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  • Servo skeleton with fast & slow interrupts
    ...ce routine (ISR) is used to check the encoders of two motors to see if the motors have moved. Note that if your encoder pulses come too quickly, you will mi
    572 bytes (100 words) - 12:49, 21 February 2008
  • Actuators
    *[[Using the Yaskawa Motors]] *[[Brushless DC Motors]]
    1 KB (148 words) - 12:30, 3 December 2010
  • Using Opto-Isolators to Prevent Interference
    ==Noise Interference From Motors==
    2 KB (240 words) - 18:55, 14 December 2008
  • PIC PWM Motor Driver
    ...as cheap, simple motor controller for [[Brushed DC Motor Theory|brushed DC motors]]. It uses a [[PIC Microcontroller]] to convert a low-power analog control ...e circuit, one for low-power motors (1A continuous) and one for high-power motors (4A continuous).
    4 KB (609 words) - 13:25, 10 February 2009
  • I2C Motor Controller
    This solution is best suited to drive DC brush motors at encoder rates up to and exceeding 2 MHz. Motor positions are measured w ...The code tracks trapezoidal motion profiles and may not be appropriate for motors will lower than 500CPR resolution. This code in its current state is <b>un
    1 KB (221 words) - 11:15, 25 August 2009
  • Vendors and Useful Links
    * [http://www.acroname.com Acroname (robot kits, sensors, gear motors, wheels, mcu's)] * [http://banebots.com/ Banebots (gear motors,wheels)]
    4 KB (508 words) - 12:25, 19 April 2013
  • XPC Code From Student Projects
    * [[media:control.mdl|control.mdl]] - simulink model that drives the motors to match the desired velocity command
    267 bytes (40 words) - 11:29, 30 May 2006
  • Linear Amplifier Motor Driver
    ...ven when using small motors. For a more power-efficient method of driving motors, which also has the benefit that only on-off voltages are required, consult
    2 KB (345 words) - 18:44, 20 October 2006
  • Stepper Motor Theory
    stepper motors are manufactured with steps per revolution of 12, 24, <P>Stepper motors are either <B>bipolar</B>, requiring two power
    6 KB (1,051 words) - 14:06, 3 July 2006
  • Pulse width modulation
    <b>Pulse width modulation (PWM) for driving motors or other high current devices</b> ...which can produce a square wave of variable duty cycle, for use in driving motors with variable speed, and in either direction.
    6 KB (1,115 words) - 13:19, 19 January 2008
  • ASEE Robot Design Competition
    *** Cons: Needs lots of motors, complicated programming to make infinitely adjustable steps ** Rotational motors
    4 KB (485 words) - 18:32, 15 October 2015
  • Brushless DC Motors
    [[Category:Actuators]][[Category:Motors]] ...e commutator to power the coils, external circuitry is used. Brushless DC motors are generally more expensive and take extra effort in order to drive. Howev
    3 KB (425 words) - 11:26, 18 September 2013
  • Stepper Motor Circuits
    ...driving unipolar and bipolar stepper motors differ because bipolar stepper motors don't have a "center tap." However, it is possible to use bipolar drivers There are many methods of producing the index pulses needed to drive stepper motors. This can either be done using a microprocessor or an integrated circuit.
    5 KB (838 words) - 18:57, 26 February 2008
  • Stepper motor control with the PIC
    ...te precise movement open loop. There is lots of information about stepper motors on the web and the wiki. Refer to the further reading section below as a p * [[media:00907a.pdf|Stepping Motors Fundamentals]] [http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_
    4 KB (636 words) - 17:41, 2 March 2008
  • NU32: Driving RC servo motors
    Driving RC Servo motors with the NU32. ...are only 5 OC pins. If your project uses several DC motors and several RC motors, you will run out of PWM pins!
