93results about How to "Improve accuracy and safety" patented technology

A robot (100) has a robot mechanism unit (1) having a sensor (10) and a control unit (2), and the control unit (2) includes a normal control unit (4) that controls the operation of the robot mechanism unit, and a learning control unit (3) that, when the robot mechanism unit (1) is operated by a speed command that is given by multiplying a teaching speed designated in a task program by a speed change ratio, performs learning to calculate, from a detection result by the sensor (10), a learning correction amount for making the trajectory or position of the control target in the robot mechanism unit (1) approach the target trajectory or target position, or for reducing the vibration of the control target, and performs processes so that the control target position of the robot mechanism unit (1) moves along a fixed trajectory regardless of the speed change ratio.

The invention discloses a multi-rotor-wing unmanned aerial vehicle for automatic routing inspection of a power transmission line and a method thereof. The unmanned aerial vehicle is composed of a machine vision unit, a flight control unit, a route shooting unit, and a battery power supply unit; and the machine vision unit and the route shooting unit are connected with the flight control unit. The machine vision unit captures image information of power transmission lines in real time, calculates positions and directions of all power transmission lines in the image as well as the relative distances of all power transmission lines in the image according to the captured image information, and sends the data to the flight control unit to stabilize the position, direction and height of the unmanned aerial vehicle relative to the power transmission lines, so that the unmanned aerial vehicle can fly in parallel to the route. The route shooting unit is used for obtaining image information of the power transmission lines when the unmanned aerial vehicle flies in parallel to the route. Therefore, accuracy and security of routing inspection of power transmission lines by the unmanned aerial vehicle can be improved; the stability of the shot picture can be enhanced; and the manpower cost for routing inspection by the unmanned aerial vehicle can be reduced.

A runway indicator is displayed overlying a target runway for providing supplementary guidance to support the pilot's ability to fly a stabilized approach. The highlighted runway position indicator provides cues to verify that the aircraft is continuously in a position to complete a normal landing using normal maneuvering during the instrument segment of an approach and includes a landing threshold, a landing zone on the runway, an approach line leading to the runway, an outline highlighting the sides and ends of the runway, a rectangle larger than and surrounding the runway, and a visual precision path approach indicator.

A method and system for employee life cycle management collects occupational health data from a plurality of diverse occupational health data sources for a plurality of employees, stores the collected data in a central database, processes the data to generate employee life cycle data, stores the employee life cycle management data in the database, and centrally manages the employee life cycle management data to make the employee life cycle data available to at least one employer.

A method and system is provided for increasing the accuracy and security of data capture from a paper form where the form was completed electronically and printed out prior to submission. The invention utilizes two-dimensional barcode technology to dynamically capture data entered electronically into the form. The data contained in this two-dimensional barcode is then encrypted for security and authentication purposes and printed on the form when the user prints the form. When the printed form is received by the Data Collector at a central processing site, the two-dimensional barcode is scanned and decrypted, the form is authenticated, and the data is extracted virtually error-free

When generating a projection image which is an image formed of image information on a plurality of visual lines viewing a first structure in a three-dimensional medical image from a given viewpoint being projected on a given projection plane, setting an assumed position of a treatment tool in the three-dimensional image, detecting a surface of the first structure from the three-dimensional medical image, identifying a second structure in the three-dimensional medical image located at a position masked by the first structure, detecting an intersection point between an assumed path formed when the treatment tool is moved from the assumed position towards the second structure and the surface of the first structure, and displaying the intersection point in an identifiable manner at a position to which image information on a visual line connecting the viewpoint and the intersection point is projected.

A tympanic thermometer is provided including a heat sensing probe that defines a longitudinal axis and an outer surface extending from a distal end of the tympanic thermometer. An ejection apparatus including at least one finger extends from the distal end of the tympanic thermometer and is configured for movement along the outer surface of the probe. A probe cover is mountable to the distal end of the tympanic thermometer. The probe cover defines an inner surface configured to engage the outer surface of the probe. The probe cover includes at least one longitudinal rib radially projecting from the inner surface thereof. The longitudinal rib defines a proximal face such that the at least one finger is configured to engage the proximal face. The probe cover can include a plurality of longitudinal ribs.

