NL8800042A - Ultrasonic detector for automatic milking device - uses ultrasonic sensors for feeding and-or following teat of cow, and terminal appts. for controlling milking operation - Google Patents

Ultrasonic detector for automatic milking device - uses ultrasonic sensors for feeding and-or following teat of cow, and terminal appts. for controlling milking operation Download PDF

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Publication number
NL8800042A
NL8800042A NL8800042A NL8800042A NL8800042A NL 8800042 A NL8800042 A NL 8800042A NL 8800042 A NL8800042 A NL 8800042A NL 8800042 A NL8800042 A NL 8800042A NL 8800042 A NL8800042 A NL 8800042A
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NL
Netherlands
Prior art keywords
ultrasonic
transmitter
receiver
ultrasonic detector
detector according
Prior art date
Application number
NL8800042A
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Dutch (nl)
Original Assignee
Multinorm Bv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Multinorm Bv filed Critical Multinorm Bv
Priority to NL8800042A priority Critical patent/NL8800042A/en
Priority to DE68928724T priority patent/DE68928724T2/en
Priority to DE68928489T priority patent/DE68928489T2/en
Priority to EP89200035A priority patent/EP0323875A3/en
Priority to EP91200695A priority patent/EP0439239B1/en
Priority to EP94201682A priority patent/EP0619941A3/en
Priority to EP91200696A priority patent/EP0440313B1/en
Priority to JP01004566A priority patent/JP3119359B2/en
Priority to US07/294,794 priority patent/US5020477A/en
Priority to DK007489A priority patent/DK7489A/en
Publication of NL8800042A publication Critical patent/NL8800042A/en
Priority to US07/625,357 priority patent/US5056466A/en
Priority to US08/085,687 priority patent/US5379721A/en
Priority to US08/370,317 priority patent/US5524572A/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/28Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01JMANUFACTURE OF DAIRY PRODUCTS
    • A01J5/00Milking machines or devices
    • A01J5/017Automatic attaching or detaching of clusters
    • A01J5/0175Attaching of clusters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/42Simultaneous measurement of distance and other co-ordinates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87Combinations of sonar systems
    • G01S15/876Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector

Abstract

The ultrasonic detector comprises a transmitter and a receiver for ultrasonic waves and a conical reflection surface disposed in the vicinity of the transmitter for reflection of the ultrasonic waves, in order to obtain a detection field of predetermined dimensions. In the vicinity of the receiver a conical reflection surface is disposed for determining the area within which the ultrasonic waves are reflected back to the receiver. The transmitter and receiver are integrated into a transmitter/ receiver unit. The transmitter/receiver unit is disposed in lying position while the conical reflection surface is located above it. The reflections from the moving teat measured by the ultrasonic sensors (52, 69, 71) are converted into sampled digital values/delta x, delta y) being relative position coordinates w.r.t. the sensors.

Description

fc: ï V.fc: ï V.

H AL/CP/470 Muit. * -1-H AL / CP / 470 Mut. * -1-

Ultrasone detector voor een automatische melkinrichtingUltrasonic detector for an automatic milking machine

De onderhavige uitvinding betreft een ultrasone detector volgens conclusie l.The present invention relates to an ultrasonic detector according to claim 1.

Ultrasone detectie-apparatuur voor automatische melkinrichtingen is beschreven in de Europese octrooiaanvrage 5 232.568 van dezelfde aanvraagster. Een probleem bij dit bekende systeem is het verkrijgen van een nauwkeurig qua hoogte bepaald detectieveld, terwijl in het door de hoogte bepaalde vlak een zo wijd mogelijke bundel gegenereerd moet worden, ten einde een koeieuier voorzien van een speen te 10 kunnen zoeken, vinden en/of benaderen.Ultrasonic detection equipment for automatic milking devices is described in European patent application 5 232,568 of the same applicant. A problem with this known system is obtaining an accurately height-determined detection field, while in the height-determined plane the widest possible beam has to be generated, in order to be able to search for, find and / or find a cow egg provided with a teat. or approach.

