EP1209641A2 - Method for operating a radio remote control installation - Google Patents
Method for operating a radio remote control installation Download PDFInfo
- Publication number
- EP1209641A2 EP1209641A2 EP01126642A EP01126642A EP1209641A2 EP 1209641 A2 EP1209641 A2 EP 1209641A2 EP 01126642 A EP01126642 A EP 01126642A EP 01126642 A EP01126642 A EP 01126642A EP 1209641 A2 EP1209641 A2 EP 1209641A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- receiver
- transmitter
- transmission
- transmission power
- radio connection
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/90—Additional features
- G08C2201/91—Remote control based on location and proximity
Definitions
- the invention relates to a method for operating a radio remote control system according to the preamble of claim 1.
- the subject relates to the control of industrial devices such as Example cranes, robots, construction machinery or the like, but also of motor vehicles of all kinds, especially commercial vehicles such as Truck or agricultural Machines with the help of which certain processing or work operations are carried out become.
- industrial devices such as Example cranes, robots, construction machinery or the like
- motor vehicles such as Truck or agricultural Machines with the help of which certain processing or work operations are carried out become.
- These are often devices that need to be ensured that work operations are not carried out erroneously or incorrectly, as a result of this considerable security risk for people can arise.
- the object of the invention is therefore to operate a radio remote control system in such a way that this security risk is significantly reduced.
- the basic idea of the invention is therefore to be seen in the fact that control is only possible can take place if there is a minimum distance between Sender and receiver is observed.
- This minimum distance can depend on the respective individual working conditions and types of industrial equipment can be set, for example so that a radio connection can only be established if there is a visual distance between the operator and the device to be operated with the receiver consists. Every time the transmitter is switched off, a routine is started the end of which, for example, reduces the transmission power and / or the reception sensitivity of sender and / or receiver stands, with the consequence that an activation the radio connection can only take place if the received signal is a predetermined one Threshold exceeds or otherwise by the receiver as a signal at all "is recognized.
- the modified parameters e.g. sensitivity / gain factors
- the modified parameters set their normal value, so that from here the usual evaluation of the received Signals can be made in the control information of the device to be controlled.
- the figure shows a known radio remote control system formed from transmitter 10 and receiver 20, in which the transmission signal containing the control information via a transmission antenna 11 is transmitted to a receiving antenna 21 and from there to an RF receiver 24 arrives in the receiver 20.
- the information transmitted consists of a large number of radio remote control methods a sequence of telegrams, of which a first section transports the useful signal, and which has a second section with a few bits, usually one represent a specific test pattern that is used by the recipient for confirmation and synchronization purposes is used.
- a decoding unit 25 After decoding the received signal in a decoding unit 25 this is fed to a comparator 26, where the bit pattern of said second section of each telegram with a predetermined test bit pattern is compared. Only if a predetermined degree of correspondence between received / decoded Bit pattern on the one hand and predetermined test bit pattern on the other is determined, a control signal S is generated for that to be controlled Industrial device, as shown by the arrow.
- the invention takes advantage of the fact that with decreasing signal strength the detection of the bit pattern in the transmission telegram becomes increasingly unreliable and eventually falls below the specified "detection rate".
- the method according to the invention initially sees a switch 23, which has an attenuator 22 bridged before the RF receiving part 24, is placed in the open state shown.
- the figure thus shows the state before a new one was built Radio connection exists.
- the missing bit pattern match in the comparator 26 recognized again, opened again via the control line 28 of the switch 23 and that Attenuator 22 is activated, whereby a radio connection cycle has expired.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Betrieb einer Funkfernsteuerungsanlage gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a method for operating a radio remote control system according to the preamble of claim 1.
