Abstract:
Systems, apparatus and methods are provided for measuring moving vehicle information. Moving vehicle information may be measured by a sensor configured to respond to one or more wheels of the vehicle, where one or more of the wheels changes the characteristic impedance of the sensor at the wheel's contact location. An electrical time domain reflectometry signal processing system which is capable of measuring the change in the impedance of the sensor and converting the impedance change to a signal may be connected operatively to the sensor. A data-processing system receives the signal and extracts the vehicle information therefrom.
Abstract:
The present invention relates to a method for evaluating a residual stress by using an instrumented indentation test technique, a storage medium storing a computer program including the same, and an indentation test apparatus for performing an instrumented indentation test by operating the storage medium, and according to an embodiment of the present invention, even if a state that a material has no residual stress does not exist, it is possible to evaluate a residual stress.
Abstract:
A method of designing and manufacturing apparatus. The method comprises: creating a design space; analysing expected loads acting on the design space to calculate a first load path within the design space; analysing expected loads acting on the design space when the apparatus is in a damaged state to calculate a second load path within the design space; selecting a region ofthe second load path which falls outside the first load path; and creating a final design which includes:a primary structure falling within the first load path; and a damage indication feature falling within the selected region. The damage indication feature is designed to provide a visual indication when the load transmitted by the damage indication feature exceeds a threshold. The load generates a stress in the primary structure which exceeds the stress in the damage indication featureuntil the primary structure becomes damaged, at which point the load generates a stress in the damage indication feature which exceeds the stress in the primary structure.
Abstract:
A method for customizing the fit of a saddle to a given horse and apparatuses thereof. The method comprises a step of inserting under a saddle disposed on the horse's back, a cushion pad previously shaped to uniformly distribute the pressure of the saddle on the horse. The method may further comprise a step of shaping the cushion pad by disposing on the horse's back an impression pad which contains a putty-like material to imprint the relief pattern of the pressure distribution of a saddle disposed on the horse's back. This is followed by setting the saddle on the impression pad, by riding the horse to imprint a relief pattern of the pressure distribution of the saddle on the impression pad, and by shaping the cushion pad by reproducing the relief pattern of the impression pad.
Abstract:
Systems, apparatus and methods are provided for measuring moving vehicle information. Moving vehicle information may be measured by a sensor configured to respond to one or more wheels of the vehicle, where one or more of the wheels changes the characteristic impedance of the sensor at the wheel's contact location. An electrical time domain reflectometry signal processing system which is capable of measuring the change in the impedance of the sensor and converting the impedance change to a signal may be connected operatively to the sensor. A data-processing system receives the signal and extracts the vehicle information therefrom.
Abstract:
The invention relates to an electronic micro-sensor for pressure and temperature measuring. The sensor function is based upon the piezo-resistivity of resistance elements, buried near the surface of a semi-conductor material. The sensor is particularly suitable for pressure measurement in the GPa range and above. Pressure and temperature sensors may be integrated in the tip of a semi-conductor test body, in particular, by means of focussed ion implantation. Such conically formed test bodies (Indenters) can be used for the investigation of mechanical and thermal material properties (hardness, thermal conductivity and heat capacity). With regard to the above applications a particularly suitable, intrinsically semi-conducting, super-hard material is diamond.
Abstract:
A method for customizing the fit of a saddle to a given horse and apparatuses thereof. The method comprises a step of inserting under a saddle disposed on the horse's back, a cushion pad previously shaped to uniformly distribute the pressure of the saddle on the horse. The method may further comprise a step of shaping the cushion pad by disposing on the horse's back an impression pad which contains a putty-like material to imprint the relief pattern of the pressure distribution of a saddle disposed on the horse's back. This is followed by setting the saddle on the impression pad, by riding the horse to imprint a relief pattern of the pressure distribution of the saddle on the impression pad, and by shaping the cushion pad by reproducing the relief pattern of the impression pad.
Abstract:
A device (10) for monitoring the fatigue life of a structural member is comprised of at least one and preferably a plurality of substantially flat, elongated coupons (12,14,16,18,20) which are fabricated of the same material as that of the member being monitored. The coupons (12,14,16,18,20) are secured in parallel to the member so that they all experience the same strain history as the member. Each of the coupons includes a different stress concentrating notch pattern so that the application of the same strain to all of the coupons (12,14,16,18,20) results in the development of different stress concentrations within the coupons. The development of different stress concentrations within the coupons (12,14,16,18,20) causes each coupon to have a different fatigue life, the fatigue life of each coupon (12,14,16,18,20) being a predetermined percentage of the fatigue life of the structural member being monitored.
Abstract:
Le témoin de fatigue comporte deux éléments épais ( 1 a-1b), qui sont écartés l'un de l'autre et réunis l'un à l'autre par un voile mince (2) muni d'une fente (4a ou 4b), ces deux éléments étant incorporés à la pièce ou fixés à celle-ci de manière à se déplacer l'un par rapport à l'autre dans un plan qui est parralèle au plan du voile. Les éléments épais (1a-1b) sont disposés de manière à être écartés l'un de l'autre dans une direction sensiblement perpendiculaire à leur direction de déplacement relatif lorsque la pièce travaille, le voile mince (2) étant ainsi soumis à un effort de cisaillement dans son plan; la fente (4a ou 4b) du voile mince (2) s'étend depuis l'un des bords du voile dans ladite direction de déplacement relatif, de sorte que, lorsque la pièce travaille, deux fissures (9) apparaissent à partir des extrémités du fond de la fente, s'étendent progressivement dans le voile, et finissent par atteindre le bord opposé du voile ou rejoindre des fissures issues de ce bord opposé, la zone centrale (5) du voile (2) étant ainsi détachée.