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attitude dynamics

Analysis of interplanetary solar sail trajectories with attitude dynamics

Analysis of interplanetary solar sail trajectories with attitude dynamics

... the attitude of the solar sail is changed instanta- neously into the desired ...new attitude dynamics model, we expand the spacecraft’s state vector using a quaternion-based three DOF attitude ...

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Attitude dynamics of classical dumbbell problem with solar radiation pressure

Attitude dynamics of classical dumbbell problem with solar radiation pressure

... The planar motion of the dumbbell system is described with respect to a Sun-centred inertial frame I : (X, Y ) in the case of the coupled orbit/attitude problem and relative to a rotating orbit frame O : (r, ν ), ...

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Coupled orbit and attitude dynamics of a reconfigurable spacecraft with solar radiation pressure

Coupled orbit and attitude dynamics of a reconfigurable spacecraft with solar radiation pressure

... dumbbell attitude can be changed in between the full range of equilibria, relative to the local ...and attitude dynamics by deriving constraints for the two lightness numbers, showing that without ...

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Global Stabilization of Attitude Dynamics: SDRE-based Control Designs

Global Stabilization of Attitude Dynamics: SDRE-based Control Designs

... characteristics of the “Full SDRE” controller while having global stability properties. Moreover, the designed control laws are closed-form and globally non-singular. Also, in the “SDRE+ISL+LYP” control law, the minimum ...

8

Attitude Dynamics of Spacecraft with Control by Relocatable Internal Position of Mass Center

Attitude Dynamics of Spacecraft with Control by Relocatable Internal Position of Mass Center

... the attitude dynamics of a spacecraft (SC) is considered under the control by the geometrical relocation of the internal position of the center of mass relatively the ...SC attitude dynamics ...

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Adaptive flault-tolerant control of spacecraft attitude dynamics with actuator failures

Adaptive flault-tolerant control of spacecraft attitude dynamics with actuator failures

... Conventional attitude controllers such as quaternion feedback control are tuned assuming that the system works perfectly where the parameters and constraints of the system are known [8, ...

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Coupled orbit-attitude dynamics of a captured asteroid during swing-bys

Coupled orbit-attitude dynamics of a captured asteroid during swing-bys

... Given the large mass and inertia of asteroids, and the usually irregular shape of the smallest bodies in the NEO family, which represent the best candidates for capture or TCO lifetime extension with current technology, ...

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Robust Controller Design for Attitude Dynamics Subjected to Time-Delayed State Measurements

Robust Controller Design for Attitude Dynamics Subjected to Time-Delayed State Measurements

... dynamic attitude stability based on quaternions [16], in addition to presenting easier lin- ear, rather than non-linear, conditions, we verify numerically that the proposed conditions represent a drastic reduction ...

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Recursive Gauss Newton based training algorithm for neural network modelling of an unmanned rotorcraft dynamics

Recursive Gauss Newton based training algorithm for neural network modelling of an unmanned rotorcraft dynamics

... This paper presents a recursive Gauss-Newton based training algorithm to model the attitude dynamics of a small scale rotorcraft based unmanned aerial system using the neural network NN [r] ...

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Simplified Filtering Estimator for Spacecraft Attitude Determination from Phase Information of GPS Signals

Simplified Filtering Estimator for Spacecraft Attitude Determination from Phase Information of GPS Signals

... It is supposed that a rigid body is moving in inertial coordinates. The motion can be described by the translation motion of its centre of mass, together with a rotation motion of the body about some axis through its ...

6

Satisfaction or Attitude is Matter? The Fully Mediating Effect of Attitude

Satisfaction or Attitude is Matter? The Fully Mediating Effect of Attitude

... affective attitude. Ajzen (1988) claimed affective attitude was an accumulating affect which resulted from satisfaction and lead to continuous ...affective attitude replaces satisfaction to predict ...

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MEASURING ATTITUDE TOWARDS COMPUTER OF SECONDARY SCHOOL TEACHERS- AFFECTIVE DOMAIN Lata S. More (Surwade), Ph. D.

MEASURING ATTITUDE TOWARDS COMPUTER OF SECONDARY SCHOOL TEACHERS- AFFECTIVE DOMAIN Lata S. More (Surwade), Ph. D.

... computer attitude, cognitive computer attitude and affective computer attitude as per obtained t-values are not significant at ...computer attitude, Cognitive computer attitude and ...

5

Knowledge, attitude, practice and associated factors towards spectacles use among adults in Gondar town, northwest Ethiopia

Knowledge, attitude, practice and associated factors towards spectacles use among adults in Gondar town, northwest Ethiopia

... Result: A total of 780 study subjects participated in this study. The male to female ratio was 1:2.4. The median age of the participants was 29 (±22 IQR) with a range of 18 – 86 years. About fifty percent of participants ...

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A game-theoretic approach to dynamic demand response management

A game-theoretic approach to dynamic demand response management

... a relaxation method to minimize the approximation error. Further results are obtained for a scalar microscopic dynamics, for which we have established performance bounds, and analyzed stochastic stability of both ...

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A POSITIVE ATTITUDE PROMPTS SUCCESS

A POSITIVE ATTITUDE PROMPTS SUCCESS

... positive attitude creates the climate for success & sets the stage for potential winners to actually ...necessary attitude that is required for getting the results, one wants and ...of attitude ...

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COMPARISON OF THE KNOWLEDGE, ATTITUDE AND PERFORMANCE OF HOSPITAL MANAGERS IN BUSHEHR PROVINCE ABOUT NOSOCOMIAL INFECTIONS

COMPARISON OF THE KNOWLEDGE, ATTITUDE AND PERFORMANCE OF HOSPITAL MANAGERS IN BUSHEHR PROVINCE ABOUT NOSOCOMIAL INFECTIONS

... awareness, attitude and performance) that have been used in some of the regions in the ...of attitude of the managers toward observing health of hand in nosocomial infection that has been ranked in 5 point ...

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What’s with the Attitude? Identifying Sentences with Attitude in Online Discussions

What’s with the Attitude? Identifying Sentences with Attitude in Online Discussions

... We had a closer look at the results to find out what are the reasons behind incorrect predictions. We found two main reasons. First, errors in predicting word polarity usually propagates and results in er- rors in ...

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Internal medicine specialists' attitudes towards working part time: a comparison between 1996 and 2004

Internal medicine specialists' attitudes towards working part time: a comparison between 1996 and 2004

... the attitude towards working part- time changed to a small extent between 1996 and 2004: specialists in internal medicine in 2004 viewed part-time work slightly more positively than specialists in internal ...

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CONSTRUCTION AND STANDARDIZATION OF ATTITUDE SCALE TO MEASURE THE ATTITUDE OF TRIBAL FARMERS TOWARDS SEED BANKING

CONSTRUCTION AND STANDARDIZATION OF ATTITUDE SCALE TO MEASURE THE ATTITUDE OF TRIBAL FARMERS TOWARDS SEED BANKING

... The reliability of scale was worked out by using test-retest method. The final selected 25 statements were given to the group of 30 farmers and these respondents were asked to give their response on three point ...

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Relationships between the Advertising Appeal and Behavioral Intention: The Mediating role of the Attitude towards Advertising Appeal

Relationships between the Advertising Appeal and Behavioral Intention: The Mediating role of the Attitude towards Advertising Appeal

... of attitude and behavioral intention key concepts, the Theory of Planned Behavior (TPB) proposed by the Ajzen and his contemporaries discussed that the relationship of attitude and behavioral intention ...

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