491results about How to "Achieve simplicity" patented technology

The invention discloses a method and system for distributed computing and querying massive data in online analysis and processing. The method uses a cluster system to perform distributed pre-calculation and querying on data cubes. Based on the MapReduce framework, the present invention divides large-capacity data sets into blocks and distributes them to each node through MapReduce, then the Map task on the node calculates a corresponding local closed cube for each data block, and finally starts the Map task on different nodes Parallel query is performed on each local closed cube, and the Reduce task merges the metric values ​​obtained from the query. The present invention can simply and effectively perform pre-calculation and query on-line analysis and processing of large-capacity data, greatly compress the storage space of the data cube, and can quickly respond to user queries.

The invention discloses an intelligent quality test management system and method of a WLAN (wireless local area network), wherein the method comprises the following steps that: the test mode of a test terminal is set; a service end judges the test mode, if the test mode is an automatic test mode, the service end issues a network quality test task to the test terminal by virtue of a mobile communication network, and the test terminal monitors the quality of the WLAN at a local WLAN access point according to the test task; if the test mode is a manual test mode, the test terminal carries out monitoring according to the manual operation of a user; and then, the test terminal reports monitored data to the service end by virtue of the WLAN; the service end carries out comprehensive analysis, statistic and analysis on the received monitored data and multi-network optimization data such as the network management platform of an operator, a daily maintenance test and the like, and estimates the network quality; and the network quality is shown multi-dimensionally by virtue of a map, a report form and a graph. According to the invention, the universalization of the test terminal, the real-time transmission of the test result and the intelligent analysis on the test result can be realized.

The present invention provides a non-contact impedance sensor which is mounted on measuring region, the radial section structure of the sensor comprises of four layers, metal tube layer, insulation material layer, electrode array layer and insulation ring layer from outside to inside in turn. At least two electrodes are distributed in one circle on the insulation ring layer whose thickness is less than 1% of external diameter, and electric field intensity between electrode array and metal tube layer is less than breakdown strength of insulation layer. The electrode array is separated with measuring region by insulation ring layer. Two image reconstruction algorithms to realize electrical impedance tomography based on the said sensor are also provided. The present invention provides analytical medel, corresponding sensitivity distribution expression and two rapid imaging methods, the sensor can measuring synchronous same-positional dual-mode impedance, advance mutual fusion of real parts and imaginary part information of impedance distribution, predigest the design and implement of software and hardware of dual-mode measuring system.

The invention relates to a sound source locating method based on improved PHAT weighting time delay estimation. The sound source locating method comprises the steps that a microphone array collects four paths of sound signals, the sound signals are converted into digital signals through an A / D sampling circuit, time delay estimation algorithm processing is conducted through an improved PHAT weighting generalized cross correlation function method, a time delay estimation value is obtained, a nonlinear equation system is solved through the iteration method according to the time delay estimation value and the spatial position of the microphone array, and then the relative position of a sound source is obtained. According to the sound source locating method based on improved PHAT weighting time delay estimation, the arrangement of the microphone array is similar to the arrangement of the origin of a rectangular coordinate system and fixed length points on the x-axis, the y-axis and the z-axis; the calculated quantity is small, the device requirement is low, the speed is high, and instant locating is achieved; a sound source locating system is applied to social life, the military field and other aspects such as a video session, path planning and locating of a sniper.

The invention belongs to the technical field of engines, and particularly relates to an integrated engine brake rocker arm structure. A rocker arm is arranged on a rocker arm shaft, a roller is arranged at one end of the rocker arm and connected with a venting cam in a contacting manner, a brake mechanism with a one-way valve structure is arranged at the other end of the rocker arm and operates a venting gate bridge, an oil control valve mechanism is mounted on the rocker arm between the brake mechanism and the rocker arm shaft, a brake oil channel and a lubricating oil channel are formed in the rocker arm shaft, a first brake oil channel communicated with the oil control valve mechanism and a second brake oil channel communicated with the oil control valve mechanism and the brake mechanism are formed in the rocker arm, the first brake oil channel is connected or disconnected with the second brake oil channel through the oil control valve mechanism, rotation of the venting cam drives the rocker arm to swing around the rocker arm shaft, and the venting cam is matched with a solenoid valve signal to drive the oil control valve mechanism and the brake mechanism to act, so that the action of the venting gate bridge is controlled. The brake mechanism of an engine is integrally modular, simple, low in cost, convenient to mount and adjust and wide in applicability.

