242 results about "Cross point" patented technology

The invention discloses a method and a system for measuring the distance between cross positions of carrier cables of a rail contact network based on machine vision, and relates to the technical field of measurement of the distance between the cross positions of the carrier cables of the rail contact network. A laser radar and an infrared sensor are used for collecting depth information and temperature distribution data, and a multi-view image and depth temperature data are obtained; collecting the multi-view image and the depth temperature data to a central processing unit through a high-speed data transmission channel to obtain an initial data set; preprocessing the initial data set to obtain a high-quality data set; based on a deep learning algorithm and the high-quality data set, constructing a prediction model of the carrier cable and the intersection point, inputting sample data in the high-quality data set, and outputting prediction results of the carrier cable and the intersection point; and based on prediction results of the carrier cables and the intersection points, three-dimensional model reconstruction is carried out on the intersection positions of the carrier cables in combination with stereoscopic vision and structured light technologies.

The embodiment of the invention discloses a steel bar binding point panoramic recognition method and system and electronic equipment. The method comprises the following steps: acquiring a video stream shot by an industrial camera mounted on a portal frame under a moving condition to extract images and obtain a plurality of camera view images; fusing and splicing the plurality of camera view images to obtain a scene panoramic image; performing cross intersection detection on the scene panoramic image to obtain intersection information; wherein the cross point information comprises a target frame of a bound cross point and a target frame of an unbound cross point; and the cross point information is sent to a binding mechanical arm, so that the binding mechanical arm determines the coordinates of the cross cross points which are not bound, and binding is carried out. By implementing the method provided by the embodiment of the invention, the panoramic view angle image of steel bar binding can be identified, so that all binding points can be effectively identified and detected, and potential safety risks are avoided.

According to some aspects of the disclosure, a crossbar circuit may include a plurality of bit lines intersecting with a plurality of word lines, a plurality of cross-point devices, and a plurality of switches connected to the plurality of word lines. Each of the plurality of cross-point devices is connected to at least one of the word lines and at least one of bit lines and may include a resistive random-access memory (RRAM) device. Each of the switches is selectively connected to ground or a reference voltage. A digital input may be provided to a cross-point device of the crossbar circuit by selectively connecting a word line connected to the cross-point device to ground or the reference voltage.

The invention discloses a support deformation monitoring method combining cross laser and laser speckles, which comprises the following steps: selecting a monitoring point on the surface of a support, and projecting the cross laser and the laser speckles to the monitoring point, so that the cross point of the cross laser and the laser speckles are aligned with the center of the monitoring point; aligning the camera to the monitoring point, so that an included angle theta is formed between the shooting direction of the camera and the direction of projecting the cross laser; carrying out calibration setting and parameter setting on the camera to obtain a set camera; under different load working conditions of the bracket, controlling the camera to collect images of the monitoring points at regular time; wherein the blue speckle pattern is collected by a blue channel, and the red structured light pattern is collected by a red channel; processing and strain calculation are carried out on the collected images to obtain in-plane and out-of-plane displacement fields and strain fields of the support at different moments; according to the invention, high-precision, dynamic and more comprehensive multi-dimensional deformation monitoring of support structures can be realized.

The embodiment of the invention provides a cross-type movable antenna array, a communication system, a communication parameter optimization method and related equipment. The cross-type movable antenna array comprises a plurality of mutually parallel first sliding rails, a plurality of mutually parallel second sliding rails, at least one antenna unit and driving control equipment, the first sliding track and the second sliding track intersect to form a two-dimensional plane grid structure, and an antenna unit is arranged on the intersection point of the first sliding track and the second sliding track; when the driving control device receives the driving request of the target position, the driving control device is used for controlling the first sliding track and / or the second sliding track to slide and driving the plurality of antenna units to move to the target position, so that the hardware cost, the energy consumption and the maintenance difficulty of the movable antenna array are greatly reduced.

