How can i select a steer-by-wire ECU and motor

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SUMMARY

This discussion focuses on designing a steer-by-wire system, specifically addressing the selection of motors and an Electronic Control Unit (ECU). Participants emphasize the importance of understanding the parameters available through the car's Engine Control Unit to calculate motor torque effectively. The conversation highlights the need for two types of DC motors: one for the steering reaction force actuator and another for the steering actuator. Additionally, the discussion suggests consulting SKF for further insights into ECU selection and motor specifications.

PREREQUISITES
  • Understanding of steer-by-wire system architecture
  • Familiarity with DC motor specifications and torque calculations
  • Knowledge of Engine Control Unit (ECU) data parameters
  • Basic principles of electric vehicle design
NEXT STEPS
  • Research DC motor torque calculation methods for steering applications
  • Explore available parameters from Engine Control Units in electric vehicles
  • Investigate the role of SKF in providing components for steer-by-wire systems
  • Learn about simulation tools for electric vehicle design and control systems
USEFUL FOR

Engineers and designers working on electric vehicle systems, automotive control system developers, and anyone involved in the implementation of steer-by-wire technology.

hello_one
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I plan to design a steer by wire system,is there a formula to caculate the motor torque?and how can i select a proper ECU.
regards.
 
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Have you looked at what parameters are available via the on-board data port?
 
hello_one said:
I plan to design a steer by wire system...how can i select a proper ECU.
Talk to the people at SKF ...?

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OCR said:
Talk to the people at SKF ...?

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oh,that is great helpful for me ,thanks.
I will take a good look.
 
russ_watters said:
Have you looked at what parameters are available via the on-board data port?
oh,i am sorry that i can't understand your implement exactly,i plan to do a steer by wire system include it's controller.I am also puzzled with the parameter.my purpose is realize the steer .
 
hello_one said:
oh,i am sorry that i can't understand your implement exactly,i plan to do a steer by wire system include it's controller.I am also puzzled with the parameter.my purpose is realize the steer .
You asked about motor torque. Are you aware that a car's Engine Control Unit provides data that you can read and may help find torque? Have you looked at what data is available?

[edit] Reading your question again, it isn't clear to me what "motor" you are referring to...car or steering system...
 
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russ_watters said:
You asked about motor torque. Are you aware that a car's Engine Control Unit provides data that you can read and may help find torque? Have you looked at what data is available?

[edit] Reading your question again, it isn't clear to me what "motor" you are referring to...car or steering system...
My work is select two motors(most of them are dc motor).one is the Steering reaction force actuator.the other is Steering actuator .And select a ecu to control these two motors to realize the steer work.I'm not familiar these works and puzzled for the whole work,especially the simulation.
I'm not transform a car from mechanism to steer-by-wire.I am designing a simple model for a electric car.So, i can't get the available from the ECU.
I'm not familiar with the US,could you recommend me some information(the web or forum).
I'm very grateful for your help.
 

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