Researchers from the University of Washington, including Ninghan Zhong, Steven Caro, Megnath Ramesh, Rishi Bhatnagar, Avraiem Iskandar, and Stephen L. Smith, have introduced Bench-Push, a groundbreaking benchmark for pushing-based navigation and manipulation tasks in mobile robots. This innovative framework aims to standardize evaluations in a field where ad hoc setups have previously hindered reproducibility and cross-comparison.
Bench-Push addresses the growing need for mobile robots to operate effectively in cluttered environments with movable objects. Traditional methods, which focus solely on obstacle avoidance, fall short in these dynamic settings. The benchmark introduces a unified approach to assess robots’ ability to navigate and manipulate their surroundings through pushing or nudging strategies. This capability is crucial for tasks such as navigating mazes with movable obstacles, autonomous ship navigation in ice-covered waters, box delivery, and area clearing.
The researchers have developed a comprehensive range of simulated environments within Bench-Push, each designed to capture the fundamental challenges of pushing-based tasks. These environments vary in complexity, allowing for a thorough evaluation of robotic performance across different scenarios. Additionally, Bench-Push includes novel evaluation metrics that measure efficiency, interaction effort, and partial task completion, providing a holistic assessment of robotic capabilities.
To demonstrate the utility of Bench-Push, the researchers evaluated example implementations of established baselines across the various environments. This process highlights the benchmark’s effectiveness in comparing different robotic systems and identifying areas for improvement. The open-sourcing of Bench-Push as a Python library with a modular design further facilitates its adoption and continued development within the research community.
The introduction of Bench-Push marks a significant step forward in the field of mobile robotics. By providing a standardized framework for evaluating pushing-based navigation and manipulation tasks, the benchmark enables researchers to build on each other’s work more effectively. This collaborative approach is essential for advancing the capabilities of mobile robots in real-world applications, where interaction with movable objects is often necessary. As the field continues to evolve, Bench-Push will serve as a valuable tool for driving innovation and improving robotic performance in complex environments. Read the original research paper here.