Insbesondere betrifft die Gegenstand die Steuerung von industriellen Geräten, wie zum Beispiel Kränen, Robotern, Baumaschinen oder ähnlichem, aber auch von Kraftfahrzeugen aller Art, insbesondere von Nutzfahrzeugen wie z.B. LKW oder landwirtschaftlichen Maschinen, mit deren Hilfe bestimmte Bearbeitungs- oder Arbeitsvorgänge durchgeführt werden. Es handelt sich hierbei oft um Geräte, bei denen sichergestellt werden muss, dass Arbeitsvorgänge nicht irrtümlich oder falsch durchgeführt werden, da hierdurch ein erhebliches Sicherheitsrisiko für Personen entstehen kann. Im hier interessierenden Zusammenhang bedeutet dies, dass sichergestellt sein muss, das der Sender nicht unbewusst oder irrtümlich aktiviert ist und dem Empfänger Steuerinformationen übermittelt werden, die unter Umständen zu erheblichen Fehlfunktionen und den damit verbundenen Risiken führen.In particular, the subject relates to the control of industrial devices such as Example cranes, robots, construction machinery or the like, but also of motor vehicles of all kinds, especially commercial vehicles such as Truck or agricultural Machines with the help of which certain processing or work operations are carried out become. These are often devices that need to be ensured that work operations are not carried out erroneously or incorrectly, as a result of this considerable security risk for people can arise. In the context of interest here this means that it must be ensured that the transmitter is not unconscious or is activated by mistake and transmits control information to the recipient that can lead to significant malfunctions and the associated To take risks.
Aufgabe der Erfindung ist es somit, eine Funkfernsteuerungsanlage so zu betreiben, dass dieses Sicherheitsrisiko erheblich reduziert wird.The object of the invention is therefore to operate a radio remote control system in such a way that this security risk is significantly reduced.
Erfindungsgemäß wird diese Aufgabe gemäß dem kennzeichnenden Teil des Patentanspruchs 1 gelöst.According to the invention, this object is achieved according to the characterizing part of the patent claim 1 solved.
Der Grundgedanke der Erfindung ist also darin zu sehen, dass eine Steuerung nur dann erfolgen kann, wenn beim Aufbau der Funkverbindung ein Mindestabstand zwischen Sender und Empfänger eingehalten wird. Dieser Mindestabstand kann auf die jeweiligen individuellen Arbeitsbedingungen und Typen von Industriegeräten eingestellt werden, beispielsweise so, dass eine Funkverbindung nur hergestellt werden kann, wenn Sichtabstand zwischen der Bedienungsperson und dem zu bedienenden Gerät mit dem Empfänger besteht. Bei jedem Ausschalten des Senders wird eine Routine in Gang gesetzt, an deren Ende bspw. eine Reduzierung der Sendeleistung und/oder der Empfangsempfindlichkeit von Sender und/oder Empfänger steht, mit der Konsequenz, dass eine Aktivierung der Funkverbindung nur erfolgen kann, wenn das empfangene Signal eine vorgegebene Schwelle überschreitet oder auf andere Art und Weise vom Empfänger überhaupt als Signal "erkannt" wird. Dies wird nur dann der Fall sein, wenn der Abstand zwischen Sender und Empfänger das gewünschte Mindestmaß erreicht oder unterschreitet, womit dann im Einzelfall beispielsweise der Blickkontakt zwischen Bedienperson und zu steuemdem Gerät gewährleistet ist. Ist diese Erkennung erfolgt, werden die modifizierten Parameter (bspw. Empfindlichkeit/Verstärkungsfaktoren) im Sender und/oder Empfänger wieder auf ihren Normalwert gesetzt, so dass von hier aus dann die übliche Auswertung der empfangenen Signale in Steuerinformationen des zu steuernden Gerätes erfolgen kann.The basic idea of the invention is therefore to be seen in the fact that control is only possible can take place if there is a minimum distance between Sender and receiver is observed. This minimum distance can depend on the respective individual working conditions and types of industrial equipment can be set, for example so that a radio connection can only be established if there is a visual distance between the operator and the device to be operated with the receiver consists. Every time the transmitter is switched off, a routine is started the end of which, for example, reduces the transmission power and / or the reception sensitivity of sender and / or receiver stands, with the consequence that an activation the radio connection can only take place if the received signal is a predetermined one Threshold exceeds or otherwise by the receiver as a signal at all "is recognized. This will only be the case if the distance between transmitters and recipient reaches or falls below the desired minimum, which then In individual cases, for example, eye contact between the operator and the device to be controlled is guaranteed. Once this detection has taken place, the modified parameters (e.g. sensitivity / gain factors) in the transmitter and / or receiver set their normal value, so that from here the usual evaluation of the received Signals can be made in the control information of the device to be controlled.
