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Questions tagged [motor]

Without qualification 'motor' is usually taken to mean a rotary electromechanical motor, typically either a brushed or brushless design.

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Re/programming Tower Hobbies System 3000 STD TS-53

I have a box of motors (Tower Hobbies System 3000 STD TS-53) and plan on using them with an upcoming project. Thing is I can't find any manuals or docs for programming them in C/Assembly (or any ...
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Can you buy a torque-controlled motor? [on hold]

I'm reading a book on robot manipulator control, and it assumes that you have control either of the joint velocity, or the torque acting on them. It motivates this by stating that there is an inner ...
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9 views

Robotic arm length Ratio [on hold]

I'm designing a custom welding robotic arm. i don't know how to select the ratio of the arm length for good area covered by the robotic arm. can you help me please.
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2answers
30 views

Encoder values for pid control

Im working on a two wheeled robot and im trying to implement a pid control for the motors. But i have a problem, all sources i found online said i have to calculate the error with my encoder values. ...
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23 views

linear synchronous motor selection for laser cutter [duplicate]

I'm studying a course on linear motors and an assignment has been given for which i have to select the linear motors for a laser cutter assembly. The problem is that I don't have an electrical ...
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1answer
44 views

Raspberry Pi Robot Car won't drive straight, right wheel is faster [duplicate]

My Raspberry Pi car bot will not drive straight at all. After examining and listening to the two motors, I noticed that the right wheel is a lot faster. I have matching wheels and the same code ...
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1answer
21 views

Will a change of motor driver improve motor performance?

I have this motor, from datasheet it works on the 6-12V range and has a no load current of 0.52A, and a stall current of 20A. I want to test the motor before buying an expensive motor driver. I have ...
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1answer
39 views

project to create a lighter wall [duplicate]

We are working in a project to help blind people cross the street alone .so ,Can I create a Virtual reality wall or a holographic 3d one that is visible in the Street and in all day times ?? ( morning ...
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2answers
48 views

Calculating torque required to rotate a platform

I am trying to spec out a motor's torque required to rotate a platform about an axis. This diagram makes it better to understand(it's like a rotisserie): Dimensions are in cm: I have an arbitrary ...
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1answer
35 views

Robotic Arm Senior Capstone. Electronics/Controls/Sensors Questions

I am a mechanical engineering student currently working on my senior capstone. My team of all MechEs has to build a robotic "arm" where the arm is really just a link/bar of aluminum. The thing we ...
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30 views

Roboclaw 2x15A Motor Controller giving a Driver Fault error

I'm trying to get a Roboclaw 2x15A Motor Controller working, I'm trying to control 2 NeveRest 60 Gear Motor for differential drive. I installed the software, connected a battery, and USB cable. I'm ...
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1answer
21 views

DJI E310 Thrust Coefficient

I am reading Denis M. Filatov et al.'s paper "Parameters identification of thrust generation subsystem for small unmanned aerial vehicles" (https://www.semanticscholar.org/paper/Parameters-...
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1answer
23 views

Calculate torque required to rotate and hold a platform

I wish to rotate a rectangular platform about its length. It is attached to a shaft that runs through the length of the platform at width/2. How can I compute the torque of the motor required to ...
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1answer
27 views

Rover style robots with less motors than wheels

In all of the designs that I have seen for rockie bogie suspensions, each wheel has a separate motor. Can a rover be driven with less motors? Does each wheel need to spin independently?
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2answers
69 views

Best way to estimate velocity of motor with encoder

I'm designing a PMSM controller with the motor has an optical encoder, so I can get position information from the motor. But how to measure the velocity of the motor. Now, my design is to calculate ...
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1answer
17 views

Tamiya Dual Gearbox attached to an Arduino Uno Board

I'm building a robot that uses the arduino uno microcontroller, and the tracks system is run by the tamiya 70168-Double-Gearbox-Kit. Each Tamiya motor only uses 3V which is fine but it seems the ...
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1answer
53 views

DC geared motors or leadscrew and motor for joints

I'm trying to build a quadruped robot. I studied dynamics and to get an idea, I read and watched papers and videos related to robots like ALof and StarlETH and some more. But since this is my first ...
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0answers
23 views

