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For the static linear wireless sensor networks deployed outside, it can be ensured that the initial energy of the node deployed is the same, but the distance between nodes cannot be guaranteed. In order to prolong the networks lifetime, this paper presents the optimization strategy of linear random wireless sensor networks based on mobile Sink. Firstly, the node energy consumption model of linear...
This paper presents a new image-based visual servoing (IBVS) controller named augmented IBVS for a 6-DOF manipulator. The main idea of this controller is that it produces acceleration as the controlling command. A proportional-derivative controller is developed to provide the robot with the controlling command. This controller can achieve a smoother and more linear feature trajectory in the image...
This paper presents a new imaged based visual servoing controller called Augmented Imaged Based Visual Servoing (AIBVS) for a 6DOF manipulator. A proportional derivative (PD) controller is developed considering acceleration as the controlling command of the robot. This controller can achieve smooth and linear feature trajectory in image space and decrease the risk of features leaving the field of...
This paper analyzed ⋀ item in the gravitational field equation of Einstein from the perspective of the universe symmetry, pointed out the ⋀ term exists is the ether existence. In the transform of Euclid, allows the physical information superluminal. Ether is light and superluminal information carrier.
To obtain probability distribution of random life of a package such as that shown in prototyping testing, some parameters involved in the finite element and life prediction analyses of a certain type of wafer-level chip-scale package (WLCSP) are considered random variables in the present paper. First, the solder-bump size of the package is modeled as a random variable in consideration of real manufacturing...
High inventory level can certainly increase the meeting of customer demands, but it also leads that the cost is not the lowest one. This means that meeting customer demands and having the lowest cost may not always be consistent. Specially, if storage capacity is limited, the relationship between the two will become more complex to collaborate, and there will be more problems to solve, such as whether...
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