50results about How to "Fulfill functional requirements" patented technology

The invention discloses a tramcar hydraulic braking electronic control device, a braking anti-skid control module and a braking anti-skid control method. The braking anti-skid control method comprisesthe following steps: a train load M is obtained; a deceleration target value atarget- is obtained according to a train braking level; a braking force target value Ftarget is calculated, a pressure target value Ptarget of a brake cylinder is calculated, a pressure feedback value Pfeedback of the brake cylinder is obtained, and a pressure target error value delta P is calculated; a valve PWM targetcontrol signal for controlling a hydraulic valve is obtained according to the pressure target error value delta P; a shaft speed signal Vaxis is obtained, and an anti-skid coefficient Q is calculated; and a valve PWM final control signal is obtained according to the anti-skid coefficient Q and the valve PWM target control signal to drive the hydraulic valve to adjust the pressure of the brake cylinder for braking and anti-skid control. The tramcar hydraulic braking electronic control device, the braking anti-skid control module and the braking anti-skid control method have the advantages thatbraking control and anti-skid control are integrated on one module, and accurate braking and anti-skid adjustment can be achieved by setting the anti-skid coefficient Q.

The invention provides a computing device extension system for an SOC. The computing device extension system comprises the SOC, a programmable device which is connected with the SOC through a first bus and an off-chip memory which is connected with the programmable device through a second bus, wherein the SOC comprises a shared controller which arbitrates access requests of the SOC and the programmable device for the off-chip memory, so that data sharing between the SOC and the programmable device is achieved through the off-chip memory. According to the computing device extension system, both the generality and the economical efficiency of products are considered, and the mutability of system functional requirements can be met to the maximum extent.

The invention relates to the technical field of automobile navigation. An automobile navigation interface designing tool based on an SGE graphic base comprises an interface editing area for page visualization editing, control members and control member attribute frames conducting attribute design of each control member element, a page element manger managing and controlling page control member elements via a tree-like structure and an output unit generating a binary system page file in either a simplified Chinese, Traditional Chinese or English for the page. Deficiencies of low HMI designing efficiency of the current navigation industry software can be overcome; the designing tool is advantageous in that page design can be quickly achieved; page elements can be accurately positioned in a visualized way and designed; powerful support is provided for complicate page design of a navigator; data, pages and logic can be effectively separated; and multi-lingual localization can be supported.

The invention discloses a bamboo bowl, which has a simple processing method and high product strength and is difficult to deform. The bamboo bowl comprises a bowl wall (1) and a bowl bottom (2) to which the bowl wall (1) is glued, and is characterized in that: the bowl wall (1) is a laminated layer of rings which are processed from a bamboo peeled veneer plywood; and the bowl bottom (2) is the laminated layer of the rings which are processed from the bamboo peeled veneer plywood, or is formed by coiling the bamboo peeled veneer plywood into a coiled material. The production method of the bamboo bowl comprises the following steps of: preparing the bamboo peeled veneer plywood; preparing a blank; assembling the blank; and treating a surface. Constituent combination in different fiber directions are performed by peeling bamboo into veneers, a grain composition with incomparable natural material grains is created on a finished product, and the bamboo bowl has high manufacturability, a high appreciation property and a high bamboo utilization ratio; simultaneously, the transverse tensile strength and the longitudinal tensile strength of the product are complemented to each other; in addition, the bamboo belongs to green fast-growing resources, and the product is environment-friendly, so that the aims of saving resources and protecting the environment are fulfilled.

The invention relates to a bionic intervertebral fusion cage comprising a fusion cage body; the features are that the fusion cage body comprises an upper portion (5), a middle portion (6) and a lower portion (7); the top end face of the upper portion (5) and the bottom end face of the lower portion (7) are in a convex arced surface; two opposite side faces of the middle portion (6) are provided with a plurality of rows of through holes (8) arranged in a staggering manner; the upper portion (5) and the lower portion (7) are made of porous metal material; the bionic intervertebral fusion cage is concise in structure, stable in connection, proper in elastic modulus, and has certain toughness.

