問題：在Ubuntu16.04下使用ur_modern_driver無法編譯成功
Invoking "make -j4 -l4" failed
/home/hanieh/catkin_ws/src/ur_modern_driver/src/ur_hardware_interface.cpp:180:22: error: ‘const struct hardware_interface::ControllerInfo’ has no member named ‘hardware_interface’源網址：https://github.com/ThomasTimm/ur_modern_driver/issues/58
將src/ur_hardware_interface.cpp中的
if (controller_it->hardware_interface全部改爲
if (controller_it->type