WO2004111573A1 - 方位傾斜計測方法および計測装置 - Google Patents
方位傾斜計測方法および計測装置 Download PDFInfo
- Publication number
- WO2004111573A1 WO2004111573A1 PCT/JP2004/008316 JP2004008316W WO2004111573A1 WO 2004111573 A1 WO2004111573 A1 WO 2004111573A1 JP 2004008316 W JP2004008316 W JP 2004008316W WO 2004111573 A1 WO2004111573 A1 WO 2004111573A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measured
- holding portion
- measuring
- circular frame
- measurement
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
Definitions
- Angular velocity and angular velocity are detected, and depending on the central processor, the finger position deviation (deviation) of the equipment zero (reference) mark is normalized (referenced) of the gyro pendulum.
- a fully automatic measurement configured to send a signal calculated via the equation of motion determined and proportional to the finger position deviation (deviation) and to display Z or the finger position deviation (deviation). Gyro compass is described.
- Patent Literature 5 discloses a hybrid inclinometer that includes an optical fiber gyro and an inclinometer using gravitational acceleration, and measures a roll angle or a pitch angle or both of the inclination angles with respect to the earth tangent plane. For the angle data obtained from the optical fiber gyro, only the high frequency data is passed through the filter, and the data obtained from the inclination angle A hybrid inclinometer with a signal processing unit that passes only low-frequency data for the angle data to be processed, combines both data in the real-time domain, and outputs an angle output is described.
- Patent Document 6 discloses that a dual-axis inclinometer and a single-axis rotation mechanism, which are installed on a reference table, a single-axis rotation mechanism, and a single-axis rate gyro attached to the single-axis rotation mechanism are provided.
- the virtual azimuth and amplitude are obtained from the rotation mechanism control unit and the rotation angle from the reference azimuth of the one-axis rate gyro and the angular velocity at the time of the earth obtained at each rotation position.
- a rate gyro azimuth meter including an azimuth calculation unit for detecting an azimuth angle at a detection point based on the obtained roll angle, pitch angle, and the latitude of the detection point input from the outside is described.
- Patent Literature 7 discloses a tilt measuring apparatus in which a gyro inclinometer is attached to an object to be measured and an angular velocity signal from the gyro inclinometer is integrated to measure an angle of inclination of the object to be measured.
- a gravitational inclinometer is attached to the object to be measured, and a stationary state determining means for determining that an output signal of the gravitational inclinometer is in a stationary state.
- a tilt measuring device provided with correction means for correcting an integrated value of the angular velocity signal from the gyro inclinometer to a tilt angle based on an output signal of the gravitational inclinometer when the signal is determined to be in a static state. Have been.
- Patent Document 9 discloses a position and posture angle measuring device and method for measuring the position and posture angle of a moving body or an object to be measured.
- Patent Document 10 describes that a gravity-type tilt sensor and a gyro are provided side by side.
- Patent Document 1 Japanese Patent No. 2961145 (Japanese Patent Application No. 6-42830, Japanese Patent Application No. 4 25330 7)
- Patent Document 2 USP 5,623,108
- Patent document 3 EP0829699
- Patent Document 6 JP-A-7-167658
- Patent Document 7 JP-A-8-210849
- Patent Document 8 JP-A-2001-66110
- Patent Document 9 JP-A-10-160462
- Patent Document 10 JP-A-8-89011
- a technique for measuring a tilt such as a clinometer
- a technique for measuring a tilt has been used as a technique for measuring a tilt
- three-dimensional evaluation a plurality of devices for one-dimensional measurement are used. This was realized by combining the data measured by arrangement.
- a compass or a rate gyro that detects precession in the gyro effect is used in practice, and measurement of azimuth and tilt requires multiple measurement devices and sensors or multiple measurements.
- measurement was complicated.
- the fixed point and the sliding line of each inclinometer were different in multiple measurements, there was a disadvantage that measurement errors were likely to be included, and this was not always an economical and effective measurement method.
