Applied Control Systems Stepper Motors Stepper Motor Electro
![Applied Control Systems Stepper Motors Applied Control Systems Stepper Motors](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-1.jpg)
![Stepper Motor / Electro magnet Stepper Motor / Electro magnet](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-2.jpg)
![Rotor Stator Outside Casing Coils Stator Rotor Internal components of a Stepper Motor Rotor Stator Outside Casing Coils Stator Rotor Internal components of a Stepper Motor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-3.jpg)
![Cross Section of a Stepper Motor Stators Rotor Cross Section of a Stepper Motor Stators Rotor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-4.jpg)
![Full Step Operation Four Steps per revolution i. e. 90 deg. steps. Full Step Operation Four Steps per revolution i. e. 90 deg. steps.](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-5.jpg)
![Half Step Operation Eight steps per. revolution i. e. 45 deg. steps. Half Step Operation Eight steps per. revolution i. e. 45 deg. steps.](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-6.jpg)
![Winding number 1 6 pole rotor Winding number 2 One step Winding number 1 6 pole rotor Winding number 2 One step](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-7.jpg)
![Six pole rotor, two electro magnets. How many steps are required for one complete Six pole rotor, two electro magnets. How many steps are required for one complete](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-8.jpg)
![Practical Stepper motor operation The top electromagnet (1) is turned on, attracting the nearest Practical Stepper motor operation The top electromagnet (1) is turned on, attracting the nearest](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-9.jpg)
![The bottom electromagnet (3) is energized; another 3. 6° rotation occurs. The left electromagnet The bottom electromagnet (3) is energized; another 3. 6° rotation occurs. The left electromagnet](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-10.jpg)
![Stepper motor applications Stepping Motor to move read-write head Stepper motor applications Stepping Motor to move read-write head](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-11.jpg)
![Stepper motor applications Paper feeder on printers Stepper motors CNC lathes Stepper motor applications Paper feeder on printers Stepper motors CNC lathes](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-12.jpg)
![Stator coils Rotor CNC Stepping Motor Stator coils Rotor CNC Stepping Motor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-13.jpg)
![Advantages / Disadvantages Advantages: Low cost for control achieved Ruggedness Simplicity of construction Can Advantages / Disadvantages Advantages: Low cost for control achieved Ruggedness Simplicity of construction Can](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-14.jpg)
![Control sequence to turn a stepper motor + Step 1 0 0 1 1 Control sequence to turn a stepper motor + Step 1 0 0 1 1](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-15.jpg)
![Servo Motor Detail Actuator Reduction gear Position feedback Potentiometer + 5 V (closed loop Servo Motor Detail Actuator Reduction gear Position feedback Potentiometer + 5 V (closed loop](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-16.jpg)
- Slides: 16
![Applied Control Systems Stepper Motors Applied Control Systems Stepper Motors](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-1.jpg)
Applied Control Systems Stepper Motors
![Stepper Motor Electro magnet Stepper Motor / Electro magnet](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-2.jpg)
Stepper Motor / Electro magnet
![Rotor Stator Outside Casing Coils Stator Rotor Internal components of a Stepper Motor Rotor Stator Outside Casing Coils Stator Rotor Internal components of a Stepper Motor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-3.jpg)
Rotor Stator Outside Casing Coils Stator Rotor Internal components of a Stepper Motor
![Cross Section of a Stepper Motor Stators Rotor Cross Section of a Stepper Motor Stators Rotor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-4.jpg)
Cross Section of a Stepper Motor Stators Rotor
![Full Step Operation Four Steps per revolution i e 90 deg steps Full Step Operation Four Steps per revolution i. e. 90 deg. steps.](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-5.jpg)
Full Step Operation Four Steps per revolution i. e. 90 deg. steps.
![Half Step Operation Eight steps per revolution i e 45 deg steps Half Step Operation Eight steps per. revolution i. e. 45 deg. steps.](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-6.jpg)
Half Step Operation Eight steps per. revolution i. e. 45 deg. steps.
![Winding number 1 6 pole rotor Winding number 2 One step Winding number 1 6 pole rotor Winding number 2 One step](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-7.jpg)
Winding number 1 6 pole rotor Winding number 2 One step
![Six pole rotor two electro magnets How many steps are required for one complete Six pole rotor, two electro magnets. How many steps are required for one complete](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-8.jpg)
Six pole rotor, two electro magnets. How many steps are required for one complete revolution?
![Practical Stepper motor operation The top electromagnet 1 is turned on attracting the nearest Practical Stepper motor operation The top electromagnet (1) is turned on, attracting the nearest](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-9.jpg)
Practical Stepper motor operation The top electromagnet (1) is turned on, attracting the nearest teeth of a gearshaped iron rotor. With the teeth aligned to electromagnet 1, they will be slightly offset from electromagnet 2 The top electromagnet (1) is turned off, and the right electromagnet (2) is energized, pulling the nearest teeth slightly to the right. This results in a rotation of 3. 6° in this example.
![The bottom electromagnet 3 is energized another 3 6 rotation occurs The left electromagnet The bottom electromagnet (3) is energized; another 3. 6° rotation occurs. The left electromagnet](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-10.jpg)
The bottom electromagnet (3) is energized; another 3. 6° rotation occurs. The left electromagnet (4) is enabled, rotating again by 3. 6°. When the top electromagnet (1) is again enabled, the teeth in the sprocket will have rotated by one tooth position; since there are 25 teeth, it will take 100 steps to make a full rotation in this example.
![Stepper motor applications Stepping Motor to move readwrite head Stepper motor applications Stepping Motor to move read-write head](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-11.jpg)
Stepper motor applications Stepping Motor to move read-write head
![Stepper motor applications Paper feeder on printers Stepper motors CNC lathes Stepper motor applications Paper feeder on printers Stepper motors CNC lathes](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-12.jpg)
Stepper motor applications Paper feeder on printers Stepper motors CNC lathes
![Stator coils Rotor CNC Stepping Motor Stator coils Rotor CNC Stepping Motor](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-13.jpg)
Stator coils Rotor CNC Stepping Motor
![Advantages Disadvantages Advantages Low cost for control achieved Ruggedness Simplicity of construction Can Advantages / Disadvantages Advantages: Low cost for control achieved Ruggedness Simplicity of construction Can](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-14.jpg)
Advantages / Disadvantages Advantages: Low cost for control achieved Ruggedness Simplicity of construction Can operate in an open loop control system Low maintenance Less likely to stall or slip Will work in any environment Disadvantages: Require a dedicated control circuit Use more current than D. C. motors High torque output achieved at low speeds
![Control sequence to turn a stepper motor Step 1 0 0 1 1 Control sequence to turn a stepper motor + Step 1 0 0 1 1](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-15.jpg)
Control sequence to turn a stepper motor + Step 1 0 0 1 1 Step 2 1 0 Step 3 1 1 0 0 Step 4 0 1 CW CCW
![Servo Motor Detail Actuator Reduction gear Position feedback Potentiometer 5 V closed loop Servo Motor Detail Actuator Reduction gear Position feedback Potentiometer + 5 V (closed loop](https://slidetodoc.com/presentation_image_h/c29f7477df272d57f8a4f14e2e61893d/image-16.jpg)
Servo Motor Detail Actuator Reduction gear Position feedback Potentiometer + 5 V (closed loop system) Small electric DC motor
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