CA986242A - Elevator system - Google Patents

Elevator system

Info

Publication number
CA986242A
CA986242A CA171,376A CA171376A CA986242A CA 986242 A CA986242 A CA 986242A CA 171376 A CA171376 A CA 171376A CA 986242 A CA986242 A CA 986242A
Authority
CA
Canada
Prior art keywords
elevator system
elevator
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.)
Expired
Application number
CA171,376A
Other versions
CA171376S (en
Inventor
William R. Caputo
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA986242A publication Critical patent/CA986242A/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
    • B66B1/285—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical with the use of a speed pattern generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/16—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by evaluating the time-derivative of a measured speed signal
    • G01P15/165—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by evaluating the time-derivative of a measured speed signal for measuring angular accelerations
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/904—Stored velocity profile
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/917—Thyristor or scr

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Elevator Control (AREA)
CA171,376A 1972-05-24 1973-05-15 Elevator system Expired CA986242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25631872A 1972-05-24 1972-05-24

Publications (1)

Publication Number Publication Date
CA986242A true CA986242A (en) 1976-03-23

Family

ID=22971794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,376A Expired CA986242A (en) 1972-05-24 1973-05-15 Elevator system

Country Status (6)

Country Link
US (1) US3749204A (en)
JP (1) JPS5724311B2 (en)
BE (1) BE799905A (en)
CA (1) CA986242A (en)
DE (1) DE2325596A1 (en)
GB (1) GB1436892A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950684A (en) * 1974-05-29 1976-04-13 Westinghouse Electric Corporation Direct current motor speed control apparatus
US5227704A (en) * 1974-06-24 1993-07-13 General Electric Company Motor controls, refrigeration systems and methods of motor operation and control
US5125067A (en) * 1974-06-24 1992-06-23 General Electric Company Motor controls, refrigeration systems and methods of motor operation and control
US4030570A (en) * 1975-12-10 1977-06-21 Westinghouse Electric Corporation Elevator system
JPS537050A (en) * 1976-07-06 1978-01-23 Mitsubishi Electric Corp Device for controlling elevator
JPS5314784U (en) * 1976-07-20 1978-02-07
JPS54113148A (en) * 1978-02-24 1979-09-04 Mitsubishi Electric Corp Elevator speed controlling system
DE3412538A1 (en) * 1984-04-04 1985-10-31 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Method for monitoring a DC motor having constant excitation, and a circuit arrangement for carrying out the method
AT388631B (en) * 1985-04-16 1989-08-10 Siemens Ag Oesterreich DEVICE FOR CONTROLLING THE FIELD CURRENT OF DC MOTORS
US6300738B1 (en) * 1999-09-30 2001-10-09 Rockwell Automation Technologies, Inc. Method and apparatus for generating reference values for a motion control loop in an industrial control system

Also Published As

Publication number Publication date
AU5544773A (en) 1974-11-14
DE2325596A1 (en) 1973-12-06
JPS5724311B2 (en) 1982-05-24
GB1436892A (en) 1976-05-26
BE799905A (en) 1973-11-23
US3749204A (en) 1973-07-31
JPS4942040A (en) 1974-04-20

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