JPH07150597A - Position and posture display method for construction machine - Google Patents
Position and posture display method for construction machineInfo
- Publication number
- JPH07150597A JPH07150597A JP30142293A JP30142293A JPH07150597A JP H07150597 A JPH07150597 A JP H07150597A JP 30142293 A JP30142293 A JP 30142293A JP 30142293 A JP30142293 A JP 30142293A JP H07150597 A JPH07150597 A JP H07150597A
- Authority
- JP
- Japan
- Prior art keywords
- construction machine
- vehicle body
- data
- fixed station
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は建設機械の位置及び姿勢
表示方法に関するものであり、特に、遠隔操縦の建設機
械の位置及び姿勢をコンピュータを利用して表示する方
法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of displaying the position and orientation of a construction machine, and more particularly to a method of displaying the position and orientation of a remotely controlled construction machine using a computer.
【０００２】[0002]
【従来の技術】建設機械を遠隔操縦によって運転する場
合は、当該建設機械の位置及び姿勢を固定局で正しく把
握する必要がある。移動する自動車等の位置を計測する
方法としては、自動追尾形のトータルステーションを使
用して、ターゲットの位置をリアルタイムに計測する方
法が知られている。また、近年になって、人工衛星を利
用したグローバル・ポジショニング・システム（以下
「ＧＰＳ」という）により、移動中の自動車の位置をリ
アルタイムに計測する方法も多用されつつある。2. Description of the Related Art When operating a construction machine by remote control, it is necessary to correctly grasp the position and orientation of the construction machine by a fixed station. As a method of measuring the position of a moving automobile or the like, a method of measuring the position of a target in real time using an automatic tracking type total station is known. Further, in recent years, a method of measuring the position of a moving automobile in real time by a global positioning system (hereinafter referred to as “GPS”) using an artificial satellite has been widely used.
【０００３】[0003]
【発明が解決しようとする課題】前述した自動追尾形の
トータルステーションやＧＰＳによる位置計測方法は、
リアルタイムで自動車の位置を計測することができる。
然し、計測した１点の座標のみでは、自動車の全体形状
位置を把握することはできない。特に、遠隔操縦の建設
機械に於いては、当該建設機械の１点の座標が判明して
も、車体やアクチュエータの姿勢が不明であると遠隔操
作を行うことができない。The above-mentioned automatic tracking type total station and the position measuring method by GPS are as follows.
The position of the car can be measured in real time.
However, it is not possible to grasp the entire shape position of the automobile only by measuring the coordinates of one point. In particular, in a remote-controlled construction machine, even if the coordinates of one point of the construction machine are known, the remote control cannot be performed if the postures of the vehicle body and the actuator are unknown.
【０００４】建設機械の車体全体やアクチュエータの各
位置を計測するためには、ＧＰＳの受信機を前記車体や
アクチュエータの各位置に配置すればよいが、コスト高
になるため現実的ではない。そこで、遠隔操縦の建設機
械の位置を正確に計測するとともに車体の全体形状位置
を把握し、該建設機械の位置及び姿勢をリアルタイムに
表示するために解決すべき技術的課題が生じてくるので
あり、本発明はこの課題を解決することを目的とする。In order to measure the positions of the entire vehicle body of the construction machine and the actuators, GPS receivers may be arranged at the respective positions of the vehicle body and the actuators, but this is not practical because of the high cost. Therefore, there arises a technical problem to be solved in order to accurately measure the position of a remotely controlled construction machine, grasp the overall shape position of the vehicle body, and display the position and orientation of the construction machine in real time. The present invention aims to solve this problem.
【０００５】[0005]
【課題を解決するための手段】本発明は上記目的を達成
するために提案されたものであり、遠隔操縦の建設機械
にＧＰＳの受信機と磁気方位センサまたはジャイロコン
パスを搭載し、該受信機の位置及び車体の方向を検出し
てそのデータを無線装置にて固定局へ送信し、固定局で
は無線装置にて前記データを受信し、該データに基づき
制御部にて建設機械の各部位の位置及び姿勢を演算して
表示部に表示することを特徴とする建設機械の位置及び
姿勢表示方法、及び、遠隔操縦の建設機械の車体及び各
アクチュエータに傾斜センサを設け、車体とアクチュエ
ータとの相対位置を検出できるようにしたことを特徴と
する建設機械の位置及び姿勢表示方法を提供するもので
ある。SUMMARY OF THE INVENTION The present invention has been proposed in order to achieve the above-mentioned object. A remote control construction machine is equipped with a GPS receiver and a magnetic bearing sensor or a gyro compass, and the receiver is provided. Position and the direction of the vehicle body are detected, and the data is transmitted to the fixed station by the wireless device, and the fixed station receives the data by the wireless device, and the control unit based on the data detects each part of the construction machine. A method for displaying the position and orientation of a construction machine, characterized in that the position and orientation are calculated and displayed on a display unit, and a tilt sensor is provided on the vehicle body and each actuator of a remote-controlled construction machine, and the relative position between the vehicle body and the actuator. A method for displaying the position and orientation of a construction machine, which is characterized in that the position can be detected.
