强化学习(RL)

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Science Robotics 通过人机交互强化学习进行精确而灵巧的机器人操作
机器人圈· 2025-08-22 09:02
机器人操作仍然是机器人技术中最困难的挑战之一,其方法范围从基于经典模型的控制到现代模仿学习。尽管这 些方法已经取得了实质性进展,但它们通常需要大量的手动设计,在性能方面存在困难,并且需要大规模数据收 集。这些限制阻碍了它们在实际世界中的大规模部署,其中可靠性、速度和稳健性至关重要。 强化学习 (RL) 提供了一种强大的替代方案,它使机器人能够通过交互自主获得复杂的作技能 。然而,由于样品效率和安全性问 题,在现实世界中充分发挥 RL 的潜力仍然具有挑战性。 强化学习 (RL) 是一种很有前途的方法,可以自主获取复杂而灵巧的机器人技能。通过反复试验学习,原则 上,有效的 RL 方法应该能够获得针对部署任务的特定物理特征量身定制的高度熟练技能。这可能会带来不仅超 过手工设计控制器的性能,而且超越人类远程作的性能。然而,由于样本复杂性、假设(例如,准确的奖励函 数)和优化稳定性等问题,在现实环境中实现这一承诺一直具有挑战性。RL 方法对于模拟训练和现有大型真实世 界数据集的训练非常有效,目的是泛化 。它们还与手工设计的功能或表示一起使用,用于狭隘的定制任务。然 而,开发通用的、基于视觉的方法仍然具有挑战性,这些方法 ...
3个月!搞透VLA/VLA+触觉/VLA+RL/具身世界模型等方向!
具身智能之心· 2025-08-22 00:04
Core Viewpoint - The exploration of Artificial General Intelligence (AGI) is increasingly focusing on embodied intelligence, which emphasizes the interaction and adaptation of intelligent agents within physical environments, enabling them to perceive, understand tasks, execute actions, and learn from feedback [1]. Industry Analysis - In the past two years, numerous star teams in the field of embodied intelligence have emerged, establishing valuable companies such as Xinghaitu, Galaxy General, and Zhujidongli, which are advancing the technology of embodied intelligence [3]. - Major domestic companies like Huawei, JD, Tencent, Ant Group, and Xiaomi are actively investing and collaborating to build a robust ecosystem for embodied intelligence, while international firms like Tesla and investment institutions are supporting companies like Wayve and Apptronik in the development of autonomous driving and warehouse robots [5]. Technological Evolution - The development of embodied intelligence has progressed through several stages: - The first stage focused on grasp pose detection, which struggled with complex tasks due to a lack of context modeling [6]. - The second stage involved behavior cloning, allowing robots to learn from expert demonstrations but revealing weaknesses in generalization and performance in multi-target scenarios [6]. - The third stage introduced Diffusion Policy methods, enhancing stability and generalization by modeling action sequences, followed by the Vision-Language-Action (VLA) model phase, which integrates visual perception, language understanding, and action generation [7][8]. - The fourth stage, starting in 2025, aims to integrate VLA models with reinforcement learning, world models, and tactile sensing to overcome current limitations [8]. Product and Market Development - The evolution of embodied intelligence technologies has led to the emergence of various products, including humanoid robots, robotic arms, and quadrupedal robots, serving industries such as manufacturing, home services, dining, and medical rehabilitation [9]. - The demand for engineering and system capabilities is increasing as the industry shifts from research to deployment, necessitating higher engineering skills for training and simulating strategies on platforms like Mujoco, IsaacGym, and Pybullet [23]. Educational Initiatives - A comprehensive curriculum has been developed to cover the entire technology route of embodied "brain + cerebellum," including practical applications and real-world projects, aimed at both beginners and advanced learners [10][20].
能横着走的轮足机器人诞生?
