JP6520797B2 - 物品搬送設備 - Google Patents
物品搬送設備 Download PDFInfo
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- JP6520797B2 JP6520797B2 JP2016078786A JP2016078786A JP6520797B2 JP 6520797 B2 JP6520797 B2 JP 6520797B2 JP 2016078786 A JP2016078786 A JP 2016078786A JP 2016078786 A JP2016078786 A JP 2016078786A JP 6520797 B2 JP6520797 B2 JP 6520797B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67724—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations by means of a cart or a vehicule
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67276—Production flow monitoring, e.g. for increasing throughput
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0234—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons
- G05D1/0236—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons in combination with a laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
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- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0214—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory in accordance with safety or protection criteria, e.g. avoiding hazardous areas
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- G—PHYSICS
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- G05D1/024—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors in combination with a laser
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0242—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using non-visible light signals, e.g. IR or UV signals
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0257—Control of position or course in two dimensions specially adapted to land vehicles using a radar
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0276—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67294—Apparatus for monitoring, sorting or marking using identification means, e.g. labels on substrates or labels on containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67715—Changing the direction of the conveying path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67727—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations using a general scheme of a conveying path within a factory
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/6773—Conveying cassettes, containers or carriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67733—Overhead conveying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0297—Wafer cassette
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31003—Supervise route, reserve route and allocate route to vehicle, avoid collision
