Abstract: In one example, a method includes receiving one or more test scenarios based on requirements for a system under test having one or more inputs, wherein a value for at least one input of the one or more inputs is undefined for at least one test scenario of the one or more test scenarios. The method further includes determining system intermediate values and system output values that are unambiguously derivable from defined system inputs for the one or more test scenarios. The defined system inputs are defined in the one or more test scenarios and not assumed or default input values. The method further includes determining coverage of one or more functional characteristics of each function of the system under test executed based on the defined system inputs. The method further includes validating the determined system output values that are unambiguously derivable from the defined system inputs.

Abstract: Techniques are provided for symmetrically locating optical emitters in a surface of a ferrule. Such symmetrical displacement of each pair of optical emitters diminishes differences in path lengths through which optical signals propagate in an optical interferometer with tilted input and/or output surfaces.

Abstract: Methods, apparatuses and computer program products for movement of rectangular prisms in a multi-dimensional space are provided.

Abstract: Methods of recovering iodine (I2) from a stream including iodine (I2) vapor and at least one of: an inert gas and water vapor can include contacting the stream with an alkaline solution to form an iodide salt, contacting the stream with an adsorbent to selectively adsorb water from the stream, contacting the stream with a concentrated acid to absorb the water vapor from the stream, desublimating or condensing the iodine (I2) vapor to form solid or liquid iodine (I2), or contacting the stream with a material to condense or de-sublimate the iodine (I2) vapor from the stream as the material at least one of: absorbs latent heat through a phase change of the material and absorbs sensible heat.

Abstract: Systems and methods for strobe-light-based navigation are provided.

Abstract: Various embodiments are directed to, but not limited to, a magnetometer comprising a ring resonator and an absorbent material disposed in the ring resonator. The absorbent material is configured to absorb pump light propagating in the ring resonator when excited. By absorbing the pump light, the intensity of the output probe light from the ring resonator decreases, which is utilized to determine one or more characteristics of an external magnetic field.

Abstract: An example method includes forming an interlayer on a carbon fiber fabric to form a composite fiber fabric. The interlayer comprises a binder. The method further includes winding the composite fiber fabric around a core to form a composite fiber preform comprising a plurality of layers defining an annulus extending along a central axis. The method further includes densifying the composite fiber preform.

Abstract: A system includes a gas meter to measure gas consumption and flow downstream for a gas regulator. The system also includes the gas regulator with an inlet connected to an upstream pipeline and an outlet connected to the gas meter. The system also includes a pressure sensor positioned within the gas meter to measure outlet pressure of the gas regulator. The gas meter is able to derive upstream pressure without an additional pressure sensor on an inlet side of the gas regulator by combining the measured gas flow and a measured regulator outlet pressure with a characterization curve of the gas regulator showing a relation between input pressure to the output pressure and to the gas flow.

Abstract: A smart fall arrest system is provided and includes a fall arrest device and an intelligent module fixed to the fall arrest device. The intelligent module includes a range finder, a user alert device, a processor and an accelerometer module. The processor is configured to determine a vertical clearance distance underlying a worksite based on signals from the range finder and the accelerometer module, the processor determines if the fall arrest device is appropriate and if the anchor point selected for connecting the fall arrest device is at an appropriate height.

Abstract: Systems and methods are provided for augmented reality during an automated site survey of a building using an unmanned aerial vehicle so that results of the site survey are substantially consistent, irrespective of whether the site survey is conducted when the building is bare or after systems and devices in the building are installed. Some methods can include retrieving a building information model of the building from a database device, receiving user input and, responsive thereto, transmitting navigation signals to the unmanned aerial vehicle to maneuver to a site survey position in the building and transmitting command signals to the unmanned aerial vehicle to conduct a RF test at the site survey position and return site survey results, and calculating signal degradation for the site survey position as a function of the site survey results and the building information model.

Abstract: A method for lubricating a surface of an object comprises generating and directing a laser beam to strike the surface of the object to create an oxide area on the surface struck by the laser beam; and applying a dry film lubricant to the oxide area.

Abstract: A flow conditioner includes a group of flow conditioning units including a first flow conditioning unit and a second flow conditioning unit. The flow conditioner also includes a mixing space for developing a flow. The mixing space is located between the first and second flow conditioning units. One of the first or second flow conditioning units can include one or more of a shaper or a reducer, and the other of the first or second flow conditioning units can include one or more shapers.

Abstract: Methods, devices, and systems for pairing with an aspirating smoke detector device are described herein. One device includes a wireless module, a buzzer; and a controller. The wireless module can be configured to receive a connection request from a mobile device, and the controller can be configured to generate a temporary key (TK) having a plurality of digits, cause the buzzer to produce a buzzer signal including a plurality of portions corresponding to the plurality of digits of the TK, receive, via the wireless module, an indication of the TK determined by the mobile device based on the buzzer signal, and communicate with the mobile device to complete a pairing with the mobile device using the TK.

