precision is remarkably improved; and finally, using a cross-layer feature interaction network framework to combine the feature diversity, the feature learning and expression ability is enhanced, and the overfitting risk is reduced. The comprehensive performance of the lightweight fine-grained image recognition method based on cross-layer feature interaction in the weak supervision scene in the three aspects of recognition accuracy, calculation complexity and technical feasibility is at the current leading level.

The invention provides a behavior recognition system and method based on a multi-convolution kernel residual error network, a medium and equipment, and the method comprises the steps: collecting the motion physiological data or environment state data of a user, and sequentially carrying out the transmission, preprocessing and marking of the collected data to obtain a training set and a test set; constructing a behavior recognition model based on the multi-convolution kernel residual error network; classifying the training samples according to the prediction error of the training set and carrying out self-adaptive weight distribution on each class; calculating an overall loss function and partial derivatives of each parameter of the model, iteratively updating the model parameters to obtaina trained recognition model, testing by using the test set, storing the model parameters reaching the test standard, and generating a final deep learning model; inputting to-be-recognized data into the deep learning model to obtain a user behavior recognition result. According to the invention, multi-scale data features can be effectively utilized.

The invention discloses a tread contour fitting method capable of automatically extracting segmentation points, which comprises the steps of installing laser displacement sensors inside and outside a track according to a mirror symmetry mode; acquiring coordinate data of tread detection points, and converting the coordinate data of each laser displacement sensor into a coordinate system of a vertical plane parallel to the track direction; integrating the converted coordinate data corresponding to the two laser displacement sensors into the same coordinate; performing feature point extraction; determining initial segmentation intervals according to extracted feature points; performing curve fitting according to the initial segmentation intervals, and solving a fitting determination coefficient; comparing the fitting determination coefficient with a preset curve fitting determination coefficient threshold, and determining accurate segmentation points; and determining fitting intervals according to the accurate segmentation points, and performing curve fitting on each interval respectively so as to acquire a complete tread contour. The tread contour fitting method has the characteristics of automatic extraction, high fitting accuracy and high fitting speed.

The invention relates to an image prediction method based on a multi-layer convolution long-short-term memory neural network, and the method comprises the steps: extracting the change features of an inputted sequence image through a multi-layer convolution long-short-term memory neural network module, and extracting more abstract features through the deepening of single-layer convolution, therebyimproving the expression capability. In the prediction process, the extracted change features are utilized to predict a next image. The predicted image is input back to the prediction module again, sothat a next image is obtained. A single-layer convolution long-short-term memory neural network of an original method is poor in capability of extracting change features of sequence images, and showsthat structural details of the images output during prediction are fuzzy. According to the method, by deepening the convolution layer, more accurate change features are extracted, and the problem ofstructural detail blurring of the predicted image is obviously improved.

A cylindrical sliding bearing having a cylindrical steel back metal, and a bearing alloy layer, serving as a sliding surface, on the inside of the steel back metal is provided. The cylindrical sliding bearing further have a coat layer of Bi or a Bi-based alloy formed on the outer back surface of the steel back metal. Preferably, the coat layer is made from the Bi-based alloy of 1 to 30 mass % of one or more kinds of Sn, Pb, In, Ag and Cu; and the balance being Bi and inevitable impurities.

The invention provides a simulation generation method for wind speed data of multiple wind power farms. The method includes the steps that according to historical data of wind speeds of the multiple wind power farms, delay time among the wind speeds is determined; a model for the wind speeds of the multiple wind power farms is constructed through a Copula function theory, and the constructing step includes the substeps that marginal distribution of all the wind speeds is determined, the suitable Copula function model is selected, model parameters are estimated, and the model is evaluated; the wind speeds of the multiple wind power farms are generated according to the constructed Copula function model; the wind speeds generated in a simulation mode are reconstructed and adjusted in the aspect of the time sequence through a stochastic differential equation and a delay relation. The simulation generation method for the wind speed data of the multiple wind power farms can meet fluctuation characteristics of the respective wind speeds of the wind power farms and the cross correlation among the wind speeds of the multiple wind power farms.

The invention discloses a wind speed prediction method and prediction system. The prediction method comprises the following steps: acquiring an original wind speed sequence; performing empirical modedecomposition on the wind speed sequence, and obtaining a plurality of inherent modal functions and residual items; classifying all inherent modal functions according to the instantaneous frequency mean value of each inherent modal function, obtaining a plurality of high-frequency modal functions and a plurality of low-frequency modal functions; training the least square support vector machine byadopting the training sample data of each high-frequency modal function to obtain a high-frequency prediction model; training a BP neural network through the training sample data of each low-frequencymode function to obtain a low-frequency prediction model; training the BP neural network through the training sample data of the residual items to obtain a residual prediction model; predicting the wind speed by utilizing all the high-frequency prediction models, the low-frequency prediction models and the residual prediction models. A prediction model is built on the basis of fluctuation characteristics of different components, the random fluctuation of the wind speed sequence can be effectively weakened, and the wind speed can be accurately predicted.

The invention discloses an equivalent circuit model for a schottky diode, which comprises a single-body part model of the schottky diode, as well as parasitic resistor and parasitic inductance parts which are serially connected with the single-body part of the schottky diode. Two port parts of the model are in parallel connected with a parasitic PN junction structure and a parasitic silicon substrate structure respectively. The model integrally comprises the influence of various parts related to a physical structure of the schottky diode on electrical characteristics of direct current and high frequency of the schottky diode, so the model can be directly used for circuit simulation of direct current and high frequency of the schottky diode, and can be conveniently used for stimulating the electrical characteristics of direct current and high frequency of the schottky diode. The invention also provides a test flow and a parameter extraction method based on the model, which can largely improve the extraction efficiency of parameters of an equivalent circuit electrical model of the schottky diode and the fitting effect of the model on electrical characteristics of devices.