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I have a GPS module and an IMU (gyro, accelerometer and magnetometer) and I need to build an autonomous navigation system for a quadcopter. It must know its position at any time so that it can track a predefined path. I know that, in order to improve precision, I need to merge both sensors data through a Kalman Filter ... |
I hope you can help me with my project.
I'm using a skid-steering wheeled mobile robot for autonomous navigation and I'd like to find a way to be able to perform path reconstruction in Matlab.
By using only the robot encoders (installed on the robot) and the yaw rate information (which come from a very accurate IMU sen... |
I'm really in doubt whether it is proper to ask this question here, so I'm apologizing if it is not, I'll delete it.
I have a Roomba robot which has worked for me for more than three years, and now while it is working it is producing some strange sounds, so I've decided to clean it thoroughly.
But when I disassembled i... |
I'm a CS student trying to implement a clustering algorithm that would work for a set of robots in an indoor controlled environment. I'm still starting on Robotics and don't have much experiencing in figuring out what will work together.
My plan is to get 6 of these Zumo robots and plug in a wifi module like the Wifi s... |
Is it safe to give 5v through 5v pin of arduino uno r3 while the USB cable is inserted? I have ESCs connected to it which aren't likely to start in other cases. The 5v and gnd is coming from the BEC circuit of a connected ESC. Please help me. Thanks
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As in this video: https://www.youtube.com/watch?v=qce5Vguj5Jg
In this new version (did not see the learning part in the past versions), with three to four trials, Cubli can learn to balance on a new surface.
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We do some experiments of real time representation of sensor position on TV. In this experiments, we used sensors for collect real time position in 3D at 250Hz and TV for Display the sensor position at 60Hz. Also, we used MATLAB and C++ for programming with OpenGL platform.
In programming, Every iteration dat display o... |
what robotic leg technologies are available.
i'm sorry if this is a basic question i am a software developer looking to get into the field of robotics. i am particularly interested in robotic legs that are similar to those used on Boston Dynamics ATLAS robot.
what is the mechanism required that allows it to move its jo... |
I have recently purchased my first ever servo, a cheap unbranded Chinese MG996R servo, for £3.20 on eBay.
I am using it in conjunction with a Arduino Servo shield (see below):
As soon as it arrived, before even plugging it in, I unscrewed the back and ensured that it had the shorter PCB, rather than the full length P... |
This question is a follow on from my previous question, Overheating/Jamming MG996 servo.
I have recently purchased my first ever servo, a cheap unbranded Chinese MG996R servo, for £3.20 on eBay.
After mounting the servo horn and the bracket, I realised that I had not mounted the horn in a tout a fait 0° orientation, r... |
I am just starting to explore an idea and I am somewhat of a novice in robotics. I am looking to position a mobile robot as accurately as possible on a concrete slab. This would be during new construction of a building and probably not have many walls or other vertical points for reference. the basic premise behind the... |
Including Q, R, and initial states of x and P.
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Attempt to clean up:
I'm trying to use this motor with this ESC and an Arduino Uno R3.
Typically, I used the PWM pins when I use the Arduino and an ESC, but I can't control the motor even if I use the servo library, and I've also tried sample code from different websites.
The ESC has a beep I can't understand. Sometime... |
I'm familiar with using PID to perform closed loop control when there is a single output and a single error signal for how well the output is achieving the desired set-point.
Suppose, however, there are multiple control loops, each with one output and one error signal, but the loops are not fully independent. In parti... |
Does anyone out there know where I can get the original iRobot Create?
The company no longer sells them.
It was only 2 years ago that it was sold. It is white and its value is the physical design, that it has a large exposed deck for mounting armatures.
It is preprogrammed to operate in different configurations, eg. s... |
I am trying to build a map containing lamps as landmarks. I drive around with a robot and a monocular camera looking to the ceiling.
The first step is detect the edges of each observed rectangular lamp and save the position in pixels and also the current position from odometry of the robot. After the lamp disappears fr... |
I have extremely limited knowledge in the general topic of robotics and therefore this question is a shot in the dark. Please let me know if the topic is unsuitable for the site.
I am interested in creating a device that would generate a touchscreen tap. In a nutshell, I would like to replicate on a touchscreen the aut... |
A have designed a robot to perform tasks in farms. But the problem now is I'm not sure on the best way to supply continuous power to my robot. All the motors are rated at 12V and only Arduino and a few sensors work at 5V or less.