Systems and methods include an optical switch system which provides a combination of μLED arrays, PDs, imaging fiber cables, and crosspoint switch on a single chip. The system includes one or more input ports with each input port configured to connect to an input fiber bundle. The system additionally includes one or more output ports with each output port configured to connect to an output fiber cable, wherein each of the input fiber bundle and the output fiber cable include a plurality of fiber cores. An electrical crosspoint switch is connected to the one or more input ports and the one or more output ports, wherein the electrical crosspoint switch is configured to connect a given input port to a corresponding output port, including all signals in the input fiber cable to the corresponding output fiber cable.

Methods for programming crossbar circuits are provided. The methods include initializing a word line voltage, a bit line voltage, and a select voltage applied to a cross-point device of the crossbar circuit. The methods further include raising the word line voltage without changing the bit line voltage. The bit line voltage may be raised without changing the word line voltage applied to the cross-point device. The word line voltage and the bit line voltage may be alternatively changed until they reach their respective desired values. In some embodiments, the methods further include setting the bit line voltage to a predetermined value and raising the word line voltage without changing the select voltage. The select voltage may then be raised without changing the word line voltage applied to the cross-point device. The word line voltage and the select voltage may be alternatively changed until they reach their respective desired values.

The embodiment of the invention discloses a batch full-automatic binding control system and a method thereof. The system is characterized in that a control unit calculates the placement position of a reinforcing steel bar by constructing a coordinate system with the upper left corner of a platform as the original point, the ground plane as the horizontal plane, the x-axis parallel to a portal frame, the y-axis perpendicular to the portal frame and the z-axis perpendicular to the ground; and the fixing groove system provides a groove position for fixing the transverse bar according to the calculated placing position. The grabbing sensing subsystem identifies the reinforcing steel bars and determines the three-dimensional coordinates of the reinforcing steel bars; the grabbing subsystem sequentially grabs all the transverse ribs and places the transverse ribs in the groove positions, and then grabs the vertical ribs and places the vertical ribs in the designated positions. The binding sensing subsystem identifies the cross knot and determines the position of the cross knot after the vertical rib is placed each time; and the binding subsystem binds the reinforcing steel bars according to the position of the cross knot and the coordinates of the cross point. By means of the system, full-automatic steel bar grabbing and binding and finished product moving can be achieved, and the steel bar binding efficiency and precision are improved.

An ovonic memory element includes a first electrode, a second electrode, and an ovonic threshold switching material portion located between the first electrode and the second electrode. A first surface of the ovonic threshold switching material portion facing the first electrode is wider than an opposing second surface of the ovonic threshold switching material portion facing the second electrode.

A computing device for performing a digital pulse-based crossbar operation and a method of operating the computing device. The computing device includes a plurality of input lines to which a pulse is selectively input in a sequential manner based on a corresponding input signal; a plurality of output lines crossing the input lines; a plurality of elements, each element being disposed at a cross point between a corresponding input line and a corresponding output line to transfer, to the corresponding output line, a pulse input to the corresponding input line in response to a corresponding weight being a first value; and a plurality of pulse counters, each pulse counter counting a number of pulses output from a corresponding output line.

The invention relates to the technical field of visual sensing modules, and discloses a sensing-storage-calculation integrated bionic visual sensing module in-storage calculation method and system.The method comprises the steps that photo-induced electrons excited by incident photons are directly injected into memristor oxygen vacancy conductive filaments through a shared electrode interface, and photocurrent driving signals are obtained; in a forward SET mode, driving memristor oxygen vacancy conductive filaments to form cross array conductivity distribution, and calculating row line driving voltage of a memristor cross array; applying the current to each cross point of cross array conductance distribution in a reverse RESET mode to obtain a flowing current of each cross point; and converging and summing the flowing current of each cross point at a column line node to obtain a column line output current, performing capacitor charging integration on the column line output current, and converting the column line output current into an analog domain convolution operation voltage, thereby avoiding intermediate multiple analog-to-digital and digital-to-analog conversion loss. And end-to-end low-delay and low-power-consumption processing from photon sensing to feature calculation is realized.