Verdere voordelen, kenmerken en details van de onderhavige uitvinding zullen duidelijk worden aan de hand van een beschrijving van een in een tekening getoond uitvoe-ringsvoorbeeld daarvan, waarin tonen: 15 fig. 1 een perspectivisch aanzicht van een automa tische melkinrichting, waarbij een ultrasone detector volgens de onderhavige uitvinding wordt toegepast; fig. 2 een schematisch, perspectivisch aanzicht van detail II uit fig. I; 20 fig. 3 detail III uit fig. 2; fig. 4 doorsnede over lijn IV-IV uit fig. 3; en fig. 5 detail V uit fig. 1.Further advantages, features and details of the present invention will become apparent from a description of an exemplary embodiment thereof shown in a drawing, in which: fig. 1 shows a perspective view of an automatic milking device, wherein an ultrasonic detector according to the present invention is used; fig. 2 shows a schematic, perspective view of detail II from fig. I; Fig. 3 detail III from fig. 2; Fig. 4 is a section along line IV-IV from Fig. 3; and fig. 5 detail V from fig. 1.

Bij een robot 1 (fig. 1) voor een automatische melkinrichting wordt een melkrek 2 vanuit een door kabels 3 25 resp. 4 via hefboom 5 en actuator 6 bepaalde nulstand naar een niet getoonde uier van bijv. een koe of een geit, gebracht. De robot 1 is verplaatsbaar langs rails 7 en 8 voor gebruik bij verschillende melklokaties; verdere details hiervan zijn beschreven in de niet vóórgepubliceerde Europese 30 octrooiaanvrage 87,202238.9.In a robot 1 (fig. 1) for an automatic milking implement, a milking rack 2 is moved from a cable 3, resp. 4, the zero position determined via lever 5 and actuator 6 is brought to an udder of a cow or goat, for example, which is not shown. The robot 1 is movable along rails 7 and 8 for use at different milking locations; further details of this are described in the non-prepublished European patent application 87,202238.9.

Op het melkrek 2 zijn vier melkbekers 9 gemonteerd, zoals beschreven in EP-A-232.568. Een grijper 10 van de melk- . 8800042.Four teat cups 9 are mounted on the milk rack 2, as described in EP-A-232.568. A grab 10 of the milk. 8800042.

* -2- robot 1 grijpt aan op het melkrek 2 en kan deze driedimensionaal bewegen.* -2- robot 1 engages the milking rack 2 and can move it three-dimensionally.

Boven de melkbekers 9 is een sensoreenheid 12 aangebracht, die twee liggende ultrasone zend/ontvang-eenheden 5 13 resp. 14 omvat - op zichzelf bekend -, en daarboven aangebrachte kegels 15 resp. 16 (fig. 2), bij voorkeur uit kunststof. Een voorbeeld van signaalverwerking van uit ultrasone sensors afkomstige signalen is beschreven in EP-A-232.568.A sensor unit 12 is arranged above the teat cups 9, which two ultrasonic transmit / receive units 5, 13, respectively. 14 comprises, known per se, and cones 15 and 8 arranged above it. 16 (fig. 2), preferably made of plastic. An example of signal processing of signals from ultrasonic sensors is described in EP-A-232,568.

In een huis 17 voor de sensors is een ruimte 18 10 voor het opnemen van de elektronica aanwezig, welke elektronica op niet getoonde wijze met een centrale stuureenheid is verbonden. Bij voorkeur zijn de kegels 15, 16 en het huis 17 van aluminium of kunststof - de kegelvlakken glad gepolijst -, opdat de zend/ontvang-eenheid robuust is, bestand is 15 tegen vuil en niet kan roesten.In a housing 17 for the sensors there is a space 18 for receiving the electronics, which electronics are connected to a central control unit in a manner not shown. Preferably, the cones 15, 16 and the housing 17 are made of aluminum or plastic - the conical surfaces are smoothly polished - so that the transmitter / receiver unit is robust, resistant to dirt and cannot rust.

Indien de zend/ontvang-eenheden 13 en 14 onder een onderlinge hoek c* van bijv. 50° zijn opgesteld, ontstaat een geschikt detectieveld voor slechts één speen tegelijk, zonder dat de sensoreenheden zich in eikaars detectieveld bevinden; 20 ter vermijding van dit laatstgenoemde kan een scherm 19 uit geluiddempend materiaal aan het huis 17 zijn bevestigd.If the transmit / receive units 13 and 14 are arranged at an mutual angle c * of, for example, 50 °, a suitable detection field is created for only one teat at a time, without the sensor units being in each other's detection field; 20 to avoid the latter, a screen 19 of sound-damping material may be attached to the housing 17.

Bij de getoonde voorkeursuitvoeringsvorm zijn de kegelstukken 15, 16 aan het huis gemonteerd, bijv. gelijmd.In the preferred embodiment shown, the cone pieces 15, 16 are mounted on the housing, e.g. glued.

