JPS5631304A - Controlling device for speed of electric motor vehicle - Google Patents

Controlling device for speed of electric motor vehicle

Info

Publication number
JPS5631304A
JPS5631304A JP10591679A JP10591679A JPS5631304A JP S5631304 A JPS5631304 A JP S5631304A JP 10591679 A JP10591679 A JP 10591679A JP 10591679 A JP10591679 A JP 10591679A JP S5631304 A JPS5631304 A JP S5631304A
Authority
JP
Japan
Prior art keywords
power source
field
time
circuit
volts
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.)
Pending
Application number
JP10591679A
Other languages
Japanese (ja)
Inventor
Shunichiro Sugimoto
Jinichi Toyama
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
Priority to JP10591679A priority Critical patent/JPS5631304A/en
Publication of JPS5631304A publication Critical patent/JPS5631304A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To obtain the uniform maximum speed performance for the electric motor vehicle on which different voltage power sources are loaded by providing a power source voltage sensing circuit and locking a field-weakening control circuit at the time of using a 48 V power source to thereby control the acceleration of the vehicle.
CONSTITUTION: The power source voltage sensing circuit 11 detects whether a battery voltage is 36 volts or 48 volts, and conducts a transistor TR1 through a resistor R3 at the time of 48 volts to cut off an input to an operational amplifier OP so as to lock a field-weakening contactor closing circuit. Since the circuit 11 thus conducts the field-weakening control at the time of using the 36 V power source to approach the motor speed characteristics to those when connecting to a 48 V power source and locks the field-weakening control at the time of using the 48 V power source, it is possible to conform in the motor speed to the time of 36 V field-weakening control and can consequently obtain the uniform maximum speed performance for the vehicle.
COPYRIGHT: (C)1981,JPO&Japio
JP10591679A 1979-08-22 1979-08-22 Controlling device for speed of electric motor vehicle Pending JPS5631304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10591679A JPS5631304A (en) 1979-08-22 1979-08-22 Controlling device for speed of electric motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10591679A JPS5631304A (en) 1979-08-22 1979-08-22 Controlling device for speed of electric motor vehicle

Publications (1)

Publication Number Publication Date
JPS5631304A true JPS5631304A (en) 1981-03-30

Family

ID=14420179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10591679A Pending JPS5631304A (en) 1979-08-22 1979-08-22 Controlling device for speed of electric motor vehicle

Country Status (1)

Country Link
JP (1) JPS5631304A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107486A (en) * 1986-10-22 1988-05-12 Fanuc Ltd Servo motor control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63107486A (en) * 1986-10-22 1988-05-12 Fanuc Ltd Servo motor control system

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