Relevant bibliographies by topics / Guidance with field-of-view constraints

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Guidance with field-of-view constraints'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Guidance with field-of-view constraints"

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Hu, Jian, Naigang Cui, Yuliang Bai, and Yunhai Geng. "Guidance law to control impact time constraining the seeker’s field of view?" Aircraft Engineering and Aerospace Technology 91, no. 1 (January 7, 2018): 20–29. http://dx.doi.org/10.1108/aeat-06-2017-0151.

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Purpose The purpose of this paper is to present a novel guidance law that is able to control the impact time while the seeker’s field of view (FOV) is constrained. Design/methodology/approach The new guidance law is derived from the framework of Lyapunov stability theory to ensure interception at the desired impact time. A time-varying guidance gain scheme is proposed based on the analysis of the convergence time of impact time error, where finite-time stability theory is used. The circular trajectory assumption is adopted for the derivation of accurate analytical estimation of time-to-go. The seeker’s FOV constraint, along with missile acceleration constraint, is considered during guidance law design, and a switching strategy to satisfy it is designed. Findings The proposed guidance law can drive missile to intercept stationary target at the desired impact time, as well as satisfies seeker’s FOV and missile acceleration constraints during engagement. Simulation results show that the proposed guidance law could provide robustness against different engagement scenarios and autopilot lag. Practical implications The presented guidance law lays a foundation for using cooperative strategies, such as simultaneous attack. Originality/value This paper presents further study on the impact time control problem considering the seeker’s FOV constraint, which conforms better to reality.
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Zhang, Haoqiang, Shengjing Tang, Jie Guo, and Wan Zhang. "A Two-Phased Guidance Law for Impact Angle Control with Seeker’s Field-of-View Limit." International Journal of Aerospace Engineering 2018 (2018): 1–13. http://dx.doi.org/10.1155/2018/7403639.

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A two-phased guidance problem with terminal impact angle constraints and seeker’s field-of-view limit is addressed in this paper for a missile against a nonmaneuvering incoming target. From the conventional PN guidance without any constraints, it is found that satisfying the impact angle constraint causes a more curved missile trajectory requiring a large look angle. To avoid the look angle exceeding the seeker’s physical limit, a two-phased look angle control guidance scheme with the terminal constraint is introduced. The PN-typed guidance law is designed for each guidance phase with a specific switching condition of line-of-sight. The proposed guidance law is comprised of two types of acceleration commands: the one in the initial phase which aims at controlling the missile’s look angle to reach the limit and the other for final phase which is produced by switching the navigation gain. The monotonicity of the line-of-sight angle and look angle is analyzed and proved to support the proposed method. To evaluate the specific navigation gains for both initial and final phases, the scaling coefficient between them is discussed by solving a quadratic equation with respect to the initial navigation gain. To avoid a great abrupt acceleration change at the switching instant, a minimum coefficient is chosen. Extensive simulations are performed to validate the efficiency of the proposed approach.
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Ma, Shuai, Zhongyuan Wang, Xugang Wang, and Qi Chen. "Three-Dimensional Impact Time Control Guidance Considering Field-of-View Constraint and Velocity Variation." Aerospace 9, no. 4 (April 9, 2022): 202. http://dx.doi.org/10.3390/aerospace9040202.

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The problem of three-dimensional impact time control guidance considering field-of-view constraints and time-varying velocity is investigated in this study. First, considering the effect of gravity and aerodynamic forces on velocity, a simplified numerical estimation algorithm of flight time with a three-dimensional proportional navigation guidance law is derived. Then, based on the structure of the biased proportional navigation guidance law, the effect of the biased term on flight time is analyzed. The biased term is then designed to achieve impact time and field-of-view constraints considering time-varying velocity. Finally, numerical simulations are performed to demonstrate the effectiveness and superiority of the proposed guidance law.
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Kim, Hyeong-Geun, and Jun-Yong Lee. "Generalized Guidance Formulation for Impact Angle Interception with Physical Constraints." Aerospace 8, no. 10 (October 18, 2021): 307. http://dx.doi.org/10.3390/aerospace8100307.