【０００６】[0006]
【作用】遠隔操縦されている建設機械は、ＧＰＳの受信
機にて人工衛星からの電波を受信し、車体に搭載した該
受信機の位置を検出する。これと同時に、磁気方位セン
サまたはジャイロコンパスにより車体の方向を検出し、
夫々のデータを無線装置にて固定局へ送信する。The construction machine which is remotely controlled receives the radio wave from the artificial satellite by the GPS receiver and detects the position of the receiver mounted on the vehicle body. At the same time, the direction of the vehicle body is detected by a magnetic direction sensor or a gyro compass,
Each data is transmitted to the fixed station by the wireless device.
【０００７】固定局では無線装置にて前記データを受信
し、該データを制御部へ送る。また、前記ＧＰＳの受信
機に対する車体の四隅をはじめとする車体各位置の相対
座標を予め計測し、このデータを制御部に記録してお
く。そして、之等のデータと無線装置にて受信したデー
タとに基づき、制御部にて車体の進行方向を含めた全体
形状位置を演算し、表示部に建設機械の位置及び姿勢を
表示する。In the fixed station, the wireless device receives the data and sends the data to the control unit. Further, the relative coordinates of each position of the vehicle body including the four corners of the vehicle body with respect to the GPS receiver are measured in advance, and this data is recorded in the control unit. Then, based on these data and the data received by the wireless device, the control unit calculates the overall shape position including the traveling direction of the vehicle body, and displays the position and orientation of the construction machine on the display unit.
【０００８】また、例えばパワーショベル等アクチュエ
ータの作動によって全体形状位置が変化する建設機械に
於いては、車体及び各アクチュエータに傾斜センサを設
けて、車体とアクチュエータとの相対位置を検出する。Further, in a construction machine such as a power shovel in which the overall shape position is changed by the operation of an actuator, an inclination sensor is provided in the vehicle body and each actuator to detect the relative position between the vehicle body and the actuator.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図面に従って詳述
する。図１に於いて、符号１１は遠隔操縦の建設機械で
あり、１２は固定局である。該建設機械１１にはＧＰＳ
のアンテナ１３及び受信機１４を搭載してあり、この受
信機１４にて約２２０００km上空の米国の人工衛星（現
在２４個の衛星が使用可能）の電波を受信し、コード情
報をコンピュータ１５にて解析することにより、前記Ｇ
ＰＳのアンテナ１３の位置ＡO を三次元座標（ｘO ，ｙ
O ，ｚO ）のデータとしてリアルタイムに検出する。An embodiment of the present invention will be described in detail below with reference to the drawings. In FIG. 1, reference numeral 11 is a remote-controlled construction machine, and 12 is a fixed station. GPS for the construction machine 11
Is equipped with an antenna 13 and a receiver 14, and the receiver 14 receives the radio waves of an American artificial satellite (currently 24 satellites are available) over approximately 22000 km, and the computer 15 receives the code information. By analyzing,
The position A O of the PS antenna 13 is converted into three-dimensional coordinates (x O , y
O , z O ) data is detected in real time.
【００１０】本実施例では、後述するキネマティック測
量法を使用するため、建設機械１１に搭載した受信機１
４とは別個に、地上に他のＧＰＳのアンテナ１６及び受
信機１７を設置してある。該受信機１７にて受信した人
工衛星の電波信号は、無線送信機１８により建設機械１
１へ送られ、建設機械１１に搭載した無線受信機１９に
よって受信される。そして、複数のＧＰＳの受信機１
４，１７にて受信したコード情報に基づき、コンピュー
タ１５によって該建設機械１１に搭載したＧＰＳのアン
テナ１３の正確な３次元座標を検出する。In this embodiment, since the kinematic survey method described later is used, the receiver 1 mounted on the construction machine 11 is used.