Door een zend/ontvang-eenheid 13 (fig. 3, 4) vol-25 gens pijlen A uitgezonden en ontvangen bundels ultrasone golven vormen een brede bundel, zoals aangegeven met de pijlen C. De halve tophoek β van de kegel bedraagt bij voorkeur ongeveer 35°, terwijl de kegel bij voorkeur enigszins naar voren geheld staat opgesteld, opdat een generatrice G van het 30 kegel vlak een hoek if van ongeveer 45° met de liggend opgestelde zend/ontvang-eenheid 13 maakt.Beams of ultrasonic waves emitted and received by a transmit / receive unit 13 (Fig. 3, 4) according to arrows A form a wide beam, as indicated by arrows C. The half apex angle β of the cone is preferably approximately 35 °, while the cone is preferably arranged slightly inclined forward, so that a generator G of the cone plane makes an angle if of approximately 45 ° with the transmit / receive unit 13 arranged horizontally.

Door variatie van de halve tophoek β van de kegel en/of de afstand tussen de top van de kegel en het hart van de sensor en/of de afmetingen van de sensor kan de omvang van 35 het veld in horizontale richting aangepast worden.By varying the half top angle β of the cone and / or the distance between the top of the cone and the center of the sensor and / or the dimensions of the sensor, the size of the field can be adjusted in horizontal direction.

Indien enigszins van de kegelvorm wordt afgeweken, bijv. een generatrice G' een enigszins concave vorm ten op- .8800042.If it deviates slightly from the conical shape, for example a generator G 'has a slightly concave shape as compared to 8800042.

f -3- zichte van de vertikaal heeft, kan zodoende de hoogte van het detectieveld - de richtingen tussen de bundellijnen C - naar wens gevormd worden.f -3- has a view of the vertical, the height of the detection field - the directions between the beam lines C - can thus be formed as desired.

Door variatie van de hoek d' kan de hoofdrichting 5 van het veld aangepast worden aan de stand van de sensor.By varying the angle d ', the main direction of the field can be adapted to the position of the sensor.

Via een zuigerstang 30 (fig. 5) kan een bovenstuk 31 van de melkbeker 9 automatisch omhoog bewogen worden, terwijl de positie van een melkbeker ten opzichte van een speen 20' met behulp van bij tenminste één melkbeker aangebrachte 10 ultrasone zend/ontvang-eenheden 32 gecorrigeerd kan worden.Via a piston rod 30 (fig. 5), a top piece 31 of the teat cup 9 can be automatically moved upwards, while the position of a teat cup relative to a teat 20 'with the aid of 10 ultrasonic transmitting / receiving units mounted on at least one teat cup 32 can be corrected.

Hierbij worden de ultrasone golven tegen een ultrasoon spiegelvlak 33 in een kruispunt C gericht, waar de speen zich dient te bevinden ten einde het bovenstuk 31 op juiste wijze daaromheen te kunnen brengen. Bij voorkeur bestaat het spie-15 gelvlak 33 uit een kegelvlak, zoals getoond in de fig. 3 en 4, waarbij echter een generatrice een enigszins convexe vorm heeft, ten einde een ook in hoogte verbrede bundel te krijgen. Bij bepaalde uitvoeringsvormen zal een dergelijke zend/ ontvang-eenheid 32 achterwege kunnen blijven, bijv. bij een 20 uitvoeringsvorm die gebruik maakt van drie sensoreenheden, zoals aangegeven met 13, 14.The ultrasonic waves are hereby directed against an ultrasonic mirror surface 33 in an intersection C, where the teat must be located in order to be able to bring the top piece 31 around it correctly. Preferably, the mirror surface 33 consists of a conical surface, as shown in Figures 3 and 4, but a generator has a somewhat convex shape, in order to obtain a beam which is also widened in height. In certain embodiments, such a transmit / receive unit 32 may be omitted, eg in an embodiment using three sensor units, as indicated by 13, 14.

De onderhavige uitvinding is niet beperkt tot het bovenbeschreven uitvoeringsvoorbeeld, waarin een geïntegreerde zend/ontvang-eenheid wordt toegepast. De reflectievlakken 25 kunnen ook zowel bij een afzonderlijke ontvanger als bij een afzonderlijke ultrasone zender worden toegepast.The present invention is not limited to the above-described exemplary embodiment, in which an integrated transmit / receive unit is used. The reflection surfaces 25 can also be used with a separate receiver as well as with a separate ultrasonic transmitter.