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This paper proposes an optimal impact angle control guidance law for homing missiles with a narrow field-of-view of the seekers. As groundwork for designing a guidance law, we first present a general guidance structure that can achieve any terminal constraint of the line-of-sight rate based on the optimal control theory. We configure the desired profile of the line-of-sight rate using a saturation function whose exact form is determined to satisfy the required boundary conditions. By combining the line-of-sight rate profile with the optimal guidance structure, we develop a guidance law that achieves an impact angle interception with the field-of-view constraint. Herein, as the entire guidance structure is derived based on exact kinematics without any approximation, the proposed law ensures the accurate impact angle interception for various engagement scenarios. This precise consideration of the engagement kinematics also accurately ensures the energy optimality of preventing the excessive use of control inputs when homing. To evaluate the performance of the proposed method, numerical simulations with various engagement scenarios are conducted, and the results demonstrate that the proposed law allows missiles to accurately intercept their targets with the desired impact angles and without violating the prescribed field-of-view constraint.
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Shim, Sang-Wook, Seong-Min Hong, Gun-Hee Moon, and Min-Jea Tahk. "Impact Angle and Time Control Guidance Under Field-of-View Constraints and Maneuver Limits." International Journal of Aeronautical and Space Sciences 19, no. 1 (March 2018): 217–26. http://dx.doi.org/10.1007/s42405-018-0004-8.

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Singh, Swati, Shashi Ranjan Kumar, and Dwaipayan Mukherjee. "Barrier Lyapunov Function based Impact Time Guidance with Field-of-View and Input Constraints." IFAC-PapersOnLine 55, no. 22 (2022): 412–17. http://dx.doi.org/10.1016/j.ifacol.2023.03.069.

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Zhang, Youan, Xingliang Wang, and Huali Wu. "Impact time control guidance law with field of view constraint." Aerospace Science and Technology 39 (December 2014): 361–69. http://dx.doi.org/10.1016/j.ast.2014.10.002.

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Shi, Qingli, Hua Wang, and Hao Cheng. "Multiple Constraints-Based Adaptive Three-Dimensional Back-Stepping Sliding Mode Guidance Law against a Maneuvering Target." Aerospace 9, no. 12 (December 5, 2022): 796. http://dx.doi.org/10.3390/aerospace9120796.

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This paper addresses the issue of a complex three-dimension (3-D) terminal guidance process that is used against maneuvering targets while considering both the terminal impact angle (TIA) and field-of-view (FOV) angle constraints. According to the highly coupled and nonlinear 3-D terminal guidance model, an adaptive back-stepping sliding-mode guidance law algorithm is proposed in order to guarantee the stability and robustness of the guidance system. Considering the explicit expression of the line-of-sight (LOS) angle in the kinematics and dynamics of the terminal guidance process, the TIA constraint is transformed into an LOS constraint based on their well-known relationship. In view of the challenges in obtaining the motion information of maneuvering targets, an adaptive law design is introduced in order to estimate and compensate for external disturbances caused by the maneuvering of the target and modeling uncertainty. In addition, because the FOV angle represented by the overall leading angle is not a state variable in the sliding-mode guidance system, it is decoupled into two partial leading angles based on a specific transformation relation, so the 3-D terminal guidance control problem is converted into separate tracking system control issues in the pitch and yaw planes. Then, the Lyapunov stability theory is utilized to substantiate the stability of the guidance system, where the Lyapunov functions in both of the subsystems consist of the LOS and partial FOV state error terms. Finally, a series of simulations of various motion states of maneuvering targets under different terminal cases were carried out. It was proved that the terminal guidance design based on the strategies presented above was able to obtain the desired LOS constraints with satisfying the FOV limitation, and the simulation results verified the effectiveness, universality, and significance for practical applications of the proposed guidance design method.
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Guo, Jing, Jun Zhou, and Bin Zhao. "Three-dimensional integrated guidance and control for strap-down missiles considering seeker’s field-of-view angle constraint." Transactions of the Institute of Measurement and Control 42, no. 6 (November 13, 2019): 1097–109. http://dx.doi.org/10.1177/0142331219883719.