Ausgestaltungen dieses Verfahrens sind den Unteransprüchen zu entnehmen.Refinements of this method can be found in the subclaims.
Ein bevorzugtes Ausführungsbeispiel einer Vorrichtung zur Durchführung des erfindungsgemässen Verfahrens ist in der Zeichnung erläutert:A preferred embodiment of a device for performing the inventive The procedure is explained in the drawing:
Die Figur zeigt eine bekannte, aus Sender 10 und Empfänger 20 gebildete Funkfemsteueranlage,
bei der das die Steuerinformation enthaltende Sendesignal über eine Sendeantenne
11 an eine Empfangsantenne 21 übermittelt wird und von dort zu einem HF-Empfänger
24 im Empfänger 20 gelangt.The figure shows a known radio remote control system formed from
Bei einer Vielzahl von Funkfemsteuerverfahren besteht die übersandte Information aus
einer Folge von Telegrammen, von dem jeweils ein erster Abschnitt das Nutzsignal transportiert,
und das einen zweiten Abschnitt mit einigen Bits aufweist, die in der Regel ein
bestimmtes Prüfmuster darstellen, das beim Empfänger für Bestätigungs- und Synchronisierzwecke
benutzt wird. Nach der Dekodierung des empfangenen Signals in einer Dekodiereinheit
25 wird dieses einem Komparator 26 zugeleitet, wo das Bitmuster des genannten
zweiten Abschnitts jedes Telegramms mit einem vorgegebenen Prüf-Bitmuster
verglichen wird. Nur, wenn ein vorgegebener Grad der Übereinstimmung zwischen empfangenem/dekodiertem
Bitmuster einerseits und vorgegebenem Prüf-Bitmuster andererseits
festgestellt wird, erfolgt die Generierung eines Steuersignals S für das zu steuemde
Industriegerät, wie dies durch den Pfeil dargestellt sein soll.The information transmitted consists of a large number of radio remote control methods
a sequence of telegrams, of which a first section transports the useful signal,
and which has a second section with a few bits, usually one
represent a specific test pattern that is used by the recipient for confirmation and synchronization purposes
is used. After decoding the received signal in a
Zur Umsetzung des erfindungsgemäßen Verfahrens nutzt die Erfindung die Tatsache aus, dass mit abnehmender Signalstärke die Erkennung des Bitmusters im Sendetelegramm immer unzuverlässiger wird und schließlich unter die vorgegebene "Erkennungsrate" fällt.To implement the method according to the invention, the invention takes advantage of the fact that with decreasing signal strength the detection of the bit pattern in the transmission telegram becomes increasingly unreliable and eventually falls below the specified "detection rate".
Bei der Beendigung einer Funkverbindung sieht das erfindungsgemäße Verfahren zunächst
vor, dass über eine Steuerleitung 28 ein Schalter 23, der ein Dämpfungsglied 22
vor dem HF-Empfangsteil 24 überbrückt, in den dargestellten Offen-Zustand gelegt wird. When a radio connection is ended, the method according to the invention initially sees
a
In der Figur ist somit derjenige Zustand dargestellt, der vor dem Aufbau einer neuen Funkverbindung besteht.The figure thus shows the state before a new one was built Radio connection exists.
Werden nun vom Sender 10 nach Einschalten der dort vorgesehenen Bauteile neue Telegramme
zum Empfänger 20 gesendet, so wird deren Qualität durch die einstellbare
Dämpfung des Dämpfungsglieds 22 so "verschlechtert", dass beim nachfolgenden Vergleich
des erhaltenen Bitmusters mit dem vorgegebenen Bitmuster die Erkennungsrate
nicht mehr erreicht wird und folglich das Telegramm als nicht gültig verworfen wird und
demnach auch kein Steuersignal S für das zu steuernde Industriegerät generiert wird.
