...Muhammad Taimoor; Xiao Lu; Hamid Maqsood; Chunyang Sheng Purpose The objective of this research is to investigate various neural network (NN) observer techniques for sensors fault identification and diagnosis of nonlinear system in consideration of numerous faults, failures, uncertainties...

..., since this removes the usual restrictive assumption that the vehicle is undergoing a non‐accelerated maneuver. Design/methodology/approach MARG (magnetic, acceleration and rate gyros) sensors constitute the basic hardware, which are integrated by the Kalman filter. The error dynamics for attitude...

... © Emerald Group Publishing Limited 2009 Signal processing Rotational motion Sensors All three kinds of optical gyros, the IFOG, the resonator FOG (RFOG), and the RLG are based on the Sagnac effects, as shown in Figure 3 . This phenomenon predicts that two optical beams traveling...

... and gives valuable information and guidelines which help management decisions of aerospace organization. The sensitivity the sensor has for recording variations in the electromagnetic spectrum (http://directory.eoportal.org/info_EO1EarthObservingl.html ; http://directory.eoportal.org/pres_Landsat5...

... method based on an unknown input observer is used for residual generation and applied to detect and isolate a faulty sensor. A bank of robust unknown input observers estimates the state variables of the system and gathers necessary information for fault detection and isolation purposes. Findings...

...Chen Li; Chongzhao Han; Huimin Chen; Hongyan Zhu Purpose This paper seeks to examine the dynamic problem of associating measurements at a given period from several IR sensors in the presence of clutter, missed detections. Design/methodology/approach On the basis of a dynamic S‐D assignment...

... © Emerald Group Publishing Limited 2006 --> Product testing Sensors RFID and sensor test facility Keywords: Product testing, Sensors Microsystems has announced that it has combined its RFID Test Center with the Sun Advanced Product Testing (APT) environmental...

... that the virtual attitude sensors are used by failure detection and reconfiguration subsystem and as a standby attitude reference system for general aviation aircraft equipped with augmentation control system applied for improving safety and efficiency handling qualities of aircraft. Originality/value...

...Roger Blaser The high‐resolution standard proximity sensor (HRSPS) is a true contact‐less eddy current displacement measuring system qualified for high‐reliability satellite applications. It is also available in an 883B flight version for micro‐gravity and for the International Space Station (ISS...

... © MCB UP Limited 2003 --> Sensors Optics Optical fibre for sensing structures Keywords: Sensors, Optics With the embedding of optical fibre (OF) sensors it is possible to create integrated sensing structures. These systems make it possible to monitor changes...

... © MCB UP Limited 2002 --> Sensors Rotor Electronics Keywords: Sensors, Rotor, Electronics The new, 360 degree, sealed, non-contacting rotary sensor from BEI Duncan Electronics is only 8mm thick. The Ultra Thin NCAPS sensor has been developed to provide a cost...

... © MCB UP Limited 2002 --> Scanners Sensors Keywords: Scanners, Sensors 3D Scanners Ltd, a major company in non-contact three-dimensional scanning,has introduced an enhanced version of its ModelMaker W system, designed specifically for applications where greater detail...

... © MCB UP Limited 2002 --> Sensors Helicopters Keywords: Sensors, Helicopters Schaevitz Sensors, a division of Measurement Specialties Inc, is celebrating almost 30 years working with Westland Helicopters Ltd, an AgustaWestland company, with the introduction of a new...

...,MotionPak 11 has an internally mounted temperature sensor, should thermal compensation be desirable in the application. All connections are made via a standard 25 way "D" type socket. The unit weighs 1.26Kg, has a small footprint 128mm wide by 113mm high, and is 117mm deep. Four fixing ears on the base...

...   Plate 7 The Class II SLS 5325/400 sensor Based on the principle of laser triangulation, the sensor has a totally integrated sensor within the head and a built- in processor for data averaging and filtering. A novel dynamic laser feedback loop reportedly allows accurate...

... © MCB UP Limited 2000 --> Honeywell CD-ROM Catalogues Sensors Honeywell CD-ROM free from Aerco Keywords Honeywell, CD-ROM, Catalogues, Sensors Honeywell's latest Sensing and Controls catalogues are now available free on CD-ROM from distributor Aerco (Plate 20...

.... In use the BoltSafe device measures the compressive force between the nut and the joint surface through the washer body. Made from an amorphous ribbon alloy sensor material that is cooled rapidly from a liquid using cryogenic materials at a rate of more than 1,000,000°C/sec. It utilises an application...

... The sensor is based on a design of the Technical University of Berlin. Kayser-Threde, however, further developed the sensor especially for commercial and national space projects. Owing to purposive "design to cost management" this series product now offers a cost/effect ratio optimized...

... © MCB UP Limited 1998 --> Aerospace Catalogue Sensors Short Form Catalogue Keywords Aerospace,Catalogue, Sensors Inertial Aerosystems Ltd have introduced a new short form catalogue, outlining details of their innovative high-tech product ranges, directed towards...

... Ultrasonic leak detector Keywords Leakage,Qualitek, Sensors The new Q180 from Ai Qualitek is an accurate ultrasonic leak detector for large volume enclosures(Plate 7). Escaping air or gas, even at low pressure, emits a noise which is often inaudible to the human ear. The Q180...