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382 results about "Observation unit" patented technology

A data point or observation is a set of one or more measurements on a single member of unit of observation. For example, in a study of the determinants of money demand with the unit of observation being the individual, a data point might be the values of income, wealth, age of individual, and number of dependents.

System and method for locating inspection robot in petrochemical plant

ActiveCN108225302AGuaranteed seamless positioningObservation synchronizationNavigation by speed/acceleration measurementsSatellite radio beaconingPetrochemicalGlobal Positioning System
The invention discloses a system and a method for locating an inspection robot in a petrochemical plant. The system comprises a global positioning system (GPS) observation unit, an ultra-wide bandwidth (UWB) observation unit, a visual observation unit, a laser observation unit, a mileage observation unit, a combination decision module, an inertial state estimation module, an available positioningobservation/strapdown inertial navigation system (SINS) combination module, and a positioning information fusion module. The GPS observation unit, the UWB observation unit, the visual observation unit, the laser observation unit and the mileage observation unit acquire the respective observation data and send same to the combination decision module; the combination decision module performs multi-layer map-based positioning by combining an environmental map model stored in an environmental model prior information module so as to determine available observation types; the available positioning observation/SINS combination module combines available observation data with a corresponding motion equation established by an inertial state estimation module, and the combined result is sent to the positioning information fusion module for carrying out final integrated pose estimation. The system and the method solve the problem of seamless positioning of the inspection robot which runs in various complicated regions of the petrochemical plant, and guarantee the continuity of a positioning process and the stability of the positioning result.
Owner:CHINA UNIV OF MINING & TECH +1

Abdominal observation device

InactiveUS20090299137A1Easy to disassembleMinimizing sterilization processSurgeryEndoscopesDisplay deviceSurgical department
A medical imaging device enables observation within the abdominal and pelvic cavity at a wide field of view and enables medical procedures to be carried out within the wide field of view. The medical imaging device includes a central assembly and a sterile disposable cover, which is slipped over the central assembly. The central assembly has a proximal portion, which remains outside of the abdominal cavity of the patient, and a distal portion, which is inserted into the abdominal cavity through a slit made in the abdominal wall by the surgeon. A first plurality of light emitting diodes is circumferentially distributed around the outer surface of the central assembly near the top of the distal portion and a reversibly inflatable balloon is circumferentially attached to the cover at the location of the first plurality of diodes. When the balloon is inflated and the first array of light emitting diodes is activated to produce light, then the light enters the interior of the balloon, is repeatedly reflected from the inner walls of the balloon until it eventually passes through the wall of the balloon at random angles thereby illuminating the entire interior of the abdominal and pelvic cavities. Also, a system includes the medical imaging device, an observation unit comprising a controller, a processor, and display; and a communicator between the medical imaging device and the observation unit.
Owner:WAVE GROUP +1
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