The invention discloses a bamboo bowl which is simple in processing method and hard to deform. The bamboo bowl is characterized in that: the bamboo bowl is formed by spirally winding and gluing bamboo sheets (1) according to the bowl shape from the bottom of the bowl; the bamboo sheet (1) is 5-20 mm wide and 90.8-2.0 mm thick. The production method comprises the following steps of: (1) preparing the bamboo sheets (1); assembling; and processing the surface. The invention combines different fiber directions by rotatably cutting the bamboo material into veneers; the produced product creates an incomparable texture composition to a natural material texture, which has manufacturability and appreciative performance; the bamboo material has high utilization rate; simultaneously, the method overcomes the defect of weak transversal tensile strength of the bamboo material through the combination of different fiber directions so that the transversal tensile strength and the longitudinal tensile strength are compensate, thereby realizing the balance of mechanical performances, and realizing the use function requirement of the products; in addition, the bamboo material is a green regenerating resource, the product is green and environment-friendly, which saves resource and protects the environment.

The invention relates to a pilot frequency networking communication design method and a pilot frequency networking communication control center platform based on an ultra-short wave radio set. Ordered and effective communication of the ultra-short wave radio set under a pilot frequency networking state through the pilot frequency networking communication design method and the pilot frequency networking communication control center platform based on the ultra-short wave radio set. The pilot frequency networking communication design method based on the ultra-short wave radio set provided by the invention comprises the steps of network structure division of pilot frequency networking, working mode planning, time slot allocation, networking process, network maintenance method and work category planning; the pilot frequency networking communication control center platform based on the ultra-short wave radio set provided by the invention adopts a modular design, the connection relationship between two communication controllers and the base station is determined so as to simply establish a network structure, and the correspondence of pilot frequency networking functions and platform modules is emphasized.

The invention discloses a bamboo bowl which has a simple processing method and high product strength, and is difficult to deform. The bamboo bowl comprises a bowl wall (1) and a bowl bottom (2), wherein the bowl wall (1) is adhered to the bowl bottom (2). The bamboo bowl is characterized in that: the bowl wall (1) is a laminated layer of circular rings processed by bamboo rotary cut veneer plywood; and the bowl bottom (2) is formed by processing a laminated layer of circular boards processed by the bamboo rotary cut veneer plywood or coiled materials formed by winding the bamboo rotary cut veneer plywood. A production method for the bamboo bowl comprises the following steps of: preparing the bamboo rotary cut veneer plywood; making blanks; assembling; and performing surface treatment. In the production method, by forming combinations of the bamboo rotary cut veneer plywood in different fiber directions, compared with the textures of natural materials, the produced products have incomparable textures and have high manufacturability and appreciation, and the utilization rate of bamboos is high; simultaneously, the tensile strength of the products in the traverse and longitudinal directions is complementary; moreover, bamboo wood is a green fast-growing resource and the products are environmentally-friendly, so the aims of saving resources and protecting environment are fulfilled.

The invention discloses a cycloid silk feeding device for a glass fiber gypsum board production line and relates to glass fiber gypsum board production equipment. By using the device, a glass fiber tow can be kept synchronously running with the gypsum board production line; adding of glass fiber tows in different states is achieved by adjusting speed so that production of gypsum boards in different strength and function requirements can be achieved; glass fiber yarn coils are vertically installed, the coil diameter is small, but the tow reaches a length of thousands of kilometers, is in multi-station alternate use, and can be conveniently subjected to position interchanging, and yarn coil replacing is convenient; after jetting and blowing, the tow can be scattered into single silks, and the state of the single silks is adjustable according to the air speed; a silk feeding flat nozzle can swing up and down in terms of position or performs singular direction silk feeding, so that different production requirements can be met; silks for use are saved, the silk feeding speed and the silk feeding angle positions are adjusted according to the strength requirement, for example, straight line, curved line or superimposed curved line silk feeding is performed, so that glass fiber grids in different states can be formed and added into gypsum board material slurry, the production cost is reduced, the product quality is improved, and the cycloid silk feeding device for the glass fiber gypsum board production line is suitable for high speed production of a gypsum board large line with v equal to 60-120 m/min.