Can I continuously charge a 12V lead acid battery with an adapter (comes with the batt... |
I have a system with two inputs (throttle and brake) and one output (speed). How does one design a controller in such a way that the two outputs of the controller (throttle and brake) are never both greater than zero (so that it doesn't accelerate and brake simultaneously)?
Thanks
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I have some sensors attached to Arduino Uno r3 and an ESC. I start the Motor attached to ESC through Arduino with no USB connected to laptop. It starts correctly. There is a must that I will have to start the Arduino from non USB supply so that ESC is correctly started, which means that my motor doesn't start with USB ... |
I want to create a virtual quadcopter model, but I am struggling to come up with a satisfying model for the brushless motors & props.
Let's take an example, based on the great eCalc tool:
Let's say I want to know how much current is consumed by the motor in a hovering state. I know the mass of the quad (1500g), so I c... |
Not sure if this has been asked, but there are lots of simulations of bipedal locomotion algorithms online, some of the evolutionary algorithms converge to very good solutions. So it seems to me that the algorithm part of bipedal locomotion is well-understood.
If you can do well on simulations, you should be able to do... |
I have built a mobile robot with several ultrasonic sensors to detect obstacles and an infrared sensor to track a line as a path. I have written a simple algorithm to follow the line which works fine, but avoiding obstacles are a problem because the robot doesn't know the layout of the path, so even if it does move aro... |
I am reading "Computer Vision: Models, Learning, and Inference" in which author writes at several points (like on page 428-429) that although matrix A seems to have 'n' degree of freedom but since it is ambiguous up to scale so it only has 'n-1' degree of freedom? Can anyone explain what this thing means? Why one degre... |
I'm trying to build a robot that can be sent into rooms/buildings and detect people using nxt and/or Arduino. In addition to this I would like to be able to view what my robot is "seeing" in real-time on my PC as an infrared image. The sensors I've shortlisted for this are:
Thermal Infrared NXT Sensor from Dexter indu... |
I am building a sumo-bot and our competitors have thin sticky tires, while we have wider and less sticky tires. The diameter is the same, and the gearbox/motor is the same. Who will win?
PS: Sticky tires: https://www.pololu.com/product/694 & wide tires: https://www.pololu.com/product/62
Thanks!
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I am trying to recharge my 12V lead acid battery with a 12V DC motor. I am using the battery to power the robot when it climbs. When it descends, I notice that I dont need to apply reverse voltage but the dc motor just backdrives instead. This can act as generator to recharge back the battery, am I right?
I know that ... |
I have a small mobile robot with a LidarLite laser range finder attached to a servo. As of now I have the range finder side-sweeping in a 30 degree arc, taking continuous distance readings to the side of the robot (perpendicular to the robots forward motion).
My goal is to have the robot drive roughly parallel to a wal... |
On many drones are already external magnetometers. Unfortunately, the orientation of such sensors is sometimes unknown. E.g. the sensor can be tilted 180° (pitch/roll) or X° in yaw. I was wondering, whether one could calculate the rotation of the sensor relative to the vehicle by application of the accelerometer and gy... |
I am stuck in adjusting the PID of my quadcopter, I cant adjust them on the fly because it just get out of control. I am adjusting them while attaching my quadcopter to something.
Is this method correct. Will the pid values required will be different on the fly or same. Please suggest me how to attach my quad to some t... |
static void set_default_param(DPMTTICParam& param)
{
param.overlap = 0.4;
param.threshold = -0.5;
param.lambda = 10;
param.num_cells = 8;
}
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When should you use multiple separate batteries vs a single battery with multiple UBECs?
I'm trying to design the power system for a small 2-wheeled robot. Aside from the 2 main drive motors, it also has to power an Arduino, a Raspberry Pi and a couple small servos to actuate sensors.
the motors are each rated for 6V ... |
I'm working on project for the Autonomous vehicle, and i want to know what's confidence level means and how can we use confidence level for vehicle detection in OpenCV ?
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For adjusting the pid for quadcopter, how much speed of motors are required before adjusting the pid. Do we need to give so much offset speed so that it cancels weight? I am sure we cant start adjusting pid with zero speed of motors initially.
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Given a set of robot joint angles (i.e. 7DoF) $\textbf{q} = [q_1, ... , q_n]$ one can calculate the resulting end-effector pose (denoted as $\textbf{x}_\text{EEF}$), using the foward kinematic map.