- the present invention provides a displacement measuring method capable of easily measuring a three-dimensional displacement of an object to be measured by using a simple structure of one device, which does not require displacement measurement by many measuring instruments developed three-dimensionally. And an apparatus.
- a non-contact type such as a laser displacement meter
- a contact type such as a differential
- the surface to be measured such as a cone, which has a curved surface force that is almost orthogonal to the displacement sensor, and is free due to the weight of the part to be measured and the frame structure that allows free rotation in two axial directions Has a function that the central axis of the cone always indicates the direction of gravity.
- Displacement sensor The distance to the surface to be measured is measured several times by scanning during one rotation of the mounting shaft, and the inclination angle of the measurement point is calculated from the data by calculating the trigonometric function.
- the relative three-dimensional inclination between the displacement sensor unit and the measured object (measured unit) is evaluated by square analysis as vector evaluation of the inclination direction and the inclination angle.
- a three-dimensional inclinometer evaluated by three or more inclinometers can be realized while measuring the displacement of the free surface to be measured by one displacement sensor and evaluating the accuracy.
- the rotation axis may not move against the weight.
- the direction of maximum tilt is obtained from the displacement meter that scans the conical surface to realize northern evaluation.
- the existing azimuth magnet is included in the aforementioned three-dimensional inclination measurement when the object to be measured points in the direction of gravity by weight! From the relationship between the detected north azimuth and the rotation angle of the displacement sensor unit, it is possible to easily realize omnidirectional tilt measurement for evaluating three-dimensional tilt in relation to the azimuth.
- the above-mentioned fixed point can be obtained by adopting a free inclined body having a structure in which the measured object can be freely tilted in all directions with the conical vertex having the conical shape of the measured object as a fulcrum, that is, fixed as a fixed point.
- the object to be measured can be freely tilted in any direction.
- the displacement of the object to be measured can be easily measured by a simple structure in which the surface to be measured is free, without requiring the displacement measurement by many measuring instruments.
- a measurement method and apparatus can be provided.
- a simple structure of one device basically eliminates the need for displacement measurement by a large number of measuring instruments that are three-dimensionally developed, so that a three-dimensional object can be three-dimensionally measured.
- a displacement measurement method and device capable of easily measuring displacement can be provided.
- FIG. 1 is a structural diagram showing a configuration of a tilt measuring apparatus according to one embodiment of the present invention.
- FIG. 2 is a perspective view of a partial configuration of FIG. 1.
- FIG. 3 is a plan view of FIG. 2.
- FIG. 4 is a diagram showing a measurement method by rotational scanning.
- FIG. 5 is a diagram illustrating a conical shape with an example.
- FIG. 6 is a diagram showing a method of measuring displacement.
- FIG. 7 is a structural diagram showing a configuration of an azimuth tilt measuring apparatus according to another embodiment of the present invention.
- FIG. 8 is a structural diagram of an integrated device for continuously measuring an azimuth and an inclination.
- FIG. 9 is a structural diagram of an apparatus for performing simple omnidirectional tilt measurement.
- the present invention monitors the inclination and orientation of fixed points in the control of civil engineering, architectural structures, oil drilling wells, or flying and moving objects, and continuously performs three-dimensional inclination in sliding in cylindrical spaces such as pipes and boreholes.
- a method and an apparatus for measuring a direction and an orientation are provided.
- the omnidirectional tilt state is easily and continuously measured while sliding in the borehole in the ground. It is also used to evaluate the location of boreholes in rock wells in the petroleum development field. For example, the azimuth and inclination are continuously measured while continuously sliding inside the well from the hole at the ground surface, and the three-dimensional position of the well in the underground rock is accurately located. Furthermore, it is used to monitor the deformation of structures such as pipelines and pipes, and to grasp the overall deformation state by continuously measuring the tilt vector while sliding inside or outside the pipes.
- FIG. 1 shows a structure of a tilt measuring device 100 as a gravity type tilt sensor according to an embodiment of the present invention.