    4 KB (690 words) - 06:38, 16 January 2016
  • Choosing a Motor and Gearing Combination
    For most robotics and mechatronics applications, DC motors run at speeds motors are classified according to their power.) Usually you will
    8 KB (1,288 words) - 10:10, 4 January 2007
  • Gear Motor
    ''You can find more on choosing motors and gears at the
    1 KB (212 words) - 10:09, 27 December 2006
  • NU32 Videos
    ===Chapter 25: Brushed Permanent Magnet DC Motors=== # [http://youtu.be/Mj2bV03mVM8 '''Intro to brushed permanent magnet DC motors, part 1/2'''] (4:31)
    11 KB (1,668 words) - 12:02, 22 December 2021
  • NU32v2: Using the L293D H-Bridge
    The L293D can be used to drive four motors in one direction only, or two motors bidirectionally. Vcc1 is the logic supply voltage, or 3.3V for the PIC32. V
    2 KB (402 words) - 06:28, 16 January 2016
  • Guitar Tuning Project
    corresponding control signals to control 6 DC motors using H bridges to tune the guitar string till the string's frequency appro ...here containing 2 full H-bridges,therefore 3 LM293 are used to drive 6 DC motors. The circuits diagram is shown as the figure. We used 6 '''enable''' pins t
    7 KB (1,187 words) - 17:48, 18 March 2009
  • IR Tracker
    * 2 Pitman Motors ...ate components between the PIC and the servo motors. It allows the Pittman motors to run in one direction.
    14 KB (1,770 words) - 05:24, 21 March 2008
  • Fans As Actuators
    ...rolling the motor. Most fans will be driven by brushed DC or brushless DC motors. In many applications, fans are low power, and can be driven by prepackage ...fans are designed to minimize EMI, and hence are actuated by brushless DC motors. Inside, they have their own brushless DC motor controller that adjusts th
    4 KB (672 words) - 15:00, 22 December 2008
  • Granular Flow Rotating Sphere
    ...g the ball to spin correctly due to the frictional connection between both motors and the sphere or lazy susan, respectively. ...our project was pretty basic. All of our components (including the Pittman motors) were powered with 5V DC.
    10 KB (1,748 words) - 20:20, 13 March 2009
  • Projects and miscellaneous
    *[[Setup, Use, and Modeling of Harmonic Drive Motors with Junus Amps]]
    1 KB (139 words) - 23:18, 9 December 2015
  • Interrupts
    ...seful is a timed interrupt which can be used as a servo routine to control motors and read sensors on a regular schedule, independent of the logic of your pr
    3 KB (424 words) - 17:02, 25 July 2008
  • Actuators Available in the Mechatronics Lab
    ==DC Motors (with gearheads and encoders)== There are many types of DC motors, but our favorites are brushed
    24 KB (3,777 words) - 16:24, 8 March 2011
  • Brushed DC Motor Theory
    [[Category:Actuators]][[Category:Motors]] ...we are addressing is the permanent magnet brushed DC motor (PMDC). These motors have two terminals. Applying a voltage across the terminals results in a p
    15 KB (2,443 words) - 19:19, 16 February 2011
  • OBSOLETE NU32 video page
    ===Chapter 13: Brushed Permanent Magnet DC Motors=== # [http://youtu.be/Mj2bV03mVM8 '''Intro to brushed permanent magnet DC motors, part 1/2'''] (4:31)
    14 KB (2,078 words) - 02:23, 21 December 2015
  • Unipolar Stepper Motor Driver Circuit
    This page presents a circuit for driving high-power unipolar stepper motors. Here you will find all the information needed to make your own. This cir
    2 KB (330 words) - 11:50, 4 August 2006
  • Differential Drive Mobile Robot
    *Use stepper motors ===Motors===
    18 KB (3,061 words) - 08:10, 27 April 2010
  • ME333 Sample Code
    == Chapter 25 - Brushed Permanent Magnet DC Motors == == Chapter 28 - Stepper Motors and RC Servos ==
    7 KB (1,077 words) - 14:31, 2 December 2013
  • Old Index Page
    *[[Pulse width modulation|Pulse width modulation (PWM) for driving motors or other high current devices]] (filename: MotorPWM) * Running stepper motors
    14 KB (1,850 words) - 17:48, 4 May 2009
  • Robot Drummer
    ...ommands and be modified through MATLAB, so that anyone could take a couple motors and a few dollars worth of hardware and implement accurate high-speed encod In this project, we were asked to demonstrate motor control of two separate motors running simultaneously. It was thought that a simple way to visually demon
    22 KB (3,842 words) - 18:00, 20 March 2009
  • High Speed Motor Control