In addition to 4, the other GPS antenna 16 and receiver 17 are installed on the ground. The radio signal of the artificial satellite received by the receiver 17 is transmitted by the wireless transmitter 18 to the construction machine 1
1 and is received by the wireless receiver 19 mounted on the construction machine 11. And a plurality of GPS receivers 1
Based on the code information received at 4 and 17, the computer 15 detects the accurate three-dimensional coordinates of the GPS antenna 13 mounted on the construction machine 11.
【００１１】また、該建設機械１１には磁気方位センサ
２０またはジャイロコンパス（図示せず）を搭載し、こ
の磁気方位センサ２０の回転角に基づいて該建設機械１
１の車体の方位角（進行方向）を検出する。ここで、磁
気方位センサ２０の回転角をθ、地球磁界の水平分力を
Ｈt とすれば、磁気方位センサ２０から出力されるｘ成
分：Ｓx とｙ成分：Ｓy は次式で表される。A magnetic direction sensor 20 or a gyrocompass (not shown) is mounted on the construction machine 11, and the construction machine 1 is based on the rotation angle of the magnetic direction sensor 20.
The azimuth angle (travel direction) of the vehicle body 1 is detected. Here, if the rotation angle of the magnetic azimuth sensor 20 is θ and the horizontal component of the earth's magnetic field is H t , the x component: S x and the y component: S y output from the magnetic azimuth sensor 20 are expressed by the following equations. To be done.
【００１２】[0012]
【数１】 [Equation 1]
【００１３】上記ｘ成分：Ｓx とｙ成分：Ｓy をコンピ
ュータ１５へ入力することにより、次式で表される建設
機械１１の車体の方位角θ（磁気方位センサの回転角）
をリアルタイムに検出する。By inputting the x component: S x and the y component: S y into the computer 15, the azimuth θ of the vehicle body of the construction machine 11 represented by the following equation (rotational angle of the magnetic azimuth sensor)
Is detected in real time.
【００１４】[0014]
【数２】 [Equation 2]
【００１５】前記ＧＰＳのアンテナ１３の位置データＡ
O （ｘO ，ｙO ，ｚO ）と、車体の方位角データθは、
無線送信機２１にて固定局１２へ送信される。一方、固
定局１２に設けられた無線受信機２２にて、前記建設機
械１１から送られたデータを受信し、このデータを制御
部であるコンピュータ２３にて処理する。該コンピュー
タ２３のメモリには、予め前記建設機械１１の車体の幾
何学的形状データと、前記ＧＰＳのアンテナ１３に対す
る車体の四隅をはじめとする車体各部の相対座標データ
を記録してある。そして、建設機械１１から送られたＧ
ＰＳのアンテナ１３の位置データＡO のｘ，ｙ座標に基
づき、図２（ａ）に示すように、車体が磁北へ向いてい
るときの車体の四隅位置Ａ1 ，Ａ2 ，Ａ3 ，Ａ4のｘ，
ｙ座標を演算する。Position data A of the GPS antenna 13
O (x O , y O , z O ) and the azimuth data θ of the vehicle body are
It is transmitted to the fixed station 12 by the wireless transmitter 21. On the other hand, the wireless receiver 22 provided in the fixed station 12 receives the data sent from the construction machine 11, and the computer 23 as a control unit processes the data. In the memory of the computer 23, the geometrical shape data of the vehicle body of the construction machine 11 and the relative coordinate data of each portion of the vehicle body including the four corners of the vehicle body with respect to the GPS antenna 13 are recorded in advance. And G sent from the construction machine 11
Based on the x and y coordinates of the position data A O of the PS antenna 13, as shown in FIG. 2A, the four corner positions A 1 , A 2 , A 3 , A of the vehicle body when facing the magnetic north. 4 x,
Calculate the y coordinate.
【００１６】次に、建設機械１１から送られた車体の方
位角データθに基づき、図２（ｂ）に示すように、車体
が方位角θ方向に向いているときの車体の四隅位置
Ａ11，Ａ 21，Ａ31，Ａ41のｘ，ｙ座標を演算する。車体
が方位角θ方向へ向いているときには、Ａ11は、ＡO を
中心に回転角θだけＡ1 が回転した位置となり、Ａ11の
ｘ，ｙ座標（ｘ11，ｙ11）は次式によって求められる。Next, the body sent from the construction machine 11
Based on the position angle data θ, as shown in FIG.
