WO2006106574A1 - Appareil d'ascenseur - Google Patents

Appareil d'ascenseur Download PDF

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Publication number
WO2006106574A1
WO2006106574A1 PCT/JP2005/006289 JP2005006289W WO2006106574A1 WO 2006106574 A1 WO2006106574 A1 WO 2006106574A1 JP 2005006289 W JP2005006289 W JP 2005006289W WO 2006106574 A1 WO2006106574 A1 WO 2006106574A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
safety controller
electronic safety
abnormality
force
Prior art date
Application number
PCT/JP2005/006289
Other languages
English (en)
Japanese (ja)
Inventor
Kenichi Okamoto
Tatsuo Matsuoka
Takeharu Kondo
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to KR1020067026537A priority Critical patent/KR100874304B1/ko
Priority to PCT/JP2005/006289 priority patent/WO2006106574A1/fr
Priority to CN200580015399A priority patent/CN100595123C/zh
Priority to JP2007512378A priority patent/JPWO2006106574A1/ja
Priority to EP05727351.8A priority patent/EP1864934B1/fr
Publication of WO2006106574A1 publication Critical patent/WO2006106574A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons

Definitions

  • the present invention relates to an elevator apparatus using an electronic safety controller that detects an abnormality of an elevator based on a sensor force detection signal.
  • Patent Document 1 Japanese Translation of Special Publication 2002-538061
  • the present invention has been made to solve the above-described problems, and is an elevator capable of reducing the time required for installation and reducing the hoistway space.
  • the object is to obtain a device.
  • An elevator apparatus detects an abnormality of an elevator based on a sensor that generates a detection signal for detecting the state of the elevator and a detection signal of the sensor force, and shifts the elevator to a safe state. And an electronic safety controller that outputs a command signal for transmitting the detection signal, and at least a part of the detection signal and the command signal is transmitted by wireless communication.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 Overload set in ETS circuit section of governor and electronic safety controller in Fig. 1. It is a graph which shows the pattern of speed.
  • FIG. 3 is a block diagram showing a device configuration of a main part of the electronic safety controller of FIG. 1.
  • FIG. 4 is an explanatory diagram showing a method of executing arithmetic processing by the microprocessor of FIG.
  • FIG. 5 is a schematic configuration diagram showing an elevator apparatus according to Embodiment 2 of the present invention.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a pair of force guide rails (not shown) and a pair of counterweight guide rails (not shown) are installed in the hoistway 1.
  • the force 3 is moved up and down in the hoistway 1 by being guided by the force guide rail.
  • the counterweight 4 is moved up and down in the hoistway 1 by being guided by the counterweight guide rail.
  • an emergency stop device 5 is mounted for engaging the force guide rail and stopping the car 3 in an emergency.
  • the emergency stop device 5 has a pair of braking pieces that are operated by a mechanical operation and pressed against the car guide rail.
  • the drive device 7 includes a drive sheave 8, a motor unit 9 that rotates the drive sheave 8, a brake unit 10 that brakes the rotation of the drive sheave 8, and a motor encoder 11 that generates a detection signal according to the rotation of the drive sheave 8.
  • an electromagnetic brake device is used as the brake unit 10.
  • the brake shoe is pressed against the braking surface by the spring force of the braking spring to brake the rotation of the drive sheave 8, and the brake magnet is separated from the braking surface force by exciting the electromagnetic magnet. And braking is released.
  • the elevator control unit 12 is disposed, for example, in a lower part in the hoistway 1 or the like.
  • the elevator control unit 12 is provided with an operation control unit for controlling the operation of the driving device 7 and a safety circuit unit (relay circuit unit) for suddenly stopping the car 3 when the elevator is abnormal.
  • a detection signal from the motor encoder 11 is input to the operation control unit.
  • the operation control unit Based on the detection signal from the data encoder 11, the position and speed of the car 3 are obtained, and the driving device 7 is controlled.
  • a speed governor (mechanical speed governor) 14 is installed in the upper part of the hoistway 1.
  • the governor 14 is provided with a governor sheave, an overspeed detection switch, a rope catch, and a governor encoder 15 as a sensor.
  • a governor rope 16 is wound around the governor sheave. Both ends of the governor rope 16 are connected to the operation mechanism of the safety device 5. The lower end of the governor rope 16 is hung on a tension wheel 17 disposed at the lower part of the hoistway 1.
