Questions tagged [robotics]
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263 questions
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Should I connect frame ground to AC earth ground?
I have a robotic work cell which takes in 120VAC and runs off of a 24VDC power supply. There are a few DC devices in my system which come with a ground terminal (in addition to the + and - terminals). ...
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Does this work -> MicroROS & Zephyr RTOS on ESP32?
I am working into Micro_ROS, and the only board lying around was an ESP32.
So I started with Zephyr RTOS. I was trying to build the demo app like ping pong for my esp board, but the CMake files say ...
user602198
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What read/write speeds have people achieved with RMD-X8 Pro actuators over CAN, and is the control loop frequency a limiting factor? [closed]
I am using RMD actuators, specifically the RMD-X8 Pro 1:9 model, for a robotic arm project. According to the documentation, the CAN bus supports 500 kbps and 1 Mbps communication speeds. However, when ...
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PID control on my line follower robot
I'm a 17 year old student and I'm trying to optimize the performance of my line follower by adjusting the PID parameter values. At the moment I can only move the robot normally, but it wobbles a bit ...
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3.3V To 24V Power ON/OFF Switch
I'm quite of a beginner with electronics.
I’m building a robot powered by 4x 24V car batteries connected in parallel. I need a power switch circuit that:
Powers on the system when a momentary push ...
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Relay or Mosfet? I need to implement an emergency button in my system
I am implementing an emergency button for a medical device prototype and I was wondering what is the best option to switch the load off when the button is pressed: a mosfet or a relay?
The "load&...
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Can I link two stepper controllers and motors of different types to the same step signal outputs from a control board?
I need stepper motors of different amps and weights to mirror each other to +/- 5% total precision.
Can there be problems if I use the same step-signal pins from a control board towards two different ...
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Motor for lightweight high torque application (Jumping Robot)
I am in the process of designing a jumping robot, im trying to keep the weight below 2 kg, The robot works by compressing two helical springs with a linear actuator. The maximum force reaches 350N. I ...
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24 VDC system and metal ground
I've built a rubber tracked mobile robot and it has a metal chassis.
I use a 24 VDC 30 Ah battery to power a system which includes two DC motors, motor controllers, an industrial PC and some sensors.
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Making a timer on delay and off delay without microcontroller
I am new and want to make a compact circuit without a microcontroller. The idea is when you push the button/switch, it will delay the timer for at least 6 hours. After that, it will activate the motor ...
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Help choosing motor for a fruit cutting machine
I want assistance in determining an electric motor type suited to building a device for palm oil harvesting. Here is an example of one working palm cutting machine.
This machine works similar to a ...
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Using alkaline C cells to drive a pair of solenoids
I am working on a walking robot for my class in mechanical engineering. I have two 12 VDC solenoids that need to be actuated. Their resistance is 4 ohm so basically will require 6 amps @ 12V for the ...
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Using both safety PLC and safety relay
I am in the process of designing a robotic cell. This contains a safety door and several e-stops. I want to use the safety PLC from siemens S7-1200F. I need to have two roller tracks with 8 24V motors ...
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Dynamic model of three dof to state space?
I´m trying to convert a 3 dof robot manipulator from dynamic model to state space. I saw a video where explains how to convert a 2 dof robot manipulator, but I don´t know how to apply it to a 3 dof ...
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Will running four motors (two high speed and two high torque) get the robot rolling? [closed]
I've been building a 2WD robot for 3 months now and been switching the motors frequently and been running into the same issue - low torque.
I had these low RPM, high torque motors around and thought: ...
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