- an inclination measuring apparatus 100 includes an apparatus main body 1, a measuring section 2 fixed to the apparatus main body 1, an object to be measured (measurement section, an object to be measured) 3 facing the measuring section 2, and an object to be measured. 3, a weight 4 integrated via a holding portion 5, and a free inclined body 6 provided between the holding portion 5 and the projection 7 of the apparatus main body 1.
- the device main body 1 has a cylindrical or cage shape, and a rotary motor (rotary driving source) 12 is provided in a hole 11 provided in the head, and the rotary motor 12 is rotated around a rotary shaft 13 of the sensor as an axis.
- the measuring unit 2 is configured by providing the measuring device mounting unit 14.
- the measuring object 3 is separate from the measuring section 2 and has a conical section 24 and a conical section having a measuring surface 23 having a predetermined conical shape provided converging from the opening 21 toward the deep section 22.
- the holding portion 5 has a conical surface direction, and the weight 4 is physically attached via the holding portion 5 as described above.
- FIG. 2 shows the structure of the free inclined body 6 provided between the holding section 5 and the apparatus main body 1.
- the free inclined body 6 is provided with an inner frame 25 provided with a gap around a disk-shaped bearing body 29 provided with the bearing of the holding portion 5, and is provided with a gap provided therebetween.
- the inner frame 25 and the outer frame 26 form a double circular frame and can be arranged on the same plane. In the figure, they are arranged on the same plane when stationary.
- the inner frame rotating shaft 27 and the outer frame rotating shaft 28 are arranged in the same plane, and in a stationary state in FIG.
- 8 is rotatable around a fulcrum 30 (FIG. 1) of the holding portion 5.
- the fulcrum 30 is located on the axis of the measured object 3 in the conical direction of the measuring surface 23 having a conical shape. Naturally, the fulcrum 30 is on the axis of the holding part 5.
- the fulcrum 30 is the center of rotation of the double circular frame. That is, the double circular frame is disposed so as to rotate around the fulcrum 30. What is important here is that the measured surface 23 of the measured object 3 is free due to such an arrangement structure. That is, the measured surface 23 is not constrained at all.
- the frame outside the projection 7 of the apparatus body 1 is held by a shaft (not shown).
- the laser displacement meter light emitting section 15 is provided at the displacement measurement fixed point 31 of the measuring instrument mounting section 14 and is rotatable, and the DUT 3 rotates around the fulcrum 30 of the DUT 3. It is possible.
- FIGS. 2 and 3 show double circular frames 25 and 26 and both circular frames 25 and 26 that constitute a free inclined body 6 that is opposed to the holder 5 of the measured object 3.
- FIG. 2 shows a two-rotation axis arrangement configuration for connecting 26 and an arrangement state of the measurement surface 23 of the DUT 3 associated with the arrangement configuration.
- FIG. 2 is a perspective view therefor, and FIG.
- the inner rotating shaft 27 and the outer rotating frame 27 are arranged between the bearing body 29 (with the bearing 52) of the holding part 5 and the inner circular frame 25, and between the inner circular frame 25 and the outer circular frame 26.
- a rotation shaft 28 is provided so as to be rotatable about rotation axes 45 and 46.
- the configured double circular frames 25 and 26 can be arranged on the same plane. In the figure, when stationary, the double circular frames 25 and 26 are arranged on the same plane!
- the two rotation axes that is, the inner rotation axis 27 and the outer rotation axis 28 are arranged orthogonally.
- the DUT 3 shown in FIG. 1 can be freely tilted in all directions, and the DUT 23 is an unconstrained free end.
- Fig. 1 shows an outline of a three-dimensional inclination measuring device as a displacement meter.
- the fixed point 31 of the object to be measured which is the intersection of the displacement measurement axis
- the fulcrum 30 of the object which is the conical vertex of the surface to be measured, on the rotation axis of the rotating body on which the displacement sensor (displacement measuring device) is attached
- the weight 4 integrated with the object to be measured points in the
- the conical axis is inclined in the direction of gravity.