The invention provides a method and a system for diagnosing and flashing the electronic control unit of a vehicle. The method comprises the following steps: an upper computer sends diagnosing and flashing instruction data to a lower computer via an Ethernet bus, wherein the diagnosing and flashing instruction data carries a CAN message for diagnosing and flashing and at least two target CAN bus IDs; the lower computer receives the diagnosing and flashing instruction data, extracts a CAN message in the data, and sends the CAN message to at least two target CAN buses according to the target CAN bus IDs; the lower computer receives a returned CAN response message, packages the CAN response message into an Ethernet data frame, and sends the Ethernet data frame to the upper computer via the Ethernet bus; the upper computer receives the Ethernet data frame, extracts the CAN response message from the Ethernet data frame, and processes the CAN response message; and the upper computer and the lower computer communicate via a user datagram protocol UDP. The electronic control units on multiple CAN buses can be flushed at the same time, and thus, the production efficiency is improved.

This invention provides a sensor with a double mode electric imaging system, in which, the radial section structure of the sensor is composes of three layers, the outside is a metal tube layer, the middle is an insulation substance layer and the inside structure layer is composed of multiple electrodes distributed on a same circle and adhered on the insulation substance layer and realizing the synchronous measurement of the actual and virtual parts of impedance, insulation substances are filled in slits between adjacent electrodes, the longitudinal sectional structure of the sensor is designed as an electrode array realizing synchronous measurement to the actual and virtual parts of the tube section impedance, besides, a method is provided for re-structuring two kinds of images based on the sensor to expand the sphere and accuracy of the measurement of the current ERT and ECT system.

An embracing electric shifting machine comprises a supporting leg opening and closing mechanism, a base, a vertical base, embracing arms, an electric lifting mechanism, an embracing arm opening and closing mechanism, an embracing arm locking mechanism, an electric control system, shank supporting mechanisms, a thigh supporting strap and a push handle. The vertical base is mounted on the base. The electric lifting mechanism is mounted on the inner side of the vertical base. The shank supporting mechanisms are mounted on the two sides of the vertical base. The supporting leg opening and closing mechanism is mounted under the base and comprises a left supporting leg and a right supporting leg. The embracing arm opening and closing mechanism is mounted at the upper end of the electric lifting mechanism. The embracing arms are connected to the embracing arm opening and closing mechanism. According to the embracing electric shifting machine, required functions are achieved by combining a manual mode and an electric mode; a left supporting arm and a right supporting arm on the upper portion are opened and closed by means of manual adjustment, and ascending and descending of the ends of the supporting arms are achieved in the electric mode; a left supporting frame and a right supporting frame at the bottom are opened and closed by means of electric control; a single-chip microcomputer is adopted to achieve the function of a controller, and therefore a circuit is concise overall.

The invention discloses an expansion board card system for supporting full-length PCIE, and provides an expansion board card system based on an Intel X86 architecture server. The expansion board card system comprises a PCIE hot plug device and a PCIE full-length and semi-length automatic switching device, different requirements for the server of different customers are met, and the expansion board card system has considerable convenience and practicability. The system further comprises a common PCIE card slot device which is used for allowing a full-length PCIE card and a semi-length PCIE card be installed and used directly. For achieving maintenance simplification, the expansion board card system of PCIE is independently designed in a computer server. For enabling the operation process to be safer, a key is added to the hot plug device, and the key is pressed to inform a CPU to power off a card slot before the cards are pulled out.

The invention discloses a revolving shaft calibration method under binocular vision. The method comprises the following steps: placing a rotating platform into the visual fields of two cameras, and placing a calibration board on the rotating platform; detecting the angular points of the calibration board by using two cameras simultaneously, and marking an angular point which is farthest away from the center of the rotating platform as a mark point Q1; rotating the rotating platform by two angles in sequence to obtain a mark point Q2 and a mark point Q3; solving the three-dimensional coordinates of the three mark points in a world coordinate system respectively; converting the geometrical relation between the revolving shaft and a rotating platform plane into an operation relation among vectors, and solving the direction of a revolving shaft and the circle center coordinate of the rotating platform according the three-dimensional coordinates of any two mark points obtained in the step 3 in order to finish the calibration of the revolving shaft. By adopting the revolving shaft calibration method under binocular vision, the problem of low calibration efficiency due to complexity of a calibration device and the requirement of acquisition of the mark points by means of a large amount of calculation in the prior art is solved.