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This paper investigates a novel three-dimensional (3D) integrated guidance and control (IGC) method for skid-to-turn (STT) missiles with strap-down seeker. Firstly, a nonlinear IGC model considering seeker’s field-of-view (FOV) constraint is built by employing the strap-down decoupling model, based on which the strict feedback state equation with matched and unmatched uncertainties is derived. Secondly, to handle the FOV angle and the roll angle constraints, an IGC law is proposed by combining dynamic surface control (DSC) approach with integral barrier Lyapunov function (iBLF), by which an adaptive law is employed to estimate the square of the disturbance bound. Finally, the uniform ultimately boundedness of the closed-loop system is proved strictly based on the Lyapunov stability theory, and the effectiveness and robustness of the proposed IGC scheme are illustrated with numerical simulations.
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Hu, Qinglei, Tuo Han, and Ming Xin. "Analytical Solution for Nonlinear Three-Dimensional Guidance With Impact Angle and Field-of-View Constraints." IEEE Transactions on Industrial Electronics 68, no. 4 (April 2021): 3423–33. http://dx.doi.org/10.1109/tie.2020.2982114.

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Dissertations / Theses on the topic "Guidance with field-of-view constraints"

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Fu, Wenhao. "Visual servoing for mobile robots navigation with collision avoidance and field-of-view constraints." Thesis, Evry-Val d'Essonne, 2014. http://www.theses.fr/2014EVRY0019/document.

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Cette thèse porte sur le problème de la navigation basée sur la vision pour les robots mobiles dans les environnements intérieurs. Plus récemment, de nombreux travaux ont été réalisés pour résoudre la navigation à l'aide d'un chemin visuel, à savoir la navigation basée sur l'apparence. Cependant, en utilisant ce schéma, le mouvement du robot est limité au chemin visuel d'entrainement. Le risque de collision pendant le processus de navigation peut faire écarter le robot de la trajectoire visuelle courante, pour laquelle les repères visuels peuvent être perdus. Dans l'état de nos connaissances, les travaux envisagent rarement l'évitement des collisions et la perte de repère dans le cadre de la navigation basée sur l'apparence. Nous présentons un cadre mobile de navigation pour le robot afin de renforcer la capacité de la méthode basée sur l'apparence, notamment en cas d'évitement de collision et de contraintes de champ de vision. Notre cadre introduit plusieurs contributions techniques. Tout d'abord, les contraintes de mouvement sont considérés dans la détection de repère visuel pour améliorer la performance de détection. Ensuite, nous modélisons l'obstacle en utilisant B-Spline. La représentation de B-Spline n'a pas de régions accidentées et peut générer un mouvement fluide pour la tâche d'évitement de collision. En outre, nous proposons une stratégie de contrôle basée sur la vision, qui peut gérer la perte complète de la cible. Enfin, nous utilisons l'image sphérique pour traiter le cas des projections d'ambiguité et d'infini dus à la projection en perspective. Les véritables expériences démontrent la faisabilité et l'efficacité de notre cadre et de nos méthodes
This thesis is concerned with the problem of vision-based navigation for mobile robots in indoor environments. Many works have been carried out to solve the navigation using a visual path, namely appearance-based navigation. However, using this scheme, the robot motion is limited to the trained visual path. The potential collision during the navigation process can make robot deviate from the current visual path, in which the visual landmarks can be lost in the current field of view. To the best of our knowledge, seldom works consider collision avoidance and landmark loss in the framework of appearance-based navigation. We outline a mobile robot navigation framework in order to enhance the capability of appearance-based method, especially in case of collision avoidance and field-of-view constraints. Our framework introduces several technical contributions. First of all, the motion constraints are considered into the visual landmark detection to improve the detection performance. Next then, we model the obstacle boundary using B-Spline. The B-Spline representation has no accidented regions and can generate a smooth motion for the collision avoidance task. Additionally, we propose a vision-based control strategy, which can deal with the complete target loss. Finally, we use spherical image to handle the case of ambiguity and infinity projections due to perspective projection. The real experiments demonstrate the feasability and the effectiveness of our framework and methods
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Irrgang, Christopher [Verfasser]. "Characterization of oceanic signatures in the Earth's magnetic field in view of their applicability as ocean model constraints / Christopher Irrgang." Berlin : Freie Universität Berlin, 2017. http://d-nb.info/1137867795/34.

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Sutherland, Michael. "A Method for Establishing Constraints on Galactic Magnetic Field Models Using Ultra High Energy Cosmic Rays and Results from the Data of the Pierre Auger Observatory." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1274798328.

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Davis, Traci Danielle. "Field of Dreams: Exploring African American Male Students' Career Aspirations and Their Relationship to School Engagement." Miami University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=miami1304299566.