  • the speed governor rope 16 When the force 3 is raised and lowered, the speed governor rope 16 is circulated, and the speed governor sheave is rotated at a rotational speed corresponding to the traveling speed of the force 3.
  • the governor 14 mechanically detects that the traveling speed of the car 3 has reached an overspeed.
  • the overspeed to be detected the first overspeed (OS speed) higher than the rated speed, the higher over the first overspeed !, and the second overspeed (Trip speed) are set.
  • the overspeed detection switch of the governor 14 When the traveling speed of the force 3 reaches the first overspeed, the overspeed detection switch of the governor 14 is operated. When the overspeed detection switch is operated, the relay circuit in the safety circuit section of the elevator control section 12 is opened. When the traveling speed of the force 3 reaches the second overspeed, the governor rope 16 catches the governor rope 16 and the circulation of the governor rope 16 is stopped. When circulation of the governor rope 16 is stopped, the emergency stop device 5 performs a braking operation.
  • the governor encoder 15 generates a detection signal corresponding to the rotation of the governor sheave.
  • a dual sense type encoder that simultaneously outputs two detection signals, that is, the first and second detection signals, is used.
  • the first and second detection signals from the governor encoder 15 are input to an ETS circuit section of a terminal floor forced reduction device (ETS device) provided in the electronic safety controller 21.
  • the ETS circuit section detects elevator abnormalities based on detection signals from the governor encoder 15. Then, a command signal for shifting the elevator to a safe state is output.
  • ETS device terminal floor forced reduction device
  • the ETS circuit section obtains the traveling speed and position of the car 3 independently of the elevator control section 12 based on the signal from the governor encoder 15, and the traveling speed of the car 3 near the terminal floor is determined as ET. Monitors whether the S monitoring overspeed is reached.
  • the ETS circuit unit converts the signal from the governor encoder 15 into a digital signal and performs digital arithmetic processing to determine whether the traveling speed of the car 3 has reached the ETS monitoring overspeed. Judging. When it is determined by the ETS circuit section that the traveling speed of the car 3 has reached the ETS monitoring overspeed, the relay circuit of the safety circuit section is opened.
  • the ETS circuit unit can detect an abnormality of the ETS circuit unit itself and an abnormality of the governor encoder 15.
  • the nearest floor stop command signal is output to the ETS circuit section force operation control section as a command signal for shifting the elevator to a safe state.
  • bidirectional communication is possible between the ETS circuit section and the operation control section.
  • First and second reference position sensors 23 and 24 are provided at predetermined positions in the hoistway 1 for detecting that the force 3 is located at the reference position in the hoistway 1. ing. As the reference position sensors 23 and 24, upper and lower terminal switches can be used. Detection signals from the reference position sensors 23 and 24 are input to the ETS circuit section of the electronic safety controller 21. The ETS circuit unit corrects the position information of the car 3 obtained in the ETS circuit unit based on the detection signals from the reference position sensors 23 and 24.
  • a force buffer 27 and a counterweight buffer 28 are installed between the bottom surface of the hoistway 1 and the lower surfaces of the car 3 and the counterweight 4.
  • the car buffer 27 and the counterweight buffer 28 are installed in the lower part of the hoistway 1.
  • the car shock absorber 27 is disposed directly under the force 3 to reduce the impact when the car 3 collides with the bottom of the hoistway 1.
  • the counterweight buffer 28 is disposed directly below the counterweight 4 and reduces the impact when the counterweight 4 collides with the bottom of the hoistway 1.
  • these shock absorbers 27 and 28 for example, oil-filled or spring-type buffers are used.
  • a pair of car suspension wheels 41a and 41b are provided at the lower part of the car 3.
  • a counterweight suspension wheel 42 is provided on the upper part of the counterweight 4.
  • the main rope 6 has first and second end portions 6a and 6b connected to the upper portion of the hoistway 1 via a rope stop portion.
  • the main rope 6 has the first end 6a side force in the order of the car suspension wheels 41a, 41b, the car side return wheels 43a, 43b, the driving sheave 8, the counterweight side return wheel 44, and the counterweight. It is wrapped around a suspension car 42. That is, in this example, the force 3 and the counterweight 4 are suspended in the hoistway 1 by the 2: 1 roving method.
  • the motor encoder 11, elevator control unit 12, governor encoder 15, electronic safety controller 21, and reference position sensors 23 and 24 perform signal transmission by wireless communication (for example, wireless LAN communication).
