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Attitude control system

Real time fault tolerant nonlinear attitude control system for nanosatellite applications

Real time fault tolerant nonlinear attitude control system for nanosatellite applications

... tolerant attitude controller for next generation nanosatel- ...tolerant attitude control algorithms in this study are based on first order and high order sliding mode control theory as well as ...

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The Design on Attitude Control System for the car falling into the water

The Design on Attitude Control System for the car falling into the water

... Abstract: With the widespread use of automobiles, people's demand for the safety performance of vehicles is also increasing. Nowadays, all kinds of safety technology and equipment are widely used in automobile, such as ...

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Hardware-in-Loop-Simulator for InnoSAT Attitude Control System

Hardware-in-Loop-Simulator for InnoSAT Attitude Control System

... certain attitude while orbiting in order to allow precise pointing of the antenna toward the ...verifying attitude control concepts for Innovative Satellite (InnoSAT) ...the control algorithm ...

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Feasibility Study of Switching Function Approaches in Sliding Mode control for a spacecraft’s attitude control system

Feasibility Study of Switching Function Approaches in Sliding Mode control for a spacecraft’s attitude control system

... SMC control law with a focus on the switching function (SFD) characteristics and capability at two different points (critical gains and proper gains) for a spacecraft’s attitude ...the control inputs ...

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An efficient method to control the amplitude of the limit cycle in satellite attitude control system

An efficient method to control the amplitude of the limit cycle in satellite attitude control system

... to control the satellite attitude with a predetermined accuracy and minimum fuel ...the control command and desired accuracy, an optimization problem is solved according to the constraints of the ...

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1 3 9a Hybrid Simulation of Space Vehicle Attitude Control System 1965 pdf

1 3 9a Hybrid Simulation of Space Vehicle Attitude Control System 1965 pdf

... As long as the ramp is below the sampled value of the error, a constant voltage, f*, representing "jet on'~ is held in the on position; when the ramp exceeds the error.. the "jet" is tur[r] ...

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Using Vicon system and optical method to evaluate inertial and magnetic system accuracy

Using Vicon system and optical method to evaluate inertial and magnetic system accuracy

... of attitude control system. Sensors found in attitude control system are accelerometers, magnetometers and ...Movea’s system is based on low cost sensors, number ...

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Magnetic attitude control for nano-satellites

Magnetic attitude control for nano-satellites

... Attitude Control System (ACS) is an important subsystem in a satellite which functions to stabilize the satellite, orients the satellite in desired directions as well as sensing the orientation of ...

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Study on Attitude Control Method for Zero-Doppler Steering in Space Borne SAR System

Study on Attitude Control Method for Zero-Doppler Steering in Space Borne SAR System

... (SAR) system, in order to alleviate the complexity of the imaging algorithm and to improve the accuracy of the applications of SAR images, attitude steering is required to reduce the Doppler centroid to 0 ...

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Developments in Angular Momentum Exchange

Developments in Angular Momentum Exchange

... the attitude control system of the reentry warhead, so to achieve the attitude stability and attitude maneuver of highly maneuvering reentry ...the attitude dynamics model of the ...

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Attitude Control of a Flexible Satellite by Using Robust Control Design Methods

Attitude Control of a Flexible Satellite by Using Robust Control Design Methods

... satellites’ attitude control system. So, for attitude control of these satellites, those methods should be used which are robust to uncertainty of the plant’s model and can reject the ...

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Adaptive Quaternion Attitude Control of Aerodynamic Flight Control Vehicles

Adaptive Quaternion Attitude Control of Aerodynamic Flight Control Vehicles

... or control energy [8]. A derivative control method ], which globally stabilizes the dynamic in finite ...nonlinear control approach is proposed for spacecraft ], which is designed such gain from the ...

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Three Axis Attitude Control of RASAT by Magnetic Torquers

Three Axis Attitude Control of RASAT by Magnetic Torquers

... magnetic attitude control has been largely investigated, but the focus has generally been the control of satellites meeting conditions of gravity gradient stability by either inertia parameters or ...

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Tabletop Testbed for Attitude Determination and Control of Nanosatellites

Tabletop Testbed for Attitude Determination and Control of Nanosatellites

... the distance between the center of mass and the center of rotation of the air bearing table... Oscillation decay in the roll axis.[r] ...

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Design of two-wheel self-balancing vehicle based on visual identification

Design of two-wheel self-balancing vehicle based on visual identification

... The system perceives the external environment, realizing feedback ...Accurate attitude infor- mation must be provided to achieve balance control ...balance control of system. The ...

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Rapid attitude maneuver of the space tether net capture system using active disturbance rejection control

Rapid attitude maneuver of the space tether net capture system using active disturbance rejection control

... capture system is a spacecraft system with a mounting tether net for captur- ing ...the system shows strong nonlin- earity, which makes it difficult to achieve the desired control performance ...

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A novel adaptive unscented kalman filter attitude estimation and control system for a 3U nanosatellite

A novel adaptive unscented kalman filter attitude estimation and control system for a 3U nanosatellite

... errors, control torques and magnetic dipole results and AUKF estimation results of the system with three magnetic rods as actuators in 6 orbits of ...magnetic control law. We also started a nadir ...

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Attitude Estimation and Control of VTOL UAVs

Attitude Estimation and Control of VTOL UAVs

... the control laws, we first propose a new attitude extraction algorithm (which extracts the desired attitude corresponding to a desired translational accel- eration) in terms of the unit-quaternion ...

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Dynamic Modeling and Nonlinear Control of Spherical wheeled Robot

Dynamic Modeling and Nonlinear Control of Spherical wheeled Robot

... Self-balancing robot [1] developed as early as 1986, originated in Japan, the initial idea is to design a machine that can stand automatically. In 1986, Professor K.Y. of Nippon Telekom University conceived an automatic ...

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Attitude control of apricot during orientation transmission

Attitude control of apricot during orientation transmission

... fruit’s attitude during orientation transmission shows that when a small disturbance was applied to the stable system, the system gradually got back to a stable state after the ...self-adaptive ...

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