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Karimian, Arman. "Resilient visual perception for multiagent systems." Thesis, 2021. https://hdl.handle.net/2144/42591.

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There has been an increasing interest in visual sensors and vision-based solutions for single and multi-robot systems. Vision-based sensors, e.g., traditional RGB cameras, grant rich semantic information and accurate directional measurements at a relatively low cost; however, such sensors have two major drawbacks. They do not generally provide reliable depth estimates, and typically have a limited field of view. These limitations considerably increase the complexity of controlling multiagent systems. This thesis studies some of the underlying problems in vision-based multiagent control and mapping. The first contribution of this thesis is a method for restoring bearing rigidity in non-rigid networks of robots. We introduce means to determine which bearing measurements can improve bearing rigidity in non-rigid graphs and provide a greedy algorithm that restores rigidity in 2D with a minimum number of added edges. The focus of the second part is on the formation control problem using only bearing measurements. We address the control problem for consensus and formation control through non-smooth Lyapunov functions and differential inclusion. We provide a stability analysis for undirected graphs and investigate the derived controllers for directed graphs. We also introduce a newer notion of bearing persistence for pure bearing-based control in directed graphs. The third part is concerned with the bearing-only visual homing problem with a limited field of view sensor. In essence, this problem is a special case of the formation control problem where there is a single moving agent with fixed neighbors. We introduce a navigational vector field composed of two orthogonal vector fields that converges to the goal position and does not violate the field of view constraints. Our method does not require the landmarks' locations and is robust to the landmarks' tracking loss. The last part of this dissertation considers outlier detection in pose graphs for Structure from Motion (SfM) and Simultaneous Localization and Mapping (SLAM) problems. We propose a method for detecting incorrect orientation measurements before pose graph optimization by checking their geometric consistency in cycles. We use Expectation-Maximization to fine-tune the noise's distribution parameters and propose a new approximate graph inference procedure specifically designed to take advantage of evidence on cycles with better performance than standard approaches. These works will help enable multi-robot systems to overcome visual sensors' limitations in collaborative tasks such as navigation and mapping.
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Books on the topic "Guidance with field-of-view constraints"

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Glancy, Graham D., and Stefan R. Treffers. Adjustment disorders. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199360574.003.0018.

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Becoming incarcerated and the challenges associated with incarceration are for most people major life stressors. The development of acute adjustment disorders is very common in these settings. This chapter attempts to give guidance to clinicians who are on the front line in very difficult circumstances. They are often dealing with patients who are overwhelmed with significant adverse life events, whose history reveals that they have dealt with emotional disturbances by acting out, or have struggled with substance abuse for many years. The risk of suicide is a substantial concern, and may be substantially elevated in the presence of an adjustment disorder. Patients present with complex comorbidities, often complicated by substance use disorder and withdrawal. Clinicians often have very little information at their disposal, yet will have to make difficult decisions under pressure. For example, it is often not possible to collect collateral information or previous clinical records. Clinicians are required to balance an empathic approach while maintaining clear boundaries. In addition, the clinician is also required to bear in mind the security constraints of the institution. Often the clinician is working in relative isolation, without the added resources of a multidisciplinary team. In our view, treatment of adjustment disorders in correctional settings requires a keen application of the whole complement of clinical skills. This chapter discusses the presentation, assessment issues, and management concerns of adjustment disorders in jails and prisons.
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Boero, Natalie, and Katherine Mason, eds. The Oxford Handbook of the Sociology of Body and Embodiment. Oxford University Press, 2019. http://dx.doi.org/10.1093/oxfordhb/9780190842475.001.0001.

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The Oxford Handbook of the Sociology of Body and Embodiment challenges the view that bodies belong to the category of “nature” and are biological, essential, and pre-social. It argues instead that bodies both shape and get shaped by human societies. As such, the body is an appropriate and necessary area of study for sociologists. The Handbook works to clarify the scope of this topic and display the innovations of research within the field. The volume is divided into three main parts: Bodies and Methodology; Marginalized Bodies; and Embodied Sociology. Sociologists contributing to the first two parts focus on the body and the ways it is given meaning, regulated, and subjected to legal and medical oversight in a variety of social contexts (particularly when the body in question violates norms for how a culture believes bodies “ought” to behave or appear). Sociologists contributing to the last part use the bodily as a lens through which to study social institutions and experiences. These social settings range from personal decisions about medical treatment to programs for teaching police recruits how to use physical force, from social movement tactics to countries’ understandings of race and national identity. Many chapters throughout the book offer extended methodological reflections, providing guidance on how to conduct sociological research on the body and, at times, acknowledging the role the authors’ own bodies play in developing their knowledge of the research subject.
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Redwood, Simon, Nick Curzen, and Adrian Banning, eds. Oxford Textbook of Interventional Cardiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198754152.001.0001.