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31005—Detect obstacles on path of vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Automation & Control Theory (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Description
前記走行経路は、予め規定された領域である管理領域内の管理対象経路と、当該管理領域の外部の一般経路とを含み、
前記搬送管理装置は、1つの前記管理領域における前記管理対象経路に存在する前記物品搬送車の台数である領域内台数が、予め規定された管理台数以下となるように前記管理領域への前記物品搬送車の進入を管理し、
さらに、
ワイヤレス信号を各物品搬送車との間で送受信する複数のアクセスポイントと、
前記物品搬送車のそれぞれに搭載され、前記物品搬送車を識別する情報を少なくとも含むタグ情報を前記ワイヤレス信号として送信するワイヤレスタグと、
各アクセスポイントを介して前記物品搬送車のそれぞれの前記タグ情報を取得し、複数の前記アクセスポイントが受信した同一の前記タグ情報に基づいて、各物品搬送車の位置を検出する位置検出装置と、を備え、
前記位置検出装置は、前記管理領域内の複数の箇所を区別可能な精度で各物品搬送車の位置を検出し、
前記搬送管理装置は、各物品搬送車の位置を示す情報である位置情報を前記位置検出装置から取得し、当該位置情報に基づいて、前記管理領域内の下流側において予め規定された範囲内に、先行車としての前記物品搬送車が存在する場合には、前記領域内台数から当該先行車の台数を減じて、後続車としての前記物品搬送車の前記管理領域への進入を管理して、前記管理台数を超えて前記管理領域内に前記物品搬送車が進入することを許容する。
前記走行経路は、予め規定された領域である管理領域内の管理対象経路と、当該管理領域の外部の一般経路とを含み、
前記管理領域内に、前記走行経路が複数の経路に分岐する分岐点、及び、複数の経路が合流する合流点の少なくとも一方を含み、
前記分岐点及び前記合流点を挟んで、前記管理領域内の前記走行経路が、異なる経路ブランチとして設定されており、
前記搬送管理装置は、1つの前記管理領域における前記管理対象経路に存在する前記物品搬送車の台数である領域内台数が、予め規定された管理台数以下となるように前記管理領域への前記物品搬送車の進入を管理し、
さらに、
ワイヤレス信号を各物品搬送車との間で送受信する複数のアクセスポイントと、
前記物品搬送車のそれぞれに搭載され、前記物品搬送車を識別する情報を少なくとも含むタグ情報を前記ワイヤレス信号として送信するワイヤレスタグと、
各アクセスポイントを介して前記物品搬送車のそれぞれの前記タグ情報を取得し、複数の前記アクセスポイントが受信した同一の前記タグ情報に基づいて、各物品搬送車の位置を検出する位置検出装置と、を備え、
前記位置検出装置は、前記管理領域内の複数の箇所を区別可能な精度で各物品搬送車の位置を検出し、
前記搬送管理装置は、各物品搬送車の位置を示す情報である位置情報を前記位置検出装置から取得し、当該位置情報に基づいて、前記物品搬送車の走行先の前記経路ブランチである走行先ブランチ、及び当該走行先ブランチよりも手前側であって当該走行先ブランチに繋がる前記経路ブランチに、別の前記物品搬送車が存在していない場合には、前記領域内台数に拘わらず、前記物品搬送車が前記管理領域に進入することを許容し、前記管理台数を超えて前記管理領域内に前記物品搬送車が進入することを許容する。
以下、その他の実施形態について説明する。尚、以下に説明する各実施形態の構成は、それぞれ単独で適用されるものに限られず、矛盾が生じない限り、他の実施形態の構成と組み合わせて適用することも可能である。
2 :位置検出装置
3 :アクセスポイント
4 :ゾーン管理装置(管理領域管理装置)
5 :ワイヤレスタグ
31 :マーカー検出センサ(走行区検出装置)
53 :タグ電源
90 :物品
100 :物品搬送設備
BP :分岐点
CF :走行区
CP :合流点
DS :下流側領域
F1 :第1頻度
F2 :第2頻度
H :搬送管理装置
K :管理対象経路
K0 :一般経路
K1 :第1経路ブランチ(経路ブランチ)
K2 :第2経路ブランチ(経路ブランチ)
K3 :第3経路ブランチ(経路ブランチ)
K4 :第4経路ブランチ(経路ブランチ)
K5 :第5経路ブランチ(経路ブランチ)
K6 :第6経路ブランチ(経路ブランチ)
L :走行経路
P1 :管理準備地点
V :天井搬送車(物品搬送車)
Y :走行方向
Z :管理領域
ch1 :第1通信チャンネル
ch2 :第2通信チャンネル
Claims (10)
- 走行経路に沿って一方向にのみ走行して物品を搬送する複数の物品搬送車と、前記物品搬送車のそれぞれを管理する搬送管理装置と、を備えた物品搬送設備であって、
前記走行経路は、予め規定された領域である管理領域内の管理対象経路と、当該管理領域の外部の一般経路とを含み、
前記搬送管理装置は、1つの前記管理領域における前記管理対象経路に存在する前記物品搬送車の台数である領域内台数が、予め規定された管理台数以下となるように前記管理領域への前記物品搬送車の進入を管理し、
さらに、
ワイヤレス信号を各物品搬送車との間で送受信する複数のアクセスポイントと、
前記物品搬送車のそれぞれに搭載され、前記物品搬送車を識別する情報を少なくとも含むタグ情報を前記ワイヤレス信号として送信するワイヤレスタグと、
各アクセスポイントを介して前記物品搬送車のそれぞれの前記タグ情報を取得し、複数の前記アクセスポイントが受信した同一の前記タグ情報に基づいて、各物品搬送車の位置を検出する位置検出装置と、を備え、