.$800042. $ 800042

Claims (12)

1. Ultrasone detector voor een automatische melkinrichting, omvattende een zender voor ultrasone golven en • een ontvanger voor ultrasone golven en een in de nabijheid van de zender opgesteld, in hoofdzaak kegelvormig reflectie-5 vlak voor reflectie van de door de zender uitgezonden ultrasone golven, ten einde een bundel ultrasone golven van voorafbepaalde afmetingen te verkrijgen.1. Ultrasonic detector for an automatic milking device, comprising a transmitter for ultrasonic waves and a receiver for ultrasonic waves and a substantially conical reflection plane arranged in the vicinity of the transmitter for reflection of the ultrasonic waves emitted by the transmitter, in order to obtain a beam of ultrasonic waves of predetermined dimensions. 2. Ultrasone detector volgens conclusie 1, waarbij in de nabijheid van de ontvanger een in hoofdzaak kegelvormig 10 reflectievlak is opgesteld voor bepaling van het gebied, waarbinnen de ultrasone golven naar de ontvanger worden teruggestraald.2. Ultrasonic detector according to claim 1, wherein a substantially conical reflection surface is arranged in the vicinity of the receiver for determining the area within which the ultrasonic waves are radiated back to the receiver. 3. Ultrasone detector volgens conclusie 1 of 2, waarbij de zender en ontvanger in een zend/ontvang-eenheid 15 zijn geïntegreerd.Ultrasonic detector according to claim 1 or 2, wherein the transmitter and receiver are integrated in a transmitter / receiver unit 15. 4. Ultrasone detector volgens conclusie 3, waarbij de zend/ontvang-eenheid liggend is opgesteld, terwijl het conische reflectievlak zich daarboven bevindt.The ultrasonic detector of claim 3, wherein the transmit / receive unit is disposed horizontally, with the conical reflection surface located above it. 5. Ultrasone detector volgens één van de voorgaande 20 conclusies, waarbij de hartlijn van de conus of kegel enigszins schuin ten opzichte van de vertikaal is opgesteld.Ultrasonic detector according to any one of the preceding claims, wherein the center line of the cone or cone is arranged slightly obliquely relative to the vertical. 6. Ultrasone detector volgens één van de voorgaande conclusies, waarbij de grootte van de halve tophoek van de kegel tussen ongeveer 20° en 45°, bijv. 22,5° of 35°, be- 25 draagt.Ultrasonic detector according to any one of the preceding claims, wherein the size of the half top angle of the cone is between about 20 ° and 45 °, eg 22.5 ° or 35 °. 7. Ultrasone detector volgens conclusie 4, 5 of 6, met het kenmerk dat de grootte van de hoek tussen een genera-trice van het kegelvlak en een lijn loodrecht op een vertikaal afsnijvlak ongeveer 45° is.Ultrasonic detector according to claim 4, 5 or 6, characterized in that the magnitude of the angle between a genera of the conical plane and a line perpendicular to a vertical cut-off plane is approximately 45 °. 8. Ultrasone detector volgens één van de conclusies 1-7, met het kenmerk dat het reflectievlak door een kegelstuk uit kunststof wordt gevormd.Ultrasonic detector according to one of Claims 1 to 7, characterized in that the reflection surface is formed by a plastic cone piece. 9. Ultrasone detector volgens één van de conclusies 1-8, met het kenmerk dat een generatrice van het in hoofdzaak .8800042 -5- * kegelvormige vlak, enigszins concaaf of convex is ten opzichte van een hartlijn van het kegellichaam.Ultrasonic detector according to any one of claims 1-8, characterized in that a generator of the substantially .8800042 -5- * conical surface is somewhat concave or convex with respect to a centerline of the cone body. 10. Melkstel voorzien van vier om respectievelijke spenen van een koe te brengen melkbekers, waarbij twee ultra- 5 sone detectors volgens één van de voorgaande conclusies onder een onderlinge hoek, bijv. 50°, zijn opgesteld.10. Milking cluster provided with four teat cups for bringing respective teats to a cow, two ultrasonic detectors according to one of the preceding claims being arranged at an mutual angle, eg 50 °. 11. Melkstel volgens één van de voorgaande conclusies, waarbij tenminste bij één melkbeker een extra ultrasone sensoreenheid is aangebracht.Milking cluster according to one of the preceding claims, in which at least one teat cup has an additional ultrasonic sensor unit. 12. Melkstel volgens conclusie 10, gekenmerkt door tenminste één verdere sensoreenheid. .8800042Milking cluster according to claim 10, characterized by at least one further sensor unit. 8800042
NL8800042A 1988-01-08 1988-01-08 Ultrasonic detector for automatic milking device - uses ultrasonic sensors for feeding and-or following teat of cow, and terminal appts. for controlling milking operation NL8800042A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL8800042A NL8800042A (en) 1988-01-08 1988-01-08 Ultrasonic detector for automatic milking device - uses ultrasonic sensors for feeding and-or following teat of cow, and terminal appts. for controlling milking operation
EP94201682A EP0619941A3 (en) 1988-01-08 1989-01-06 Element for positioning an animal.
DE68928489T DE68928489T2 (en) 1988-01-08 1989-01-06 Device for positioning an animal, terminal for an automatic milking system and method for automatically milking an animal
EP89200035A EP0323875A3 (en) 1988-01-08 1989-01-06 Ultrasonic detector, methods for searching a moving object, ultrasonic sensor unit, element for positioning an animal, terminal apparatus for an automatic milking system, and method for automatically milking an animal
EP91200695A EP0439239B1 (en) 1988-01-08 1989-01-06 Method and robot system for searching a moving object,
DE68928724T DE68928724T2 (en) 1988-01-08 1989-01-06 Method and robot system for searching a moving object
EP91200696A EP0440313B1 (en) 1988-01-08 1989-01-06 Element for positioning an animal, terminal apparatus for an automatic milking system, and method for automatically milking an animal
JP01004566A JP3119359B2 (en) 1988-01-08 1989-01-09 Ultrasonic detector for automatic milking apparatus, automatic milking apparatus and milking method using the same
US07/294,794 US5020477A (en) 1988-01-08 1989-01-09 Automatic milking device and method of operation thereof
DK007489A DK7489A (en) 1988-01-08 1989-01-09 ULTRASONIC DETECTOR, PROCEDURE FOR LOCATING A MOVABLE ITEM, ULTRASONIC SENSOR, CONSTRUCTION PART FOR LOCATION OF AN ANIMAL, TERMINAL APPLIANCE FOR AN AUTOMATIC MILKING PLANT, AND MAKE OUT
US07/625,357 US5056466A (en) 1988-01-08 1990-12-11 Positioning means for an animal relative to automatic milking apparatus
US08/085,687 US5379721A (en) 1988-01-08 1993-06-25 Automatic milking apparatus
US08/370,317 US5524572A (en) 1988-01-08 1995-01-10 Method for automatic milking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8800042A NL8800042A (en) 1988-01-08 1988-01-08 Ultrasonic detector for automatic milking device - uses ultrasonic sensors for feeding and-or following teat of cow, and terminal appts. for controlling milking operation
NL8800042 1988-07-13