  • a communication part (antenna part) is provided for each!
  • the dashed arrows in Fig. 1 indicate wireless communication.
  • the detection signal of the motor encoder 11 is transmitted to the elevator control unit 12 by wireless communication. Transmission of information between the electronic safety controller 21 and the elevator control unit 12 is performed by wireless communication. The nearest floor stop command from the electronic safety controller 21 to the elevator control unit 12 is transmitted by wireless communication. However, the emergency stop command from the electronic safety controller 21 to the safety circuit section of the elevator control section 12 is transmitted through the communication cable (solid arrow in Fig. 1). Although not shown, an emergency stop command from the governor 14 to the safety circuit is also transmitted through the communication cable. The detection signal from the governor encoder 15 and the detection signals from the reference position sensors 23 and 24 are transmitted to the electronic safety controller 21 by wireless communication.
  • one signal is transmitted using a plurality of different carrier frequencies.
  • the operation mode of the electronic safety controller 21 includes a plurality of modes such as a normal operation mode, a maintenance operation mode, and an emergency operation mode.
  • the mode information of the electronic safety controller 21 is transmitted to the elevator control unit 12 by wireless communication.
  • FIG. 2 is a graph showing an overspeed pattern set in the ETS circuit section of the governor 14 and the electronic safety controller 21 in FIG.
  • the speed pattern is VO.
  • the governor 14 is set with first and second overspeed patterns VI and V2 by mechanical position adjustment.
  • the ETS monitoring overspeed pattern VE is set in the ETS circuit.
  • the ETS monitoring overspeed pattern VE is set higher than the normal speed pattern VO.
  • the ETS monitoring overspeed pattern VE is set so as to be approximately equidistant from the normal speed pattern VO in the entire lifting process. That is, the ETS monitoring overspeed pattern VE changes according to your position. More specifically, the ETS monitoring overspeed pattern VE is set to be constant near the intermediate floor, but continuously and smoothly as it approaches the terminal end (upper and lower ends) of the hoistway 1 near the terminal floor. It is set to be low. In this way, the ETS circuit section 22 monitors the traveling speed of the force 3 even in the vicinity of the intermediate floor (a constant speed traveling section in the normal speed pattern VO) that is not only in the vicinity of the terminal floor, but in the vicinity of the intermediate floor. Therefore, it is not always necessary to monitor.
  • the first overspeed pattern VI is set higher than the ETS monitoring overspeed pattern VE. Also, the second overspeed pattern V2 is set higher than the first overspeed pattern VI.
  • the first and second overspeed patterns VI and V2 are constant at all heights in the hoistway 1.
  • FIG. 3 is a block diagram showing a device configuration of a main part of the electronic safety controller 21 of FIG.
  • the electronic safety controller 21 detects the abnormality of the elevator based on the first microprocessor 31 that executes arithmetic processing for detecting the abnormality of the elevator based on the first safety program and the second safety program. Including a second microphone port processor 32 for executing arithmetic processing to perform!
  • the first safety program is a program having the same content as the second safety program.
  • the first and second microprocessors 31 and 32 can communicate with each other via an interprocessor bus and a two-port RAM 33. Further, the first and second microprocessors 31 and 32 can confirm the soundness of the first and second microprocessors 31 and 32 themselves by comparing the calculation processing results of each other. In other words, the soundness of the microprocessors 31 and 32 is confirmed by having the first and second microprocessors 31 and 32 execute the same processing and comparing the processing results via the 2-port RAM 33 and the like. . In addition, the microprocessors 31 and 32 can detect abnormalities in the electronic safety controller 21 other than those in the microprocessors 31 and 32 themselves by arithmetic processing.
  • FIG. 4 is an explanatory diagram showing a method of executing arithmetic processing by the microprocessors 31 and 32 of FIG.
  • the microprocessors 31 and 32 repeatedly execute the arithmetic processing according to the program stored in the ROM at a predetermined arithmetic cycle (for example, 50 msec) based on the signal from the fixed-cycle timer.
  • Programs executed within one cycle include a safety program for detecting elevator abnormalities and a fault / abnormality check program for detecting faults / abnormalities in the electronic safety controller 21 itself and various sensors. It is.
