IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0736004
(2009-02-02)
|
등록번호 |
US-8638452
(2014-01-28)
|
우선권정보 |
DE-10 2008 000 833 (2008-03-26) |
국제출원번호 |
PCT/EP2009/051110
(2009-02-02)
|
§371/§102 date |
20101209
(20101209)
|
국제공개번호 |
WO2009/118211
(2009-10-01)
|
발명자
/ 주소 |
- Muhle, Daniel
- Svensson, Anke
- Roland, Matthias
- Wendt, Axel
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
A chassis measuring system comprises an illumination device for producing a structured illumination (38, 58, 78, 98), which is developed in such a way that it produces a structured image on a measuring head (32, 52; 72, 92) situated opposite in the transverse vehicle direction, a reference surface (
A chassis measuring system comprises an illumination device for producing a structured illumination (38, 58, 78, 98), which is developed in such a way that it produces a structured image on a measuring head (32, 52; 72, 92) situated opposite in the transverse vehicle direction, a reference surface (40, 60, 80, 100) facing in the same direction as the illumination device (38, 58, 78, 98), on which a structured image produced by an illumination device (38, 58; 78, 98) of the measuring head (32, 52; 72, 92) situated opposite in the transverse vehicle direction may be projected, and at least one measuring camera (34, 36; 54, 56; 74, 76; 94, 96) facing in the same direction as the illumination device (38, 58, 78, 98), which is developed in such a way that it detects the structured image on the reference surface (40, 60; 80, 100) of the opposite measuring head (32, 52; 72, 92) in order to determine the position parameters of the measuring head (32, 52, 72, 92).
대표청구항
▼
1. A measuring head for a chassis measuring system, comprising: an illumination device for producing a structured illumination to produce a structured image on a measuring head situated opposite in the transverse vehicle direction;a reference surface facing in a same direction as the illumination de
1. A measuring head for a chassis measuring system, comprising: an illumination device for producing a structured illumination to produce a structured image on a measuring head situated opposite in the transverse vehicle direction;a reference surface facing in a same direction as the illumination device, on which a structured image produced by an illumination device of the measuring head situated opposite in the transverse vehicle direction is projected; andat least one measuring camera facing in the same direction as the illumination device to detect the structured image on a reference surface of the opposite measuring head in order to determine the position parameters of the measuring head;wherein a line of sight exists between the measuring head and the measuring head situated opposite in a transverse vehicle direction. 2. The measuring head as recited in claim 1, wherein two measuring cameras are provided that face in the same direction. 3. The measuring head as recited in claim 2, wherein the reference surface is situated between the two measuring cameras. 4. The measuring head as recited in claim 3, wherein the illumination device is situated between the two measuring cameras. 5. The measuring head as recited in claim 3, wherein the illumination device is attached to the measuring head. 6. The measuring head as recited in claim 3, further comprising an additional reference surface facing in the longitudinal vehicle direction, on which a structured image produced by an illumination device of a measuring head situated opposite in the longitudinal vehicle direction is able to be projected. 7. The measuring head as recited in claim 6, further comprising an additional illumination device facing in the longitudinal vehicle direction for producing a structured illumination to produce a structured image on a measuring head situated opposite in the longitudinal vehicle direction, and at least one measuring camera facing in the same direction as the illumination device to detect the structured image on the reference surface of the measuring head situated opposite in the longitudinal vehicle direction in order to determine the position parameters of the measuring head. 8. The measuring head as recited in claim 2, wherein the illumination device is situated between the two measuring cameras. 9. The measuring head as recited in claim 2, wherein the illumination device is attached to the measuring head. 10. The measuring head as recited in claim 2, further comprising an additional reference surface facing in the longitudinal vehicle direction, on which a structured image produced by an illumination device of a measuring head situated opposite in the longitudinal vehicle direction is able to be projected. 11. The measuring head as recited in claim 10, further comprising an additional illumination device facing in the longitudinal vehicle direction for producing a structured illumination to produce a structured image on a measuring head situated opposite in the longitudinal vehicle direction, and at least one measuring camera facing in the same direction as the illumination device to detect the structured image on the reference surface of the measuring head situated opposite in the longitudinal vehicle direction in order to determine the position parameters of the measuring head. 12. The measuring head as recited in claim 1, wherein the illumination device is attached to the measuring head. 13. The measuring head as recited in claim 1, further comprising an additional reference surface facing in the longitudinal vehicle direction, on which a structured image produced by an illumination device of a measuring head situated opposite in the longitudinal vehicle direction is able to be projected. 14. The measuring head as recited in claim 13, further comprising an additional illumination device facing in the longitudinal vehicle direction for producing a structured illumination to produce a structured image on a measuring head situated opposite in the longitudinal vehicle direction, and at least one measuring camera facing in the same direction as the illumination device to detect the structured image on the reference surface of the measuring head situated opposite in the longitudinal vehicle direction in order to determine the position parameters of the measuring head. 15. A chassis measuring system, comprising two pairs of measuring heads, as recited in claim 13, situated across from each other in the transverse vehicle direction, and a data processing unit connected to the two pairs of measuring heads, the data processing unit being developed such that for each pair of measuring heads situated across from each other in the transverse vehicle direction at least one structured image on a reference surface facing in the transverse vehicle direction is compared to stored reference images, and that additionally at least one structured image on a reference surface facing in the longitudinal vehicle direction is compared to stored reference images. 16. A chassis measuring system, comprising at least one pair of measuring heads, as recited in claim 1, situated across from each other in the transverse vehicle direction, and a data processing unit connected to the measuring heads to ascertain the position parameters of the measuring heads with respect to each other from the comparison of the structured image produced on the reference surface of a measuring head, which was produced by the illumination device of the opposite measuring head and was detected by the measuring camera of the opposite measuring head, with stored reference images. 17. A method for determining position parameters of measuring heads of a chassis measuring system as recited in claim 16, in which at least one pair of measuring heads situated across from each other in the transverse vehicle direction is provided and in which for each pair of first and second measuring heads the following steps are performed: producing a structured image on the reference surface of the second measuring head using the illumination device of the first measuring head;detecting the structured image using the measuring camera of the first measuring head;determining orientation and distance position parameters of the reference surface of the second measuring head in the local coordinate system of the first measuring head by comparing the produced structured image to stored reference images; anddetermining the position parameters of the measuring heads with respect to each other. 18. The method as recited in claim 17, wherein the following steps are performed for each pair of first and second measuring heads: producing a structured image on the reference surface of the first measuring head using the illumination device of the second measuring head;detecting the structured image using the measuring camera of the second measuring head;determining orientation and distance position parameters of the reference surface of the first measuring head in the local coordinate system of the second measuring head by comparing the produced structured image to stored reference images; anddetermining the position parameters of the measuring heads with respect to each other. 19. The method as recited in claim 17, wherein the following steps are performed for at least one pair of measuring heads situated across from each other in the longitudinal vehicle direction: producing a structured image on the reference surface of the measuring head situated opposite in the longitudinal vehicle direction and detecting the structured image;determining orientation and distance position parameters of the reference surface of the measuring head situated opposite in the longitudinal vehicle direction in the local measuring head coordinate system by comparing the produced structured image to stored reference images; anddetermining the position parameters of the measuring heads situated across from each other in the longitudinal vehicle direction with respect to each other.
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