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Multidimensional arrays storing multidimensional data in MOLAP are usually very sparse. They also suffer from the problem that the time consumed in sequential access to array elements heavily depends on the dimension along which the elements are accessed. This problem of ldquodimension dependencyrdquo would be alleviated by dividing the whole array into the set of smaller hypercube shaped subarrays...
This paper proposes a novel human interface that can be used to operate domestic appliances and game machines. In this system, finger tapping movement is measured by magnetic sensors, and is evaluated by computing five features, such as the finger tapping interval, on a real-time basis. These factors are then discriminated through a probabilistic neural network and allocated as machine operation commands...
An omni-directional moving platform with four wheels is developed and its controller is designed for tracking desired trajectories. The four wheels of the platform are torque controlled by DC servo motors independently. The generalized coordinate of the platform is three, therefore the system has one torque redundancy and one odometry sensor redundancy which can be used for improving the control performance...
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