A computer-aided positioning and navigation system for dental implant includes a computer system having built therein a dental implant planning software and providing a 3D digital human tissues model to create an implant navigation information, a positioning assistive device including a body providing a positioning portion and a guide portion and a connection member carrying an optical positioning device, one or multiple optical capture devices, and a display device electrically connected to the computer system. The computer system controls the optical capture device to capture images and drives the display device to display a part of the content of the 3D digital human tissues model and the implant navigation information.

A dynamic runway indicator is displayed overlying a conformal runway for assisting a pilot in completing an approach to landing on a runway. The dynamic runway indicator includes a polygon, that by changing position with respect to the conformal runway, provides advanced instrumentation cues to the pilot for adjusting the aircraft flight path to a normal, or recommended, path to the runway for landing, thereby assisting the pilot to improve the accuracy and safety of the approach and landing.

A multicast control method in an Ethernet passive optical network, the method includes steps: (A) configuring different id for user-end devices and their user ports; labeling users on office-end devices by using id for user-end devices and their user ports; setting up user's multicast authorization table; (B) based on the multicast authorization table, office-end devices control user's multicast authority; based on the controlled result, setting up multicast filtration tables and user filtration tables for user-end devices; based on the multicast filtration tables and user filtration tables, user-end devices filter multicast data, and forward them to users having multicast authority. The method controls multicast for different user ports on the same user-end device so as to raise security of multicast.

A robot (100) has a robot mechanism unit (1) having a sensor (10) and a control unit (2), and the control unit (2) includes a normal control unit (4) that controls the operation of the robot mechanism unit, and a learning control unit (3) that, when the robot mechanism unit (1) is operated by a speed command that is given by multiplying a teaching speed designated in a task program by a speed change ratio, performs learning to calculate, from a detection result by the sensor (10), a learning correction amount for making the trajectory or position of the control target in the robot mechanism unit (1) approach the target trajectory or target position, or for reducing the vibration of the control target, and performs processes so that the control target position of the robot mechanism unit (1) moves along a fixed trajectory regardless of the speed change ratio.

The invention provides a vehicle control method, apparatus and system. The vehicle control method includes obtaining vehicle driving information, sending the vehicle driving information to a service terminal, receiving a control instruction generated by the service terminal according to the vehicle driving information and controlling the vehicle according to the control instruction. Remote driving accuracy and safety of a vehicle and user experience are effectively improved.

The invention relates to a fire warning method and device, computer equipment and a storage medium. The fire warning method comprises the following steps: respectively acquiring detection values of agas sensor, a smoke sensor and a temperature which are all located in a normal working state in a to-be-tested environment; judging whether fire occurs according to the size of each detection value and the change of each detection value along the time; and if the fire occurs, starting fire warning. According to the fire warning method, any uncertain factor for causing the fire in a vehicle can becomprehensively checked, and the accuracy and the safety of the fire warning can be improved.

The invention provides a three-dimensional laser panoramic railway line plotting method to realize surveying and mapping of existing railway lines and facilities, thereby providing a technical supportfor application of three-dimensional laser scanning and moving mapping and surveying to technical transformation, asset investigation and informationized operation management of the existing railwaylines. The method comprises the following steps: step one, carrying out three-dimensional mobile laser railway scanning to obtain a moving trajectory and a moving attitude of a three-dimensional mobile laser scanning system; and carrying out geographic reference processing to obtain three-dimensional laser point cloud data of railway lines and facilities and accurate locations and attitudes of allpanoramic stations to provide a data support for building a three-dimensional laser panoramic data model; step two, carrying out laser point cloud and panoramic image fusion to construct a three-dimensional laser panoramic data model; step three, carrying out visualized browsing of a panoramic image and building a spherical visualized browsing frame of the panoramic image based on characteristicsof the panoramic image spherical model; step four, carrying out line and facility recognition on the panoramic image; and step five, carrying out geodetic coordinate calculation of the lines and facilities.