- the free tilt of the object to be measured is realized by a double frame having rotation axes 27 and 28 which can be orthogonal to each other.
- the rotation axis of the displacement sensor mounting part indicates the axial direction of the device main body
- the measured object indicates the weight direction
- the three-dimensional inclination composed of the inclination direction and the inclination angle force is relative to each other. It will be measured as a slope.
- FIG. 4 shows a measurement method by rotational scanning of one displacement measuring device.
- the rotation angle of the sensor position of the displacement measuring device is assumed to be ⁇ .
- the rotation axis of the sensor forms the ⁇ axis.
- the distance L between the point 34 on the circle 32 and the displacement measurement fixed point 31 is measured by a laser to measure the measurement displacement.
- the displacement is measured at a constant rotation angle while the displacement sensor mounting portion makes one rotation.
- a measure to make the conical surface 23 of the measured portion 3 a conical curved surface, or the like can be considered.
- the surface 23 to be measured converges from the opening 21 toward the deep portion 22 and has a curved surface force having a predetermined shape that can be expressed by a mathematical formula.
- the conical shape means a cone and a circle shown in FIG.
- the shape includes a frustum, a hyperboloid, a quadratic surface, a hemisphere, a quadrangular pyramid, and a triangular pyramid.
- the surface 23 to be measured has a smooth surface finish so that the distance measurement by the laser displacement meter light emitting unit 15 can be performed accurately.
- FIG. 6 shows a method of measuring displacement.
- the rotation angle is represented by an, and displacement data Ln is obtained at each rotation angle.
- the inclination angle j8 n at each rotation angle an is obtained by the equation in the figure.
- the measurement on the conical surface to be measured by the displacement sensor is a force that requires at least three unknowns.
- the measurement control of constant rotation in rotational scanning is relatively easy, so the measurement accuracy is improved. Therefore, multi-point measurement such as eight-point measurement at every 45 degree rotation angle and 12-point measurement at every 30 degree rotation becomes practical.
- the rotation angle is obtained from the displacement sensor by the displacement data Ln for each an. Ln force
- a displacement measuring device such as a single laser displacement gauge that is attached to the sensor rotation axis at an angle
- a circular frame with two axes of rotation which consists of a force, detects the displacement at a certain rotation angle while the displacement measuring instrument scans one revolution on the surface to be measured when the weight always points in the direction of gravity.
- the least-squares analysis force of the tilt angle data derived from each displacement measurement data force, the vector with the smallest residual is found, and the relative three-dimensional tilt between the displacement measurement device and the DUT 3 is tilted.
- a measuring device and a measuring method thereof are configured.
- a predetermined cone convergingly provided from the opening 21 toward the deep portion 22 is provided.
- the displacement measuring devices 15 and 16 are provided rotatably toward the measurement surface 23 of the measurement object 3 having the measurement surface 23 having the shape and the holding portion 5 having the fulcrum 30 in the conical direction.
- a weight 4 integrally on the opposite side with the holding part 5 inside and spaced around the holding part 5, for example, at rest, a double circular frame in the same plane direction, i.e., an inner circular shape It has a frame 25 and an outer circular frame 26, and intersects perpendicularly on the same plane, for example, at rest, between the holding part 5 and the inner circular frame 25, and between the inner circular frame 25 and the outer circular frame 26.
- Rotating shafts 27 and 28 are provided and the fulcrum of the holder 5 is double circular
- FIG. 7 shows the structure of an azimuth tilt measuring apparatus 101 as another embodiment.
- the same components as those shown in the left embodiment are given the same reference numerals, and the description of the previous embodiment is referred to so that the description will not be repeated.
- the holding section 5 is made longer, and a rotary motor (rotary drive source) 41 is provided around this section.
- Other configurations can be the same as the previous embodiment.
- FIG. 7 shows an example of a structure for rotating the measured surface 23 of the measured object 3 that can be tilted freely.
- the electric line is led to the rotary motor 41 arranged at the position of the weight 4 below the conical part 24, and the free tilt
- the shaft rotation of the DUT 3 is realized by eliminating the frictional resistance associated with the wiring in the structure.