How to PID loop Tuning for the system which step response is Oscillating about set point

I am using PID controller to stabilise the two DC motor response using encoder signals. DC motor is controlled by Driver with the analog signal. I am using PID closed loop to run the DC motor at fixed ...
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28 views

Need some advice on controlling maxon motors for two wheeled robot

I am using two maxon EC 45 flat motors to run a three wheeled robot (the third wheel is passive). I have two motor controllers (Maxon ESCON 50/5) to control each motor as well. There is a software by ...
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1answer
40 views

Getting error on serial monitor when using serial controlled motor

I am using this motor in a robotic arm. I wanted to move it to a position and the position was provided via an input but I am getting errors on Serial Monitor. Initially when I tried this , name of ...
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1answer
42 views

Controlling a dc servo with serial communication

I am going to buy this motor :- https://robokits.co.in/motors/encoder-dc-servo/faulhaber-coreless-17w-encoder-motor-120rpm-pid-dc-servo-drive?zenid=im3bp6grppt2f2ofdo2r6pq5c2 The datasheet of its ...
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41 views

Controlling industrial grade dc motors fitted with analogue or digital encoders for robotic arm

I am new to such industrial motors. I searched through the datasheets of these motors ( analogue and digital ) and didn't get clear answer about how I would be able control with MCU like Arduino or ...
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2answers
66 views

Controlling Stepper or DC motor with L298 or L293 and getting operation similar to Servo for 6 dof arm

I will be using 1:4 gear ratio and thus will require a motor with a continuous 360 motion and a high torque for efficient functioning. Servo motors with continuous rotation and high torque are very ...
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1answer
66 views

What propeller to use for in-pipeline robot?

Currently im working on an in-pipeline inspection robot that can navigate through narrow pipeline. My design is to use a propeller at the back to push the robot forward. The front part of the robot ...
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1answer
23 views

6 motors with TB6612 driver + power requirements

I am looking at the ServoCity Bogie platform - it comes with 6 motors. The motor listed specs are: Suggested Voltage: 4.5 VDC No Load Current: 190 mA Max. Load Current: 250 mA I ...
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21 views

Separation of motors from movement

I have a large 1m diameter metal sphere. It has a fixed hollow rod drilled through the bottom of the sphere side and reaches to the middle of the sphere. I wish to move something in a x and y ...
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1answer
36 views

Recommendations and Advice - Motor Driver for 12V Gear Motor with Magnetic Encoder

I am building a robotic insect leg that would be actuated by 2 DC motors for pan and tilt motions. Total weight of the leg is about 1.5kg and 1m long (moment arm ~0.5m). Magnetic encoder would be used ...
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25 views

Sensored BLDC motor (sometimes) needs push to get started

I'm having a sensored BLDC motor (12V version though) connected to a suitable motor controller and powered through a 25A regulated power supply With an Arduino I'm able to control the motor just fine. ...
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46 views

PID loop to control motor velocity with disturbances

I am trying to use a PID loop to control a motor. This is my first attempt at creating a PID loop (really just a PI loop). There doesn't exist a model for this system, and I don't know how to create ...
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1answer
25 views

Excessive Heat Coming From Video Transmitter and Motor Electronic Boards

I'm building a quadcopter and I'm finding that certain electronic boards are heating up beyond what I believe the heat should be. In this case I hooked up the video transmitter and then tested it. ...
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1answer
44 views

BetaFlight sees motors working, but motors not spinning

I am using FlySky i6 Transmitter and a FS-iA6B receiver. I have it set up using PPM and BetaFlight recognizes the motors in the Receiver section. All the values adjust according to the toggles and ...
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4 views

How can I measure the BEMF signal and zero cross detection?

I have started to work on a Sensorless BLDC motor. In open loop mode, Sensorless BLDC motor is running in properly. My question is how can I measure the BEMF signal and zero cross detection? Motor ...
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1answer
20 views

What part do I need to bypass the gearbox of a hoveround motor? Helical splined hub?

I have an old powered wheelchair motor from a Hoveround. I have removed the gearbox and I would like to attach a lawnmower blade directly to the shaft. As you can see from the photo, it has 7 ...
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1answer
19 views

What motor features should I consider for automated blinds?