Erst, wenn der Abstand A zwischen den beiden Antennen 11 und 21 ein bestimmtes Maß
unterschreitet, ist die Empfangsamplitude des gesendeten Signals so stark, dass trotz der
Dämpfung durch das Dämpfungsglied 22 das empfangene Bitmuster der Telegramme in
den vorgegebenen Grenzen mit dem Prüf-Bitmuster übereinstimmt und somit als gültig
erkannt wird. Nach einer vorgebbaren Anzahl von derart als gültig erkannten Telegrammen
wird der Schalter 23 über die Steuerleitung 28 geschlossen, wodurch das Dämpfungsglied
22 überbrückt und deaktiviert wird, und der normale Sendebetrieb etabliert
wird.Now send new telegrams from the
Nach Beendigung der Funkverbindung, sei es durch Abschalten des Senders oder durch
zu geringe Sendeleistung, wird die fehlende Bitmusterübereinstimmung im Komparator 26
wieder erkannt, über die Steuerleitung 28 der Schalter 23 wieder geöffnet und das
Dämpfungsglied 22 aktiviert, womit ein Funkverbindungszyklus abgelaufen ist.After the radio connection has ended, either by switching off the transmitter or by
too low transmission power, the missing bit pattern match in the comparator 26
recognized again, opened again via the
Die in der Figur dargestellten Bauteile dienen lediglich zur Veranschaulichung des erfindungsgemäßen Verfahrens und können hardwaremäßig und softwaremäßig auf verschiedene Weise umgesetzt werden.The components shown in the figure only serve to illustrate the inventive Procedures and hardware and software can be different Be implemented in a way.
Claims (7)
dadurch gekennzeichnet, dass nach Beendigung einer Funkverbindung mindestens einer der Sende- oder Empfangsparameter des Senders (10) oder des Empfängers (20) gegenüber ihrem Standardwert so modifiziert wird/werden, dass der Aufbau einer neuen Funkverbindung nur möglich ist, wenn der Abstand zwischen Sender und Empfänger ein vorgegebenes Maß nicht überschreitet, und dass nach Aufbau der neuen Funkverbindung unter dieser Bedingung der/die jeweilige(n) Parameter wieder auf seinen Standardwert zurückgesetzt wird/werden.Method for operating a radio remote control system with at least one transmitter and at least one receiver, in particular for the transmission of control signals to industrial devices,
characterized in that after the termination of a radio connection, at least one of the transmission or reception parameters of the transmitter (10) or of the receiver (20) is / are modified in relation to their standard value such that the establishment of a new radio connection is only possible if the distance between the transmitter and the receiver does not exceed a predetermined dimension, and that after the new radio connection has been set up, the respective parameter (s) is / are reset to its standard value under this condition.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10058678A DE10058678C2 (en) | 2000-11-25 | 2000-11-25 | Method for operating a radio remote control system |
DE10058678 | 2000-11-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1209641A2 true EP1209641A2 (en) | 2002-05-29 |
EP1209641A3 EP1209641A3 (en) | 2006-12-20 |
EP1209641B1 EP1209641B1 (en) | 2008-04-16 |
Family
ID=7664723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01126642A Expired - Lifetime EP1209641B1 (en) | 2000-11-25 | 2001-11-08 | Method for operating a radio remote control installation |
Country Status (6)
Country | Link |
---|---|
US (1) | US6980121B2 (en) |
EP (1) | EP1209641B1 (en) |
AT (1) | ATE392688T1 (en) |
DE (2) | DE10058678C2 (en) |
DK (1) | DK1209641T3 (en) |
ES (1) | ES2303824T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012168041A1 (en) * | 2011-06-09 | 2012-12-13 | Schneider Electric Industries Sas | System for intuitively driving a bridge crane |
FR2997071A1 (en) * | 2012-10-23 | 2014-04-25 | Schneider Electric Ind Sas | Control system for overhead traveling crane, has control case with storage unit, and reading unit arranged for reading displacement sequence with regard to stored reference sequence when control system is in normal mode |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10311836B4 (en) * | 2003-03-18 | 2006-10-05 | Integrated Electronic Systems !Sys Consulting Gmbh | Remote controlled industrial device |