  • the failure / abnormality check program may be executed only when preset conditions are satisfied.
  • failure / abnormality check program for example, clock abnormality detection, RAM stack area abnormality detection, arithmetic processing order abnormality detection, relay contact abnormality detection, power supply voltage abnormality detection, and the like are executed.
  • the electronic safety controller 21 can detect an abnormality of the electronic safety controller 21 itself, and when the abnormality of the electronic safety controller 21 itself is detected, the elevator is shifted to a safe state. Therefore, it is possible to improve the reliability of the safety system with a relatively simple configuration while increasing the detection speed of the elevator abnormality and the processing speed for the abnormality.
  • the electronic safety controller 21 can also detect abnormality of various sensors, and outputs a command signal for shifting the elevator to a safe state even when the abnormality of the sensor is detected. The reliability can be further improved.
  • the electronic safety controller 21 includes first and second microprocessors 31, 32, and the first and second microprocessors 31, 32 compare the first and second processing results with each other. Since the soundness of the second microprocessor 31, 32 itself can be confirmed, the reliability of the safety system can be further improved.
  • a sensor for detecting the state of the elevator here, the governor encoder 15 and the reference position sensors 23 and 24
  • the detection signal of the force, and the elevator are shifted to a safe state.
  • At least a part of the command signal from the electronic safety controller 21 is transmitted by wireless communication. For this reason, many communications This eliminates the need for complicated arrangement of cables in the hoistway, and reduces the time and effort required for installation.
  • the wireless transmission of the signal transmission related to the electronic safety controller 21 is effective.
  • the electronic safety controller 21 transmits a command signal for stopping the force 3 to the nearest floor by wireless communication, and transmits a command signal for emergency stop of the force 3 by wire communication. Therefore, higher reliability can be ensured.
  • signals from sensors of a plurality of elevator apparatuses in the same building may be managed by a common electronic safety controller.
  • the same effect as the above example can be obtained by transmitting the detection signal and the command signal by wireless communication.
  • the force sensors showing the governor encoder 15 and the reference position sensors 23 and 24 as sensors that transmit the detection signal to the electronic safety controller 21 are not limited to these.
  • transmission of detection signals from various sensors such as a temperature sensor, a speed sensor, an acceleration sensor, and a vibration sensor can be wireless communication.
  • the transmission of all command signals including an emergency stop command may be performed wirelessly, instead of the need to wirelessly transmit all command signals of the electronic safety controller power.
  • FIG. 5 is a schematic configuration diagram showing an elevator apparatus according to Embodiment 2 of the present invention.
  • first and second force bars 3a, 3b are provided in the hoistway 1 in the hoistway 1.
  • the first and second cars 3a, 3b are arranged so as to overlap each other, and are raised and lowered independently in the common hoistway 1 respectively. That is, this elevator device is a one-shaft multi-car type engine. It is a beta. Accordingly, the first car 3a is raised and lowered by the first driving device (not shown), and the second car 3b is raised and lowered by the second driving device (not shown). Also, the illustration of the main ropes etc. for suspending the first and second cars 3a, 3b is omitted.
  • the first and second cars 3a and 3b transmit signals (call registration request signal, call registration confirmation signal, etc.) to and from the elevator controller 12 (Fig. 1) by wireless communication.
  • a communication section (antenna section) is provided for this purpose.
  • Other configurations are the same as those in the first embodiment.
  • a communication unit is provided in the force 3 and the force 3 and the elevator control unit 12 are connected. Signal transmission may be performed by wireless communication.
  • the emergency stop command from the electronic safety controller is input to the safety circuit section of the elevator control section.
  • the safety circuit section for the electronic safety controller is separate from the safety circuit section of the elevator control section.
  • a circuit unit may be provided, and an emergency stop command from the electronic safety controller may be input to the safety circuit unit for the electronic safety controller.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