Not sure if this is the proper community, apologies if not. I'm wanting to start a DIY project at home to automate my blinds through Alexa. I'm comfortable with the tech from the microcontroller up, ...
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18 views

accessing serial and ethercat devices

I want to, ask is accessing all the serial devices/sensors eg. RS-422, RS-232 done in same way? And also is accessing all the devices in market with ethercat connection can be done in same way? For ...
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26 views

Motor propeller combination query

I'm building a drone. It is an octocopter with two propellers on each side. I'm using 2 propellers on each side for redundancy purpose, beacuse it will be carrying a heavy camera. My drone weight is ...
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25 views

What protection circuitry is required for tracked robot using Roboclaw controller, 313 RPM planetary motors, 12V AGM battery

I am trying to assemble a tracked robot (from Servo City) (Agent 390) with the following: -- two 313 RPM DC motors, stall current of 20A. I have tested the tracks w / motors, they draw around 0.5 to ...
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33 views

double check my Battery & DC Motor math, and provide recommendations

I'm building a lawn bot, I think I have the math for my motor draw vs battery correct, but i wanted to run it past some experts. Motor motors and transmitter/reciever Motor Controller https://www....
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1answer
22 views

Power delivery issue for our human following robot project

We are very new in the game of robotics and we are dealing with a power delivery issue for our motors. We are using two 12V DC motors to give motion to our robot. We are using the L293D motor driver ...
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35 views

Using hls lfcd lds in conjunction with a motor driver for obsticle avoidance

I have a hls lfcd lds that i am desperately trying to figure out how to integrate into my robot. i found an arduino library for the sensor lidar sensor library Now im trying yo figure out how to get ...
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1answer
228 views

L298N driver takes too much current

I'm using L298N motor driver to spin stepper motor (42BYGHM809). When connecting it to batteries(2*9v), the batteries heats up after few minutes and stop working, and when connecting it to power ...
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2answers
39 views

Controlling a servocity planetary motor?

I know this might sound like a stupid question, but I actually need help with this. So, I'm looking at this motor: https://www.servocity.com/2737-rpm-premium-planetary-gear-motor. I have a raspberry ...
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2answers
61 views

How to maximize stall torque of a motor

I'm looking to use 3-phase motor without gearbox for robotics application. It will always work at near stall situation never rotating more than 360deg. I'm looking for arrangement that will produce ...
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0answers
30 views

Linear Actuator

I'm having some technical issues with the SDA6-263 and SDA12-263. The problem I'm having is the same for both actuators. This is the list of my equipment for my setup. Sabertooth 2x32 (https://www....
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0answers
15 views

Choosing motor for shake/push pull action?

I'm looking forward to choose motor for shake or fast push/pull action. On this video you can see example motion on 3:04. I read linear motor does that but looks like much slower. What kind of motor ...
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1answer
55 views

Control geared DC motor based on timing?

According to this video from Khan Academy about electronics of a DVD drive the position of the sled (which moves the reading head) is controlled by a geared DC motor by using only timing and one end-...
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1answer
32 views

Probably basic question about how control a DC motor

over the past weeks I was trying to figure out how use the information from hall sensor to control a DC motor. Basically this is the motor which I'm using: https://www.servocity.com/32-rpm-hd-premium-...
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1answer
65 views

How can I reduce vibration of motor pulley assembly?

My motor setup is vibrating too much for my intended project. Here are my assembled parts : ClearPath® - Integrated Servo System motor, p/n CPM-MCVC-2310S-RQN two Actobotics 15 Tooth, Flanged XL ...
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1answer
77 views

Using hall sensors to calculate position

I have a geared DC motor with hall speed sensors. I want to count signals from the sensor to get position of the motor. Hall sensor has resolution of 12 CPR. Gear ratio is 1:810, which means that I ...
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1answer
99 views

Relation between Power, Weight & Speed

Motor I am going to use these 100rpm 12Volt Motor supplied Power given below. Surface Surface will be Plain Wooden. Area of contact between 6 Tyre and surface would be maximum of 4cm2 in total. Use ...