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The Oxford Textbook of Interventional Cardiology is the definitive text, spanning the whole spectrum of interventional cardiology procedures, including management of patients with coronary artery disease, one of the leading killers in western society. This textbook, covering key procedures and fully revised and updated to include the latest trials, technology, and new techniques, is essential reading. The Oxford Textbook of Interventional Cardiology 2nd edition spans the whole spectrum of interventional cardiology procedures, including a novel section on the future of interventional cardiology, and multiple new chapters covering special devices in percutaneous coronary intervention. Written by an expert team of international authors, this book offers guidance on all aspects of interventional cardiology according to the European curriculum, and covers the evidence-based guidelines for a comprehensive view of the field.
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Hamkins, SuEllen. The Art of Narrative Psychiatry. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199982042.001.0001.

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Narrative psychiatry empowers patients to shape their lives through story. Rather than focusing only on finding the source of the problem, in this collaborative clinical approach psychiatrists also help patients diagnose and develop their sources of strength. By encouraging the patient to explore their personal narrative through questioning and story-telling, the clinician helps the patient participate in and discover the ways in which they construct meaning, how they view themselves, what their values are, and who it is exactly that they want to be. These revelations in turn inform clinical decision-making about what it is that ails them, how they'd like to treat it, and what recovery might look like. The Art of Narrative Psychiatry is the first comprehensive description of narrative psychiatry in action. Engaging and accessible, it demonstrates how to help patients cultivate their personal sources of strength and meaning as resources for recovery. Illustrated with vivid case reports and in-depth accounts of therapeutic conversations, the book offers psychiatrists and psychotherapists detailed guidance in the theory and practice of this collaborative approach. Drawing inspiration from narrative therapy, post-modern philosophy, humanistic medicine, and social justice movements - and replete with ways to more fully manifest the intentions of the mental health recovery model - this engaging new book shows how to draw on the standard psychiatric toolbox while also maintaining focus on the patient's vision of the world and illuminating their skills and strengths. Written by a pioneer in the field, The Art of Narrative Psychiatry describes a breadth of nuanced, powerful narrative practices, including externalizing problems, listening for what is absent but implicit, facilitating re-authoring conversations, fostering communities of support, and creating therapeutic documents. The Art of Narrative Psychiatry addresses mental health challenges that range from mild to severe, including anxiety, depression, despair, anorexia/bulimia, perfectionism, OCD, trauma, psychosis, and loss. True to form, the author narrates her own experience throughout, sharing her internal thoughts and decision-making processes as she listens to patients. The Art of Narrative Psychiatry is necessary reading for any professional seeking to empower their patients and become a better, more compassionate clinician.
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Anders, Torsten. Compositions Created with Constraint Programming. Edited by Roger T. Dean and Alex McLean. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780190226992.013.5.

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This chapter surveys music constraint programming systems, and how composers have used them. The chapter motivates why and explains how users of such systems describe intended musical results with constraints. This approach to algorithmic composition is similar to the way declarative and modular compositional rules have successfully been used in music theory for centuries as a device to describe composition techniques. This systematic overview highlights the respective strengths of different approaches and systems from a composer’s point of view, complementing other more technical surveys of this field. This text describes the music constraint systems PMC, Score-PMC, PWMC (and its successor Cluster Engine), Strasheela, and Orchidée—most are libraries of the composition systems PWGL or OpenMusic. These systems are shown in action by discussions of the composition processes of specific works by Jacopo Baboni Schilingi, Magnus Lindberg, Örjan Sandred, Torsten Anders, Johannes Kretz, and Jonathan Harvey.
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Wolfe, Jeremy M. Approaches to Visual Search. Edited by Anna C. (Kia) Nobre and Sabine Kastner. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199675111.013.002.