机器人大讲堂· 2025-08-19 10:32
Core Viewpoint - The article highlights the innovative design and capabilities of the new wheel-legged robot FLORES developed by Hong Kong University of Science and Technology (Guangzhou), emphasizing its versatility in navigating various terrains and its energy efficiency compared to traditional robots [1][9]. Group 1: Robot Design and Capabilities - FLORES is capable of running on flat surfaces and climbing stairs, making it a unique addition to the field of robotic technology [1][6]. - The robot can traverse different terrains, including smooth roads, cobblestones, and grass, while maintaining stability and speed, showcasing its multi-terrain adaptability [6][12]. - Experimental results indicate that FLORES consumes only 30% of the energy of traditional wheel-legged robots during straight-line movement and 35% during turns, marking it as an energy-efficient option in the robotics sector [9][12]. Group 2: Technical Specifications - The hardware components of FLORES include an Intel i7-1165G7 CPU, various motors for joint movement, and a lithium battery with a capacity of 44.4V 8AH, which contribute to its performance [11]. - The innovative design features a unique front leg configuration that allows for seamless transitions between wheel and leg movements, enhancing navigation efficiency [15][18]. Group 3: Future Developments - The research team plans to enhance FLORES with a lightweight robotic arm for object manipulation and to enable more complex bipedal movements through advanced simulation techniques [20]. - FLORES is particularly suited for environments where flat surfaces and stairs coexist, making it ideal for tasks such as material transport and patrolling in office buildings and shopping malls [20].
VLA/VLA+触觉/VLA+RL/具身世界模型等方向教程来啦!
具身智能之心· 2025-08-18 00:07
Core Viewpoint - The exploration of Artificial General Intelligence (AGI) is increasingly focusing on embodied intelligence, which emphasizes the interaction and adaptation of intelligent agents within physical environments, enabling them to perceive, understand tasks, execute actions, and learn from feedback [1]. Industry Analysis - In the past two years, numerous star teams in the field of embodied intelligence have emerged, leading to the establishment of valuable companies such as Xinghaitu, Galaxy General, and Zhujidongli, which are advancing the technology of embodied intelligence [3]. - Major domestic companies like Huawei, JD.com, Tencent, Ant Group, and Xiaomi are actively investing and collaborating to build a robust ecosystem for embodied intelligence, while international players like Tesla and investment firms are supporting companies like Wayve and Apptronik in the development of autonomous driving and warehouse robots [5]. Technological Evolution - The development of embodied intelligence has progressed through several stages: - The first stage focused on grasp pose detection, which struggled with complex tasks due to a lack of context modeling [6]. - The second stage involved behavior cloning, allowing robots to learn from expert demonstrations but revealing weaknesses in generalization and performance in multi-target scenarios [6]. - The third stage introduced Diffusion Policy methods, enhancing stability and generalization by modeling action sequences, followed by the emergence of Vision-Language-Action (VLA) models that integrate visual perception, language understanding, and action generation [7]. - The fourth stage, starting in 2025, aims to integrate VLA models with reinforcement learning, world models, and tactile sensing to overcome current limitations [8]. Product and Market Development - The evolution of embodied intelligence technologies has led to the emergence of various products, including humanoid robots, robotic arms, and quadrupedal robots, serving industries such as manufacturing, home services, dining, and medical rehabilitation [9]. - The demand for engineering and system capabilities is increasing as the industry shifts from research to deployment, necessitating training in platforms like Mujoco, IsaacGym, and Pybullet for strategy training and simulation testing [23]. Educational Initiatives - A comprehensive curriculum has been developed to cover the entire technology route of embodied "brain + cerebellum," including practical applications and advanced topics, aimed at both beginners and those seeking to deepen their knowledge [10][20].
