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449 results about "Instrument Data" patented technology

Information obtained from an electronic device that is used to measure material properties.

Real-time panoramic stitching method and system for unmanned aerial vehicle images

The invention relates to a real-time panoramic stitching method and a real-time panoramic stitching system for unmanned aerial vehicle images. The method comprises the following steps: shooting an aerial photography area to acquire the image of each exposure point by a camera; acquiring corresponding GPS data and attitude instrument data from a GPS (Global Positioning System) and an attitude instrument respectively; performing synchronization and real-time calculation the acquired GPS data and attitude instrument data, and calculating elements of the exterior orientation of the image shot by the camera at a preset exposure time; mapping the images which are acquired at the corresponding exposure points and are preprocessed to a panoramic image according to the elements of the exterior orientation of the camera at the preset exposure time to obtain a real-time panoramic image. According to the real-time panoramic stitching method and the real-time panoramic stitching system for the unmanned aerial vehicle images, panoramic stitching is performed on the images in real time by acquiring the image data, positioning instrument data and the GPS data, synchronizing the positioning instrument data and the GPS data and quickly calculating the positioning instrument data and the GPS data; compared with the conventional aerial photograph measurement process, time-consuming links, such as aerial triangulation, are avoided, and the data processing speed is greatly improved.
Owner:WUHAN UNIV

Satellite navigation automatic driving system of high-speed seedling transplanter and satellite navigation automatic driving method of high-speed seedling transplanter

InactiveCN103425134AReduce the need for skilled laborHas practical valueTransplantingAttitude controlReduction driveOdometer
A satellite navigation automatic driving system of a high-speed seedling transplanter is composed of an RTK-GPS, an attitude instrument, odometers, a rotation angle sensor, an electronic control steering wheel, a GPS data forwarding electronic control unit (ECU), an attitude instrument data forwarding electronic control unit (ECU), an odometer electronic control unit (ECU), a steering wheel electronic control unit (ECU), an embedded navigation computer EGC and the like. A traditional manual steering wheel is replaced by the electronic control steering wheel; the RTK-GPS and the attitude instrument are arranged at the center of a cross-over support on a seedling disc support; the odometers are arranged on walking reducers of left and right wheels; the rotation angle sensor is arranged at a steering mechanism of the bottom of a main reducer; each electronic control unit (ECU) is arranged near the sensor; the EGC is mounted at one side of the seedling disc support; the EGC is connected with the ECUs through a serial communication network; the EGC includes a man-machine interface as well as pre-data processing, attitude estimation and driving control modules; in seedling transplanting, a target point method is adopted to realize tracking automatic driving; and in corner turning, a method in which attitudes are adjusted around a corner turning center is adopted to realize automatic driving. With the satellite navigation automatic driving system adopted, the seedling transplanter can be driven by a computer, and therefore, onboard operation personnel can be reduced to only one seedling supplementing worker.
Owner:NINGBO YINZHOU MICROAGRI TECH

Robot inspection system and inspection method for cold region transformer substation

InactiveCN105446336AMake up for the problem of local signal instabilityPrecise positioningPosition/course control in two dimensionsTransformerControl signal
The invention relates to a robot inspection system and inspection method for a cold region transformer substation, and belongs to the robot inspection field for a transformer substation. The robot inspection system and inspection method for a cold region transformer substation solve the problem that an existing manual inspection mode for a transformer substation is low in efficiency and bad in the detection quality. The robot inspection system for a cold region transformer substation comprises a main control system, a motion control system, a sensing detection system, a wireless communication system and a failure warning system, wherein the main control system is used for task scheduling of an inspection robot, and is also used for receiving an environment perception signal, orientation data, temperature data, environmental images and pointer instrument images, and sends a motion control signal according to the environment perception signal and the orientation data; by means of comparison between the collected temperature data and a set temperature threshold, when the collected temperature data exceeds the set temperature threshold, an warning control signal is transmitted; the images in a failure type model base are matched with the received environmental images; and if the matching is successful, the instrument data of the transformer substation can be read according to the received pointer instrument images. The robot inspection system and inspection method for a cold region transformer substation are used for inspection of a transformer substation.
Owner:HARBIN INST OF TECH

Portable reactivity meter for carrying out full measuring range automatic monitoring on reactor signal, and reactivity correction method

The present invention provides a portable reactivity meter for carrying out full measuring range automatic monitoring on the reactor signal, and a reactivity correction method. According to the present invention, the reactor signal input portion supports USB data communication, is connected with a computer through USB, and can flexibly support online measurement and offline treatment on the reactivity; the portable reactivity meter is provided with a high-precision micro-current measurement unit, the neutron detector current value is read through an industrial-grade high-precision electrometer, the bus communication circuit is matched to form the micro-current measurement channel of the reactivity meter, and the current mature micro-current measurement technology is integrated into the reactivity meter so as to produce the intrinsic improvement effect on the precision and the stability of the reactivity meter; and with the system adopting the image value to recognize the non-intrusive read nuclear instrument display value, the disadvantages of the hardware intervention, time-saving and easy mistake during human reading in the previous nuclear instrument data acquiring way are overcome, and the nuclear instrument display value can be recognized as the data only requiring the camera so as to achieve the real-time collection and sharing of the important data.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

On-line monitoring system of transformer winding

The invention provides an on-line monitoring system of a transformer winding. The on-line monitoring system of the transformer winding is used for accomplishing 24-way voltage and current signal conditioning, data acquisition, signal processing, reactance calculation and communication with a backstage control cabinet of the transformer winding based on a computer real-time data acquisition system. The 24-way voltage and current signal conditioning comprises 12-way voltage connection and conditioning and 12-way current connection and conditioning. Three American national instrument data acquisition cards PCI 6220 are used for synchronously collecting all signals in data acquisition. The on-line monitoring system of the transformer winding has the advantages of being capable of monitoring deformation of a winding by calculating short-circuit reactance of the winding of a main transformer of the converting station on line and in real time, providing important reference for maintenance of the converting station, applicable to field application, and being capable of being actually used in long-term operation, capable of providing rich monitoring functions which comprise input and output of effective values of voltage and current, wave form data, tendency charts of the reactance and the like, capable of providing flexible inquiry statistics based on designs of databases, and capable of enabling a user to review historical operation through rich and various data display forms.
Owner:STATE GRID ZHEJIANG HANGZHOU CITY FUYANG DISTRICT POWER SUPPLY CO LTD +2
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