[특허]System and method for wheel assembly acoustical evaluation

Hunter Engineering Company

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특허 상세정보

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System and method for wheel assembly acoustical evaluation

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01M-017/02 B60C-099/00 G01M-017/013 B60C-023/06
미국특허분류(USC)	701/031.4; 701/032.1; 701/033.7; 073/146.2; 073/579; 073/593
출원번호	US-0946043 (2013-07-19)
등록번호	US-9026305 (2015-05-05)
발명자 / 주소	Meyer, Gregory F. Clasquin, Joel Strege, Timothy A.
출원인 / 주소	Hunter Engineering Company
대리인 / 주소	Polster, Lieder, Woodruff & Lucchesi, L.C.
인용정보	피인용 횟수 : 1 인용 특허 : 14

초록
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A vehicle service or inspection system including a load roller for applying a radial load to a vehicle wheel assembly consisting of a tire mounted to a rim, with at least one sensor for acquiring measurements of acoustical energy generated by the wheel assembly during loaded rotational movement. The vehicle service or inspection system is configured with a programmed processor to evaluate the acquired measurements to provide a measure of tire road noise, identification of tire defects, and/or identification of sources of noise, vibrations, or acoustical energy on the tire surface such as tire flat spots, cupping, bubbles, embedded foreign objects, or other defects. The processor is further configured with software instructions to utilize the acquired measurements to provide a consumer with a figure of merit associated with the acoustics of the tire undergoing testing.

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1. A vehicle wheel service system having a rotating spindle shaft for receiving a vehicle wheel assembly consisting of a wheel rim and tire mounted there on; the vehicle wheel service system further having a drive motor for rotationally driving the rotating shaft under control of a processing system and a controlled load roller for applying a generally radial load to an outer circumferential surface of the vehicle wheel assembly during rotation, comprising: wherein the processing system is further configured with a set of software instruction to obtain a measure of tire deformation acoustical energy, said tire deformation acoustical energy generated by the wheel assembly during rotational movement while said tire is continuously deformed under an applied radial load from the controlled load roller; andwherein the processing system is further configured with a set of software instructions to process said obtained measure of tire deformation acoustical energy to identify tire characteristics consisting of a relative tire loudness level, a measure of road noise, a surface non-uniformity, a representation of tire tread wear, and an inflation condition. 2. The vehicle wheel service system of claim 1 wherein said measure of tire deformation acoustical energy is retrieved from an accessible data storage. 3. The vehicle wheel service system of claim 1 wherein said one or more tire characteristics further consist of an indication of the presence of one or more tire defects or damaged regions. 4. The vehicle wheel service system of claim 1 wherein said processing system is configured with a set of software instructions to provide a visual display of said measure of tire deformation acoustical energy to an operator. 5. The vehicle wheel service system of claim 4 wherein said visual display is a numerical value. 6. The vehicle wheel service system of claim 4 wherein said visual display is a graphical representation. 7. The vehicle wheel service system of claim 1 wherein said processing system is configured with a set of software instructions to store said measure of tire deformation acoustical energy in an accessible data storage, together with at least one associated tire parameter selected from a set of tire parameters including tire brand, tire model, tire dimensions, tire inflation pressure, tire wear, tire service age, and tire placement location on a vehicle. 8. The vehicle wheel service system of claim 1 wherein said processing system is configured with a set of software instructions to compare said measure of tire deformation acoustical energy with one or more measurements of tire deformation acoustical energy stored in an accessible data storage, and to provide an operator with a visual display associated with said comparison. 9. The vehicle wheel service system of claim 8 wherein said one or more stored measurements of tire deformation acoustical energy are each associated with a different vehicle wheel assembly or tire. 10. The vehicle wheel service system of claim 8 wherein said one or more stored measurements of tire deformation acoustical energy are each associated with said vehicle wheel assembly at different points in time, and wherein said visual display associated with said comparison represents a change in tread wear for said vehicle wheel assembly tire. 11. The vehicle wheel service system of claim 1 wherein said processing system is further configured to obtain samples of said measure of tire deformation acoustical energy over a period of at least one full revolution of said vehicle wheel assembly, and wherein each of said samples is associated with a location about the circumference of the wheel assembly by synchronization of said sampling with said wheel assembly rotational movement. 12. The vehicle wheel service system of claim 11 wherein said processing system is configured to identify once-per-revolution variances in said samples of said measure of tire deformation acoustical energy, and to provide an operator with an identification of a corresponding location about said wheel assembly circumference for inspection. 13. The vehicle wheel service system of claim 1 wherein at least a portion of said tire deformation acoustical energy generated by the tire during rotational movement is within a range of human hearing. 14. The vehicle wheel service system of claim 1 wherein a portion of said tire deformation acoustical energy generated by the tire during rotational movement is outside a range of human hearing. 15. The vehicle wheel service system of claim 1 further including an acoustic sensor disposed in operative proximity to a region of said tire at which said load is applied. 16. A method for providing a representation of tire deformation acoustical energy generated during loaded rotational movement by a vehicle wheel assembly consisting of a tire mounted to a wheel rim; comprising: mounting the vehicle wheel assembly to a driven spindle shaft of a vehicle wheel service system;applying a generally radial load to an outer circumference of the vehicle wheel assembly during driven rotation of the spindle shaft and vehicle wheel assembly;acquiring data representative of tire deformation acoustical energy generated during the driven rotation of the vehicle wheel assembly while said tire is deformed under the applied load;processing said obtained data to produce a representation of the tire deformation acoustical energy generated by the vehicle wheel assembly; andwherein processing said obtained data identifies a tire characteristic of the vehicle wheel assembly, said characteristic consisting of a measure of road noise, an identified surface non-uniformity, a measure of surface wear, the presence of an embedded foreign object, the presence of tire structure damage, or an identification of a tire inflation condition. 17. The method of claim 16 further including the step of providing a visual display of said representation of tire deformation acoustical energy to an operator. 18. The method of claim 16 further including the step of storing said representation of tire deformation acoustical energy in an accessible data storage, together with at least one associated tire parameter. 19. The method of claim 16 where the data is acquired over at least one complete revolution of said vehicle wheel assembly.

이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 1

Mian, Zahid F.; Johnson, William B.. Resonant signal analysis-based inspection. USP20190210203306.

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System and method for wheel assembly acoustical evaluation

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System and method for wheel assembly acoustical evaluation

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이 특허에 인용된 특허 (14)

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