This book gathers the proceedings of the 4th Latin American Congress on Automation and Robotics, held at San Salvador, El Salvador, on November 15-17, 2023. This book presents recent advances in the modeling, design, control, and development of autonomous and robotic systems and explores current exciting applications and future challenges of these technologies. The scope of this book covers a wide range of research fields associated with automation and robotics encountered within engineering, scientific research, and practice. These topics are related to control theory, Robot Operating System (ROS), robot design, collaborative robots, artificial intelligence, computer vision, sensing, field and service robotics, human robot interaction and interfaces, modeling of robotic systems, industry 4.0, and the design of new robotic platforms.