A needle bar mechanism for a double-needle sewing machine, comprising: a needle bar support body (40) supporting a pair of needle bars (20) capable of moving up and down; A needle bar up and down movement mechanism (50) for each needle bar to move up and down; a clutch mechanism (60) equipped with a plurality of input parts (62, 66) that accept the holding and release input of each needle bar; a switching part (81), the switching Parts (81) are selectively docked on each input part that carries out the lifting action and carry out the switching of holding or releasing the needle bar; and also have a grease supply mechanism (91), and the grease supply mechanism (91) is set On the needle bar abutment, at the same time, it is used to supply grease to the sliding parts of the needle bar abutment and each needle bar. The needle bar mechanism of this double needle sewing machine increases the durability of the unit.

The invention discloses a voice and wireless control intelligent household appliance operation system which comprises a mobile device terminal and a robot terminal. The intelligent household appliance operation system has voice control and wireless control functions, the voice control process includes user voice command input, system command conversion and command code value infrared emission, and the wireless control process includes user client operation, wireless transmission system terminal and command code value infrared emission. Intelligent household appliances can be wirelessly controlled and can also be controlled by voice, household appliance control is simple and intelligent, and the controllable household appliances mainly include common appliances such as a television and an air conditioner.

The invention relates to a wideband log-periodic dipole array antenna for feeding a substrate integrated waveguide. An upper metal coating (2) is provided with an upper assembly line (5), upper feed source element antennae (7), an upper surface (9) of the substrate integrated waveguide, a microstrip taper transition line (6) and a 50-ohm output microstrip line (8) which are sequentially connected, wherein the upper assembly line (5) is connected with the upper surface (9) of the substrate integrated waveguide, the upper feed source element antennae (7) are respectively arranged at both sides of the upper assembly line (5); a lower metal coating (3) comprises a lower surface assembly line (11) of the log-periodic dipole array antenna, lower surface feed source element antennae (12), a lower surface (13) of the substrate integrated waveguide and a ground surface (14) of a microstrip line; the lower surface assembly line (11) of the log-periodic dipole array antenna is symmetric in parallel to the upper assembly line (5) of the log-periodic dipole array antenna, the lower surface feed source element antennae (12) are symmetric in cross to the upper feed source element antennae (7); and the lower surface (13) of the substrate integrated waveguide is symmetric to the upper surface (9) of the substrate integrated waveguide and is connected with the ground surface (14) of the microstrip line.

The embodiment of the invention provides a distribution method and a distribution apparatus, and a terminal. The method includes: distribution information is obtained, and the distribution information at least includes: a target distribution address and a notification number; whether the current position is in a preset notification area of the target distribution address is detected; if the current position is in the preset notification area of the target distribution address, a preset notification is sent to the notification number; whether a communication connection with a terminal related to the notification number is successfully established is determined; and if the communication connection with the terminal related to the notification number is successfully established, the distribution is successfully accomplished. According to the distribution method and the distribution apparatus, and the terminal, the news of immediate arrival of express can be notified to the user terminal when the current position of the distribution terminal is in the preset notification area, the signing process with the user terminals can be automatically accomplished, and simplification and automation of the express distribution process are realized.

A convergence type hydraulic and mechanical continuously variable transmission provided with double planet rows comprises an input shaft, an output shaft, a power output shaft, a hydraulic transmission assembly, a mechanical transmission assembly, a double-planet-row mechanism assembly, a gearshift mechanism assembly and a power output gear pair, wherein power input by the input shaft is shunted by the hydraulic transmission assembly and the mechanical transmission assembly respectively and is converged through the double-planet-row mechanism assembly, and the power after convergence is output through the gearshift mechanism assembly and the output shaft; and the input shaft drives the power output shaft to output the power through the power output gear pair. The continuously variable transmission has the benefits as follows: 1. shifting between the pure hydraulic gear and the hydraulic mechanical gear of the transmission is achieved through rotation speed of an engine and a centrifugal block clutch, and the operation is convenient and reliable; and 2, the centrifugal block clutch is replaced with an electromagnetic clutch, and the control is more accurate.

The invention relates to a switch voltage stabilizer. A reverse current detection circuit (9) compares the voltage difference between the output voltage (Vout) and the voltage (VBOLX) with a reference voltage generated in the reverse current detection circuit (9). If the voltage difference is lower than the reference voltage, a preset reverse current detection signal (S1) is output to a control circuit (8) to break the synchronous commutation transistor SW4 for boosting pressure to be a cutoff state, and the reverse current is prevented. The switch voltage capable of prevent reverse current generation in diverse action mode is obtained.