The invention discloses a medical surgical robot pre-collision detection method, system and device and a storage medium. According to the method, the position and the speed of the robot end effector and the relative position of the robot end effector and the object can be calculated in real time, and whether the motion path of the robot can intersect with objects in the environment, especially a patient or not can be predicted. If a potential intersection is detected, the system may adjust the motion of the robot in advance, avoiding any direct contact with the human body or other sensitive object. The detection method and system are particularly suitable for a medical environment, the operation safety is improved, and the surgical fineness and efficiency can be kept.

A non-volatile memory having a 3D cross-point architecture and twice the cell density is provided in which vertically stacked word lines run in plane (i.e., parallel) to the substrate and bit lines ru

A non-volatile memory having a 3D cross point architecture and double cell density is provided in which vertically stacked word lines extend coplanar (i.e., parallel) with the substrate, and bit lines extend perpendicular to the vertically stacked word lines. The vertically stacked word lines are in a patterned stack of dielectric material that includes alternating first layers of dielectric material and recessed second layers of dielectric material. A first dielectric material layer vertically separates each word line within each vertical stack of word lines, and a recessed second dielectric material layer is positioned laterally adjacent to the word lines. The dielectric switch material layer is located between each word line-bit line combination. Some of the bit lines are in the dielectric material stack, and some of the bit lines are in the interlayer dielectric material layer.

The present disclosure provides read-out circuits for crossbar circuits. A crossbar circuit may include a plurality of bit lines intersecting with a plurality of word lines and a plurality of cross-point devices. Each of the plurality of cross-point devices is connected to at least one of the plurality of word lines and at least one of the plurality of bit lines. The crossbar circuit may further include an output sensor that generates a digital output representative of a sum of currents flowing through one or more bit lines of the crossbar circuit. The output sensor includes a first transistor serially connected to a second transistor and an analog-to-digital converter configured to output the digital output. The read-out circuit is an open loop circuit. The read-out circuit may be selectively connected to one of the plurality of bit lines to perform a read operation.

An apparatus may include a plurality of bit lines, a plurality of word lines, a plurality of source lines, and a plurality of cross-point devices connecting to the bit lines, the word lines, and the source lines. A first cross-point device of the plurality of cross-point devices is connected to a first bit line and a second bit line of the plurality of bit lines, a first word line of the plurality of word lines, and a first source line of the plurality of source lines. The first cross-point device may include a first RRAM device, an NMOS transistor connected to the first RRAM device, a PMOS transistor connected to the NMOS transistor, and a second RRAM device connected to the PMOS transistor. The NMOS transistor and the PMOS transistor are connected to the first source line and can be arranged in a side-by-side structure or a stacked-up structure.

Technology for reading memory cells in a cross-point memory array. Each memory cell may have a threshold switching selector in series with a programmable resistance memory element. The memory system has control circuitry adjacent to the cross-bar memory array that is used to generate and deliver currents to the cross-bar memory array. The memory system temporarily provides capacitive isolation of the selected memory cell from capacitance of the adjacent circuitry while the snapback current is present. The memory system provides a discharge path to a node between the control circuitry and the selected memory cell during a period in which the capacitive isolation is removed.

An IC device includes first and second transistors and a memory device. The first transistor includes a first source / drain (S / D) terminal coupled to a first select line, a second S / D terminal, and a gate coupled to a first word line. The second transistor includes a first S / D terminal coupled to a first bit line, a second S / D terminal, and a gate. The memory device is coupled to the second S / D terminal of the second transistor, and a first storage node includes the second S / D terminal of the first transistor and the gate of the second transistor.

The architecture for three-dimensional cross-point memory cells includes layers of multiple planar and parallel bit slice regions, each of the bit slice regions including bit lines extending in a bit line direction. The architecture also includes a decoder to which the bit slice regions are electrically connected through contacts. Each bit slice region layer has a slice ratio per decoder, which is defined as the ratio of the number of bit slice regions in the layer to the number of many decoders to which at least one of the slice regions in the layer is electrically connected. At least one of the bit slice region layers has a different slice ratio per decoder greater than 1:1.

