A motor has the following specifications:      Motor Armature Supply Voltage = VM = 18 V      Motor Armature Resistance = RA = 8.4 Ω      Motor back emf proportionality constant = Kb = 42 x 10  ̶  3 V/rad/s      Motor Torque proportionality constant = KT = 42 x 10  ̶  3 N·m/A          The motor with the specifications provided above is coupled directly to a load with the following specifications:     Opposing Load Torque = TL = 19 × 10  ̶  3 N·m     Load and Rotor Rotational Inertia = JL =  400 × 10  ̶  6 kg·m2     Find the following (with the load specified above): a) Initial angular acceleration of the motor shaft-load when the motor is initially powered on b) Steady state angular speed of the motor shaft

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A motor has the following specifications:

     Motor Armature Supply Voltage = VM = 18 V

     Motor Armature Resistance = RA = 8.4 Ω

     Motor back emf proportionality constant = Kb = 42 x 10  ̶  3 V/rad/s

     Motor Torque proportionality constant = KT = 42 x 10  ̶  3 N·m/A

 

  

    The motor with the specifications provided above is coupled directly to a load with the following specifications:

    Opposing Load Torque = TL = 19 × 10  ̶  3 N·m

    Load and Rotor Rotational Inertia = JL =  400 × 10  ̶  6 kg·m2

    Find the following (with the load specified above):

  1. a) Initial angular acceleration of the motor shaft-load when the motor is initially powered on
  2. b) Steady state angular speed of the motor shaft

 

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