Journal of Shanghai Jiaotong University (Science)
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Numerical Simulation Method of Scoliosis Orthosis Considering Muscle Factor
Journal of Shanghai Jiaotong University (Science) - Tập 28 - Trang 486-494 - 2022
Adolescent idiopathic scoliosis seriously affects the physical and mental health of adolescents. In the past, the research on therapeutic orthosis ignored the influence of muscle factors. Aimed at this problem, based on the principle of reverse engineering, through the spine computed tomography data model of three-dimensional reconstruction, muscle forces around the spine are imported into the spi......
IoT System for Intelligent Firefighting in the Electric Power Industry
Journal of Shanghai Jiaotong University (Science) - Tập 26 - Trang 686-689 - 2021
Traditional fire safety management in the electric power industry has significant drawbacks, including a lack of data, difficulty of maintenance, lack of supervision, and lack of interaction. This type of management lags behind current advanced safety management concepts such as “gate advancement” and “full process management”, and it fails to meet the needs of future energy internet construction ......
Safety Evaluation Method for Long-Term Operation of Metro Based on Combination Weighting Method
Journal of Shanghai Jiaotong University (Science) - Tập 25 - Trang 700-705 - 2020
Metros are critical infrastructure in big cities and evaluation of their safe operation is of increasing importance. To make a reasonable safety evaluation for the metro during operation, this paper establishes a rational safety evaluation model based on long-term monitoring data of Shanghai Metro Line 2. Four evaluation indicators, i.e., absolute settlement, relative curvature, deformation rate a......
Research on high power inter-channel crosstalk attack in optical networks
Journal of Shanghai Jiaotong University (Science) - Tập 20 - Trang 7-13 - 2015
While all-optical networks become more and more popular as the basis of the next generation Internet (NGI) infrastructure, such networks raise many critical security issues. High power inter-channel crosstalk attack is one of the security issues which have negative effect on information security in optical networks. Optical fiber in optical networks has some nonlinear characteristics, such as self......
Semantic-based knowledge categorization and organization for product design enterprises
Journal of Shanghai Jiaotong University (Science) - Tập 20 - Trang 106-112 - 2015
Former knowledge engineering research aimed at boosting automatic reasoning. However recent knowledge management research focused on promoting the knowledge sharing and reusing among the people. Because of the different aims between the two directions, former knowledge representation schemata, such as rule based representation, frame from knowledge engineering research does not fit to the current ......
Hierarchy-Based Adaptive Generalized Predictive Control for Aerial Grasping of a Quadrotor Manipulator
Journal of Shanghai Jiaotong University (Science) - Tập 24 - Trang 451-458 - 2019
In this paper, an adaptive generalized predictive control (GPC) based on hierarchical control strategy is designed for a quadrotor with a robotic arm. For this nonlinear and coupled system, a two-layer control structure is adopted to achieve more precise trajectory tracking and keep the tracking performance after aerial grasping. The inner-layer controller is a proportional-derivative (PD) control......
Dynamic analysis of the biped ice-skater robot of passive wheel type
Journal of Shanghai Jiaotong University (Science) - Tập 13 - Trang 122-128 - 2008
A new passive wheel type of biped ice-skater robot (BISR) subjected to nonholonomic constraints was presented on the basis of ice-skating principle. Its motion principle and construction were discussed. After the model was simplified and the coordinate systems were established, the motion differential equations of the robot were obtained with the generalized Lagrange-Maggi equation when the nonhol......
Soft-sensing method with online correction based on semi-supervised learning
Journal of Shanghai Jiaotong University (Science) - Tập 20 - Trang 171-176 - 2015
Soft sensing has been widely used in chemical industry to build an online monitor of the variables which are unmeasurable online or measurable online but with a high cost. One inherent difficulty is insufficiency of the training samples because the labeled data are limited. Besides, the traditional soft-sensing structure has no online correction mechanism. The forecasting result may be incorrect i......
Distribution system optimization planning based on plant growth simulation algorithm
Journal of Shanghai Jiaotong University (Science) - Tập 13 - Trang 462-467 - 2008
An approach for the integrated optimization of the construction/expansion capacity of high-voltage/medium-voltage (HV/MV) substations and the configuration of MV radial distribution network was presented using plant growth simulation algorithm (PGSA). In the optimization process, fixed costs correspondent to the investment in lines and substations and the variable costs associated to the operation......
Research of consistency maintenance mechanism in real-time collaborative multi-view business modeling
Journal of Shanghai Jiaotong University (Science) - Tập 20 - Trang 86-92 - 2015
Real-time collaborative editing (RTCE) can support a group of people collaboratively work from distributed locations at the same time. However, consistency maintenance is one key challenge when different types of conflicts happen. Therefore a common synchronous mechanism is proposed to support consistency maintenance in the process of multi-view business modeling. Based on operation analysis on di......
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