Robotics Weekly Newsletter - Tuesday, June 30, 2015

Robotics newsletter

Top new questions this week: DH-Parameters for Forward Kinematics for Translatory Motion only I am fairly new to the DH-transformation and I have difficulties to understand how it works. Why are not all coordinates (X+Y+Z) incorporated into the parameters? It seems to me that at least one ... forward-kinematics dh-parameters   asked by dcpria 2 votes answered by ninerdelta 3 votes Homogenous Transformation Matrix for DH parameters I'm studying Introduction to robotic and found there is different equations to determine the position and orientation for the end effector of a robot using DH parameters transformation matrix, they ... dh-parameters   asked by Lama Sonmez 1 vote answered by Trinadh venna 1 vote Extend robotic arm with wrist rotation I got an OWI Robotic arm, but was slightly disappointed at it having only horizontal position for gripper. What would be the easiest way to extend with gripper/wrist rotation, i.e. 6th degree of ... robotic-arm   asked by denfromufa 1 vote answered by Trinadh venna 2 votes Is Lego Mindstorm a good start? I would like to start experimenting with Robots. Is Lego Mindstorm a good start? Should I consider other platforms? platform   asked by Dimitri Dewaele 1 vote answered by TobiasK 5 votes Sensors' field of view in car driving I want to develop an autonomous driving RC car. For detecting obstacles, I plan to mount 3-5 ultrasonic sensors in the front and in the back the car. What is the minimum necessary combined field of ... mobile-robot sensors wheeled-robot   asked by kender6 1 vote answered by Chuck 2 votes Greatest hits from previous weeks: How to detect when a stepper motor has stalled? How can I detect when a stepper motor has stalled? A google search led me to some people who say that when the stepper motor stalls, the current spikes up, which is easily detectable with a Hall ... stepper-motor stepper-driver force-sensor   asked by David Cary 7 votes answered by user797 6 votes How to convert vertical motion to horizontal I am interested in using this miniature motor (Squiggle Micro Motor) to create very tiny horizontal movements. However, due to very limited space, I can only place it vertically within my project. ... motor motion movement driver linear-bearing   asked by boardbite 8 votes answered by Kurt E. Clothier 4 votes

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