The present disclosure provides for crossbar circuits with minimized write disturbance. A crossbar circuit may include a plurality of bit lines intersecting with a plurality of word lines, a plurality of select lines, a plurality of cross-point devices, and a ramp-rate adjustable DAC that comprises a control circuit and an operational amplifier. An input of the operational amplifier is connected to a capacitor. The control circuit may generate, based on a digital input, a control signal. To program a cross-point device of the crossbar circuit, the capacitor may be charged using a reference current. As the charging rate of the capacitor is limited by the reference current, and the charging duration is controlled by the control signal, thus the output of the operational amplifier corresponds to the digital input and may be applied to the cross-point device as a programming signal with limited slew-rate adjustable by the reference current.

The utility model discloses a Mark point structure, which adopts at least two rectangular parts which are arranged in a crossed manner to form a bonding pad area, and compared with a traditional circular structure, the composite geometric shape of the bonding pad area can provide higher feature vector dimension in a machine vision system, the HOG feature value is improved by at least 30%, the algorithm identification accuracy is greatly improved, and the reliability of the structure is improved. Especially in a high-density BGA packaging area, the positioning precision of the center coordinates of the cross points can reach + / -0.01 mm, the identification degree of the Mark points on the PCB is greatly improved, and the problem that the Mark points are difficult to distinguish due to the low identification degree is effectively solved.

The invention discloses a low-disturbance self-recovery operation method for a cross-point array ferroelectric memory, which is used for operating a cross-point array ferroelectric memory array, comprises four continuous pulse periods, and sequentially realizes selected memory unit activation, data reading, data recovery and reset operation. By using the low-disturbance self-recovery operation method provided by the invention, the voltage pulse disturbance suffered by unselected units in the operation process of the cross-point array ferroelectric capacitance memory can be reduced, and meanwhile, the function of automatically recovering the data of the ferroelectric capacitance memory is realized. According to the method, smaller read-write disturbance can be realized, the bit error rate is lower, and the access speed is higher.

The utility model relates to the technical field of bridge engineering, in particular to an arch foot node of a tied-arch bridge. Comprising an arch rib section, a straining beam section, a support stiffener, an arc transition plate, a node solid section and a cross beam section. A casting part form is adopted, the quality is controllable, and welding with other plates is easy; the arch rib section and the straining beam section are hollow except for the cross points, only external stiffening is reserved, and machining is convenient; solid casting is conducted at the junction of the arch rib tie beam and the cross beam, force transmission is optimized, and local stress safety of components is guaranteed; the support stiffeners are arranged according to the actual position of the cross beam section, and support vertical stress is dispersed; an arc transition plate is additionally arranged between the arch rib section and the straining beam section, a chamfer is additionally arranged at the joint of a top plate of the cross beam section and the straining beam section, and local stress concentration is avoided; grooves are additionally formed in the ends, connected with other components in a welded mode, of the arch rib section, the straining beam section and the cross beam section, and welding plate thickness transition is facilitated. The structure is simple, and the problem of stress concentration can be solved.

An apparatus may include a plurality of bit lines, a plurality of word lines, a plurality of source lines, and a plurality of cross-point devices connecting to the bit lines, the word lines, and the source lines. A first cross-point device of the plurality of cross-point devices is connected to a first bit line and a second bit line of the plurality of bit lines, a first word line of the plurality of word lines, and a first source line of the plurality of source lines. The first cross-point device may include a first RRAM device, an NMOS transistor connected to the first RRAM device, a PMOS transistor connected to the NMOS transistor, and a second RRAM device connected to the PMOS transistor. The NMOS transistor and the PMOS transistor are connected to the first source line and can be arranged in a side-by-side structure or a stacked-up structure.

A memory device includes an ovonic memory element. The ovonic memory element contains a first electrode, a second electrode, and an ovonic threshold switching material portion located between the first electrode and the second electrode. A first surface of the first electrode that contacts a first surface of the ovonic threshold switching material portion has a greater area than a first surface of the second electrode that contacts a first segment of a second surface of the ovonic threshold switching material portion.