    % High speed motor control for 2 motors % High speed motor control for 2 motors
    17 KB (2,911 words) - 06:33, 12 October 2011
  • Continuously Variable Transmission
    ...ley actuator, which is controlled by the lead screw. Three Pittman GM8224 motors actuate the system. One spins the input shaft, the other two control the l The control motors turn a lead screw that pushes a drive nut. That drive nut slides the actua
    12 KB (1,986 words) - 08:02, 21 March 2008
  • Driving a DC Motor using PWM
    Before doing this exercise, read about [[Brushed DC Motor Theory|Brushed DC Motors]] and [[Pulse Width Modulation|Driving Using Pulse Width Modulation]]. In
    4 KB (715 words) - 01:15, 14 February 2008
  • Ball Balancing Challenge
    ...wiki/index.php/Potentiometers potentiometers]) was used to control the two motors which would lift the table up in either axis. The game begins with a coin m ...ng connection to the center of the frame). By controlling the speed of the motors via [http://hades.mech.northwestern.edu/wiki/index.php/Pulse_Width_Modulati
    25 KB (3,898 words) - 03:23, 21 March 2008
  • ME 333 Introduction to Mechatronics (Archive Winter 2011)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    19 KB (2,853 words) - 18:49, 14 December 2011
  • Shielding, Grounding, Noise Suppression, etc.
    *machinery (especially motors)
    4 KB (703 words) - 12:29, 9 October 2006
  • Diodes and Transistors
    ...ails on DC motors, see the section on [[Brushed_DC_Motor_Theory|brushed DC motors]].) If there is a current <math>i</math> through the motor, and we suddenl We know that <math>R_L</math> is ''not'' infinitely large because motors can draw quite a lot of current. If <math>R_L=0</math> (short circuit), th
    16 KB (2,765 words) - 20:30, 11 January 2010
  • Using the LS7166 Quadrature Counter
    ...inputs, like those which come from a quadrature encoder like those on most motors. The A and B inputs can also serve as up / down counter inputs, so that the ...mes unless in use. If multiple chips are used (for interfacing to multiple motors), all the communication lines can be reused except /CS (chip select).
    13 KB (2,044 words) - 23:51, 29 April 2010
  • Resistors (Ohm's Law), Capacitors, and Inductors
    ...ductors to mechatronics circuits. However, any device with coils, such as motors or transformers, add inductance to a circuit.
    6 KB (1,054 words) - 09:27, 25 July 2006
  • Optical Locating
    ...and then produce a signal which the microcontroller can utillize to drive motors which orient the eye toward the target.
    5 KB (701 words) - 22:13, 6 January 2009
  • NU32: Driving a stepper motor
    More information about stepper motors can be found [[Stepper Motor Theory| here]], [[Stepper Motor Circuits| here
    3 KB (489 words) - 06:39, 16 January 2016
  • PC104 Power
    Do not use BoB's supplies for running motors and other high
    5 KB (925 words) - 16:12, 30 November 2006
  • ME 333 Suggested Final Projects
    ...y for anyone to do high-speed encoder-based feedback control of brushed DC motors with only a few dollars of hardware and a cable to connect to matlab on you '''Week 9 milestone:''' Demonstrate controlled moves by the motors following a simple program in matlab, and show a design of the parallelogra
    19 KB (3,008 words) - 07:27, 10 March 2010
  • NU32 Book Errata
    '''Chapter 25: Brushed Permanent Magnet DC Motors'''
    3 KB (464 words) - 17:06, 23 October 2018
  • RGB Swarm Robot Project E-puck Code (outdated)
    Timer5 ISR, interrupt for left motor. Controls the stepper motors. Timer4 ISR, interrupt for right motor. Controls the stepper motors.
    13 KB (2,035 words) - 10:49, 13 July 2010
  • Haptic Gaming System
    ...th_500_line_encoder|Pittman 700935]] motors, which are relatively powerful motors without a gearhead. ...ccessible. The backboard of the pantograph is screwed into the bottom. The motors were held in place by a set of holes in the top plate and a second bracket
    30 KB (4,962 words) - 03:06, 19 March 2010
  • PIC32MX: Driving a Stepper Motor
    ...r stepper motor using a PIC32MX460F512L. Useful information about stepper motors in general can be found [http://en.wikipedia.org/wiki/Stepper_motor here] a ...is h-bridge setup can be seen at right (adapted from [http://www.nmbtc.com/motors/pm-step/engineering/selection_pm/drivecircuit.html NMB's Website]).