Positions of the vehicle body when the vehicle is facing in the azimuth θ direction
A11, A twenty one, A31, A41The x, y coordinates of are calculated. Car body
Is in the azimuth θ direction, A11Is AOTo
Rotation angle θ at center A1Becomes the rotated position, and A11of
x, y coordinates (x11, Y11) Is calculated by the following equation.
【００１７】[0017]
【数３】 [Equation 3]
【００１８】これと同様にして、Ａ21，Ａ31，Ａ41の
ｘ，ｙ座標を求め、これを元にして車体の外形を表示部
であるモニタ２４に表示させる。そして、建設機械１１
が方位角θ方向へ移動して、ＧＰＳのアンテナ１３の位
置データがＡO （ｘO ，ｙO ）からＡ01（ｘ01，ｙ01）
に変わったとき、車体の四隅位置Ａ12，Ａ22，Ａ32，Ａ
42は、アンテナ１３の移動座標に相当する分だけ移動す
る。例えば、Ａ12のｘ，ｙ座標（ｘ12，ｙ12）は次式に
よって求められる。Similarly, x, y coordinates of A 21 , A 31 , and A 41 are obtained, and the outer shape of the vehicle body is displayed on the monitor 24 which is a display unit based on the obtained x and y coordinates. And construction machine 11
Moves in the azimuth θ direction, and the position data of the GPS antenna 13 is changed from A O (x O , y O ) to A 01 (x 01 , y 01 ).
When changing to, the four corner positions of the car body A 12 , A 22 , A 32 , A
42 moves by an amount corresponding to the moving coordinates of the antenna 13. For example, the x, y coordinates (x 12 , y 12 ) of A 12 are obtained by the following equation.
【００１９】[0019]
【数４】 [Equation 4]
【００２０】これと同様にして、Ａ22，Ａ32，Ａ42の
ｘ，ｙ座標を求め、車体が移動した後の外形をモニタ２
４に表示させる。斯くして、建設機械１１から送信され
てくるデータに基づき、前記コンピュータ２３が車体の
進行方向を含めた全体形状位置を演算し、建設機械１１
の位置及び姿勢をリアルタイムにモニタ２４へ表示する
ことができる。従って、例えば図３に示すように、遠隔
操縦のパワーショベル２５とダンプトラック２６とを同
時にモニタ２４へ表示し、パワーショベル２５の旋回状
態の確認とダンプトラック２６の荷台位置の確認を並行
して行うことにより、遠隔操縦の建設機械を組み合わせ
た共同作業の制御を容易且つ確実に為すことができる。
また、一定距離以内に接近した他の機械のオペレータに
対して、警告を発生して事故を未然に防止することがで
きる。In the same manner as above, the x and y coordinates of A 22 , A 32 and A 42 are obtained, and the outer shape of the body after the vehicle body is moved is monitored by the monitor 2.
Display on 4. Thus, the computer 23 calculates the overall shape position including the traveling direction of the vehicle body based on the data transmitted from the construction machine 11, and the construction machine 11
The position and orientation of the can be displayed on the monitor 24 in real time. Therefore, for example, as shown in FIG. 3, the remotely operated power shovel 25 and the dump truck 26 are simultaneously displayed on the monitor 24, and the turning state of the power shovel 25 and the loading platform position of the dump truck 26 are checked in parallel. By doing so, it is possible to easily and surely control the joint work in which the remotely controlled construction machine is combined.
Further, it is possible to prevent an accident by issuing a warning to the operator of another machine approaching within a certain distance.
