Abstract:
본 발명은 구조가 단순하여 제작 및 설치가 용이한 타이어 얼라인먼트 검출장치에 관한 것으로서, 특히, 타이어의 변형 상태와 타이어의 정렬 상태를 카메라로 검출하여 컴퓨터를 통해 분석하고 모니터링할 수 있게 함으로써 조작이 용이한 타이어 얼라인먼트 검출장치에 관한 것이다.
Abstract:
Systems and methods for improving the uniformity of a tire using convolution/deconvolution-based uniformity parameter estimates of a tire are provided. For instance, convolution can be used to estimate radial force variation from one or more uniformity parameter measurements, including radial run out parameter measurements. Deconvolution can be used to estimate radial run out from one or more uniformity parameter measurements, including radial force variation parameter measurements. The estimated uniformity parameter can be estimated from the uniformity parameter measurements using one or more models. The one or more models can represent an estimated radial uniformity parameter at a discrete measurement point as a weighted sum of the measured radial uniformity parameter at the discrete measurement point and one or more selected measurement points proximate the discrete measurement point. The measurement points can be selected based on the contact patch length of the tire.
Abstract:
The present invention comprises methods and apparatus for inspecting a tread. Such methods include providing a tread having a top side and a bottom side, one of the top and bottom sides including a tread feature extending into the thickness of the tread. Such methods further include bending mechanically a transverse extent of the tread relative the tread thickness along a portion of the tread to be inspected about a bending member to form a bent portion of the tread, the portion of the tread to be inspected including the tread feature such that the step of bending expands the tread feature to further expose a depth of the tread feature within the thickness of the tread for inspection. Such further methods include constraining the tread on opposing sides of the portion of the tread to be inspected to maintain the bent portion of the tread in a bent arrangement.
Abstract:
Provided is a method for preparing a test sample comprising, providing a CNC machine; providing a cured tire comprising, a tire component at least partially covered by an external component, or a tire component at least partially covered by an internal component; and using the CNC machine to separate the tire component from the cured tire by either removing part of the external component, or removing part of the internal component.
Abstract:
Methods and systems for improving the uniformity of a tire by determining one or more high speed uniformity parameters of the tire are provided. The high speed uniformity parameters can be determined by continuously acquiring uniformity data while ramping the tire to and from high speeds. For instance, measured uniformity data can be continuously collected for the tire as the tire is increased to high rotational speeds and decreased from high rotational speeds. The measured uniformity data can then be analyzed to determine one or more high speed uniformity parameters for the tire. For instance, the measured uniformity data can be corrected for non-high speed uniformity contributions to the uniformity measurements, such as contributions resulting from non-uniformity of a road wheel use to load the tire during uniformity testing, contributions resulting from mass unbalance of the tire, and contributions from low speed uniformity parameters of the tire.
Abstract:
A system (10) for determining road force uniformity of a tire (T) is disclosed. The system (10) includes a plurality of imaging devices (12) and a computer (14) communicatively- coupled to the plurality of imaging devices (12). The plurality of imaging devices (12) images a plurality of surfaces (T SU , T SL , T T ) of the tire (T) as the tire-wheel assembly (TW) is rotated about an axis of rotation (A- A). The computer (14) receives images captured by the plurality of imaging devices (12) in order for the computer (14) to extract data from the images such that the computer (14) may execute a road force uniformity simulation algorithm for the purpose of algorithmically simulating road force uniformity of the tire (Τ).
Abstract:
The present invention comprises apparatus and methods for testing a tire on a wheel. Particular embodiments of such methods include providing a tire testing surface upon which the tire is to operate and a tire having a radially outer annular side including a road-engaging surface. The methods further include engaging forcefully a radially outer annular side of the tire with the tire testing surface to create a footprint constituting an area of contact between the tire and the tire testing surface, the footprint having a width extending in an axial direction of the tire. The tire is then rotated while engaged with the tire testing surface according to the prior step and a particulate is discharged from a particulate discharge outlet of a particular discharging device, the outlet having a length extending at least substantially across the width of the footprint.
Abstract:
A Smart Active Tyre Pressure Optimising System (SATPOS) comprising of Tyre Pressure Optimising System (TPOS) (102) and Tyre Pressure Control Units (TPCU) (104). SATPOS is a highly time sensitive design and technique that instantaneously senses and controls the tyre pressure particularly in imminent and inevitable critical driving situations to reduce emergency & high speed breaking distance, mitigate-loss of traction, hydroplaning, roll over or loss of stability, over & under steering, loss of control due to puncture by smartly sensing, perform context aware computing and directing the TPCU (104) to instantaneously control the tyre pressure in right time with right pressure on right tyres. TPOS (102) performs sensing, pre-computing, current computing for controlling the tyre pressure during critical situation, post computing to optimise tyre pressure after overcoming accordingly. SATPOS enhances vehicle traction and stability in critical driving situations.
Abstract:
A system for measuring tire pressure and temperature including a pressure sensor, a temperature sensor, a processor responsive to an output of the pressure sensor and the temperature sensor, and a display. The processor is configured to output a value on the display indicative of a measured tire pressure and an indication of measured tire temperature, wherein the indication of measured tire temperature comprises an indication of the result of a comparison between the measured tire temperature and a predetermined temperature value.