Abstract: An associative neural network is used with chaotic neural models interconnected through a conventional auto associative matrix of synaptic weights. Dynamic associative memory and essential characteristics of chaotic neural network is dealt with:nonperiodic chaos, chaotic attractors, and sensitivity to starting condition. And a spatiotemporal system is modeled by a neural network. Feedback pinning are used to control chaos of the system by studying a certain reference sample, that is beneficial to retrieving dynamic memory. In this paper, dynamic associative memory and retrieval for faults of three phase asynchronous motor with broken bars is simulated by chaotic neural network and its control.