【００２１】ここで、ＧＰＳに於ける計測精度について
説明すれば、建設機械にＧＰＳの受信機を搭載し、該受
信機１台のみにて位置計測を行う場合（単独計測法）に
は、２０〜１００ｍの誤差を生じることがある。これに
対して、複数の受信機により２点以上で単独計測を行
い、既知点側の補正量を未知点の計測演算に利用するデ
ファレンシャル計測法では、既知点側の補正量を未知点
側へ転送することにより、ほぼリアルタイムで計測結果
を得ることができ、計測精度は３〜５ｍ程度となる。更
に、キネマティック測量法では、複数のＧＰＳ受信機を
用いて電波信号の位相測定により相対測位を行い、複数
の受信機のうち１点を既知点に固定し、他の既知点から
スタートして各計測点にて停止して受信する。このキネ
マティック測量法を用いた場合は、１〜２cmの計測精度
を得ることができ、前述した複数の建設機械の共同作業
に於いても、ほぼリアルタイムにて極めて高精度の位置
表示を行うことができる。Here, the measurement accuracy in GPS will be explained. When a GPS receiver is mounted on a construction machine and position measurement is performed by only one of the receivers (independent measurement method), 20 An error of -100 m may occur. On the other hand, in the differential measurement method in which a plurality of receivers perform independent measurement at two or more points and use the correction amount on the known point side for measurement calculation of the unknown point, the correction amount on the known point side is transferred to the unknown point side. By transferring, the measurement result can be obtained in almost real time, and the measurement accuracy is about 3 to 5 m. Furthermore, in the kinematic survey method, relative positioning is performed by measuring the phase of a radio signal using a plurality of GPS receivers, one of the plurality of receivers is fixed to a known point, and the other known point is started. Stop at each measurement point and receive. When this kinematic survey method is used, measurement accuracy of 1 to 2 cm can be obtained, and even in the joint work of a plurality of construction machines described above, extremely accurate position display can be performed in near real time. You can
【００２２】尚、本実施例では、ＧＰＳの受信機により
人工衛星からの電波を受信して、建設機械の位置を検出
しているが、このほか、地上の固定局に自動追尾形のト
ータルステーションを設置し、建設機械にプリズムミラ
ー等のターゲットを搭載して、該トータルステーション
にて建設機械の位置をリアルタイムに計測することも可
能である。In this embodiment, the GPS receiver receives the radio waves from the artificial satellites to detect the position of the construction machine, but in addition to this, an automatic tracking type total station is installed in the fixed station on the ground. It is also possible to install and mount a target such as a prism mirror on the construction machine and measure the position of the construction machine in real time at the total station.
【００２３】図４及び図５は、遠隔操縦のパワーショベ
ル２５の車体及び各アクチュエータに傾斜センサを設け
た実施例を示したものである。車体に搭載したＧＰＳの
アンテナ１３の位置を原点ＰO と定め、ブーム２７、ア
ーム２８、バケット２９の夫々の関節部中心位置を
Ｐ1 、Ｐ2 、Ｐ3 とし、バケット２９の先端部中心位置
をＰ4 とすれば、ＰO 乃至Ｐ4 は同一平面（Ｘ−Ｚ平
面）上に存在する。ブーム２７、アーム２８等の傾斜角
を計測するため、Ｘ−Ｚ平面上に夫々傾斜センサ３０，
３１，３２，３３を設ける。更に、車体のローリング角
を計測するように、車体に傾斜センサ３４を設ける。4 and 5 show an embodiment in which a tilt sensor is provided on the vehicle body and each actuator of the power shovel 25 for remote control. The position of the GPS antenna 13 mounted on the vehicle body is defined as the origin P O , the center positions of the joints of the boom 27, the arm 28, and the bucket 29 are set to P 1 , P 2 , and P 3, and the center position of the tip of the bucket 29 is set. if the and P 4, P O to P 4 are present on the same plane (X-Z plane). In order to measure the tilt angle of the boom 27, the arm 28, etc., the tilt sensor 30, respectively on the XZ plane.
31, 32, 33 are provided. Further, a tilt sensor 34 is provided on the vehicle body so as to measure the rolling angle of the vehicle body.
【００２４】いま、原点ＰO （ｘO ，ｙO ，ｚO ）から
Ｐ1 （ｘ1 ，ｙ1 ，ｚ1 ）までの距離をＬ1 とし、Ｐ1
からＰ2 （ｘ2 ，ｙ2 ，ｚ2 ）までの距離をＬ2 、Ｐ2
からＰ3 （ｘ3 ，ｙ3 ，ｚ3 ）までの距離をＬ3 、Ｐ3
からＰ4 （ｘ4 ，ｙ4 ，ｚ4）までの距離をＬ4 とす
る。また、線分ＰO Ｐ1 のｘ軸に対する傾斜角をθO と
し、各傾斜計３１，３２，３３にて計測したブーム２
７、アーム２８、バケット２９の傾斜角をθ1 、θ2 、
θ3 とする。ここで、車体にＸ軸を中心としたローリン
グがない場合には、図６に示すように、バケット２９の
先端部Ｐ4 のｘ，ｚ座標は次式で表される。Let L 1 be the distance from the origin P O (x O , y O , z O ) to P 1 (x 1 , y 1 , z 1 ), and P 1
From P 2 (x 2 , y 2 , z 2 ) to L 2 , P 2
To P 3 (x 3 , y 3 , z 3 ) from L 3 and P 3
To P 4 (x 4 , y 4 , z 4 ) is L 4 . The inclination angle of the line segment P O P 1 with respect to the x-axis is θ O, and the boom 2 measured by each of the inclinometers 31, 32, and 33.