- the gyroscopic effect occurs with the rotation of the measured object 3, and the rotation axis tends to be parallel to the direction along the rotation axis of the earth. Since the weight 4 at the lower part of the measured object 3 functions to direct the rotation axis in the direction of gravity, the axis of the measured object 3 is inclined in a slightly northern direction from the weight direction due to the balance. Will be.
- the tilt angle is the target of azimuth measurement It does not become the target, and the target direction is the maximum inclination.
- This azimuth ⁇ ⁇ indicates the north azimuth with respect to the arrangement of the device main body.
- the direction of inclination can be measured by distance measurement using a displacement measuring instrument.
- a device having this rotating structure When measuring azimuth and three-dimensional inclination with a set of devices, a device having this rotating structure is arranged, and in order to continuously measure when the device slides or the like, the measured portion is not rotated. In this state, rotation scanning by the displacement sensor is repeated, and when azimuth measurement is required, the object 3 is rotated to perform rotation scanning by the displacement sensor.
- the predetermined direction provided to converge from the opening 21 toward the deep portion 22 is provided.
- the displacement measuring devices 15 and 16 are provided rotatably toward the measured surface 23 of the measured object 3 having the measuring surface 23 having a conical shape and the holding portion 5 having the fulcrum 30 in the conical direction.
- a weight 4 is integrally provided on the measuring body 3 on the opposite side with the holding portion 5 inside, and at intervals around the holding portion 5, for example, at rest, a double circular frame 25, 26 is placed in the same plane direction.
- rotating shafts 27 and 28 which are orthogonal to each other on the same plane when stationary are provided.
- the fulcrum 30 of the holder 5 is set as the rotation center of the double circular frames 25 and 26,
- a rotation motor 41 is provided as a rotation drive source for rotating the body 3 to be measured.
- the displacement measuring devices 15 and 16 are rotated and scanned with respect to the surface 23 to be measured, and the distance between them is measured.
- the azimuth measuring method and the measuring device are characterized in that the direction of inclination of the measured surface 23 is measured by analyzing the displacement of the measured relative distance.
- the predetermined cone provided to converge from the opening 21 toward the deep part 22 is provided.
- Displacement measuring devices 15 and 16 are provided so as to be rotatable toward the measured surface 23 of the measured object 3 having the measurement surface 23 having a shape and the holding portion 5 having the fulcrum 30 in the conical direction, and the measurement is performed.
- a weight 4 is provided integrally with the body 3 on the opposite side with the holding portion 5 inside, and at intervals around the holding portion 5, for example, when stationary, a double circular frame 25 in the same plane direction, 26, and rotating shafts 27 and 28 orthogonal to each other are provided between the holding portion 5 and the inner circular frame 25, and between the inner circular frame 25 and the outer circular frame 26, and the fulcrum 30 of the holding portion 5 is formed. Holds the DUT 3 as a freely tiltable center of rotation of the double circular frames 25 and 26 In this way, the measurement surface 23 is made free, and the rotation motor 41, which is a rotary drive source for rotating the measurement object 3, is provided so that the rotation direction of the measurement object 3 is always directed to the direction of gravity when the measurement object 3 is stationary.
- the rotation motor 41 which is a rotary drive source for rotating the measurement object 3
- the displacement measuring devices 15 and 16 are rotated and scanned with respect to the surface 23 to be measured, and the distance between them is measured.
- an azimuth tilt measuring method and a measuring device for sequentially measuring the tilt direction and the three-dimensional tilt angle of the measured surface 23 are configured.
- FIG. 8 shows a configuration for continuously measuring the azimuth and the inclination.
- a tilt angle measuring device 100 for three-dimensional tilt measurement shown in FIG. 1 and an azimuth measuring device 101 shown in FIG. 7 are integrated, and the three-dimensional tilt angle and azimuth are continuously measured by each measuring device. Measured at the same time. For each configuration, the description of the previous two embodiments is referred to and will not be repeated here.
