lying on the ground. However, it may not be straightforward to
determine the proper states for complex shapes and it is more
comfortable to decide the applicability based on the previously
used primitive. For example, we can specify, that ‘stand-up’ can
be applied after ‘lie-down’ has been applied without the necessity
to define all possible states in which it can be applied. Let the
predicate isApplicableAt(p, q) be true if a primitive p can control
the robot from state q. Also, let isApplicableAfter(p, pprev) be true, if
a primitive p can be applied after a primitive pprev. The predicates
are used in the RRT-MP expansion step (line 3 in Alg. 3).
lying on the ground. However, it may not be straightforward todetermine the proper states for complex shapes and it is morecomfortable to decide the applicability based on the previouslyused primitive. For example, we can specify, that ‘stand-up’ canbe applied after ‘lie-down’ has been applied without the necessityto define all possible states in which it can be applied. Let thepredicate isApplicableAt(p, q) be true if a primitive p can controlthe robot from state q. Also, let isApplicableAfter(p, pprev) be true, ifa primitive p can be applied after a primitive pprev. The predicatesare used in the RRT-MP expansion step (line 3 in Alg. 3).
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