The invention provides a positioning method, a system, a device and a storage medium for an unmanned vehicle, wherein the method comprises the following steps: setting a plurality of positioning markpatterns on a lane line, and establishing a mapping relationship table between each positioning mark pattern and spatial coordinates; capturing a picture of the road surface in front of the vehicle, and detecting whether the picture has a mark line with a preset mark pattern, if not, adopting a global positioning mode for controlling; if so, obtaining a accuracy of local positioning and a accuracyof global positioning in a current state; determining whether the accuracy of the local positioning in the current state is higher than the accuracy of the global positioning, and if so, adopting a local positioning mode for controlling; If not, adopting the global positioning mode for controlling. According to the positioning method, the system, the device and the storage medium for the unmannedvehicle, the most suitable positioning mode can be automatically selected in different states, and the safety and accuracy of the unmanned vehicle are improved.

A method of making dental plate implant includes the steps of preparing an oral scanning image generated from a tomogram of a patient's mouth; producing and scanning a substantial model from a rollover of the patient's mouth to prepare an oral model; positioning the oral model to the oral scanning image by comparing a positioning object (defined by the oral model) and a referential object (defined by the oral scanning image) respectively; conducting a multi-stage amplification calculation of the oral model to further generate a digital processing model; and processing the digital processing model through a machine tool to produce a dental plate implant.

A synchronous control integrated system for bridge lifting, comprising a monitor mechanism; an oil pressure control mechanism, connected to the monitor mechanism; a plurality of jacks, each connected to the oil pressure mechanism, respectively; and a sensor mechanism, connected to the monitor mechanism. As such, a shift variance generated by girders of a bridge may form a signal by using a sensor mechanism and jacks together transmitted on line to a monitor mechanism as a control parameter, so that the monitor mechanism may have an accurate adjustment and monitoring on an oil pressure control mechanism and the jacks, whereby completing the synchronous control operation for the bridge lifting course. Furthermore, the bridge lifting construction may have its improved accuracy and safety.

A method and a system for image-guided intervention such as a percutaneous treatment or diagnosis of a patient may include at least one of a pre-registration method and a re-registration method. The pre-registration method is configured to permit for an efficient virtual representation of a planned trajectory to target tissue during the intervention, for example, as a holographic light ray shown through an augmented reality system. In turn, this allows the operator to align a physical instrument such as a medical probe for the intervention. The re-registration method is configured to adjust for inaccuracy in the virtual representation generated by the pre-registration method, as determined by live imaging of the patient during the intervention. The re-registration method may employ the use of intersectional contour lines to define the target tissue as viewed through the augmented reality system, which permits for an unobstructed view of the target tissue for the intervention.

The invention discloses a method and device for establishing an association relation between terminal devices. The method comprises: a server receives a request for establishing an association relation between at least two terminal devices; the request is triggered by performing one preset configuration operation on at least two terminal devices at the same time; the request carries operation characteristic information when the preset operation is performed on terminal devices; similarity comparison is performed on operation characteristic information of each terminal device; and if the similarity between the operation characteristic information of the at least two terminal device accords with a preset condition, an association relation between the at least two terminal devices is determined. The method and device of the invention utilize the operation characteristic information to establish the association relations between various terminal devices, have higher accuracy and improve safety of the matching process.

The invention discloses a method and device for identity authentication, a terminal and a storage medium. The method comprises: collecting time domain gait data of a target user based on a sensor in amobile terminal, and extracting the time domain gait data by using the periodic algorithm to obtain time domain gait data of each period as first gait data; performing coordinate transformation on the first gait data to obtain second gait data, converting the second gait data into frequency domain gait information and obtaining a feature sequence corresponding to the target user based on a pre-trained feature generation model; and entering the feature sequence of the target user into a single classification model corresponding to the target user, and passing the authentication when the data output by the single classification model is first preset data. The technical scheme of the embodiment of the invention realizes the technical effect of improvement of the accuracy and security of identity authentication by using the user gait information because of the individualization nature of the user gait information.