The invention provides a modular intelligent fusion terminal and module interface matching method based on analog bus communication. The invention also provides a modular intelligent fusion terminal and a user module based on the method. The user module is inserted into any universal interface of the modular intelligent fusion terminal; and the modular intelligent fusion terminal performs voltagedetection on each universal interface in real time, searches the user module feature configuration table according to the voltage detection value of each universal interface, acquires each user modulefeature, and inputs the universal interface number and the corresponding user module feature into the universal interface IO mapping table to complete matching. When the method is applied, automaticidentification of various bus and various equipment type combinations can be realized, and then the corresponding sub-functions are started so that the functional requirements of users are met; and any user module can be inserted into any slot so that the user module is convenient to expand and operate.

The invention provides a mechanical product welding database system. The system comprises a data access layer, a business logic layer, a representation layer and a plurality of data regions in which various information associated with product information is stored, wherein the data regions include a first data region used for storing supplier information of electronic devices, a second data region used for storing package type information of the electronic devices, and a third data region used for storing welding surface information of electronic device pins.

The invention provides a small-size long-focus large-caliber continuous zooming optical structure, which comprises an all-reflective afocal optical system, a transmission type continuous zooming optical system and a focal plane, wherein the all-reflective afocal optical system comprises a main reflecting mirror and a sub reflecting mirror; the focus of the sub reflecting mirror is overlapped with the focus point of the main reflecting mirror; the main reflecting mirror is used for receiving light energy reflected by a target object; the sub reflecting mirror is arranged on a reflecting light path of the main reflecting mirror; the transmission type continuous zooming optical system is arranged on an emitting light path of the sub reflecting mirror; the focus plane is positioned on the focus surface. The incident light beam is subjected to caliber compression by using a prepositive afocal optical system; the continuous zooming function is provided through a subsequent continuous zooming transmission system assembly; the two systems are combined, so that the prepositive afocal optical system amplifies the focal length of the subsequent continuous zooming transmission system assembly; the function requirements of long focus length and great caliber of the whole system are met.

The invention is applicable to the technical field of robots, and provides a robot arm. The robot arm comprises a steering engine shell, a PCB, a motor, a planetary gear transmission system, and a plurality of claw hooks, wherein the PCB, the motor and the planetary gear transmission system are sequentially installed in the steering engine shell from top to bottom, and the claw hooks are rotationally connected to the steering engine shell; the motor is electrically connected with the PCB; the input end of the planetary gear transmission system is connected with an output shaft of the motor, the output end of the planetary gear transmission system is provided with a helical gear shaft and a plurality of transmission helical gears meshed with the helical gear shaft and the claw hooks, and the transmission helical gears are in one-to-one correspondence with the claw hooks; and one ends of the claw hooks are rotationally connected to the steering engine shell and are used for carrying outopening and closing motions under the driving of the transmission helical gears. The robot arm is used for intelligence products like building blocks; and according to the robot arm, an opening and closing function of a three-jaw mechanism is realized in a manner of combining planetary gear transmission and cam transmission, so that structure is compact, and function requirements are achieved.

The invention relates to a large-span column-free underground tunnel structure and method based on advance pilot tunnels and opposite-pulling anchor cables. The large-span column-free underground tunnel structure comprises an underground tunnel, a plurality of advance pilot tunnels and a plurality of opposite-pulling anchor cables. Wherein the section of the underground tunnel is in a multi-arch mode, the leading pilot tunnels extend in the longitudinal axis direction of the underground tunnel, and the multiple leading pilot tunnels are arranged above the tunnel top of the underground tunnel in a transverse parallel arrangement mode; the leading pilot tunnels are connected with the intersection of at least one adjacent tunnel span in the multi-arch structure of the underground tunnel through a plurality of opposite-pulling anchor cables. According to the large-span column-free underground tunnel structure, the large-span column-free space effect of an underground tunnel is achieved through the advance pilot tunnels and the opposite-pull anchor cables, in the construction process, safe and efficient construction is achieved through the construction steps of advance excavation of the advance pilot tunnels, step-by-step blasting of rock mass of all the tunnel spans and step-by-step driving of the opposite-pull anchor cables in sequence, and the construction efficiency is improved. And the span of the underground tunnel can reach more than 30m.