scholarly journals CGC/saturation approach: A new impact-parameter dependent model

2016 ◽  
Vol 948 ◽  
pp. 1-18 ◽  
Author(s):  
Carlos Contreras ◽  
Eugene Levin ◽  
Irina Potashnikova
Keyword(s):  
Impact Parameter ◽  
Dependent Model ◽  
Parameter Dependent

scholarly journals CGC/saturation approach: an impact-parameter dependent model for diffraction production in DIS

2018 ◽  
Vol 78 (6) ◽  
Author(s):  
Carlos Contreras ◽  
Eugene Levin ◽  
Rodrigo Meneses ◽  
Irina Potashnikova
Keyword(s):  
Impact Parameter ◽  
Dependent Model ◽  
Parameter Dependent

scholarly journals Analysis of combined HERA data in the impact-parameter dependent saturation model

2013 ◽  
Vol 87 (3) ◽  
Author(s):  
Amir H. Rezaeian ◽  
Marat Siddikov ◽  
Merijn Van de Klundert ◽  
Raju Venugopalan
Keyword(s):  
Impact Parameter ◽  
Hera Data ◽  
Saturation Model ◽  
Parameter Dependent ◽  
The Impact

An Affine Parameter Dependent Controller of an Helicopter for Various Forward Velocity Conditions

2015 ◽  
Vol 789-790 ◽  
pp. 1067-1072
Author(s):  
Ismail Hakki Şahin ◽  
Coşku Kasnakoğlu
Keyword(s):  
Linear Models ◽  
Online Measurement ◽  
Linear Parameter ◽  
Forward Flight ◽  
H Infinity ◽  
Reference Tracking ◽  
Affine Parameter ◽  
Dependent Model ◽  
Single Controller ◽  
Parameter Dependent

In this paper, we address the design of a controller that accomplishes stabilization and reference tracking at various flight conditions by using linear helicopter models. The suggested controller is in the form of an H-infinity gain-scheduler, and is used for stabilization and reference tracking for the 4 axis (heave, pitch, roll and yaw) autopilot. Based on the linear models given for the Puma helicopter, an approximate affine parameter dependent model has been built. Then, a linear parameter dependent controller is synthesized which stabilizes the affine parameter dependent helicopter model. By doing so, a single controller achieves stabilization and reference tracking of a family of linear models by scheduling the controller gains based on the online measurement of the scheduling parameter, which is the forward velocity. Moreover, the affine parameter dependent controller is fitted into the linear models. It is observed that this single parameter dependent controller successfully stabilizes a family of linear helicopter model at different forward flight conditions.

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