US7519400B2 (en) * | 2005-05-27 | 2009-04-14 | Dei Headquarters, Inc. | Multi-modulation remote control communication system |
KR101360250B1 (en) * | 2007-03-06 | 2014-02-10 | 삼성전자 주식회사 | Apparatus and method for reporting and perceiving a neighborhood object |
US20130079951A1 (en) * | 2011-09-22 | 2013-03-28 | Alcatel-Lucent Usa Inc. | Vehicle Device |
JP7029724B2 (en) * | 2017-12-29 | 2022-03-04 | ユニパルス株式会社 | Cargo handling assistance device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0629758A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges selected by means of threshold detection |
US5420568A (en) * | 1992-03-31 | 1995-05-30 | Kansei Corporation | Wireless door locking and unlocking system for motor vehicles having theft alarm device |
EP0930409A1 (en) * | 1998-01-20 | 1999-07-21 | Mannesmann VDO Aktiengesellschaft | Receiving device for a remote control system and method of operating a remote control system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US3263141A (en) * | 1963-02-26 | 1966-07-26 | Kaman Aircraft Corp | Radio controlled plural motor crane control system |
US3774217A (en) * | 1973-02-21 | 1973-11-20 | Tele E Lect Inc | Radio control system for mobile aerial platforms |
JP2875019B2 (en) * | 1989-05-18 | 1999-03-24 | シーメンス アクチエンゲゼルシャフト | Transmitter-receiver system |
DE9004042U1 (en) * | 1990-04-06 | 1990-08-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
JP2700710B2 (en) * | 1990-06-21 | 1998-01-21 | 新キャタピラー三菱株式会社 | Warning device for construction machinery |
DE9102747U1 (en) * | 1990-12-21 | 1991-05-23 | Siemens Ag, 8000 Muenchen, De | |
DE4124181C2 (en) * | 1991-07-20 | 1997-01-23 | Daimler Benz Ag | Method for operating a hand-held transmitter for controlling vehicle functions |
DE4437490C2 (en) * | 1993-12-02 | 1996-07-25 | Gros Gerhard | High-frequency receiving device for special security requirements |
DE19600791B4 (en) * | 1996-01-11 | 2004-10-14 | Nbb Nachrichtentechnik Gmbh + Co. Kg | Device for obtaining directional information in remote control systems |
US6472999B1 (en) * | 1999-03-08 | 2002-10-29 | Trw Inc. | Apparatus and method for remote convenience message reception with signal strength determination |
-
2000
- 2000-11-25 DE DE10058678A patent/DE10058678C2/en not_active Expired - Fee Related
-
2001
- 2001-11-08 DK DK01126642T patent/DK1209641T3/en active
- 2001-11-08 DE DE50113856T patent/DE50113856D1/en not_active Expired - Fee Related
- 2001-11-08 EP EP01126642A patent/EP1209641B1/en not_active Expired - Lifetime
- 2001-11-08 ES ES01126642T patent/ES2303824T3/en not_active Expired - Lifetime
- 2001-11-08 AT AT01126642T patent/ATE392688T1/en not_active IP Right Cessation
- 2001-11-26 US US09/991,869 patent/US6980121B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5420568A (en) * | 1992-03-31 | 1995-05-30 | Kansei Corporation | Wireless door locking and unlocking system for motor vehicles having theft alarm device |
EP0629758A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges selected by means of threshold detection |
EP0930409A1 (en) * | 1998-01-20 | 1999-07-21 | Mannesmann VDO Aktiengesellschaft | Receiving device for a remote control system and method of operating a remote control system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012168041A1 (en) * | 2011-06-09 | 2012-12-13 | Schneider Electric Industries Sas | System for intuitively driving a bridge crane |
FR2976275A1 (en) * | 2011-06-09 | 2012-12-14 | Schneider Electric Ind Sas | INTUITIVE ROTATING BRIDGE SYSTEM |
FR2997071A1 (en) * | 2012-10-23 | 2014-04-25 | Schneider Electric Ind Sas | Control system for overhead traveling crane, has control case with storage unit, and reading unit arranged for reading displacement sequence with regard to stored reference sequence when control system is in normal mode |
Also Published As
Publication number | Publication date |
---|---|
DK1209641T3 (en) | 2008-07-28 |
US6980121B2 (en) | 2005-12-27 |
ES2303824T3 (en) | 2008-09-01 |
EP1209641B1 (en) | 2008-04-16 |
EP1209641A3 (en) | 2006-12-20 |
ATE392688T1 (en) | 2008-05-15 |
US20020063634A1 (en) | 2002-05-30 |
DE50113856D1 (en) | 2008-05-29 |
DE10058678A1 (en) | 2002-07-11 |
DE10058678C2 (en) | 2002-11-14 |
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