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Suspension is one of the important parts of automobile which has a great influence on the comfort of riding, the stability of handling and the control of vehicle's posture. With the simple two degree of freedom of a quarter of the simplified model of automotive suspension, we use the fixed-gain control and the adaptive control to design the controller. Making use of the MATLAB simulation, the scientific...
Sand filters are gradually being adapted for use in the water treatment. The hydraulic performance of the filter bed directly affects the pollutant removal performance. Tracer experiments and residence time distribution (RTD) theory were used to characterize the flow in a special upflow sand bed filter. The detailed flow pattern of the reactor was obtained from computational fluid dynamics (CFD) simulation...
The limited payload and on-board computation constraints of Micro Aerial Vehicles (MAVs) make sensor configuration very challenging for autonomous navigation and 3D mapping. This paper introduces a catadioptric single-camera omni-stereo vision system that uses a pair of custom-designed mirrors (in a folded configuration) satisfying the single view point (SVP) property. The system is compact and lightweight,...
Stereo system plays an important role in the navigation of MAVs. In this paper, we design a single-camera catadioptric omnistereo system for MAV, which consists of one hyperboloidal mirror, one hyperboloidal-planar combined mirror, and one conventional camera. System parameters are optimized based on the analysis of constraints and each parameter's influence on performance. Projective model of this...
A 1/7 scale space model experiment of three spans and three frames which are from SRC frame-RC shear wall hybrid structure main building in large thermal power plants has been carried out. The natural vibration frequencies and mode shapes of experimental model obtained through hammering method, and dynamic characters of prototype structure are acquired according to similarity relationships. The finite...
A novel three-dimensional human body modeling method on laser technology, using the CCD camera, based on the theory of aerial photography surveying and 36 characteristic measuring points, is reported here. We introduce the mode integration of human body and the principle of human body feature identifying, also establish three-dimensional modeling system.
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