VLA/VLA+触觉/VLA+RL/具身世界模型等!国内首个具身大脑+小脑算法实战教程
具身智能之心· 2025-08-14 06:00
Core Viewpoint - The exploration of Artificial General Intelligence (AGI) is increasingly focusing on embodied intelligence, which emphasizes the interaction and adaptation of intelligent agents within physical environments, enabling them to perceive, understand tasks, execute actions, and learn from feedback [1]. Industry Analysis - In the past two years, numerous star teams in the field of embodied intelligence have emerged, establishing valuable companies such as Xinghaitu, Galaxy General, and Zhujidongli, which are advancing the technology of embodied intelligence [3]. - Major domestic companies like Huawei, JD.com, Tencent, Ant Group, and Xiaomi are actively investing and collaborating to build a robust ecosystem for embodied intelligence, while international players like Tesla and investment firms are supporting companies like Wayve and Apptronik in the development of autonomous driving and warehouse robots [5]. Technological Evolution - The development of embodied intelligence has progressed through several stages: - The first stage focused on grasp pose detection, which struggled with complex tasks due to a lack of context modeling [6]. - The second stage involved behavior cloning, allowing robots to learn from expert demonstrations but revealing weaknesses in generalization and performance in multi-target scenarios [6]. - The third stage introduced Diffusion Policy methods, enhancing stability and generalization by modeling action sequences, followed by the emergence of Vision-Language-Action (VLA) models that integrate visual perception, language understanding, and action generation [7][8]. - The fourth stage, starting in 2025, aims to integrate VLA models with reinforcement learning, world models, and tactile sensing to overcome current limitations [8]. Product and Market Development - The evolution of embodied intelligence technologies has led to the emergence of various products, including humanoid robots, robotic arms, and quadrupedal robots, serving industries such as manufacturing, home services, dining, and medical rehabilitation [9]. - The demand for engineering and system capabilities is increasing as the industry shifts from research to deployment, necessitating skills in platforms like Mujoco, IsaacGym, and Pybullet for strategy training and simulation testing [24].
OpenAI联合创始人Greg Brockman:对话黄仁勋、预言GPT-6、我们正处在一个算法瓶颈回归的时代
AI科技大本营· 2025-08-13 09:53
Core Insights - The article emphasizes the importance of focusing on practical advancements in AI infrastructure rather than just the theoretical discussions surrounding AGI [1][3] - It highlights the duality of the tech world, contrasting the "nomadic" mindset that embraces innovation and speed with the "agricultural" mindset that values order and reliability in large-scale systems [3][5] Group 1: Greg Brockman's Journey - Greg Brockman's journey from a young programmer to a leader in AI infrastructure showcases the evolution of computing over 70 years [3][5] - His early experiences with programming were driven by a desire to create tangible solutions rather than abstract theories [9][10] - The transition from academia to industry, particularly his decision to join Stripe, reflects a commitment to practical problem-solving and innovation [11][12] Group 2: Engineering and Research - The relationship between engineering and research is crucial for the success of AI projects, with both disciplines needing to collaborate effectively [27][29] - OpenAI's approach emphasizes the equal importance of engineering and research, fostering a culture of collaboration [29][30] - The challenges faced in integrating engineering and research highlight the need for humility and understanding in team dynamics [34][35] Group 3: AI Infrastructure and Future Directions - The future of AI infrastructure requires a balance between high-performance computing and low-latency responses to meet diverse workload demands [45][46] - The development of specialized accelerators for different types of AI tasks is essential for optimizing performance [47][48] - The concept of "mixture of experts" models illustrates the industry's shift towards more efficient resource utilization in AI systems [48]
为何强化学习火遍硅谷?AGI的关键一步
Hu Xiu· 2025-08-07 07:46