The invention discloses an intelligent surgical robot system based on optical coherence tomography. The intelligent surgical robot system comprises an imaging system which is used for carrying out two-dimensional microscopic imaging and optical coherence tomography three-dimensional imaging of a surgical region, a control system which controls a mechanical arm group to perform an operation, a termination system which is used for immediately controlling the robot system to stop working, a monitoring system which is used for monitoring the working condition of the robot system in real time, andan alarm system which is used for receiving monitoring information in real time and giving an alarm when the monitoring information does not accord with a preset safety condition. An optical coherencetomography technology and a robot technology are combined, so that tomographic imaging can be carried out on the human eyes, the focus position can be accurately positioned, and real-time navigationof an ophthalmologic operation is achieved; and meanwhile, different surgical instruments are installed at the tail ends of the multiple mechanical arms, a surgical path can be automatically planned,and more complex operations can be achieved through mutual cooperation, so that the accuracy and operability of the operation are improved while more accurate and visual operation navigation information is obtained and the workload of doctors is reduced.

The invention provides a magnetic resonance imaging direction judging method and device. The magnetic resonance imaging direction judging method comprises the steps of carrying out magnetic resonance scanning on the vertical plane, the coronal plane and the cross section of an asymmetrical water phantom, automatically comparing an image acquired after scanning with a reference image, and judging whether the image acquired after scanning passes the test or not. By means of the magnetic resonance imaging direction judging method and device, the operation of a user is simplified, an installation and maintenance service engineer does not need to judge whether the image direction and the image position are correct or not any more, and user interaction is reduced; high accuracy and safety are achieved, manual judging is easily affected by the experience of specific judging people, and the accuracy is hard to guarantee. The automation method is adopted in the magnetic resonance imaging direction judging method and device, the difference of judging individuals is avoided, and the accuracy and safety are improved; the speed is higher, the automation program is adopted to carry out judgment, and time is saved.

The invention discloses a data verification backup, writing and reading method for a triangle type memory device. The triangle type memory device comprises a ferroelectric memory, a first flash memory and a second flash memory. The data memory backup method comprises the steps of reading data in the ferroelectric memory; verifying the data; backing up to the first flash memory and the second flash memory after successfully verifying. The data writing method comprises the steps of reading bad block areas of the first flash memory and the second flash memory from the ferroelectric memory; respectively writing real-time data into block areas outside the bad block areas of the first flash memory and the second flash memory. The data reading method comprises the steps of reading real-time data of the first flash memory; verifying; returning after failing in verification; continuously reading and verifying until the failure times reach the preset times; reading the real-time data stored in the second flash memory. With the adoption of the data verification backup, writing and reading method for the triangle type memory device, the safety and accuracy of the data can be improved.

The invention relates to the field of semiconductor manufacturing, in particular to a production line reporting system. The production line reporting system is used for recording, processing, updating, storing, searching and the like of item data information composed of different clients and servers according to different technique processes in a production line. On the basis that reports such as production and management are effectively conveyed, accurate, safe and timely recording, processing, updating, storing and the like of the item data information in the production line are achieved, and therefore the problem of later date reduction in the prior art due to mingling of various information data and information recording and transmission manners is solved, accuracy and safety of the production information data are improved, and then a yield of products is improved.

The invention provides a charging control method and device and a terminal device. The method comprises the steps that whether a current voltage value of a battery equals a reference voltage value or not is judged, and the reference voltage value is smaller than or equal to a cut-off voltage value of a charging chip; if the current voltage value of the battery equals the reference voltage value, whether a charging current of the battery is zero or not is judged; if not, the reference voltage value of the charging chip is adjusted according to a preset rule till the charging current of the battery is zero. By means of the charging control method and device and the terminal device, it is guaranteed that the charging voltage of the battery cannot be higher than the safety voltage, the safety and accuracy of the battery charging process are improved, and the service life of the battery is prolonged.