What is the purpose of 'motion planning' in robotics?

The purpose of 'motion planning' in robotics is fundamentally about determining the best possible path for a robot to efficiently and effectively complete its designated task. This involves analyzing various factors such as the environment, obstacles, the robot's capabilities, and the specific goal it needs to achieve.

By computing the optimal path, motion planning facilitates smooth movement, minimizes time taken, and helps to avoid collisions, thereby improving overall performance and safety. It’s a critical aspect of robotic operation because it allows the system to make real-time decisions based on dynamic conditions.

Other options mentioned, while relevant in a broader context of robotics, do not directly pertain to the core concept of motion planning. For instance, documenting performance metrics is related to monitoring and assessing performance rather than planning movement. Energy efficiency, while an important consideration in robotics, focuses on power consumption rather than the strategy for movement. Developing new programming interfaces pertains more to software design than to the physical planning of movements.