2006
DOI: 10.1109/taes.2006.314588
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Attitude stabilization with actuators subject to switching restrictions: an approach via exact relay control methods

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Cited by 10 publications
(6 citation statements)
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“…At present, to protect thruster valves from the extreme space conditions, the control for these systems is on-off, initiated by a PD law acting on the error variable. However, on-off thrusting results either in chattering, which wears the thrusters and increases fuel consumption, or in deadband-induced limit cycles that reduce fuel consumption but also positioning accuracy [27,28]. Note that although on-off thrusting is adequate in point-to-point operations, such as docking or satellite attitude corrections, it is not adequate for complex trajectory tracking, as required in passive object manipulation, where position and time pairs must be achieved with minimal errors.…”
Section: Manipulation By Free-flying Servicersmentioning
confidence: 99%
“…At present, to protect thruster valves from the extreme space conditions, the control for these systems is on-off, initiated by a PD law acting on the error variable. However, on-off thrusting results either in chattering, which wears the thrusters and increases fuel consumption, or in deadband-induced limit cycles that reduce fuel consumption but also positioning accuracy [27,28]. Note that although on-off thrusting is adequate in point-to-point operations, such as docking or satellite attitude corrections, it is not adequate for complex trajectory tracking, as required in passive object manipulation, where position and time pairs must be achieved with minimal errors.…”
Section: Manipulation By Free-flying Servicersmentioning
confidence: 99%
“…However, in some applications, the features of the trajectory in this neighbourhood may be of relevance to meet engineering specifications. For example, in the case of attitude regulation with on-off thrusters, the goal consists in achieving a stable periodic motion with suitable ampli-tude and frequency (Kienitz and Bals 2005;Kienitz 2006). This task can be complicated by the presence of dwell-time constraints, which may be difficult to handle by using standard techniques for stabilization of limit cycles such as the Poincaré map approach (Benmiloud et al 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Simple on-off thruster operation is not subject to these limitations and is preferred in space applications. However, on-off thrusting results either in chattering, which wears the thrusters and increases fuel consumption, or in deadband-induced limit cycles, that reduce fuel consumption but also positioning accuracy [18], [71], compared to non on-off control.…”
Section: Handling Of a Passive Object In Spacementioning
confidence: 99%
“…where e = xdes -x, is the position error of the controlled body, umax is the force applied by an open thruster and ft inserts a deadband on the controller, in order to avoid chattering, i.e. rapid on-off switching of thrusters near zero error [18], [71]. Figure 2-10 shows a typical response of such a system, where a limit-cycle is observed, even though chattering is avoided.…”
Section: Object Control With Direct Thrustingmentioning
confidence: 99%
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