Abstract: A vegetation management system includes a computing system including a processor having an associated memory that is configured for implementing a vegetative modeler including an image analyzer and at least one 3-dimensional (3D) vegetation growth model. The vegetative modeler is for analyzing images of vegetation that is growing around electrical power lines of an electric utility including identifying locations of the vegetation relative to locations of the electrical power lines and to identify specific types of the vegetation. The 3D vegetation growth model utilizes at least the locations of the vegetation relative to the locations of the electrical power lines and the specific types of the vegetation to generate a predicted timing of encroachment of the electrical power lines by the vegetation to identify future encroachment areas. A scheduler is for scheduling vegetative maintenance of the vegetation for the future encroachment areas.

Abstract: Systems and methods for industrial tower packing using a high-energy laser surface processing technique are disclosed. The system includes a tower, a high-energy laser, a plurality of packing materials, and micro-sized or nano-sized structures on a packing material. The high-energy laser surface processing technique creates microscale structures that allow for high surface wettability. The high-energy laser creates micro-sized or nano-sized structures on a plurality of packing materials surfaces. The packing materials may be provided in industrial columns. The packing materials may be various shapes and sizes comprising various structures ablated into a surface of the packing materials to generate high surface area contact between a downward-flowing liquid and an upward-flowing gas. The use of a high-energy laser surface processing results in favorable super-wettable column packing material and geometry.

Abstract: A system comprises a GNSS sensor onboard an aerial vehicle; a monitor warning system (MWS) that determines whether the vehicle is in a GNSS denied environment; and a flight management system that includes a landing guidance module, and a database having location coordinates of landing sites. Onboard vision sensors and a radar velocity system (RVS) communicate with the guidance module. When the MWS determines that the vehicle is in a GNSS denied environment, the guidance module calculates an optimal flight path by receiving image data from the vision sensors; receiving position, velocity and altitude data from the RVS; receiving location coordinates of a landing site; processing the image data, and the position, velocity and altitude data, to determine a location of the vehicle and provide 3D imaging of a route to the landing site; and calculating a flight path angle to the landing site, using vehicle and landing site coordinates.

Abstract: An atomic inertial interferometer comprises a laser that emits a CW beam; a modulator that modulates the CW beam; a filter and delay mechanism that receives the modulated beam, and includes a first pathway and a second pathway longer than the first pathway; a comb generator that receives the modulated beam, and produces a frequency comb; and a comb drive coupled to the comb generator to generate a multiple of a comb repetition rate, the comb drive including a HF source coupled to a bandpass filter. A vacuum cell holds a sample of cold atoms. The frequency comb counter-propagates with respect to the modulated beam to provide velocity slicing of the cold atoms such that a given temperature distribution of the cold atoms is sliced into a plurality of narrow temperature distributions that are probed individually and in parallel, to extract an interference signal from the narrow temperature distributions.

Abstract: An electrical circuit and a method of operating the electrical circuit can include a group of transistors including one or more of a first transistor and a second transistor, wherein the first transistor is electronically connected to an input and an output of the electrical circuit, and the second transistor is electronically connected to the first transistor and the output. The electrical circuit can also include a group of resistors including a first base resistor and a second base resistor, wherein the first base resistor is electronically connected to a voltage supply, the first transistor, the second base resistor and one or more diodes. The electrical circuit may also include one or more capacitors electronically connected to the input, the first transistor, the second transistor, and the diode(s) and the output, such that an output voltage at the output is approximately double the supply voltage of the electrical circuit.

Abstract: A system and method for securing a device of an industrial process control and automation system comprises setting a lock code in a device index of the device and executing a monitoring software program that reads the lock code and sets the device in a locked state. An enforcement software program prevents changes to the configuration and firmware of the device when the device is in the locked state. The device is further arranged to be released from the lock state by setting an unlock code in the device index and executing the monitoring software program to read the unlock code and set the device in an unlocked state.

Abstract: Various embodiments are directed to a radar reflector configured for radar-based distance measurements for determining a position of an elevator car within an elevator shaft. The radar reflector comprises three or more triangular panels defining a pyramidal frustum volume having a base plane and an upper plane that are parallel. The pyramidal frustum volume is configured to directly reflect radar signals originating from a radar transceiver back to the radar transceiver based at least in part on the triangular panels being mutually perpendicular at a projected apex above the upper plane. The reflected radar signals reflected by the radar reflector have substantially parallel trajectories with the original, pre-reflected radar signals emitted by the radar transceiver. The triangular panels of the radar reflector being mutually perpendicular advantageously maintains direct reflection of radar signals in spite of any potential horizontal tilt of the radar reflector to a certain extent.