7, the inclination angles of the arm 28 and the bucket 29 are θ 1 , θ 2 ,
θ 3 Here, when the vehicle body does not have rolling around the X axis, as shown in FIG. 6, the x and z coordinates of the tip end portion P 4 of the bucket 29 are expressed by the following equations.
【００２５】[0025]
【数５】 [Equation 5]
【００２６】一方、車体がローリングしている場合は、
Ｘ−Ｚ平面をＸ軸を中心に回転したものとみれば、前記
各傾斜角θO 乃至θ3 は変化しない。即ち、前記ＰO 乃
至Ｐ 4 の各ｘ座標値は変化せず、各点のｙ座標及びｚ座
標について補正すればよい。図７に示すように、ローリ
ング角がφであれば、Ｐ4 （ｘ4 ，ｙ4 ，ｚ4 ）はｘ座
標はそのままでＰ41（ｘ4 ，ｙ41，ｚ41）の位置へ移動
する。従って、移動後のＰ41のｘ，ｙ，ｚ座標は次式で
表される。On the other hand, when the vehicle body is rolling,
Assuming that the XZ plane is rotated around the X axis,
Each tilt angle θOThrough θ3Does not change. That is, the PONo
To P FourEach x coordinate value of does not change, and the y coordinate and z coordinate of each point
Correct the mark. As shown in FIG.
If the angle is φ, then PFour(XFour, YFour, ZFour) Is x seat
The mark remains P41(XFour, Y41, Z41) Position
To do. Therefore, P after moving41X, y, z coordinates of
expressed.
【００２７】[0027]
【数６】 [Equation 6]
【００２８】斯くして、作業によって刻々と姿勢が変化
する各アクチュエータと、車体に搭載したＧＰＳのアン
テナ１３との相対位置をリアルタイムに把握することが
でき、パワーショベルとダンプトラックとの共同作業等
に於ける作業性が著しく向上できる。尚、本発明は、本
発明の精神を逸脱しない限り種々の改変を為すことがで
き、そして、本発明が該改変されたものに及ぶことは当
然である。In this way, the relative position between each actuator whose posture changes momentarily by work and the GPS antenna 13 mounted on the vehicle body can be grasped in real time, and the joint work between the power shovel and the dump truck, etc. The workability in can be significantly improved. The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified one.
【００２９】[0029]
【発明の効果】本発明は上記実施例に詳述したように、
ＧＰＳの受信機にて受信した位置データと、磁気方位セ
ンサにて検出した方位角データを無線装置にて固定局へ
送ることにより、固定局では之等のデータを制御部にて
演算し、建設機械の位置及び姿勢を表示部へリアルタイ
ムに表示できる。従って、建設機械の遠隔操縦を正確に
行うことができる。The present invention, as described in detail in the above embodiment,
The position data received by the GPS receiver and the azimuth angle data detected by the magnetic azimuth sensor are sent to the fixed station by the wireless device, so that the fixed station calculates the data and the like in the control unit and constructs it. The position and orientation of the machine can be displayed on the display in real time. Therefore, the remote control of the construction machine can be accurately performed.
【００３０】また、建設機械の車体及び各アクチュエー
タに傾斜センサを設けた場合には、作業によって姿勢が
変化するアクチュエータと車体との相対位置がリアルタ
イムに検出でき、他の建設機械との共同作業に於いて
も、双方の機械の位置及び姿勢を極めて正確に表示する
ことができる。斯くして、遠隔操縦に於ける作業効率並
びに作業精度の向上に寄与できる等、諸種の効果を奏す
る発明である。When a tilt sensor is provided on the vehicle body and each actuator of the construction machine, the relative position between the actuator and the vehicle body whose posture changes due to the work can be detected in real time, and it is possible to collaborate with other construction machines. Even in this case, the positions and attitudes of both machines can be displayed extremely accurately. Thus, the invention has various effects such as contributing to improvement of work efficiency and work accuracy in remote control.