Group 1 - Reinforcement Learning (RL) has become a mainstream trend in Silicon Valley for building technical architectures and model pre-training, following its previous popularity during the AlphaGo era [1][2][3] - Top talent in reinforcement learning is highly sought after by major tech companies and investors in Silicon Valley [1][2] Group 2 - The discussion highlights the evolution of models and the commercialization of AI agents, focusing on the latest technological directions [2][3] - The acquisition of ScaleAI by Meta is driven by the need for high-quality data annotation, particularly in multimodal contexts like video and image data [31][36] Group 3 - There are two main decision-making frameworks in RL: one based on large language models (LLMs) and another that focuses on actions rather than language tokens [5][6] - RL is particularly effective for tasks that are goal-driven, such as coding, mathematics, and financial analysis, where data may be scarce [10][11] Group 4 - The consensus is that supervised learning is effective for tasks with abundant labeled data, while RL from human feedback (RLHF) can enhance model performance to align with human preferences [8][9] - The challenges of RL pre-training include the need for counterfactual learning and the difficulty of generating data for unique tasks [27][28] Group 5 - The conversation touches on the five levels of Artificial General Intelligence (AGI) as defined by OpenAI, with a focus on the significant gap between agent-based AI and innovative AI [15][21] - The potential for RL to discover new knowledge and contribute to superintelligence is discussed, emphasizing the importance of verification mechanisms [12][13] Group 6 - The importance of reward design in RL is highlighted, as it can significantly impact the behavior and outcomes of AI agents [55][56] - The future of AI agents will depend on their ability to balance multiple objectives and optimize performance across various tasks [56][63] Group 7 - The conversation indicates that the landscape of AI companies is evolving, with a potential for significant mergers and acquisitions in the near future [64][65] - The need for companies to focus on technical paths that ensure profitability and sustainability is emphasized, as high operational costs can lead to challenges in growth [63][64]
国内首个具身大脑+小脑算法实战全栈教程
具身智能之心· 2025-08-07 02:38
Core Insights - The exploration towards Artificial General Intelligence (AGI) highlights embodied intelligence as a key direction, focusing on the interaction and adaptation of intelligent agents within physical environments [1] - The development of embodied intelligence is marked by the evolution of technology from low-level perception to high-level task understanding and generalization [6][9] Industry Analysis - In the past two years, numerous star teams in the field of embodied intelligence have emerged, establishing valuable companies such as Xinghaitu, Galaxy General, and Zhujidongli, transitioning from laboratories to commercial and industrial applications [3] - Major domestic companies like Huawei, JD, Tencent, Ant Group, and Xiaomi are actively investing and collaborating to build an ecosystem for embodied intelligence, while international players like Tesla and investment firms support advancements in autonomous driving and warehouse robotics [5] Technological Evolution - The evolution of embodied intelligence technology has progressed through several stages: - The first stage focused on grasp pose detection, which struggled with complex tasks due to a lack of context modeling [6] - The second stage involved behavior cloning, allowing robots to learn from expert demonstrations but revealing weaknesses in generalization and performance in multi-target scenarios [6] - The third stage introduced Diffusion Policy methods, enhancing stability and generalization through sequence modeling [7] - The fourth stage, emerging in 2025, explores the integration of VLA models with reinforcement learning and tactile sensing to overcome current limitations [8] Product Development and Market Growth - The advancements in embodied intelligence have led to the development of various products, including humanoid robots, robotic arms, and quadrupedal robots, serving industries such as manufacturing, home services, and healthcare [9] - The demand for engineering and system capabilities is increasing as the industry shifts from research to deployment, necessitating higher engineering skills [13] Educational Initiatives - A comprehensive curriculum has been developed to assist learners in mastering the full spectrum of embodied intelligence algorithms, covering topics from basic tasks to advanced models like VLA and its integrations [9][13]
都说强化+VLA才是未来?相关工作汇总来啦
具身智能之心· 2025-08-01 00:03
