New in softcover. Hardcover was published in2023. This book introduces readers to the principles and practical applications of intelligent robot system with robot operating system (ROS), pursuing a task-oriented and hands-on approach. Taking the conception, design, implementation, and operation of robot application systems as a typical project, and through "learning-by-doing, practicing-while-learning" approach, it familiarizes readers with ROS-based intelligent robot system design and development step by step.