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  3. a robotic arm is controlled by several stepper mot

A robotic arm is controlled by several stepper motors. Stepper motor (or step motor) is a brushless...

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Electrical Engineering

A robotic arm is controlled by several stepper motors.

Stepper motor (or step motor)is a brushless DC electric motor that divides a full rotation (360degree) into a number of equal steps (10 degree/step in this case).The motor's position can then be commanded to move and hold at oneof these steps without any feedback sensor (an open-loopcontroller). This motor usually has 4 wires. To move a motor, thefollowing bit patterns should be applied to these 4 wires.

Clockwise rotation: 1100à0110à0011à1001 and these 4 patternsrepeated again such as à1100à0110....

Counter clockwise rotation: 1100à1001à0011à0110à and these 4patterns repeated again such as 1100à1001….

Each input pattern (for example 1100) moves motor 10 degree.Assume the first four bits (least Significant bits) of register R2are connected to one these motors.

Write a program in LC-3 assembly language, to do thefollowing:

If you type “1” motor moves 120 degree clockwise (sending 12patterns) and then 90 degree counter clockwise (sending 9patterns). If you type “2” motor moves 50 degree counter clockwise(sending 5 patterns).

Depends on what number you enter; the console should display allthe related patterns sending to the motor.

Answer & Explanation Solved by verified expert
4.3 Ratings (899 Votes)
A servomotor consumes energy because it rotates to the commanded function however then the servomotor rests Stepper motors run warm to the contact due to the fact they proceed to consume vigour to lock in and preserve the commanded role Servomotors are typically used as a high performance replacement to the stepper motor Stepper motors have some inherent potential to control role as they have constructedin output steps This frequently allows for them to be used as an openloop position control    See Answer
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