【図１】本発明の一実施例を示し、建設機械の位置及び
姿勢表示装置の解説図。FIG. 1 is an explanatory diagram of a position and orientation display device of a construction machine according to an embodiment of the present invention.
【図２】（ａ）は建設機械が磁北を向いているときの車
体四隅の座標を示す解説図。（ｂ）は建設機械が磁北か
らずれた方向を向いているときの車体四隅の座標を示す
解説図。FIG. 2A is an explanatory diagram showing coordinates of four corners of the vehicle body when the construction machine is facing magnetic north. (B) is an explanatory view showing the coordinates of the four corners of the vehicle body when the construction machine is facing away from magnetic north.
【図３】（ａ）（ｂ）（ｃ）は複数の建設機械の共同作
業の手順をモニタへ表示した例を示す解説図。3 (a), (b), and (c) are explanatory views showing an example in which a procedure of joint work of a plurality of construction machines is displayed on a monitor.
【図４】建設機械の車体及びアクチュエータを示す斜視
図。FIG. 4 is a perspective view showing a vehicle body and an actuator of the construction machine.
【図５】建設機械の車体及びアクチュエータに傾斜セン
サを設けた例を示す解説図。FIG. 5 is an explanatory diagram showing an example in which a tilt sensor is provided on a vehicle body and an actuator of a construction machine.
【図６】建設機械にローリングがない状態でのバケット
先端部の座標を求める解説図。FIG. 6 is an explanatory diagram for obtaining the coordinates of the bucket tip portion when the construction machine has no rolling.
【図７】建設機械にローリングがある状態でのバケット
先端部の座標を求める解説図。FIG. 7 is an explanatory diagram for obtaining the coordinates of the bucket tip portion when the construction machine has rolling.
【符号の説明】 １１ 建設機械 １２ 固定局 １３，１６ ＧＰＳのアンテナ １４，１７ ＧＰＳの受信機 １５，２３ コンピュータ １８，２１ 無線送信機 １９，２２ 無線受信機 ２０ 磁気方位センサ ２４ モニタ ２７ ブーム ２８ アーム ２９ バケット ３０，３１，３２，３３，３４ 傾斜センサ[Explanation of Codes] 11 Construction Machinery 12 Fixed Station 13,16 GPS Antenna 14,17 GPS Receiver 15,23 Computer 18,21 Wireless Transmitter 19,22 Wireless Receiver 20 Magnetic Direction Sensor 24 Monitor 27 Boom 28 Arm 29 bucket 30, 31, 32, 33, 34 tilt sensor
Claims (2)
ショニング・システムの受信機と磁気方位センサまたは
ジャイロコンパスを搭載し、該受信機の位置及び車体の
方向を検出してそのデータを無線装置にて固定局へ送信
し、固定局では無線装置にて前記データを受信し、該デ
ータに基づき制御部にて建設機械の各部位の位置及び姿
勢を演算して表示部に表示することを特徴とする建設機
械の位置及び姿勢表示方法。1. A remote-controlled construction machine equipped with a receiver of a global positioning system and a magnetic direction sensor or a gyro compass, and detecting the position of the receiver and the direction of the vehicle body, and transmitting the data by a wireless device. It is characterized in that the data is transmitted to a fixed station, and the fixed station receives the data with a wireless device, and the controller calculates the position and orientation of each part of the construction machine based on the data and displays the calculated position and orientation on the display. Position and posture display method for construction machinery.
ュエータに傾斜センサを設け、車体とアクチュエータと
の相対位置を検出できるようにしたことを特徴とする請
求項１記載の建設機械の位置及び姿勢表示方法。2. The position and orientation of the construction machine according to claim 1, wherein an inclination sensor is provided on the vehicle body and each actuator of the remotely controlled construction machine so that the relative position between the vehicle body and the actuator can be detected. Display method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5301422A JP2866289B2 (en) | 1993-12-01 | 1993-12-01 | Display method of position and attitude of construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5301422A JP2866289B2 (en) | 1993-12-01 | 1993-12-01 | Display method of position and attitude of construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07150597A true JPH07150597A (en) | 1995-06-13 |
| JP2866289B2 JP2866289B2 (en) | 1999-03-08 |
Family
ID=17896690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5301422A Expired - Fee Related JP2866289B2 (en) | 1993-12-01 | 1993-12-01 | Display method of position and attitude of construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2866289B2 (en) |
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