前記位置検出装置は、前記管理領域内の複数の箇所を区別可能な精度で各物品搬送車の位置を検出し、
前記搬送管理装置は、各物品搬送車の位置を示す情報である位置情報を前記位置検出装置から取得し、当該位置情報に基づいて、前記管理領域内の下流側において予め規定された範囲内に、先行車としての前記物品搬送車が存在する場合には、前記領域内台数から当該先行車の台数を減じて、後続車としての前記物品搬送車の前記管理領域への進入を管理して、前記管理台数を超えて前記管理領域内に前記物品搬送車が進入することを許容する、物品搬送設備。 - 走行経路に沿って一方向にのみ走行して物品を搬送する複数の物品搬送車と、前記物品搬送車のそれぞれを管理する搬送管理装置と、を備えた物品搬送設備であって、
前記走行経路は、予め規定された領域である管理領域内の管理対象経路と、当該管理領域の外部の一般経路とを含み、
前記管理領域内に、前記走行経路が複数の経路に分岐する分岐点、及び、複数の経路が合流する合流点の少なくとも一方を含み、
前記分岐点及び前記合流点を挟んで、前記管理領域内の前記走行経路が、異なる経路ブランチとして設定されており、
前記搬送管理装置は、1つの前記管理領域における前記管理対象経路に存在する前記物品搬送車の台数である領域内台数が、予め規定された管理台数以下となるように前記管理領域への前記物品搬送車の進入を管理し、
さらに、
ワイヤレス信号を各物品搬送車との間で送受信する複数のアクセスポイントと、
前記物品搬送車のそれぞれに搭載され、前記物品搬送車を識別する情報を少なくとも含むタグ情報を前記ワイヤレス信号として送信するワイヤレスタグと、
各アクセスポイントを介して前記物品搬送車のそれぞれの前記タグ情報を取得し、複数の前記アクセスポイントが受信した同一の前記タグ情報に基づいて、各物品搬送車の位置を検出する位置検出装置と、を備え、
前記位置検出装置は、前記管理領域内の複数の箇所を区別可能な精度で各物品搬送車の位置を検出し、
前記搬送管理装置は、各物品搬送車の位置を示す情報である位置情報を前記位置検出装置から取得し、当該位置情報に基づいて、前記物品搬送車の走行先の前記経路ブランチである走行先ブランチ、及び当該走行先ブランチよりも手前側であって当該走行先ブランチに繋がる前記経路ブランチに、別の前記物品搬送車が存在していない場合には、前記領域内台数に拘わらず、前記物品搬送車が前記管理領域に進入することを許容し、前記管理台数を超えて前記管理領域内に前記物品搬送車が進入することを許容する、物品搬送設備。 - 前記管理領域内に、前記走行経路が複数の経路に分岐する分岐点、及び、複数の経路が合流する合流点の少なくとも一方を含み、
前記分岐点及び前記合流点を挟んで、前記管理領域内の前記走行経路が、異なる経路ブランチとして設定されており、
前記物品搬送車の走行先の前記経路ブランチである走行先ブランチ、及び当該走行先ブランチよりも手前側であって当該走行先ブランチに繋がる前記経路ブランチに、別の前記物品搬送車が存在していない場合には、前記搬送管理装置は、前記領域内台数に拘わらず、前記物品搬送車が前記管理領域に進入することを許容する、請求項1に記載の物品搬送設備。 - 前記走行経路を複数に区分した走行区を単位として前記走行経路上の前記物品搬送車の位置を検出する走行区検出装置を備え、
前記管理領域は、少なくとも1つの走行区によって構成され、
前記搬送管理装置は、前記走行区検出装置による検出結果に基づいて、前記走行経路上における前記物品搬送車の走行、及び前記物品搬送車の前記管理領域への進入を管理し、
前記位置検出装置は、前記走行区検出装置よりも高い精度で各物品搬送車の位置を検出する、請求項1から3の何れか一項に記載の物品搬送設備。 - 前記搬送管理装置は、前記物品搬送車が少なくとも前記管理対象経路に存在する場合には、当該物品搬送車が前記一般経路に存在する場合に前記位置検出装置から前記位置情報を取得する頻度である第1頻度よりも高い第2頻度で、当該物品搬送車の前記位置情報を取得する、請求項1から4の何れか一項に記載の物品搬送設備。
- 前記物品搬送車の進行方向に沿って前記管理領域の手前に管理準備地点が設定され、
前記搬送管理装置は、前記物品搬送車が前記管理準備地点に到達した後、前記位置情報を前記第2頻度で取得する、請求項5に記載の物品搬送設備。 - 前記管理領域への前記物品搬送車の進入と、前記管理領域からの前記物品搬送車の退出を検出し、前記管理領域への前記物品搬送車の進入の可否を判定する管理領域管理装置を備え、
前記搬送管理装置は、前記管理領域管理装置の判定結果に基づいて、前記管理領域への前記物品搬送車の進入を管理し、
前記搬送管理装置は、前記管理台数を超えて前記管理領域内に前記物品搬送車が進入することを許容する場合には、前記管理領域管理装置の判定結果に拘わらず、前記物品搬送車が前記管理領域に進入することを許容する、請求項1から6の何れか一項に記載の物品搬送設備。 - 前記アクセスポイントは、第1通信チャンネル、及び前記第1通信チャンネルとは異なる第2通信チャンネルで前記ワイヤレス信号を送受信可能であり、
前記搬送管理装置は、各物品搬送車と、前記第1通信チャンネルを用いたワイヤレス通信を行って各物品搬送車を管理するものであり、
前記ワイヤレスタグは、前記第2通信チャンネルを用いて前記タグ情報を送信する請求項1から7の何れか一項に記載の物品搬送設備。 - 前記第1通信チャンネルと前記第2通信チャンネルとの間で、前記アクセスポイントの通信チャンネルを切り換えるネットワークスイッチを備える請求項8に記載の物品搬送設備。
- 前記ワイヤレスタグは、前記タグ情報を送信するために必要な電力を供給するタグ電源を備える請求項1から9の何れか一項に記載の物品搬送設備。
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