Abstract: A vehicle, a satellite control system, and a method for controlling the same are provided. The satellite control system, for example, may include, but is not limited to, a control moment gyroscope having a gimbal, at least one gimbal angle sensor configured to determine an angle of the gimbal, each gimbal angle sensor having an output circuit configured to output the determined angle, a signal conditioner circuit having substantially identical circuit topology as the output circuit, and a common mode error compensation circuit electrically coupled to the signal conditioner, the common mode error compensation circuit configured to determine common mode error in the gimbal angle sensor based upon a voltage output from the signal conditioner circuit and to output a signal to compensate for the common mode error.

Abstract: A failure detection device includes a formaldehyde sensor that detects the generation of formaldehyde, a vibration sensor that detects vibration of a spindle head, and a machine controller that detects the occurrence of an abnormality of a spindle bearing. The machine controller determines the occurrence of the abnormality of the spindle bearing and a cause of the abnormality based on a change in the output value of the formaldehyde sensor over time and a change in the output value of the vibration sensor over time.

Abstract: A downhole tool measurement device mounting system includes a chassis with a body and a chassis axis extending through the body. A monolithic assembly is mounted on the body of the chassis. The monolithic assembly includes a sensor mounted in a block. The monolithic assembly is mounted on the body of the chassis parallel to the chassis axis such that a sensing axis of the sensor is offset from a center of the body of the chassis.

Abstract: A method and an arrangement is provided for measuring the tightness of a core composed of laminated sheets used in an electric machine. The method for measuring the tightness of a core of an electric machine composed of sheets, includes supplying a sound wave to the core, measuring the speed of the sound wave in the core, and deducing the tightness of the core from the measured data. The arrangement to measure the tightness of a core of an electric machine composed of sheets, includes a hammering system to pound at the core for generating a sound wave in the core, at least two accelerometers arranged at the core at an axial distance for measuring the speed of the sound wave, and a computer to deduce the tightness of the core from the measured data.

Abstract: The invention generally provides devices and methods for sampling, detecting and/or characterizing particles, for example, via collection, growth and analysis of viable biological particles such as microorganisms. Devices and methods of the invention include particle samplers and impactors for collecting and/or analyzing biological particles in manufacturing environments requiring low levels of particles, such as cleanroom environments for electronics manufacturing and aseptic environments for manufacturing pharmaceutical and biological products, such as sterile medicinal products. Devices and methods of the invention incorporate an integrated sampler and impact surface, such as the receiving surface of a growth media, in a manner to minimize, or entirely eliminate, risks associated with user handling, such as the occurrence of false positive determinations due to contamination of the impact surface during particle sampling, growth or analysis processes.

Abstract: A component-embedded substrate includes a multilayer body including a plurality of insulating layers stacked in a stacking direction, an embedded component embedded in the multilayer body, and planar conductors disposed on both sides of the embedded component in the stacking direction, the planar conductors overlapping the embedded component. The planar conductors each include a plurality of openings that overlap the embedded component over substantially the entire region occupied by the embedded component, as seen in the stacking direction.

Abstract: The sensor includes a filter member including cells that trap PM in exhaust gas, electrode members arranged to face each other with the cell interposed and forming a capacitor, an electric heater that executes, when an amount of PM has accumulated in the cells, filter regeneration for combusting and removing the PM, a temperature sensor that acquires the temperature of the filter member, a storage unit that stores therein a reference temperature, which is the temperature of the filter member where the filter regeneration has been executed in a state in which PM is not flowing into the filter member, and estimation units that estimate a PM amount included in the exhaust gas based on (a) an electrostatic capacitance change amount between the electrode members during a regeneration interval and (b) a difference between the temperature acquired by the temperature sensor and the reference temperature during a filter regeneration interval.

Abstract: A method for measuring the concentration of at least one gas from a gas sample by a sensor system (10) which has a measuring area (12) with at least one gas sensor (14), wherein the inlet of the measuring area (12) being closed by a gas-permeable structure (13) such that the volume of the measuring area (12) is initially heated up, the heating is then switched off and the change in resistance of the at least one gas sensor (14) is measured.

Abstract: A detection apparatus used for detecting an object includes a first platform, a second platform and a plurality of screws. The first platform includes a plurality of first circuit boards that are joggle jointed and combined with each other, at least part of the first circuit boards are electrically connected to each other, and a carrying table for carrying the object to be detected is disposed on the first platform. The second platform includes at least one second circuit board, a detection module being disposed on the second platform for detecting the object, and the detection module is electrically connected to at least a part of the second circuit board. The screws are connected between the first platform and the second platform. The detection apparatus is mainly made by joggle jointing the circuit boards, so that the manufacturing is easy, costs are low, and the detection apparatus is easy to assemble, has small volume and light weight, and is convenient to carry.

Abstract: An assembly includes a sensor configured to obtain a data scan of a joint. A controller is operatively connected to the sensor. The controller includes a processor and tangible, non-transitory memory on which is recorded instructions for executing a method for automated quality assessment of the joint. Execution of the instructions by the processor causes the controller to: obtain the data scan of the joint (via the sensor) and generate a first image based on the data scan. The first image is divided into a plurality of pixels having respective numeric values. The controller is programmed to identify a region of interest as the plurality of pixels from the first image with a respective numeric value greater than a threshold value (I0). The controller is programmed to assess joint quality based on a porosity factor (PF) determined at least partially from the data scan.

Abstract: A combination temperature and low water sensor includes a body configured to penetrate the wall of a hydronic furnace. A detection tip is attached to the body and extends into the furnace when the temperature sensor penetrates the wall. The detection tip is electrically conductive and defines a tip interior volume. A temperature sensor is disposed within the interior volume of the detection tip. Both the detection tip and the temperature sensor are configured for electrical connection to a furnace control system.