    20 KB (3,131 words) - 15:21, 1 March 2010
  • Design and Control of a Pantograph Robot
    ...peed Motor Control]] project and adapted to work with our robot design and motors. ..., a3, and a4 are all equal to 15 centimeters. The distance between the two motors, a5, is 2.75 inches which is equal to 6.985 centimeters.
    32 KB (5,475 words) - 10:50, 17 July 2010
  • Driving using a single MOSFET
    '''Protection diode.''' The diode is important for inductive loads such as motors, relay coils, solenoids, or electromagnets. Recall that once a current is
    6 KB (1,096 words) - 16:35, 27 December 2006
  • NU32: What is in the NU32 Kit
    ...hobbypartz.com/9gmiseexis1.html From HobbyPartz], [[NU32: Driving RC servo motors]]</td>
    5 KB (841 words) - 06:21, 16 January 2016
  • NU32
    ...g, and other actuators such as stepper motors, RC servos, and brushless DC motors * Chapter 25: Brushed Permanent Magnet DC Motors (motor physics, speed-torque curve, and DC motor data sheets)
    23 KB (3,606 words) - 07:56, 4 December 2018
  • Conservation of Angular Momentum Locomotion Robot (Fluffbot)
    Instead of using motors to directly drive its motion forward, Fluffbot uses the basic principal of *'''Motors:''' Futaba S3004 standard ball bearing RC servo motor, Mechatronics Lab - P
    18 KB (2,875 words) - 11:36, 23 March 2010
  • ME 333 final projects
    ...t replacement for the popular E-Puck Robot. The robot uses hybrid stepper motors to allow it to track its position through odometry, has a laser cut acrylic ...multiple predetermined locations. The fridge uses a combination of stepper motors, a DC motor, and solenoids to create the ultimate mix of convenience, fun,
    19 KB (3,052 words) - 14:17, 18 April 2010
  • ME 333 Introduction to Mechatronics (Archive Winter 2018)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    23 KB (3,586 words) - 15:23, 19 December 2018
  • ME 333 Introduction to Mechatronics (Archive Winter 2013)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    22 KB (3,541 words) - 15:21, 25 November 2013
  • Can Launching Fridge
    2x Pacific Scientific PowerMax II stepper motors - $30.00 from ebay.com ...the electrical system included six actuators and four sensors: two stepper motors, one DC motor, three solenoids, two limit switches, and two potentiometers.
    33 KB (4,704 words) - 12:02, 19 March 2010
  • ME 333 Introduction to Mechatronics (Archive Winter 2019)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    21 KB (3,300 words) - 14:19, 1 January 2020
  • ME 333 Introduction to Mechatronics (Archive Winter 2017)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    23 KB (3,566 words) - 16:38, 3 January 2018
  • Northwestern Design Competition
    ** Driving motors with a 12V battery and h-bridge ** Motors, motor drivers, batteries
    28 KB (4,403 words) - 18:01, 28 April 2022
  • Programmable Stiffness Joint
    ...s of six main parts, the base, track/slider, threaded rod, spring, and two motors. The track, base, and spring are representative of the three main parts of ...ontinuously check for changes in dial. Currently it is only checking when motors are not moving.