La présente invention a trait à un appareil d'ascenseur, dans lequel un capteur génère un signal de détection pour détecter la situation de l'ascenseur. Un contrôleur de sécurité électronique détecte une anomalie de l'ascenseur en fonction du signal de détection provenant du capteur et produit un signal de commande pour placer l'ascenseur dans une situation sécurisée. La transmission d'au moins une partie du signal de détection par le capteur et du signal de commande par le contrôleur de sécurité électronique est réalisée par communication radio.
PCT/JP2005/006289 2005-03-31 2005-03-31 Appareil d'ascenseur WO2006106574A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020067026537A KR100874304B1 (ko) 2005-03-31 2005-03-31 엘리베이터 장치
PCT/JP2005/006289 WO2006106574A1 (fr) 2005-03-31 2005-03-31 Appareil d'ascenseur
CN200580015399A CN100595123C (zh) 2005-03-31 2005-03-31 电梯装置
JP2007512378A JPWO2006106574A1 (ja) 2005-03-31 2005-03-31 エレベータ装置
EP05727351.8A EP1864934B1 (fr) 2005-03-31 2005-03-31 Appareil d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/006289 WO2006106574A1 (fr) 2005-03-31 2005-03-31 Appareil d'ascenseur

Publications (1)

Publication Number Publication Date
WO2006106574A1 true WO2006106574A1 (fr) 2006-10-12

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ID=37073142

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/006289 WO2006106574A1 (fr) 2005-03-31 2005-03-31 Appareil d'ascenseur

Country Status (5)

Country Link
EP (1) EP1864934B1 (fr)
JP (1) JPWO2006106574A1 (fr)
KR (1) KR100874304B1 (fr)
CN (1) CN100595123C (fr)
WO (1) WO2006106574A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2022742A1 (fr) * 2007-08-07 2009-02-11 ThyssenKrupp Elevator AG Système d'ascenseur
JP2009043239A (ja) * 2007-06-21 2009-02-26 Pepperl & Fuchs Gmbh 安全装置および保安データの送信方法
JP6420430B1 (ja) * 2017-08-18 2018-11-07 東芝エレベータ株式会社 エレベータの安全装置およびエレベータの安全システム
WO2020031605A1 (fr) * 2018-08-10 2020-02-13 株式会社日立製作所 Système et procédé de détermination
CN112299175A (zh) * 2019-07-26 2021-02-02 富士达株式会社 电梯的编码器诊断系统及诊断方法