- the predetermined cone provided to converge from the opening 21 toward the deep part 22 is provided. It has a measurement surface 23 having a shape and a holder 5 having a fulcrum 30 in the conical direction. Displacement measuring devices 15 and 16 are provided rotatably toward the measured surface 23 of the measured object 3, and the weight 4 is integrally provided on the measured object 3 on the opposite side with the holding portion 5 as the center. At intervals around the part 5, for example, it has a double circular frame 25, 26 in the same plane direction at rest, and has a holding part 5, an inner circular frame 25, and an inner circular frame 25.
- Rotating shafts 27 and 28 are provided between the outer circular frame 26 and the outer circular frame 26, and the fulcrum 30 of the holding part is set as the rotation center of the double circular frames 25 and 26, and the object 3 can be tilted freely.
- a rotation motor 41 is provided as a rotary drive source for rotating the device 3 to be measured, so that the direction of gravity and the direction along the earth's axis of rotation when the device 3 is rotated are provided. Turn the displacement measuring devices 15 and 16 with respect to the surface 23 to be measured in this state.
- the inclination of the surface 23 to be measured is measured by analyzing the displacement of the measured relative distance, and the three-dimensional measurement is performed by the inclination measuring device 100, which is a gravity inclinometer.
- An azimuth tilt measuring method and a measuring device for measuring a tilt angle and measuring a three-dimensional tilt angle in all directions by combining the two are configured.
- FIG. 9 shows another azimuth tilt measuring apparatus 101, and shows a method and configuration for simple omnidirectional tilt measurement by combining with an existing azimuth magnet, a gyroscope, or the like.
- the basic configuration is the same as that of the first embodiment, and in order to more easily realize the omnidirectional three-dimensional tilt measurement, the existing compass 51 or the rate gyro 51 is replaced with the weight 4 shown in FIG.
- the three-dimensional tilt measurement is combined with the north direction obtained here.
- the azimuth and inclination include a predetermined conical shape provided to converge from the opening 21 toward the deep part 22.
- the displacement measuring devices 15 and 16 are provided rotatably toward the measured surface 23 of the measured object 3 having the measured surface 23 and the holding portion 5 having the fulcrum 30 in the conical shape direction. 4 are integrally provided on the opposite side with the holding part 5 inside, and the Put, for example, have a double circular frame 25, 26 in the same plane direction at rest, between the holding part 5 and the inner circular frame 25, and between the inner circular frame 25 and the outer circular frame 26.
- the fulcrum 30 of the holding unit 5 is used as the rotation center of the double circular frames 25 and 26, and the DUT 3 is held so that it can tilt freely.
- the surface 23 to be measured was set free and the direction of gravity was always pointed at the time of measurement.
- the displacement measuring devices 15 and 16 were rotated and scanned with respect to the surface 23 to be measured, and the distances measured were measured.
- the displacement of the relative distance is analyzed to measure the three-dimensional inclination angle of the surface 23 to be measured, the orientation is measured by a compass or a gyroscope 51, and the two directions are combined to measure the three-dimensional inclination angle in all directions.
- Azimuth inclinometer Constituting the method and measurement apparatus.
- the force mainly measuring the three-dimensional inclination angle is not excluded from measuring the two-dimensional inclination angle by these methods and devices.
