Which Motors Are Best for Your AGV Design?

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Discussion Overview

The discussion centers around selecting appropriate motors for an automated guided vehicle (AGV) design, focusing on the use of DC motors and stepper motors. Participants explore various specifications, torque requirements, and design considerations relevant to motor selection.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • One participant seeks guidance on how to choose the right motor for their AGV design, referencing specific motor catalogues.
  • Another participant emphasizes the importance of considering voltage, current ratings, and gear reduction ratios in the motor specifications.
  • A participant expresses gratitude for the advice received and indicates they found answers through further research.
  • One contributor suggests that the dimensions and weight of the AGV are critical factors, noting that different motors serve different purposes such as high torque or precise stepping.
  • The original poster mentions a design change from a stepper motor to a DC motor due to insufficient torque from the stepper motor for their conveyor application.
  • A participant points out that some motors are designed for continuous locked-rotor applications and discusses the suitability of different types of DC motors for specific torque needs.
  • Another participant acknowledges the advice received and indicates they are facing a new issue with their mechanical design.

Areas of Agreement / Disagreement

Participants express various viewpoints on motor selection criteria, with no consensus reached on the best motor type for the AGV design. Different needs and applications are highlighted, suggesting that the discussion remains unresolved.

Contextual Notes

Participants mention specific torque requirements and design considerations without fully resolving the implications of these factors on motor choice. The discussion reflects a range of assumptions about the AGV's operational context.

Nam Nga
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hi all
I m designing a AGV (automatecd guided vehicle),i use DC motor and step, i have read a catelogue motor,but i don't know how to chose motor pertinently.
More information about the motor
http://www.motionking.com/Products/Hybrid_Stepper_Motors/HB_stepper_motors.htm"
http://www.motionking.com/Products/DC_Motors/DC_gear_motors.htm"
Anyone can help me .
Thanks so much !
 
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The specs give you details about voltage and current ratings, even gear reduction ratio.

The design has to take these specs into consideration.
 
Thanks for your reply that is useful ,so i read the catalogue carefully and found more on google ,i got the answer
 
Hi, you should think about the dimension of this vehicule and the weight , because some motors are used for high torque others for precise step angel, for high or low speed ect...
It depends to your needs , give us please more details about the project , this can be better for us to know about the choise of the motor.
Have a nice day,:cool:
Anita
 
Thanks ,Anita
In my design, the AGV have a short roller conveyor on the top something like:
http://img353.imageshack.us/img353/3153/liverollerconv.th.gif
http://img397.imageshack.us/img397/343/conlan13.th.gif
First ,i chose a step motor because it have some advantage,especially it can keep goods by hold torque when AGV move,but when i caculated how many torques i need for the conveyor,
then i looked up the catalogue ,i relized that step motor can not use for this case because its torque is too small,i think i should chose a DC motor and change my mechanical design
More information about AGV ,you can see these videos:
http://www.youtube.com/watch?v=hLwI-pHUvRQ"
http://www.youtube.com/watch?v=Iqeo7p_bnGw"
 
Last edited by a moderator:
Hi Nam nqa-
Some motors are specifically designed for continuous locked-rotor applications. See
http://www.bodine-electric.com/asp/...of=FORID:11&q=torque+motor&sa.x=14&sa.y=9#979
DC gear motors with commutators generally are not a good choice for locked rotor torque, but some Hall Effect sensor dc motors with permanent magnet rotors are suitable. DC gearmotors are generally easier to control than steppers, but are not as accurate in controlling motor RPM or stopping position.
Bob S
 
Last edited by a moderator:
Thanks Bob !
It is useful advice,i will try to this way ,but now i have a problem with my mechanical design.
 

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