Abstract: A method and device are described for making in situ measurements of the density and viscosity of downhole fluids at subterranean wells. An oscillator circuit is deployed in the well comprising an amplifier, a feedback loop, and an electromechanical resonator. The electromechanical resonator is a component in the feedback loop of the oscillator circuit, and has a resonance mode that determines the frequency of the oscillator circuit. The electromechanical resonator is also in contact with the fluid such that the density and viscosity of the fluid influence the resonant frequency and damping of the resonator. The frequency of the oscillator is measured by a microcontroller. In one embodiment, the oscillator circuit periodically stops driving the electromechanical resonator such that the oscillation decays and the rate of decay is also measured by the microcontroller. The density and viscosity of the fluid are determined from the frequency and rate of decay of the oscillation.

Abstract: A flow rate verification unit that uses the pressure variation value per unit time of a pressure measurement value measured by a pressure gauge and a temperature measurement value measured by a thermometer in a state where a second shut-off valve is closed to calculate the volume between a flow-rate control valve and the second shut-off valve and verifies the flow rates of mass flow controllers one at a time, wherein a first verification side connection part attachably and detachably connected to an integrated gas unit is provided upstream from the pressure gauge and a serially connected verification gas input valve, verification side mass flow controller, and verification side flow rate control valve are provided in parallel with the second shut-off valve.

Abstract: The invention relates to a test disc system having at least one test disc for testing the seal of a glove which is installed in a port of an insulator. The test disc (1) can be connected in a hermetically sealed fashion to the port, wherein the glove encloses with the test disc (1) a glove volume which can be placed under overpressure by the test disc (1). The test disc (1) has a base body in which electronic components for recording and storing a pressure profile in the glove volume, and at least one data interface are arranged. The test disc (1) also has a reading device for reading both a first identification element which is arranged on the glove and a second identification element which is assigned to the port.

Abstract: The present invention provides a pipe structure including: a pipe through which a gaseous body having a higher temperature than a temperature of a surrounding atmosphere flows; a cover that covers an outer peripheral portion of the pipe, and defines a plurality of vents from which the gaseous body leaking from the pipe flows out; and a guide member that guides the gaseous body flowing out from the vent toward a line-shaped sensor that passes a position corresponding to each of the plurality of vents, and is sensitive to a temperature or a concentration of a gaseous body outside the cover.

Abstract: A method includes the following: an incidence step in which ultrasonic waves from an insertion side and the side opposite thereto of a tool are caused to be incident on a joint part when a workpiece is joined by the tool that has a probe and a shoulder which supports the probe and that is for friction stir welding; an image acquisition step for obtaining an ultrasonic wave transmission image of the joint part using the ultrasonic waves; and a determination step for determining that the joint part has been joined if width-dimensions of the joint part obtained from the ultrasonic wave transmission image are equivalent to at least the outer diameter d of the probe and if no defect of a prescribed size or greater is found in a range equivalent to the outer diameter D of the shoulder or less in the ultrasonic wave transmission image.

Abstract: A magnetic level indicator includes a fixed base and a plurality of magnetic elements. The fixed base includes two lateral plates corresponding to each other, a block portion extending from a bottom edge of each of the two lateral plates and an installation space between the two lateral plates. The magnetic elements are pivotally arranged in the installation space and are arranged along an extension direction of each lateral plate. Each of the magnetic elements includes a first surface and a second surface corresponding to each other and includes two stop plates placed corresponding to each other between the first surface and the second surface. The first surface includes a first indication mark, and the second surface includes a second indication mark different from the first indication mark.

Abstract: For estimation of the gas emission amount from a storage tank for storing a liquid containing the volatile compounds therein, preconditions involving a tank shape of the fixed roof type storage tank and a working pressure of a relief valve are set in a first step, and initial conditions for storage volumes, temperatures, and pressures of the liquid and a gas inside the storage tank are set in a second step. In a third step, an inflow or outflow heat quantity to or from the liquid and the gas inside the storage tank is determined so that a mass transfer amount between the liquid and the gas is obtained through CFD analysis. In a fourth step, whether or not the relief valve is actuated and the gas emission amount through the relief valve are obtained based on the mass transfer amount.

Abstract: Particulate matter (PM) sensors and diagnostics performed using the PM sensors are disclosed. The PM sensors and diagnostics may be used in exhaust systems, such as vehicle exhaust systems, to detect soot. In at least one embodiment, an electrostatic particulate matter (PM) sensor is provided including first and second spaced apart electrodes forming a bulk gap therebetween having a bulk distance and a localized gap therebetween having a localized distance less than the bulk distance. A controller may be configured to control a voltage between the electrodes to induce an electrostatic discharge at the localized gap at a lower voltage than at the bulk gap. Various diagnostics may be performed using the disclosed PM sensors, including a wiring/continuity diagnostic, a soot detection plausibility diagnostic, and/or an installation diagnostic.

Abstract: A test sub having a housing with a first end, a second end, a bore, and an exterior portion of the housing including a coiled tubing connector may be used to test a connection with coiled tubing. The test sub includes a valve positioned within the bore. The second end of the housing may be inserted into coiled tubing and fluid may be pumped into the housing to test the connection between the connector and the coiled tubing. The test sub may be a housing that may be attached to a coiled tubing connector already connected to coiled tubing. A rod within the housing may be moved to an inserted position permitting communication between a pressure port of the housing and an exterior port of the coiled tubing connector. Fluid may be pumped into the pressure port to test the connection between the coiled tubing connector and the coiled tubing.