Let's consider the vice-versa problem now, calculating the possible joint configurations $\textbf{q}_i$ for a desired end... |
In an autonomous mobile robot, we're planning on using digital servo motors to drive the wheels. Servo motors usually don't rotate continuously. However, they can be modified to do so based on many tutorials online which only mention modifying [analog] servo motors.
My question is, can the same method(s) or any other o... |
I am making a Robot goalie, the robot is supposed to detect whether a ball has been thrown in its direction , sense the direction of the ball and then stop it from entering the goal post. A webcam will be mounted on top of the goal post. The robot is required to only move horizontally (left or right), it shouldn't move... |
People at the RepRap 3d-printing project often mention CNC routers or CNC mills.
Both kinds of machines almost always have a motorized spindle with stepper motors to move the spindle in the X, Y, and Z directions.
What is the difference between a CNC router versus a CNC mill?
(Is there a better place for this sort of q... |
I'm designing my lawn mower robot, and I am in the perimeter stage.
The electronic part is done, and works quite good, now comes the software.
I need an advice on how to deal with the problem of line following. I mean, once the robot is on the line, parallel to the line, that's relatively easy.
But how to manage the ... |
I will have a 5 or 6 DOF arm build with Dynamixel or HerculeX smart servos. I need to move the gripper along Cartesian trajectory, which I will calculate in my C++ application. I looked at ROS, but the learning curve is pretty steep and it looks like a major overkill for this use case. I don't need a distributed syste... |
I am trying to run my 600 series Roomba in a large, open space (1700+sf) and it does not recognize the large, open space and throws the Error 10 code. It does not recognize an edge of 2 12"-3" either; it will fall off the edge and become stuck. Any suggestions?
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How do i determine which angle i can negate when gimbal lock occurs.
As i've understood with gimbal lock that it remove one degree of freedom, but how do i determine which degree can be removed when a value R[1][3] of a rotation matrix (size 3x3) has the value 1. Is it the Roll, Pitch or yaw which can be taken out ... |
I bought this drone frame : q450 glass fiber quadcopter frame 450mm from http://hobbyking.com/hobbyking/store/__49725__Q450_V3_Glass_Fiber_Quadcopter_Frame_450mm_Integrated_PCB_Version.html
I'm considering buying 4 AX-4005-650kv Brushless Quadcopter Motor's from http://hobbyking.com/hobbyking/store/__17922__AX_4005_650... |
I am running ROS Indigo on Ubuntu 14.04. I am doing a mono-camera calibration and trying to follow the camera calibration tutorial on the ROS Wiki.
I give the following command:
rosrun camera_calibration cameracalibrator.py --size 8x6 --square
0.108 image:=/my_camera/image camera:=/my_camera
I get the following err... |
Background: Introductory robotics competition for college freshmen; Bot has to open 8 jars (with two balls in each of them) in ten minutes and load the balls into a shooting mechanism.
So, we were doing this project and we hit upon a challenge that the jar is not opening like we originally intended to. So we decided to... |
I have implemented an EKF on a mobile robot (x,y,theta coordinates), but now I've a problem.
When I detect a landmark, I would like to correct my estimate only on a defined direction. As an example, if my robot is travelling on the plane, and meets a landmark with orientation 0 degrees, I want to correct the position e... |
The joint velocities are constant and equal to $\dot{\theta}_{2}$ = 1 and $\dot{\theta}_{1}$ = 1. How to Compute the
velocity of the end-effector when $\theta_{2} =\pi/2$ and $\theta_{1} = \pi/6$
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The question I am asking is that, what is the effect on stability of increasing or decreasing both the sample time and lagging of error signal to PID. Does it helps in stability or degrade it?
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I saw one old industrial robot(Year 1988) end effector is having 2 DC motor for roll drive. After roll drive, yaw and pitch drives are connected and it has dc motors separately.
But roll drive has two DC motors. Why are they used like this? why not single with higher torque.
All the roll, pitch and yaw motors are same ... |
I am attempting to use the data Underwater Simulator (UWSim) provides through the ROS interface to simulate a number of sensors that will be running on a physical aquatic robot. One of the sensors detects the current depth of the robot so, I want to simulate this with the data provided by the UWSim simulated pressure s... |
I am trying to find a control model for the system of a balancing robot. The purpose of this project is control $\theta_2$ by the 2 motors in the wheels i.e. through the torque $τ$ I started with the dynamic equations and went to find the transfer function.
