摘要:
Provided is a method for measuring surface characteristics of at least a portion of an object, including providing a light source; generating a first interference pattern on the at least a portion of the object; capturing an image of the first interference pattern; shifting the phase of the light source to generate a second interference pattern; capturing an image of the second interference pattern; filtering distortion from the interference patterns; extracting a wrapped phase of the at least a portion of the object based on the images; unwrapping the wrapped phase of the at least a portion of the object to generate an unwrapped phase; identifying a computed depth map distance to the at least a portion of the object; and fitting an ideal part to the computed depth map of the at least a portion of the object to measure the surface characteristics.
摘要:
A cable for transmitting electricity may include a core including a first conductive material, a core shield surrounding the core, an insulation layer surrounding the core shield, the insulation layer comprising a material providing electrical insulating properties, an insulation shield surrounding the insulation layer; and at least one of the following at least partially surrounding the insulation shield: (a) a bedding layer including a first semi-conductive material, (b) a tape layer including a metallic tape intercalated with an insulating tape, and (c) a protection layer.
摘要:
A sensor to monitor health of surge arresters such as metal oxide arresters is disclosed. The sensor includes a housing; a sensor assembly contained in the housing, the sensor assembly including an electronics board to receive, transmit, process, and store signals; and a voltage measurement strap extending around a periphery of the housing, the voltage measurement strap being electrically connected to the electronics board and configured to measure voltage using electric field.
摘要:
A method for providing a virtual Wi-Fi network with secure tunnel provisioning is disclosed. The method provides a reliable, persistent connection between wireless communications enabled devices located at a user's premises and a service provider, and includes the steps of using a software code running on a computing device to pass instructions including a remote server address to an Application Programming Interface (API) running on a wireless router connected to the computing device through a Local Area Network (LAN); using the wireless router to establish a secure communication session with the remote server through a Wide Area Network (WAN); receiving at the wireless router through the WAN parameters required to set up a wireless Virtual Local Area Network (VLAN); and using the router, establishing a wireless VLAN at the user's premises and connecting the wireless VLAN to the remote server through the WAN using a secure tunnel connection.
摘要:
A cleaner and method for maintaining bearings, bushings, linkage pins and chains used in various types of machinery, including industrial machinery is disclosed. The cleaner is effective to rejuvenate spent grease and includes a polar fraction, a miscible non-polar fraction, and a non-ionic surface activating agent.
摘要:
An apparatus and method for measuring geomagnetically induced currents (GIC) is disclosed. The apparatus is configured to measure GICs temporarily flowing in high-voltage, 60 Hz power transmission conductors, and includes a securing means for securing the apparatus to the power transmission conductor. The apparatus further includes a flux concentrator having a toroidal ferrite core and winding wound around the core configured to capture a magnetic field from the power transmission conductor; a hall-effect sensor assembly configured to receive the magnetic field from the flux concentrator and produce a voltage signal corresponding to the magnetic field; and an electronics module configured to receive the voltage signal from the hall-effect sensor assembly, conduct measurements, and transmit the measurements to a local access point.
摘要:
An overhead conductor sensor for measuring various parameters that affect an overhead conductor is disclosed. The overhead conductor sensor includes an electronics housing having first and second opposing ends, a jaw assembly having a first jaw connected to the first end of the electronics housing and a second jaw pivotally attached to the first jaw to allow the jaw assembly to move between an open position for receiving an overhead conductor therein and a closed position for securing the sensor to the overhead conductor, and a thermocouple assembly electrically connected to electronics housed in the electronics housing and extending through the jaw assembly for engagement with the overhead conductor. The thermocouple assembly is adapted to measure a temperature of the overhead conductor.
摘要:
A method of processing ion exchange resin radioactive waste, wherein the radioactive waste contains a plurality of fractions of radioactive waste based on density, which may include cation resin waste and anion resin waste, wherein at least one of the plurality of fractions comprises a total concentration of at least one radionuclide, including performing at least one of the following operations (i), (ii) or (iii): (i) separating the at least one of the plurality of fractions from the radioactive waste utilizing a moving freeboard; (ii) separating the radioactive waste into cation resin waste and anion resin waste; or (iii) removing at least a portion of the total concentration of the at least one radionuclide from: the radioactive waste; the at least one of the plurality of fractions separated by the moving freeboard; or at least one of the radioactive waste, the cation resin waste or the anion resin waste.
摘要:
An apparatus and method for assessing subgrade corrosion is disclosed. The apparatus is configured to assess soil corrosivity and subgrade corrosion of a structure without disturbing the site where the structure resides and includes a probe having a plurality of electrodes and sensors configured to conduct environmental and corrosion measurements at the site, and a controller having a potentiostat contained therein to determine a corrosion rate at the site, wherein the corrosion rate provides an indicator of the amount of corrosion of the structure over time.
摘要:
An insulator inspection tool and method for identifying defects or conditions that may prevent the insulator from performing properly is disclosed. The apparatus includes a launcher adapted to launch a projectile towards an insulator being tested, a listening device adapted to receive a response signal from the insulator upon being struck by the projectile, and a processing device adapted to measure the response signal received by the listening device and process the response signal to determine whether the insulator contains any defects or conditions.