This invention supplies a squareness double mode self-standardization sensor. Cross section of this sensor embody three-layer: outer layer is metallic conduit layer used for structure fixing and shielding effect; intermediate layer is insulant layer; inner layer structure is multi- pole attach at insulating layer; the poles dispersed over identity section to a certainty order, interval of neighbor pole is not equidistant. These inventions also supply two kinds of image reconstruction method base on this sensor. Aim at squareness measuring region, this double mode electricity imaging system sensor spread measuring range. The invention can measure object of different section and stimulation nonsynchronous, possess self-standardization property. The invention adopts multifold stimulation mode, realize synchronization and coordination measuring, make real part and imaginary part information of measuring sectional impedance distribution each other merge, and simplify the design and realization of soft and hard ware of bimodal measuring system.

A paper money handling device shortens a conveying path of the paper money maximally for realizing simplification of a paper money conveying mechanism and miniaturization of the device. A temporary storage part, a refusal chamber and a paper money filling chamber which are configured in the conveying path for bidirectionally conveying the paper money are successively configured behind the device from top to bottom. Furthermore, a switching mechanism is provided. The switching mechanism switches the conveying path of the paper money which passes through a paper money determination part so the conveying path is connected with a certain one selected from the refusal chamber and the paper money filling chamber.

In the left telescopic cover 25A for the machine tool having a plurality of cover bodies 26A, 27A which are overlapped inside and outside with each other and are combined so as to extend and contract by a relative motion. In order to simplify a supporting structure of a plurality of cover bodies composing the telescopic cover, and further can effectively utilize the whole of the respective cover bodies composing the telescopic cover, a pair of guiding members 31A extending in the X direction (extending and contracting direction) are provided on both side wall portions of the outside cover body 26A, and a pair of guided members 34A protruding in the extending and contracting direction from the base end portion of the outside cover body 26A side toward the outside cover body 26A are provided on both side wall portions of the inside cover body 27A. As a result, a pair of the guided members 34A are engaged with a pair of the guiding members 31A so as to slide respectively.

The electric power supply device with cell charger comprises: a charge voltage control part to adjust power from ac adapter fit to proper cell voltage, a dc / dc frequency converter to transform said power into system power for supply, and a charge current control part to adjust and send said output charge current of voltage control part to cell. This invention reduces voltage to input system, and simplifies device.

The invention provides a method for producing individual two-dimensional anime, comprising the following steps: modeling the face based on front and side images; drawing the head portrait of the visual true man with changed poses; and compositing the individual two-dimensional anime. The invention is capable of quickly generating the two-dimensional anime just by using one picture of the head on the front and side, thereby greatly reducing the producing cost and time of the individual two-dimensional anime, and realizing the simplification, customization and automation of the individual two-dimensional anime with relatively low cost.

It's a kind of unbuffered memory dynamic distribution method in embedded real time operation system. It comprises the following steps: applying a large memory area to operation system in advance; setting this memory area as user reserved area; setting unbuffered description array; searching the unbuffered block that have released and free and identified as non-distribuion among the unbuffered description array, assignning to the required program in sequence; changing the memory identifier to assignned state in the unbuffered description array; searching the location of the memory block in the unbuffered description array and releasing; changing the memory identifier to unassignned state in the unbuffered description array. This invention resolvesthe problem of statistic operation and space wasting in previous algorithm. Its flexibility can fit embedded system with different scale.

A temperature sensor mounting structure for a battery module that is formed by connecting single cells together in series including: a temperature-measuring device that detects the temperature of the battery module; a covering device that covers the temperature-measuring device; and movement-restricting devices that are removably engaged with the battery module and restrict the movement of the covering device.

The invention belongs to the technical field of engines and particularly relates to an integrated rocker arm used for achieving engine braking. The rocker arm is arranged on a rocker arm shaft. A driving mechanism driving the rocker arm to swing around the rocker arm shaft is arranged at one end of the rocker arm, and a braking mechanism is arranged at the other end of the rocker arm. The rocker arm shaft is provided with a braking oil channel and a lubricating oil channel. A braking adjusting bolt and a braking piston are communicated with the braking oil channel in the rocker arm shaft through a first braking oil channel and a second braking oil channel in the rocker arm. The braking piston is further communicated with the lubricating oil channel in the rocker arm shaft through a first lubricating oil channel in the rocker arm. The lubricating oil channel in the rocker arm shaft is further communicated with the driving mechanism through a second lubricating oil channel. The driving mechanism drives the rocker arm to swing around the rocker arm shaft and controls actions of the braking mechanism in cooperation with signals of an electromagnetic valve so as to control actions of an exhaust valve bridge or a single exhaust valve. The integrated rocker arm used for achieving engine braking does not need to be additionally provided with a complex mechanical hydraulic structure, and integration modularization, simplification and low cost of an engine braking mechanism are achieved.

