drerD
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1 answers
1 votes
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Robot mechanism parts names
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3 votes

This is called a Stewart platform. You can use any linear actuator type, hydraulic, pneumatic or electric.

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2 votes
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Python PID tuning - Parrot Bebop 2 - Target follower - ROS
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#PID X AXES sum_error_x = sum_error_x + vel_x last_error_x = vel_x output_x = Kp_fb * vel_x + Kd_fb * (vel_x - last_error_x) + Ki_fb * sum_error_x #PID Y AXES sum_error_y = ...

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Robot arm with steppers - speed
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I think the softness you describe has to do with stepper motor step sizes, try micro stepping to increase smoothness. And devise a motion profile with 3rd order spline to have acceleration equal to ...

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Integreation Method In Dr with 3 Sources
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1 votes

You should definitely use a filter. You need to adjust to the noises. If you can design or know the state space models of the agent and the sensors then KF is the easiest to use.

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how to implement autonomous navigation using lidar and hector?
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http://wiki.ros.org/amcl You should try this and take a look at http://wiki.ros.org/turtlebot_navigation/Tutorials/Autonomously%20navigate%20in%20a%20known%20map It provides the code to use amcl and ...

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2 answers
3 votes
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EKF SLAM : Missing older landmarks in new observation
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EKF SLAM will have larger covariances for the missing landmarks.

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Learning micro-controller programming
1 votes

I would say yes. At the lowest level in terms of robotic project development, you need to interface with hardware, e.g. sensors, motors, etc. So there's always demand in those area. As of if ARM uCs ...

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2 answers
1 votes
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Reading Intention for exoskeletons motion estimation
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3 votes

You have many options: encoders at exo joints to provide absolute angles, IMU on limbs for estimating motions, force sensing shoe soles for force distribution, force sensors at joints, crutches ...

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