Diego ER

An instance with new type could be added to the KB but it should not

4

While working with KB, I have a conceptual doubt. There is domain file that defines 'place', 'bin' and other types but not 'robot', and this file is loaded by the...

FFPlannerInterface is not able to work with Contingent-FF

13

Although it is written that ff_planner_interface works with Contingent-FF, it is not working well. The problem is that it returns that the plan is unsolvable when it is solvable. After...

Obtain type of an instance from the KB

4

Hi, I have added an instance to the KB, for example "it1" of type "item". Later I need to get the type ("item") of an instance("it1") from the KB, would...

Initial state and goals are incorrectly generated in problem file by PDDLProblemGenerator

1

Now that I am moving my code from using old ROSPlan version to the latest one, I have realized about this issue. The "makeInitialState()" method of "PDDLProblemGenerator" writes parameters of...

Same goal could be stored in KB multiple times

1

It is possible to a set same goal in the KB in some situation, but it should not be as they should be unique. In this case it works well:...

Add Contingent-FF planner node

4

Existing FF planner node is not working with Contingent-FF, reason is explained in #254 and #255 issues. This pull request fixes these issues by creating an specific node for Contingent-FF.

[Q&A] Could 'forall' be used in goals?

3

I would like to define a goal using 'forall', see below. I have created domain and problem PDDL files to be used with Contingent-FF planner, and it solves the problem...

SimplePlanDispatcher does not support negative preconditions

3

I am using the FF planner with some PDDL files and it solves the plan, see below the output: ``` ff: found legal plan as follows step 0: MOVE_TO_PLACE B1...

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