Then I will find the PID gains that will control the robot an... |
I recently bought a IMU . I am new at this.
My question: Does the positioning of the IMU matter? Are there any differences between placing it at the center of the plate or if it is offset from the center?
I am still learning about this topic. So any help would be greatly appreciated.
Thanks.
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I have a sensor that gives R, Theta, Phi (Range, Azimuth and Elevation) As such:
https://i.stack.imgur.com/eVci6.jpg
I need to predict the next state of the object given the roll, pitch yaw angular velocities given the above information. But the math is really confusing me.
So far all I've gotten is this:
Xvel = (R * A... |
I am using the ar_track_alvar package in Indigo to detect AR Tags and determine their respective poses. I am able to run the tracker successfully as I can visualize the markers in RViz. I give the following command to print the pose values
rostopic echo /ar_pose_marker
and I get the following output indicating that t... |
I am doing research on autonomous car and looking for a sensor to be used along with LiDAR laser scanner. Ladybug could be a very good option but the cost!! too expensive.
Could you please suggest me options for camera sensors with good FOV and which will cost me around $1000.
Thank you so much!!
-CHIANG CHEN
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I'm working on a project that requires me to build a small vehicle (footprint of ~ 14 x 14 inches, less than 6.5 pounds) that can traverse sand. For the steering system, I was thinking of replicating the way tanks and lawn mowers navigate (ability to do zero-point turns), but I want to do this with four wheels instead ... |
I want to replace the flight module with smart phone because it has all sensors that are required, like gyroscope, magnetometer, etc. Is that possible?
I am using an Google Nexus 4 Android (OS model 5.1). I will control using another mobile, I am able write an app, with an Arduino acting as a bridge between smartphone ... |
In the past I built some simple robot arms at home, using RC servo motors or stepper motors (till 3dof). I would like to build a new arm with 4dof or 5dof with the steppers. Until now I used Arduino and A4988 stepper drivers and Gcode.
For calculating inverse kinematics in real time for a 4dof or 5dof I think the Ardui... |
my quadcopter's settling time is very large, that is it sets its setpoint in very large amount of time, during which it has covered a large distance. But at settle point, when i gives it a jerk or push its returns to settle in normal duration. doesnt over shoots(little). The problem is with the settling time that is wh... |
I'm interested in building a quadcopter. The result I'd like to obtain is an autonomous drone. I'd be interested in a GPS to allow it to remain stationary in the air, and also to fly through checkpoints.
Can this be done with a flight controller, or does it need to be programmed? I'm not too sure about what flight cont... |
I would like to make a Cartesian robot with maximum speed of up to $1ms^{-1}$ in x/y plane, acceleration $2ms^{-2}$ and accuracy at least 0.1mm. Expected loads: 3kg on Y axis, 4kg on X axis. Expected reliability: 5000 work hours. From what I have seen in 3D printers, belt drive seems not precise enough (too much backla... |
This is a very basic beginner question, I know, but I am having trouble connecting to the Hokuyo UST-10LX sensor and haven't really found much in terms of helpful documentation online.
I tried connecting the Hokuyo UST-10LX directly to the ethernet port of a Lubuntu 15.04 machine. The default settings of the Hokuyo UST... |
I have a dataset that contains position information from tracking a robot in the environment. The position data comes both from a very accurate optical tracking system (Vicon or similar) and an IMU. I need to compare both position data (either integrating the IMU or differentiating the optical tracking data).
The main ... |
Let us assume I have an object O with axis $x_{O}$, $y_{O}$, $z_{O}$, with different orientation from the global frame S with $x_{S}$, $y_{S}$, $z_{S}$ (I don't care about the position).
Now I know the 3 instantaneous angular velocities of the object O with respect to the same O frame, that is $\omega_O^O = [\omega_{Ox... |
Let us assume we have a gyro that is perfectly aligned to a global frame ($X,Y,Z$).
From what I know the gyro data give me the angular rate with respect to the gyro axis ($x,y,z$). So let's say I got $\omega_x,\omega_y,\omega_z$. Since I know that the 2 frames are perfectly aligned I perform the following operations:
... |
I'm looking for a "good" algorithm/model for wheeled odometry estimation. We have encoders on the two back wheels of the tricycle robot, and IMU on the controller board. Currently we use MEMS gyro for angular velocity estimation and encoders for linear velocity, then we integrate them to get the pose. But it's hard to ... |
To avoid wasting your time on this question, you might only want to react on this if you have knowledge of industrial robotic arms specific.
