When the permanent magnet linear synchronous motor servo system works in field of high speed and precision, dynamic processes current velocity are relatively close to each other time scale. The nonlinear coupling load disturbance key problems which affect tracking accuracy. In this paper, model is established decoupled by state feedback linearization. independent subsystem derived. order reduce dependence linearization control on improve robustness system, a sliding mode controller designed....

This paper presents an approach of automatically generating abstract paintings Malevich Style. Through parameterized program and flexible production processes, we successfully generated images mimicking the styles artist Kazimir Malevich, having classified different his paintings. The results using basic components in Malevich's style based on art theory are shown reason why some colors chosen also discussed.

Anthropometric body dimensions are increasingly recognized as phenotypic markers of obesity risk. Available automated laser measurement systems provide accurate anthropometric but costly. The study objective was to develop a low‐cost system that rapidly acquires digital morphology data can be processed into estimates. core 3D (KX16; TC2, Cary, NC) includes 16 Kinect (infrared projector and monochrome CMOS camera sensor) scanners positioned around the subject; we developed software matches...

In the dual-motor servo system driven by permanent magnet linear synchronous motor, a control strategy based on coupling parameter identification algorithm and feedback linearization decoupling controller is proposed to overcome influence of mechanical performance system. Firstly, mathematical model motion with dynamics established. Secondly, novel structure disturbance observer designed. Additionally, input excitation adopts relatively smooth sinusoidal position velocity signals avoid...

Visualizing and exploring a hierarchical structure on smartphone screen is challenging. On larger screens of PCs laptops these types structures are often shown in tabular view. Due to the width restriction, view not feasible smaller screens. This paper presents visualization technique that displays multiple levels single for small allows users explore rapidly through touch input. The makes full use available space distributes fairly among nodes. system selection display relevant information...

In this paper, we propose a novel binary-based cost computation and aggregation approach for stereo matching problem. The volume is constructed through bitwise operations on series of binary strings. Then combined with traditional winner-take-all strategy, resulting in new local algorithm called (BSM). Since core BSM based integer computations, it has higher computational efficiency than previous methods. Experimental results Middlebury benchmark show that comparable performance...

Nowadays, NFTs are increasingly emerging into public view. It is necessary to consider NFT as a sustainable trading model for media arts with audience interaction the symbiosis community. This article presents design architecture of Multimodal generative patterns triggered by sensors. By designing various 3D mesh attributes, such eye and fur colors robin bird, authors generate series different artworks. We also demonstrate our experience system together rarity scoring that could be used...

In order to improve the contour tracking performance of direct-drive H-type platform, a control strategy combining ideal integral error dynamic (IIED) position controller with variable gain cross-coupling compensator is proposed.IIED used linear motor servo system.A new real-time estimation model established based on relationship between and error, effect synchronization eliminated by coordinate correction further accuracy. Combined improved cross coupling structure, designed. Simulation...

The high robustness of the permanent magnet linear synchronous motor (PMLSM) servo system is key to achieve high-speed and high-precision control direct drive motion. In this paper, a high-order fast nonsingular terminal sliding mode strategy for based on double disturbance observers (DDO) proposed. A dual observer designed observe mismatched /matched disturbances ensure that PMLSM robust mismatched/matched disturbances. addition, controller (HFNTSMC) enhance observation errors, integrate...

The direct-drive servo system of H-type platform is easily affected by load disturbance and mechanical coupling. In this paper, a discrete-time integral sliding mode position control method based on smooth saturation function proposed. First, the mathematical model with coupling characteristics established speed mover as state variables. Then, controller designed to reduce influence external disturbance, improve tracking accuracy system. At same time, in order weaken chattering caused sign...

Aiming at the problem that permanent magnet linear synchronous motor servo system is easily affected by uncertainties such as parameter perturbation, friction and load disturbance, an adaptive nonlinear speed tracking control strategy based on immersion invariance theory proposed in this paper. In strategy, first-order dynamic taken target mode. By establishing mapping relationship between kinematic equation system, a controller suitable for designed using theory. At same time, law...

In order to achieve better synchronization performance for H-type platform servo systems during motion, an adaptive nonlinear second-order sliding mode synchronous control method with zero error constraint is proposed in this paper. The reason and mechanism of unsynchronized movement are analyzed. A thrust allocation algorithm based on dynamics designed by using the balance equation under suppress rotation crossbeam theoretically. To minimize impact external disturbances system, system...