GB8430945D0 - Levelling apparatus - Google Patents

Levelling apparatus

Info

Publication number
GB8430945D0
GB8430945D0 GB848430945A GB8430945A GB8430945D0 GB 8430945 D0 GB8430945 D0 GB 8430945D0 GB 848430945 A GB848430945 A GB 848430945A GB 8430945 A GB8430945 A GB 8430945A GB 8430945 D0 GB8430945 D0 GB 8430945D0
Authority
GB
United Kingdom
Prior art keywords
levelling apparatus
levelling
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
Application number
GB848430945A
Other versions
GB2151420B (en
GB2151420A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB8430945D0 publication Critical patent/GB8430945D0/en
Publication of GB2151420A publication Critical patent/GB2151420A/en
Application granted granted Critical
Publication of GB2151420B publication Critical patent/GB2151420B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B66B1/302—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor for energy saving
    • 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
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • 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
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/44—Means for stopping the cars, cages, or skips at predetermined levels and for taking account of disturbance factors, e.g. variation of load weight
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Elevator Control (AREA)
GB08430945A 1983-12-09 1984-12-07 Levelling apparatus for ac motor driven elevator Expired GB2151420B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58231544A JPS60128176A (en) 1983-12-09 1983-12-09 Controller for elevator

Publications (3)

Publication Number Publication Date
GB8430945D0 true GB8430945D0 (en) 1985-01-16
GB2151420A GB2151420A (en) 1985-07-17
GB2151420B GB2151420B (en) 1987-04-15

Family

ID=16925157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08430945A Expired GB2151420B (en) 1983-12-09 1984-12-07 Levelling apparatus for ac motor driven elevator

Country Status (4)

Country Link
JP (1) JPS60128176A (en)
KR (1) KR920004303B1 (en)
GB (1) GB2151420B (en)
HK (1) HK30588A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07102948B2 (en) * 1986-03-19 1995-11-08 株式会社東芝 Elevator control method
US10532908B2 (en) 2015-12-04 2020-01-14 Otis Elevator Company Thrust and moment control system for controlling linear motor alignment in an elevator system
RU2628666C2 (en) * 2015-12-11 2017-08-25 Федеральное государственное автономное образовательное учреждение высшего образования "Южно-Уральский государственный университет (национальный исследовательский университет)" (ФГАОУ ВО "ЮУрГУ (НИУ)") Method of controlling active bi-directional frequency converter
CN112225021B (en) * 2020-11-02 2022-04-12 江苏蒙哥马利电梯有限公司 Intelligent elevator dispatching control method based on planetary gear transmission module

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432212B2 (en) * 1974-04-06 1979-10-12

Also Published As

Publication number Publication date
JPH0255353B2 (en) 1990-11-27
GB2151420B (en) 1987-04-15
JPS60128176A (en) 1985-07-09
GB2151420A (en) 1985-07-17
KR920004303B1 (en) 1992-06-01
HK30588A (en) 1988-05-06
KR850004555A (en) 1985-07-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20041206