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
US8939262B2 (en) 2009-03-16 2015-01-27 Otis Elevator Company Elevator over-acceleration and over-speed protection system
JP2012520811A (ja) * 2009-03-16 2012-09-10 オーチス エレベータ カンパニー 過加速度および過速度検出・処理システム
CN102448862B (zh) * 2009-06-29 2014-01-15 三菱电机株式会社 电梯装置
JP5816102B2 (ja) * 2012-01-12 2015-11-18 株式会社日立製作所 電子安全エレベータ
JP2017039576A (ja) * 2015-08-19 2017-02-23 株式会社東芝 安全装置及び昇降機システム
EP3246281B1 (fr) 2016-05-20 2021-04-21 KONE Corporation Dispositif de communication d'ascenseur
CN108275523A (zh) * 2017-12-12 2018-07-13 无锡创联科技有限公司 一种垂直梯预防及安全监管系统
WO2019163133A1 (fr) * 2018-02-26 2019-08-29 三菱電機株式会社 Dispositif de commande de sécurité d'ascenseur
EP3892582A1 (fr) * 2020-04-07 2021-10-13 KONE Corporation Système de sécurité, ascenseur et procédé de mise à niveau d'un système de sécurité d'un ascenseur

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JPS6460586A (en) * 1987-08-26 1989-03-07 Mitsubishi Electric Corp Controller for elevator
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JP2002538061A (ja) * 1999-03-04 2002-11-12 オーチス エレベータ カンパニー エレベータ安全システム
JP2003040543A (ja) * 2001-07-05 2003-02-13 Otis Elevator Co エレベータ装置用の安全チェーン

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JPH07206299A (ja) * 1994-01-13 1995-08-08 Hitachi Ltd エレベーターの安全信号伝送方式
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JP4204299B2 (ja) * 2002-10-18 2009-01-07 東芝エレベータ株式会社 エレベータの制御装置

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JPS6460586A (en) * 1987-08-26 1989-03-07 Mitsubishi Electric Corp Controller for elevator
JPH06227766A (ja) * 1993-02-01 1994-08-16 Hitachi Ltd エレベーターの信号伝送方式
JP2002538061A (ja) * 1999-03-04 2002-11-12 オーチス エレベータ カンパニー エレベータ安全システム
JP2003040543A (ja) * 2001-07-05 2003-02-13 Otis Elevator Co エレベータ装置用の安全チェーン

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009043239A (ja) * 2007-06-21 2009-02-26 Pepperl & Fuchs Gmbh 安全装置および保安データの送信方法
EP2022742A1 (fr) * 2007-08-07 2009-02-11 ThyssenKrupp Elevator AG Système d'ascenseur
WO2009018886A1 (fr) * 2007-08-07 2009-02-12 Thyssenkrupp Elevator Ag Système d'ascenseur
US8230977B2 (en) 2007-08-07 2012-07-31 Thyssenkrupp Elevator Ag Distributed control system for an elevator system
JP6420430B1 (ja) * 2017-08-18 2018-11-07 東芝エレベータ株式会社 エレベータの安全装置およびエレベータの安全システム
JP2019034837A (ja) * 2017-08-18 2019-03-07 東芝エレベータ株式会社 エレベータの安全装置およびエレベータの安全システム
WO2020031605A1 (fr) * 2018-08-10 2020-02-13 株式会社日立製作所 Système et procédé de détermination
JP2020028026A (ja) * 2018-08-10 2020-02-20 株式会社日立製作所 判定システム及び方法
US20210309491A1 (en) * 2018-08-10 2021-10-07 Hitachi, Ltd. Judgment system and method
JP7132025B2 (ja) 2018-08-10 2022-09-06 株式会社日立製作所 判定システム及び方法
CN112299175A (zh) * 2019-07-26 2021-02-02 富士达株式会社 电梯的编码器诊断系统及诊断方法

Also Published As

Publication number Publication date
EP1864934B1 (fr) 2019-10-23
KR100874304B1 (ko) 2008-12-18
EP1864934A4 (fr) 2012-11-07
CN1953925A (zh) 2007-04-25
KR20070088314A (ko) 2007-08-29
JPWO2006106574A1 (ja) 2008-09-11
EP1864934A1 (fr) 2007-12-12
CN100595123C (zh) 2010-03-24

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