A new current control scheme for a 3-level inverter using neural networks

2003 ◽  
Author(s):  
J.Y. Choi ◽  
I. Choy ◽  
J.H. Song ◽  
S.C. Lee ◽  
G.S. Kim
Keyword(s):  
Neural Networks ◽  
Current Control ◽  
Control Scheme

Design of Electric Control System of Stainless Steel Composite Plate

2013 ◽  
Vol 706-708 ◽  
pp. 716-719
Author(s):  
Jian Chu ◽  
Gang Wang
Keyword(s):  
Stainless Steel ◽  
Control System ◽  
Composite Plate ◽  
Current Control ◽  
Equipment Operation ◽  
Electric Control ◽  
Control Scheme ◽  
Steel Composite ◽  
Machine Interface ◽  
Electrical Components

This paper mainly introduced to the PLC as the core of stainless steel composite plate electric control part of the design. The system uses the converter +PLC+ man-machine interface, as the major part of roll welding machine control, because of the use of the PLC, so that the system can improve the automatic level, electrical components is reduced, reduce failure rate, improve the reliability of equipment operation. Based on the current control and speed control, so that the welding quality and welding speed has been greatly improved. In the article, mainly from the production process, and the control system hardware and software design, and the control scheme to introduce several aspects.

A Light Weight Compliant Hand Mechanism With High Degrees of Freedom

2005 ◽  
Vol 127 (6) ◽  
pp. 934-945 ◽  
Author(s):  
Jason Potratz ◽  
Jingzhou Yang ◽  
Karim Abdel-Malek ◽  
Esteban Peña Pitarch ◽  
Nicole Grosland
Keyword(s):  
Degrees Of Freedom ◽  
Static Load ◽  
Current Control ◽  
Deformation Analysis ◽  
Dimensional Model ◽  
3 Dimensional ◽  
Wrist Flexor ◽  
Compression Spring ◽  
Extensor Muscles ◽  
Control Scheme

This paper presents the design and prototyping of an inherently compliant lightweight hand mechanism. The hand mechanism itself has 15 degrees of freedom and five fingers. Although the degrees of freedom in each finger are coupled, reducing the number of independent degrees of freedom to 5, the 15 degrees of freedom of the hand could potentially be individually actuated. Each joint consists of a novel flexing mechanism that is based on the loading of a compression spring in the axial and transverse direction via a cable and conduit system. Currently, a bench top version of the prototype is being developed; the three joints of each finger are coupled together to simplify the control system. The current control scheme under investigation simulates a control scheme where myoelectric signals in the wrist flexor and extensor muscles are converted in to x and y coordinates on a control scheme chart. Static load-deformation analysis of finger segments is studied based on a 3-dimensional model without taking the stiffener into account, and the experiment validates the simulation.

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