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A novel realtime look-ahead velocity control strategy, which was based on Turbo PMAC for parallel kinematics mechanism, was proposed to avoid gouging and mechanical vibration that caused by kinematics calculation failure in virtual axis machine tool machining. In terms of configuration of look-ahead control strategy, the basic is acceleration and deceleration algorithm. Then according to the ultiformity...
Two-Threshold Sequential Algorithm Scheme (TTSAS) is a straightforward clustering algorithm, and do not a priori presume a fixed number of clusters. We show how to accelerate it dramatically, while still always computing exactly the same result as the standard algorithm. The accelerated algorithm TI_TTSAS avoids unnecessary distance calculations by applying the triangle inequality. Experiments show...
The static stability feature of missile airframe due to varied parameter, The characteristics and benefit of applying relaxed static stability technology on missile flight performance were analyzed. The technologies transforming time-domain and frequency-domain mixed performance indexes into desired poles, as well as state feedback into output feedback were derived respectively. In view of different...
In this paper, the operating principle of a capacitive acceleration sensor is analyzed in detail. Based on the principle, a capacitive acceleration sensor is designed which can convert the inertia force for linear acceleration to the distortion of elasticity. The distortion is measured through a strain meter and detection circuit. The schematic diagram of signal conditioning circuit is analyzed. The...
Relative coordination has predominant advantage in uncertain environment path planning problem because it denies much of redundant information of the dynamic environment while avoids the rotation transformation which is a big burden in the traditional methods. Based on relative coordination, this paper proposes a trimmed Ant Colony Optimization (ACO) algorithm for three dimensional trajectory generation,...
In the traditional positioning system of the overhead crane, the method used is low positioning accuracy and ineffectiveness. In this paper, a novel positioning system is presented, which is a new positioning control system using laser range finders and bar code positioning system (BPS) to locate an overhead crane. The actual application shows that novel positioning control system is more than 200...
A new model promotion and transporting robot, which is double hydraulic drive and seven linkage structure, has been designed. Its virtual prototype has been established. The inverse kinematic is solved based on the target trajectory. Thus the hydraulic cylinders' velocity and acceleration is obtained. The stability optimization goal is set. Through the sensitivity analysis based on the design variables,...
Dose uniformity is one of the important factors in evaluation of microfeeding of fine powders. This paper describes a method for metering and dispensing the fine metal powders. The principle of the powder dispensing of digitalization is distinct from ultrasonic microfeeding, and it not only achieved continuous feeding, but also guaranteed dose uniformity. To avoid the relative movement and with a...
This paper deals with one design of micro robot soccer control system based on appropriative chip. Soccer robot vehicle is the execution part of robot soccer game. In this paper describes the control system of LM629 based soccer robot vehicle is described. Both the hard ware module of system and the soft ware design are provided.
In order to avoid the engine misfire, the misfire process of diesel engine was discussed with the method of crankshaft speed fluctuations. Based on the information synergetic theory, the misfire rate forecasting model of the engine was established and the engine misfire malfunction was inspected. The misfire diagnostic strategy of the diesel engine was put forward by the parameters on the rotate speed...
In order to search after a new way for the propulsion system of the tracked vehicle, a novel type of power-split hybrid propulsion system is proposed. Its configuration and working mode are set down, and then its power distribution and control strategy are also analyzed. A collaborative simulation model is built to simulate the system, based on interface technology between AMESim Software and MATLAB/Simulink...
In order to shorten the design cycle of FOPS and improve the pass rate of FOPS laboratory destructive tests, nonlinear finite element methods of elastic-plastic large displacement were presented to simulate the dynamic displacement, velocity and acceleration of drop hammer during impact process, and the dynamic changing law of these parameters during the whole collision were analyzed. At the same...
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