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by coppelia
25 Jul 2017, 21:07
Forum: General questions
Topic: Help me please
Replies: 1
Views: 7

Re: Help me please

Hello,

have a look at the Remote API.

Cheers
by coppelia
25 Jul 2017, 21:02
Forum: General questions
Topic: How to detect if claw has gripped an object
Replies: 1
Views: 6

Re: How to detect if claw has gripped an object

Hello Anand,

you have several possibilities. For instance, you can check the position of the gripping joint. Or you can check if the sensor uarmGripper_fakeGrippingSensor is detecting something.

Cheers
by coppelia
25 Jul 2017, 20:55
Forum: General questions
Topic: Vrep Matlab Synchronous Mode and DTTO Robot
Replies: 9
Views: 110

Re: Vrep Matlab Synchronous Mode and DTTO Robot

In order to display 2 curves in the same graph, you first need to prepare two user-defined streams for a given graph. Make sure the graph is explicitely handled. Then, each time you want to add a point for the two variables, use something like: simSetGraphUserData(graphHandle,'dataStreamA',varA) sim...
by coppelia
25 Jul 2017, 20:45
Forum: General questions
Topic: Plotting a variable in a graph (from a ROS node)
Replies: 1
Views: 46

Re: Plotting a variable in a graph (from a ROS node)

Hello Mathias, Are you sure your data stream type is " Various: user-defined "? Also, make sure to check this link . Otherwise you can always open a custom user interface window and draw the curve manually (i.e. where you control every aspect of the graph). For that, you can find inspirati...
by coppelia
25 Jul 2017, 20:40
Forum: General questions
Topic: Mobile Wheeled Platform Directional Control Problem
Replies: 3
Views: 68

Re: Mobile Wheeled Platform Directional Control Problem

Make sure to very carefully read this page. Mainly the design considerations 7-8.
With physics engines like Bullet or ODE, you often have to cheat by using non-realistic masses and/or inertias. Vortex handles this much better.

Cheers
by coppelia
20 Jul 2017, 11:02
Forum: General questions
Topic: Control a real NAO robot using remote API functions
Replies: 1
Views: 30

Re: Control a real NAO robot using remote API functions

Hello, about your questions: 1. it also works the other way round, but the remote API client will always remain the client. So if you want to send something to the remote API client, the remote API client has to make a request, then stream those requested values. Or simply listen to a specific signa...
by coppelia
20 Jul 2017, 10:54
Forum: General questions
Topic: Boundaries of a road
Replies: 3
Views: 67

Re: Boundaries of a road

That was my suggestion by using a map (the map will tell you what region is valid, and what region is invalid). But someone needs to create that map. Once you have the map, your vehicle can check its position relative to that map and try to avoid forbidden regions.

Cheers
by coppelia
20 Jul 2017, 10:52
Forum: General questions
Topic: Self-driving car along a path
Replies: 1
Views: 56

Re: Self-driving car along a path

Hello, you can only act on 2 variables in your car model: the torque/speed, and the position of the steering wheel. So you have to figure out a controller that will try to follow a point on the path you have, by adjusting only those 2 values. If you just keep the vehicle velocity constant at first, ...
by coppelia
20 Jul 2017, 10:46
Forum: General questions
Topic: Vrep Matlab Synchronous Mode and DTTO Robot
Replies: 9
Views: 110

Re: Vrep Matlab Synchronous Mode and DTTO Robot

From how I see things, your joints should be in position control mode, and you should only submit the desired position and desired force/torque. This does not have to happen in a synchronous fashion. I would: ⋅  set all joints into force/torque mode, enable the motor, enable the control lo...
by coppelia
20 Jul 2017, 10:42
Forum: General questions
Topic: Units for Angular velocity using simxGetObjectFloatParameter
Replies: 1
Views: 24

Re: Units for Angular velocity using simxGetObjectFloatParameter

Hello,

all API units are in m, s, kg, rad (or a combination of those) unless otherwise specified.

Cheers

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