Hydroelastic抓取中网格内部空间不可达问题求助
Hydroelastic抓取实验中碗状模型内部空间触达问题
在Hydroelastic抓取实验里,碗状模型的内部中空空间无法被触达。我已尝试使用最新Drake v1.34版本,为对应的SDF文件(碰撞与视觉使用同一.obj文件)配置如下proximity_properties参数:
<drake:proximity_properties> <drake:compliant_hydroelastic/> <drake:hydroelastic_modulus>1e7</drake:hydroelastic_modulus> <drake:mu_dynamic>0.3</drake:mu_dynamic> <drake:mu_static>0.3</drake:mu_static> <drake:hunt_crossley_dissipation>50.0</drake:hunt_crossley_dissipation> <drake:hydroelastic_margin>1e-4</drake:hydroelastic_margin> <drake:mesh_resolution_hint>1e-4</drake:mesh_resolution_hint> </drake:proximity_properties>
但问题仍未解决。实验代码见指定仓库分支,查阅Hydroelastic接触margin文档时发现,非凸几何体的偏移面处理章节尚未编写,猜测可能采用primitive shape近似偏移面,请问该如何解决此问题?
可通过以下步骤复现场景:
git clone git@github.com:hedaniel7/drake.gitcd drakegit checkout Drakev1.34.0WithIssue19842Modsgit checkout 95627b3bddce710b7ac8d7fff65a5f48148682f5bazel run //examples/simple_gripper:robotiq_140_uogp_2024 -- --position=-0.021054,0.132327,0.186262 --orientation=0.686237,0.703709,-0.078858,0.166295 --gripper_opening=0.008972 --manual_correction=0.0 --table_correction=-0.044659 --NoHeightCorrection --uogp_object=Bowl
内容的提问来源于stack exchange,提问作者Daniel He
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