Common troubleshooting is unlikely to fix this problem or could take too much time.
We've started a project with the Mitsubishi Melfa RV-2AJ robotic arm.
Everything went fine unti... |
I am working on a project where I want to run some computer vision algorithms (e.g. face recognition) on the live video stream coming from a flying drone.
There are many commercial drones out there that offer video streams, like
http://www.flyzano.com/mens/
https://www.lily.camera/
etc..
But none of them seem to giv... |
I am planning to build a homemade ROV, and I wanted to know a couple of things about the motors. First is: Will it be Ok, if I use a brushed DC motor, instead of a brushless motor, and is there any major disadvantages ? Second : What RPM DC motor should I aim for ? High RPM or low RPM ? Will 600rpm be enough ? The sp... |
I do have a robotic application, where a 7Dof robot arm is mounted on a omnidirectional mobile platform. My overall goal is to get MoveIt! to calculate a sequence of joint movements, such that the robot EEF reaches a desired goal in Cartesian space.
In order to combine a robot platform with a world, the MoveIt! setup a... |
I'm using an accelerometer and gyroscope to detect the angle and tilt rate on my two-wheeled cart-pole robot. Is there an optimal height to place the sensors? Should I place them closer to the bottom (near the wheels), the middle (near the center of mass), or the top? Justification for the optimal choice would be ap... |
I'm working on modeling and simulation of robotic arm, after I obtained the mathematical model of the robot, I used that to implement some control techniques, to control the motion of the robot. The dimensions and masses of each links are taken from available kit, basically, it's RA02 robot with servo at each joint. Af... |
The rest of my student team and I are in the process of redesigning an exoskeleton and building it based on an existing one. From the papers that we have been reading there are some references to low, high and zero impedance torque bandwith.
What is that? Does it have to do with the control system?
It is measured in Hz... |
I found not so much literature to the topic, this is why I ask here.
Does someone know some ways to estimate the drift rate of the gyrometer.
I was thinking about basically two approaches.
One would be to use a low pass filter with a low cut-off frequency to estimate the drift of the angular velocity.
Second would be ... |
Is it possible to set up communication between an Arduino Uno and an Android phone using a wire that directly connects the Android phone and the Arduino?
|
I have a 1inch square tube that I would like to place a motor into.
The motor I have takes up approximately 1/2 of the available space (roughly 3/4 inch I.D.) I would like to find the largest motor that will fit in the space without having to cobble too much of a housing.
Where/how can i find motors by physical dimen... |
I have a Crock Pot with an analog knob and would like to find a way to turn the knob by using and appliance timer. I have no idea where to begin. I need help.
Thanks
|
Currently I am developing a control system for an aircraft of a unique design (something in between a helicopter and a dirigible). At this moment I can model only the dynamics of this vehicle without any aerodynamic effects taken into account. For this I use the following work-flow:
Mechanical model in SolidWorks -> MS... |
I know how to make a line follower. But in this video what have they done exactly? They are giving the source and destination in the map but how the robot moves based on the instruction given in map?
What is the procedure to do it? They have mapped the path. Please do watch the video.
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I want a mobile robot to go from a starting position to a goal position. But, I don't want to calculate the pose from encoders. Instead I want to know if there exist such a simulator that provides pose function that makes the work easier, like go_to(x_coordinate, y_coordinate). That means, the robot will automatically ... |
I am planning to use MATLAB and Gazebo for one of my course projects.
However all the tutorials I have seen till now use Gazebo by using a virtual machine which has ROS and Gazebo installed. I have already installed ROS and Gazebo on this machine (OS Ubuntu). I also have MATLAB installed on it.
Is it possible to use ... |
What are the main differences between motion planning and path planning?
Imagine that the objective of the algorithm is to find a path between the humanoid soccer playing robot and the ball which should be as short as possible and yet satisfying the specified safety in the path in terms of the distance from the obstacl... |
I am currently planning on building a robotic arm. The arm's specs are as follows:
3 'arms' with two servos each (to move the next arm)
single servo clamp
mounted on revolving turntable
turntable rotated by stepper motor
turntable mounted on baseplate by ball bearings to allow rotation
baseplate mounted on caterpilla... |
As someone who is new and is still learning about robotics, I hope you can help me out.
