Spacecraft attitude control is the process of controlling the orientation of a spacecraft (vehicle or satellite) with respect to an inertial frame of...
31 KB (4,073 words) - 16:22, 21 November 2024
A reaction control system (RCS) is a spacecraft system that uses thrusters to provide attitude control and translation. Alternatively, reaction wheels...
9 KB (991 words) - 17:30, 30 August 2024
placement Spacecraft attitude control, control of a spacecraft's attitude Flight dynamics (fixed-wing aircraft), the description and control of an aircraft's...
3 KB (370 words) - 23:06, 14 September 2024
Reaction wheel (redirect from Reaction control wheel)
(translational force). Reaction wheels are used primarily by spacecraft for three-axis attitude control, and do not require rockets or external applicators of...
17 KB (1,897 words) - 01:40, 24 October 2024
A control moment gyroscope (CMG) is an attitude control device generally used in spacecraft attitude control systems. A CMG consists of a spinning rotor...
32 KB (4,353 words) - 04:19, 20 July 2024
The Orbit Attitude and Maneuvering System (OAMS) was a reaction control system used in Earth orbit by the Project Gemini spacecraft. It provided both...
4 KB (488 words) - 23:22, 30 April 2024
Vernier thruster (redirect from Attitude jet)
spacecraft requires a wide range of different thrust levels for attitude or velocity control, as for maneuvering during docking with other spacecraft...
6 KB (694 words) - 07:38, 10 February 2024
Spin stabilization (category Spacecraft attitude control)
spacecraft where attitude control is required without the requirement for on-board 3-axis propulsion or mechanisms, and sensors for attitude control and...
6 KB (682 words) - 05:54, 31 December 2023
Magnetorquer (category Spacecraft attitude control)
in a spacecraft's attitude by small amounts. Over time, active control can produce fast spinning even on Earth, but for accurate attitude control and stabilization...
10 KB (1,198 words) - 00:53, 2 October 2024
In spacecraft design, the function of the thermal control system (TCS) is to keep all the spacecraft's component systems within acceptable temperature...
20 KB (2,669 words) - 04:37, 19 September 2024
Star tracker (category Spacecraft attitude control)
a star tracker on a satellite or spacecraft may be used to determine the orientation (or attitude) of the spacecraft with respect to the stars. In order...
10 KB (1,239 words) - 19:18, 14 November 2024
Triad method (category Spacecraft attitude control)
TRIAD method is the earliest published algorithm for determining spacecraft attitude, which was first introduced by Harold Black in 1964. Given the knowledge...
8 KB (963 words) - 15:15, 21 November 2024
nonlinear control problems, exploring unknown and often unexpected actuation mechanisms. Example applications include: spacecraft attitude control, thermal...
6 KB (676 words) - 08:34, 29 October 2024
Sun sensor (category Spacecraft attitude control)
navigational instrument used by spacecraft to detect the position of the Sun. Sun sensors are used for attitude control, solar array pointing, gyro updating...
4 KB (311 words) - 12:19, 14 November 2024
Ring laser gyroscope (category Spacecraft attitude control)
navigation systems on military aircraft, commercial airliners, ships, and spacecraft. These hybrid INS/GPS units have replaced their mechanical counterparts...
12 KB (1,423 words) - 23:38, 21 October 2024
Spacecraft propulsion is any method used to accelerate spacecraft and artificial satellites. In-space propulsion exclusively deals with propulsion systems...
91 KB (8,213 words) - 01:55, 28 September 2024
the on-board equipment, Control theory for the design of the attitude and orbit control subsystem, which points the spacecraft correctly, and maintains...
18 KB (2,164 words) - 15:28, 21 November 2024
Diffractive solar sail (category Spacecraft attitude control)
design and fabrication (particularly of gratings), and optoelectronic control. In 2019 a diffractive solar sail project from the Rochester Institute...
6 KB (570 words) - 18:59, 21 April 2024
Solar sail (category Spacecraft attitude control)
by centrifugal forces as it rotated. The spacecraft's attitude and direction were to be completely controlled by changing the angle of the blades in various...
98 KB (11,565 words) - 11:49, 2 November 2024
fuel. Spacecraft attitude control and orbital maneuvering thrusters are almost universally pressure-fed designs. Examples include the Reaction Control (RCS)...
6 KB (547 words) - 09:20, 27 September 2024
also include a life support system for the crew. Attitude control A spacecraft needs an attitude control subsystem to be correctly oriented in space and...
49 KB (5,536 words) - 10:40, 2 November 2024
Gravity-gradient stabilization (category Spacecraft attitude control)
exploits the Earth's gravitational field and tidal forces to keep the spacecraft aligned along the desired orientation. The gravity of the Earth decreases...
5 KB (549 words) - 01:09, 29 April 2024
The spacecraft measured 6.4 meters tall and 4.6 meters in diameter. Overall, the spacecraft weighed 3,445 kilograms. The spacecraft's attitude control (orientation)...
50 KB (4,782 words) - 18:08, 5 November 2024
Quaternion estimator algorithm (category Spacecraft attitude control)
Landis; Cheng, Yang (2007). "Survey of nonlinear attitude estimation methods". Journal of Guidance, Control, and Dynamics. 30 (1): 12–28. Bibcode:2007JGCD...
12 KB (1,960 words) - 03:24, 22 July 2024
period. The spacecraft is spin-stabilized at two different rates (5 and 0.2 rpm). Hydrazine thrusters are used for attitude and velocity control; star and...
9 KB (418 words) - 03:53, 30 July 2024
Rocketdyne LR-101 (category Spacecraft attitude control)
rockets used two LR-101 secondary engines to provide yaw, pitch and roll control during their ascent to space. The pair of LR-101 vernier thrusters would...
7 KB (531 words) - 15:58, 18 October 2024
Rate gyro (category Spacecraft attitude control)
movement. Rate gyros are used in rate integrating gyroscopes, and in attitude control systems for vehicles, and in combination with other sensors to make...
1 KB (162 words) - 08:40, 11 November 2016
thermal control, electrical power, attitude control and telemetry, tracking and commanding. JPL divides the "flight system" of a spacecraft into subsystems...
37 KB (3,871 words) - 02:42, 1 November 2024
control may refer to: Control moment gyroscope, an attitude control device generally used in spacecraft attitude control systems Gyroscopic control (gaming)...
244 bytes (60 words) - 13:53, 3 October 2013
Mercury-Redstone 3 (category Spacecraft launched in 1961)
began testing manual control of the spacecraft's orientation. For redundancy purposes, the Mercury spacecraft's manual attitude control system used a different...
32 KB (3,892 words) - 16:47, 4 November 2024