Disclosed a device-based cross point array and a method of operation therefor. The method relates to a method for updating a cross point array implemented as a device where a potentiation region and a depression region are separated, and the method is performed by a control logic. The method includes: in a first cycle, controlling lines where positive values are applied among first lines, in ON state, and applying a first voltage pulse at each of second lines intersecting with the first lines based on an applied value; and in a second cycle, controlling lines where negative values are applied among the first lines, in ON state, and applying a second voltage pulse at each of the second lines based on an applied value.

According to some aspects of the disclosure, a crossbar circuit may include a plurality of bit lines intersecting with a plurality of word lines, a plurality of cross-point devices, and a plurality of switches connected to the plurality of word lines. Each of the plurality of cross-point devices is connected to at least one of the word lines and at least one of bit lines and may include a resistive random-access memory (RRAM) device. Each of the switches is selectively connected to ground or a reference voltage. A digital input may be provided to a cross-point device of the crossbar circuit by selectively connecting a word line connected to the cross-point device to ground or the reference voltage.

The present disclosure provides for crossbar circuits with minimized write disturbance. A crossbar circuit may include a plurality of bit lines intersecting with a plurality of word lines, a plurality of select lines, a plurality of cross-point devices, and a ramp-rate adjustable DAC that comprises a control circuit and an operational amplifier. An input of the operational amplifier is connected to a capacitor. The control circuit may generate, based on a digital input, a control signal. To program a cross-point device of the crossbar circuit, the capacitor may be charged using a reference current. As the charging rate of the capacitor is limited by the reference current, and the charging duration is controlled by the control signal, thus the output of the operational amplifier corresponds to the digital input and may be applied to the cross-point device as a programming signal with limited slew-rate adjustable by the reference current.

Methods, systems, and devices for cross point array architecture for multiple decks are described. A memory array may include multiple decks, such as six or eight decks. The memory array may also include sockets for coupling access lines with associated decoders. The sockets may be included in sub-blocks of the array. A sub-block may be configured to include sockets for multiple access lines. A socket may intersect an access line in the middle of the access line, or at an end of the access line. Sub-blocks containing sockets for an access line may be separated by a period based on the access line.

Connecting pipe for guiding an airflow from a blower (2) of a hand-held, portable work device (1) to a component (3), in particular a collection bag, of the hand-held, portable work device (1), wherein the connecting pipe (4) is curved in an arc in a plane of curvature (K), wherein the connecting pipe (4) has an inlet opening (10) for the airflow, wherein the connecting pipe (4) has an outlet opening (30) for the airflow, wherein the outlet opening (30) and the inlet opening (10) are oriented relative to each other such that the airflow in the connecting pipe (4) is deflected in the plane of curvature (K) by at least 70°, in particular by at least 80°, wherein the connecting pipe (4) has flow cross-sections (13, 23, 33) oriented perpendicular to a longitudinal centerline (50), wherein each Flow cross-section (13, 23, 33) an internal height (h1, h2) measured perpendicular to the plane of curvature (K).h3) having, wherein the connecting pipe (4) has a central flow cross-section (20) oriented perpendicular to the longitudinal centerline (50) at the midpoint between the inlet opening (10) and the outlet opening (30), wherein each flow cross-section (13, 23, 33) oriented perpendicular to the longitudinal centerline (50) has an inner width (b1, b2, b3) in a direction perpendicular to its inner height (h1, h2, h3), and wherein the inner height (h2) of the central flow cross-section (20) is greater than the inner width (b2) of the central flow cross-section (20), characterized in that the connecting pipe (4) has a tangential plane (T) which runs perpendicular to the plane of curvature (K) and which connects the inlet opening (10) at a first point of contact (P1) and the outlet opening (30) at a second point of contact (P2). affected that the first point of contact (P1) has a point distance (s) from the second point of contact (P2), that each flow cross-section (13, 23,33) of the connecting pipe (4) to the tangential plane (T) has a plane spacing measured perpendicular to the tangential plane (T), and that a maximum plane spacing (d) of all plane spacings of the flow cross-sections (13, 23, 33) to the tangential plane (T) is at least 25%, in particular at least 30%, in particular at least 35%, of the point spacing (s).