Let's say I have two systems:
(a) Inverted Pendulum (unstable system)
(b) Pole Climbing Robot (stable system)
For system (a), I would say that generally, it is a more dynamic system that produces fast motion. So, in order to effe... |
I would like to filter angular velocity data from a "cheap" gyroscope (60$). These values are used as an input of a nonlinear controller in a quadcopter application. I am not interested in removing the bias from the readings.
Edit:
I'm using a
l2g4200d gyroscope connected via i2c with an Arduino uno. The following sam... |
First off, sorry if my question is too naive or not related to the forum (this is the best matching one I've found on StackExchange).
I have some amount of SIM-cards. I can programmatically access a single SIM-card if it is inserted into a USB-modem. I want to be able to access the specified card in the set. The best w... |
I have the following system here:
https://i.stack.imgur.com/DKIDk.jpg
Basically, I have a range finder which gives me $R_s$ in this 2D model. I also have the model rotate about the Centre of Mass, where I have angular values and velocities Beta ($\beta$) and BetaDot ($\dot{\beta}$).
I can't see, for the life of me, ho... |
I try to measure Euler angles from an IMU, but some discontinuities happens during measurement, even in vibrationless environment, as shown in the images below.
Can someone explain which type of filter will be the best choice to filter this type discontinuities?
|
I am a beginner at robotics.
I recently stumbled across this robotic clock on youtube.
I am an electrical engineering student and am interested in submitting it as my minor project.
I have studied the basics on forward and inverse kinematics, Greubler's Equation, four bar linkage but this robot seems to be a 5 bar lin... |
I'm given an assignment in which I have to design a full state feedback controller by pole placement. The state space system is fully controllable and I've been using Matlab/Simulink to determine the required feedback gain K using the place() command for several sets of poles, however once I use poles that are "too neg... |
I am trying to establish the FRI connection for KUKA LBR iiwa. I know how to configure the FRI connection as there are example programs available in the Sunrise.Workbench.
A sample code is given below. My question is 'how to pass' the joint torque values (or joint position or wrench) to the controller using 'torqueOve... |
I am trying to Calculate the thrust my 4 quadcopter motors will have.
I am not sure how to do it. Here are the parts I am Using
4S 6600mAh 14.8V Lipo Pack
15x5.5 Prop
274KV motor max output is 28A
ESC 35 Amp
Thank You
|
When I send several commands in a row some don't get executed. For example I have a script which starts the roomba driving in a circle and plays the john cena theme song through its speakers but sometimes it will only play the music and not drive. I have noticed that in all the guides there are pauses after every comma... |
I have a STM32F072RB Nucleo Board which has a 64Pin Microcontroller.
For my application I chose the sTM32F103RG which has a bigger RAM size and Flash size too.
Can i Remove an F072R from a Nucleo board put a F103R on top of it?
I am testing my code with a F103C, but the flash and ram size is not meeting my requirement.... |
I am currently interested in SCARA arm designs and I have few, beginner questions for which I didn't find answers yet.
1/ While comparing professional arms (made by epson, staubli...) I noticed that the actuator used for the translation on the Z axis is at the end of the arm. On "hobby" arms like the makerarm project ... |
I'm trying to make a quadcopter with Arduino.
I already have the angles (roll pitch and yaw) thanks to an IMU. They are in degrees and filtered with a complementary filter.
I want to apply a PID algorithm for each axis but I dont know if the inputs should be angles (degrees) or angular velocities in degrees per second ... |
I am using arduino and L298n motor driving IC to drive 4 12V dc motors (150rpm).
Also I am using 11.1V LiPo battery (3cell, 3300 mAh, 20C).I have connected two PWM pins of L298n to digital HIGH from arduino.Battery positive terminal is connected to the 12V input of IC.Battey negative terminal and arduino ground is conn... |
I am participating in a robotics competition. I am supposed to design and build two robots. Out of these, one cannot have a driving actuator (it can have a steering actuator though, fed by a line following circuit). The other is supposed to drive the non-driving robot through an obstacle course, without touching it. Th... |
I have a 6 DOF arm whose velocities I'm controlling as a function of force applied to the end effector. The software for the robot allows me to input either the desired end effector velocity or the desired joint angular velocities, which I know can be found using the inverse Jacobian.
Are there any benefits of using on... |
This might be a dumb question. I have started to play with this robot with raspberry pi two days ago. I did some simple stuff, like- move around and sensor reading etc. But since yesterday night, It seems like I cannot send any command. The built in clean, dock functions are working perfectly but I cannot do anything u... |
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