- the present invention can monitor the inclination and orientation of fixed points in civil engineering 'building structures, oil drilling, or control of flying-moving objects, etc., as well as in cylindrical spaces such as pipes and boreholes. It is suitable for a method and apparatus for continuously measuring three-dimensional inclination and azimuth in sliding.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003170473A JP3987930B2 (ja) | 2003-06-16 | 2003-06-16 | 方位傾斜計測方法および計測装置 |
JP2003-170473 | 2003-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004111573A1 true WO2004111573A1 (ja) | 2004-12-23 |
Family
ID=33549425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/008316 WO2004111573A1 (ja) | 2003-06-16 | 2004-06-14 | 方位傾斜計測方法および計測装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3987930B2 (ja) |
WO (1) | WO2004111573A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9976410B2 (en) | 2014-01-24 | 2018-05-22 | Kyushu Univerisity, National University Corporation | Method for measuring underground boring position and underground boring position measuring apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07167651A (ja) * | 1993-12-15 | 1995-07-04 | Hitachi Cable Ltd | ハイブリッド傾斜計 |
JPH0814910A (ja) * | 1994-06-30 | 1996-01-19 | Mitsumi Electric Co Ltd | 三次元姿勢センサ |
JPH08159758A (ja) * | 1994-12-09 | 1996-06-21 | Doboku Keisoku Kenkyusho:Kk | 無指向性傾斜計 |
JP2961145B2 (ja) * | 1994-03-14 | 1999-10-12 | 工業技術院長 | 三次元変位測定方法及び三次元変位測定装置 |
-
2003
- 2003-06-16 JP JP2003170473A patent/JP3987930B2/ja not_active Expired - Lifetime
-
2004
- 2004-06-14 WO PCT/JP2004/008316 patent/WO2004111573A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07167651A (ja) * | 1993-12-15 | 1995-07-04 | Hitachi Cable Ltd | ハイブリッド傾斜計 |
JP2961145B2 (ja) * | 1994-03-14 | 1999-10-12 | 工業技術院長 | 三次元変位測定方法及び三次元変位測定装置 |
JPH0814910A (ja) * | 1994-06-30 | 1996-01-19 | Mitsumi Electric Co Ltd | 三次元姿勢センサ |
JPH08159758A (ja) * | 1994-12-09 | 1996-06-21 | Doboku Keisoku Kenkyusho:Kk | 無指向性傾斜計 |
Also Published As
Publication number | Publication date |
---|---|
JP2005003641A (ja) | 2005-01-06 |
JP3987930B2 (ja) | 2007-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2883019B1 (en) | Inclination sensor | |
JP5352039B2 (ja) | 形状加速度計測装置及び方法 | |
US10550686B2 (en) | Tumble gyro surveyor | |
JP2007263689A (ja) | 外部情報を得られない環境における装置の方位計測方法 | |
US9976408B2 (en) | Navigation device and method for surveying and directing a borehole under drilling conditions | |
US8528220B2 (en) | Six-direction indicator | |
JP3987930B2 (ja) | 方位傾斜計測方法および計測装置 | |
JP6485195B2 (ja) | 傾斜度測定方法及び装置並びに電子機器及びプログラム | |
JP3852592B2 (ja) | ジャイロ装置及び掘削用ジャイロ装置の使用方法 | |
TW201024684A (en) | System and method for measuring tilt using lowest degrees of freedom of accelerometer | |
JP2020197521A (ja) | 角度測定デバイスの基準方向を判定する方法およびデバイス | |
JPS6126603B2 (ja) | ||
JP6550906B2 (ja) | 傾斜度測定方法及び装置並びに電子機器及びプログラム | |
JP2640766B2 (ja) | レーザ変位計による2次元計測における相対角度の検出方法と装置 | |
JP2006047295A (ja) | 方位計測装置 | |
JP6477214B2 (ja) | 傾斜度測定方法及び装置並びに電子機器及びプログラム | |
JP3826386B2 (ja) | 削孔装置の削孔位置管理方法 | |
JP2657777B2 (ja) | 地盤改良機の本体管の軌跡・傾斜検出装置 | |
AU2012318276B8 (en) | Navigation device and method for surveying and directing a borehole under drilling conditions | |
JP2005003647A (ja) | メカニカルジャイロ構造 | |
JPH09329438A (ja) | 地質不連続面の測定方法及び測定装置 | |
JPH0666826A (ja) | 全作用力方向センサ | |
JPH0933250A (ja) | 地質不連続面の測定方法及び測定装置 | |
JPS61176797A (ja) | 孔曲がり測定装置 | |
JPH0611348A (ja) | ジャイロ装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
122 | Ep: pct application non-entry in european phase |