The invention discloses a magnetic refrigerating device based on a pulsed magnetic field. The device comprises a repetitive pulsed power supply without a continuous loop, a pulsed magnet, a magnetic refrigeration working medium, a hot end heat exchange unit and a cold end heat exchange unit, wherein the repetitive pulsed power supply discharges to the pulsed magnet, and part of electric energy flows back to the repetitive pulsed power supply to achieve energy recovery; during the discharge process, the pulsed magnet generates the pulsed magnetic field and causes the refrigeration working medium to magnetize and release heat, and the heat generated by the magnetic working medium is transferred to a high-temperature heat source through the hot end heat exchange unit; after the discharge is finished, the repetitive pulsed power supply is shut off, and the pulsed magnet stops generating the pulsed magnetic field, and the magnetic refrigeration working medium demagnetizes and absorbs the heat, and through heat absorption of a low-temperature heat source by the cold end heat exchange unit, the temperature of the low-temperature heat source is lowered, thus completing a discharge refrigeration cycle; and the discharge refrigeration cycle is circulated in a manner above to realize continuous refrigeration. According to the scheme disclosed by the invention, the controllable pulsed magnet generates the intermittent repetitive pulsed magnetic field to achieve the magnetic refrigeration, and the magnetic refrigerating device has the characteristics of high magnetic field intensity, no moving part, convenience and fastness of control, high efficiency and high refrigeration power.

The invention discloses a sanitation cleaning device for a toilet stool, which comprises a shell and a waterway pipe body, wherein the waterway pipe body is movably arranged in the shell, and comprises an effuser, a nozzle and a hidden nozzle, the effuser is connected with the nozzle, and the hidden nozzle is movably arranged in the nozzle; at least two flow passages are formed in the shell, and one is used as a self-cleaning flow passage, while the other is used as a working flow passage; the self-cleaning flow passage leads to the inner cavity of the shell, and the working flow passage leads to the effuser of the waterway pipe body; the waterway pipe body is provided with a limit button, and the shell is provided with a guide slot; the limit button is embedded in the guide slot; and the waterway pipe body is provided with a row gear, the row gear is connected with a motor by a drive mechanism, and the motor is connected with a control device. The sanitation cleaning device for the toilet stool has a simple structure, can realize various cleaning functions, can keep clean and tidy when used, and can realize miniaturization, simplification and low cost.

The invention discloses a wideband Yagi aerial for half-mould substrate integrated waveguide feed, comprising a dielectric substrate which is provided with a metal coating on both sides. The structurecomprises a half-mould substrate integrated waveguide, a Yagi aerial, a micro-strip gradual-change transition wire and a 50 Ohm micro-strip output wire. The half-mould substrate integrated waveguidecomprises a metallic through hole, an upper metal coating and a lower metal coating. The Yagi aerial comprises a wave director, a cross feed source matrix of upper and lower surfaces, and parallel wires. For measuring conveniently, the micro-strip gradual-change transition wire is connected between the half-mould substrate integrated waveguide and the 50 Ohm micro-strip output wire. The half-mouldsubstrate integrated waveguide structure is used as the feeding structure of aerial, so the 180 DEG balanced line structure with a current phase difference of upper and lower metal surfaces is formedand can be directly connected to the Yagi aerial. For improving the plus, four wave directors are used to form a printed antenna structure, with wideband, high plus, low cost and low outline.

The invention relates to an automatic control system of a robot for cleaning oil sludge, sludge and the like in an oil storage tank, comprising a PLC part, a system for acquiring and displaying images in the tank, a combustible gas monitoring system, a robot walking system, an oil sludge cleaning, an oil sludge sucking control system and other parts. The automatic control system can realize the remote control outside the tank of the robot for cleaning the oil tank, has two modes of automatically cleaning the tank and manually cleaning the tank, and can be used for acquiring image information in the tank and displaying the image information, displaying the concentration of the combustible gas, realizing water jet and push shovel cleaning work, moving the robot and controlling the sucking of the oil sludge. The control system constructed by taking the PLC as the core has high automatic degree, is easy for expansion, librates workers for cleaning the tank from high-intensity work and severe dangerous environments, realizes the safety, the simpleness and reclamation for cleaning the tank and has remarkable social and economic benefits. The automatic control system can be also used for cleaning a finished product oil tank, an autoclave, a cooling tower, a storage tank and the like in the severe dangerous environment.