Is There a Way to Calculate Gear Ratio Based on Torque and Outside Forces?

In summary, the conversation is about developing an algorithm to control a continuously variable transmission (CVT) in an electric drivetrain. The goal is to determine the gear ratio based on factors such as current and angular velocity. The purpose of the CVT is to maintain a constant output speed despite changes in load, and it may be possible to use a control loop to adjust the gear ratio and motor control. The book "System Dynamics" by Palm is recommended for deriving equations for motors.
  • #1
Blues_MTA
18
0
Im working on a model in SIMULINK of an electric drivetrain with an automatic transmission.. The overall goal is to develop an algorithm controlling controlling a CVT via factors such as current, angular velocity, etc. This may seem very basic to most of you, but i know that Output torque = torque Produced by engine X Gear Ratio . How would one go about finding the gear ratio, is there anyway to find the amount of torque required for a given situation based on things like current and angular velocity?

I know how to calculate the torque produced by the motor, but is there anyway to calculate the outside forces acting on the motor in order to determine the gear ratio.
 
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  • #2
I'm a bit confused. What's the purpose of the CVT? To keep the output speed constant, regardless of changes in load? In that case, can you use a control loop to measure the output speed and adjust the gear ratio and motor control?

How is "outside forces acting on the motor" different from "torque produced by the motor"?
 
  • #3

Related to Is There a Way to Calculate Gear Ratio Based on Torque and Outside Forces?

1. What is the purpose of DC motor analysis?

DC motor analysis is used to evaluate the performance and efficiency of a DC motor. It involves measuring various parameters such as voltage, current, speed, and torque to understand how the motor is functioning and identify any potential issues.

2. How is DC motor analysis performed?

DC motor analysis is typically done by connecting the motor to a power supply and measuring the relevant parameters using specialized equipment such as a multimeter or oscilloscope. The data collected is then analyzed to determine the motor's performance.

3. What are the key parameters measured in DC motor analysis?

The key parameters measured in DC motor analysis include voltage, current, speed, and torque. These measurements are used to calculate other important characteristics such as efficiency, power output, and power losses.

4. What are some common issues found in DC motor analysis?

Some common issues found in DC motor analysis include high power losses, low efficiency, and abnormal operating conditions such as overheating or excessive vibration. These issues can be caused by factors such as motor design, electrical faults, or mechanical wear and tear.

5. How is DC motor analysis used in motor maintenance?

DC motor analysis is an important tool in motor maintenance as it allows for early detection of potential issues and helps to prevent unexpected failures. By regularly performing DC motor analysis, maintenance teams can identify and address any problems before they become more severe and costly to repair.

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