    32 KB (4,115 words) - 23:42, 11 December 2008
  • Robot Snake
    *High cost of actuators (servos or motors) ...onboard microcontroller and xBee radio. The body segments house the servo motors and the batteries required to power each motor. As the snake is designed t
    27 KB (4,206 words) - 20:10, 4 October 2009
  • MATLAB Motor Controller
    ...s an 18f4520. The master PIC is controlled through MATLAB over RS-232. The motors can be monitored, controlled and tracked through a MATLAB GUI (shown below)
    9 KB (1,310 words) - 16:00, 3 July 2009
  • ME 333 Introduction to Mechatronics (Archive Winter 2012)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    22 KB (3,389 words) - 20:20, 27 November 2012
  • Microchip PICs
    **[[NU32: Driving RC servo motors]]
    7 KB (909 words) - 12:39, 2 January 2014
  • ME 333 Introduction to Mechatronics (Archive Winter 2020)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    21 KB (3,247 words) - 12:23, 23 November 2020
  • Electric Compass
    ...5" away from any other magnetic, electronic or metallic parts, especially motors. We built a small "tower" for the compass, which was made from plastic.<br>
    10 KB (1,667 words) - 13:00, 12 June 2009
  • NU32 Electronics and Mechatronics Kits
    ...friction in the gearhead. You can search surplus and other sites for such motors (e.g., [http://aliexpress.com aliexpress.com], [http://ebay.com ebay.com],
    6 KB (872 words) - 21:51, 11 April 2016
  • Sensor Overview
    A tachometer uses the same principle that DC motors and hydroelectric dams rely on: when a coil of wire is rotated in a magnet
    10 KB (1,633 words) - 13:41, 7 February 2011
  • Vision-based Cannon
    ...converting them into PWM signals suitable for driving off the shelf servo motors. In the case of this project the servo pulse widths are fed into our custom
    9 KB (1,542 words) - 05:05, 20 March 2009
  • ME 333 Introduction to Mechatronics (Archive Winter 2022)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    20 KB (3,175 words) - 15:42, 27 December 2022
  • ME 333 Introduction to Mechatronics
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    21 KB (3,241 words) - 16:45, 3 February 2023
  • ME 333 end of course schedule
    ...terials lent to you for the purposes of your final project or Lab 5 (e.g., motors, cables, sensors, power supplies, etc.); and all items that you wish to be
    11 KB (1,891 words) - 07:42, 12 March 2010
  • Swarm Robot Project E-puck Code
    Call this function before other motor functions to initialize the motors.
    9 KB (1,340 words) - 10:41, 13 July 2010
  • Using the LS7366R SPI Quadrature Counter
    ...and sets it up in the x4 and modulo-n modes, which are generally used for motors. In modulo-n mode, the encoder high count value (the number of tics in a fu
    13 KB (1,867 words) - 18:18, 3 May 2010
  • ME 333 Introduction to Mechatronics (Archive Winter 2014)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    30 KB (4,590 words) - 23:43, 24 November 2014
  • ME 333 Introduction to Mechatronics (Archive Winter 2015)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    42 KB (6,462 words) - 21:08, 24 November 2015
  • ME 333 Introduction to Mechatronics (Archive Winter 2016)
    * brushed permanent magnet DC motors: theory and control * stepper motors and RC servo motors
    42 KB (6,388 words) - 12:20, 17 November 2016
  • Driving a high current DC Motor using an H-bridge
    ...choice for PWM frequency because it is well beyond of the dynamic range of motors and just beyond the range of human hearing. For more information on PWM, s
    12 KB (2,063 words) - 15:35, 3 November 2009
  • Marionette
    ...of this project was to make a marionette that could move in a 2D plane via motors. Our group decided to show movement by programming 5 different routines, e
    19 KB (2,914 words) - 21:39, 29 March 2009
  • Machine Vision Localization System
    | deadb || Change the robot motor deadband. The motors will only move for <br>speeds (wheel ticks per second) faster than this. T
    23 KB (3,628 words) - 15:46, 4 May 2010
  • NU32: Introduction to the PIC32
    ...draw more than, say, half that. Usual rule of thumb: don't try to drive motors, which often draw hundreds of mA, up to a few amps in typical ME 333 applic
    16 KB (2,694 words) - 06:33, 16 January 2016
  • NU32v2: Introduction to the PIC32
    ...draw more than, say, half that. Usual rule of thumb: don't try to drive motors, which often draw hundreds of mA, up to a few amps in typical ME 333 applic
    16 KB (2,760 words) - 06:23, 16 January 2016
  • Introduction to the PIC32
    ...ard's regulator's current limit. Usual rule of thumb: don't try to drive motors, which often draw hundreds of mA, up to a few amps in typical ME 333 applic
    33 KB (5,556 words) - 13:29, 23 March 2010
  • Modern Robotics
    ...the details of implementation, e.g., joint-level feedback control, driving motors (including brushed, brushless, steppers, and servos), gearing, sensors, sig
    21 KB (3,181 words) - 16:15, 19 February 2024
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