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NL8800042A true NL8800042A (en) 1989-08-01

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US8726843B2 (en) 2010-08-31 2014-05-20 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US9763424B1 (en) 2010-08-31 2017-09-19 Technologies Holdings Corp. Vision system for facilitating the automated application of disinfectant to the teats of dairy livestock
US9433184B2 (en) 2010-08-31 2016-09-06 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US10595501B2 (en) 2010-08-31 2020-03-24 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US10595500B2 (en) 2010-08-31 2020-03-24 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US10477828B2 (en) 2010-08-31 2019-11-19 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US10327414B2 (en) 2010-08-31 2019-06-25 Technologies Holdings Corp. System and method for controlling the position of a robot carriage based on the position of a milking stall of an adjacent rotary milking platform
US10111401B2 (en) 2010-08-31 2018-10-30 Technologies Holdings Corp. System and method for determining whether to operate a robot in conjunction with a rotary parlor
US8800487B2 (en) 2010-08-31 2014-08-12 Technologies Holdings Corp. System and method for controlling the position of a robot carriage based on the position of a milking stall of an adjacent rotary milking platform
US8807086B2 (en) 2010-08-31 2014-08-19 Technologies Holdings Corp Automated system for applying disinfectant to the teats of dairy livestock
US8807085B2 (en) 2010-08-31 2014-08-19 Technologies Holdings Corp. Automated system for applying disinfectant to the teats of dairy livestock
US9980458B2 (en) 2010-08-31 2018-05-29 Technologies Holdings Corp. System and method for controlling the position of a robot carriage based on the position of a milking stall of an adjacent rotary milking platform
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