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Kalman Based Finite State Controller for Partially Observable Domains

机译:基于Kalman的部分可观察域的有限状态控制器。

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A real world environment is often partially observable by the agents either because of noisy sensors or incomplete perception. Moreover, it has continuous state space in nature, and agents must decide on an action for each point in internal continuous belief space. Consequently, it is convenient to model this type of decision-making problems as Partially Observable Markov Decision Processes (POMDPs) with continuous observation and state space. Most of the POMDP methods whether approximate or exact assume that the underlying world dynamics or POMDP parameters such as transition and observation probabilities are known. However, for many real world environments it is very difficult if not impossible to obtain such information. We assume that only the internal dynamics of the agent, such as the actuator noise, interpretation of the sensor suite, are known. Using these internal dynamics, our algorithm, namely Kalman Based Finite State Controller (KBFSC), constructs an internal world model over the continuous b...
机译:由于噪声传感器或不完整的感知,代理商通常可以部分观察到真实环境。而且,它本质上具有连续的状态空间,代理必须为内部连续的信念空间中的每个点决定一个动作。因此,将这种类型的决策问题建模为具有连续观察和状态空间的部分可观察的马尔可夫决策过程(POMDP)十分方​​便。大多数POMDP方法(无论是近似方法还是精确方法)都假设已知基本的世界动力学或POMDP参数(例如过渡和观测概率)。但是,对于许多现实世界的环境来说,要获得这样的信息是非常困难的。我们假设仅了解代理的内部动态,例如执行器噪声,传感器套件的解释。利用这些内部动力学,我们的算法,即基于卡尔曼的有限状态控制器(KBFSC),在连续边界上构造了一个内部世界模型。

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