Core Viewpoint - The integration of Vision-Language-Action (VLA) models with Reinforcement Learning (RL) presents a promising new paradigm that leverages both environmental trial-and-error interactions and pre-collected suboptimal data for enhanced performance [2]. Group 1: Offline RL Training without Environment - The paper "MoRE: Unlocking Scalability in Reinforcement Learning for Quadruped Vision-Language-Action Models" discusses scalability in RL applications [3]. - "Q-Transformer: Scalable Offline Reinforcement Learning via Autoregressive Q-Functions" focuses on offline RL techniques [3]. Group 2: Online RL Training with Environment - Online RL training enhances VLA models through trial-and-error interactions in real-time environments, leading to performance improvements [4]. - The paper "ReinboT: Amplifying Robot Visual-Language Manipulation with Reinforcement Learning" explores this concept [5]. - "GeRM: A Generalist Robotic Model with Mixture-of-experts for Quadruped Robot" presents a generalist approach in robotic models [5]. Group 3: Simulator-Based Approaches - Various projects aim to improve VLA models using simulation environments, such as "OctoNav: Towards Generalist Embodied Navigation" [6]. - "TGRPO: Fine-tuning Vision-Language-Action Model via Trajectory-wise Group Relative Policy Optimization" focuses on optimizing VLA models through trajectory-based methods [6]. - "VLA-RL: Towards Masterful and General Robotic Manipulation with Scalable Reinforcement Learning" emphasizes scalable RL for robotic manipulation [6]. Group 4: Real-World Applications - The deployment phase of RL training is crucial for testing VLA models in real-world scenarios [8]. - "Dynamism v1 (DYNA-1) Model: A Breakthrough in Performance and Production-Ready Embodied AI" highlights advancements in embodied AI [9]. - "ConRFT: A Reinforced Fine-tuning Method for VLA Models via Consistency Policy" discusses fine-tuning methods for VLA models [9]. Group 5: RL Alignment Training - "GRAPE: Generalizing Robot Policy via Preference Alignment" addresses the alignment of robot policies with user preferences [11]. - "SafeVLA: Towards Safety Alignment of Vision-Language-Action Model via Constrained Learning" focuses on safety in VLA model training [12].
从“炫技”转向“干活”,轮子比双足更吃香......高盛总结了WAIC人形机器人最新趋势
硬AI· 2025-07-28 15:03
Core Insights - The 2025 WAIC indicates a shift towards practical commercialization in the robotics industry, with wheeled robots becoming mainstream due to their ease of deployment and cost-effectiveness [2][3][4] - Despite advancements in mobility, fine manipulation remains a significant challenge, hindering robots from fully replacing human labor [8][9] - The cost of robots is decreasing, but a clear turning point has not yet been reached, necessitating more definitive industry signals for sustainable stock performance [3][11] Group 1: Commercialization Trends - The WAIC showcased over 60 robotic products, a significant increase from 25 static prototypes last year, indicating a move towards real-world applications in various sectors [2][4] - The design trend is shifting towards wheeled bases (AGV-style) rather than complex bipedal designs, prioritizing immediate commercial viability over technical sophistication [4][5] - The event's scale and participation have grown, with a 35% increase in venue size and a 60% rise in exhibitors, reflecting heightened investment and government support in the robotics sector [4] Group 2: Application Scenarios - Robots are increasingly tailored for specific applications, moving away from a one-size-fits-all approach [6] - In industrial settings, robots are being developed for tasks such as power line inspections and quality control in harsh environments [6] - In consumer and service industries, robots are being designed for practical tasks like making ice cream, organizing rooms, and providing retail assistance [6][7] Group 3: Technical Challenges - Despite improvements in autonomous navigation and dynamic movement, the precision of robotic manipulation remains a critical limitation [9] - Demonstrations at WAIC revealed frequent operational failures, with task completion times significantly lagging behind human capabilities [9] - The integration of visual-language-action (VLA) models and reinforcement learning (RL) is seen as essential for enhancing robotic performance and achieving commercial success [9] Group 4: Cost and Data Considerations - The introduction of entry-level robots priced at 40,000 RMB marks a notable development, yet mainstream robots still range from 400,000 to 500,000 RMB [11] - High-quality real-world interaction data is crucial for training models, but the cost of data collection is high, leading companies to adopt mixed strategies for data sourcing [11]