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In her original Feature Integration Theory, Anne Treisman proposed that we process a limited set of basic preattentive, visual features in parallel across the visual field. Binding those features together into coherent, recognizable objects requires selective attention of item after item. In Treisman’s original conception, searches were divided into parallel feature searches and other serial self-terminating searches. Wolfe’s Guided Search model added the idea that the deployment of attention could be guided by preattentive information. In this view, the efficiency of search is related to the effectiveness of guidance on a continuum from perfect guidance, in the case of simple feature pop-out, to no guidance when no basic features distinguish target from distractors. This chapter reviews the evidence for different basic, preattentive features and describes the current understanding of the rules of guidance, the mechanics of visual search, and the relationship of these processes to visual awareness.
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Williams, Howard, and Melanie Giles, eds. Archaeologists and the Dead. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780198753537.001.0001.

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This volume addresses the relationship between archaeologists and the dead, through the many dimensions of their relationships: in the field (through practical and legal issues), in the lab (through their analysis and interpretation), and in their written, visual and exhibitionary practice--disseminated to a variety of academic and public audiences. Written from a variety of perspectives, its authors address the experience, effect, ethical considerations, and cultural politics of working with mortuary archaeology. Whilst some papers reflect institutional or organizational approaches, others are more personal in their view: creating exciting and frank insights into contemporary issues that have hitherto often remained "unspoken" among the discipline. Reframing funerary archaeologists as "death-workers" of a kind, the contributors reflect on their own experience to provide both guidance and inspiration to future practitioners, arguing strongly that we have a central role to play in engaging the public with themes of mortality and commemoration, through the lens of the past. Spurred by the recent debates in the UK, papers from Scandinavia, Austria, Italy, the US, and the mid-Atlantic, frame these issues within a much wider international context that highlights the importance of cultural and historical context in which this work takes place.
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Martin, Derek, and Peter Stacey, eds. Guidelines for Open Pit Slope Design in Weak Rocks. CSIRO Publishing, 2018. http://dx.doi.org/10.1071/9781486303489.

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Weak rocks encountered in open pit mines cover a wide variety of materials, with properties ranging between soil and rock. As such, they can provide a significant challenge for the slope designer. For these materials, the mass strength can be the primary control in the design of the pit slopes, although structures can also play an important role. Because of the typically weak nature of the materials, groundwater and surface water can also have a controlling influence on stability. Guidelines for Open Pit Slope Design in Weak Rocks is a companion to Guidelines for Open Pit Slope Design, which was published in 2009 and dealt primarily with strong rocks. Both books were commissioned under the Large Open Pit (LOP) project, which is sponsored by major mining companies. These books provide summaries of the current state of practice for the design, implementation and assessment of slopes in open pits, with a view to meeting the requirements of safety, as well as the recovery of anticipated ore reserves. This book, which follows the general cycle of the slope design process for open pits, contains 12 chapters. These chapters were compiled and written by industry experts and contain a large number of case histories. The initial chapters address field data collection, the critical aspects of determining the strength of weak rocks, the role of groundwater in weak rock slope stability and slope design considerations, which can differ somewhat from those applied to strong rock. The subsequent chapters address the principal weak rock types that are encountered in open pit mines, including cemented colluvial sediments, weak sedimentary mudstone rocks, soft coals and chalk, weak limestone, saprolite, soft iron ores and other leached rocks, and hydrothermally altered rocks. A final chapter deals with design implementation aspects, including mine planning, monitoring, surface water control and closure of weak rock slopes. As with the other books in this series, Guidelines for Open Pit Slope Design in Weak Rocks provides guidance to practitioners involved in the design and implementation of open pit slopes, particularly geotechnical engineers, mining engineers, geologists and other personnel working at operating mines.
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Wilmerding, M. Virginia, and Donna H. Krasnow, eds. Dancer Wellness. Human Kinetics, 2017. http://dx.doi.org/10.5040/9781718212756.

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Dancers who want to get the most out of their experience in dance—whether in college, high school, a dance studio, or a dance company—can now take charge of their wellness. Dancer Wellness will help them learn and apply important wellness concepts as presented through the in-depth research conducted by the International Association for Dance Medicine & Science (IADMS) and their experts from around the world. Four Primary Areas Dancer Wellness covers four primary topics: 1. Foundations of dancer wellness, which explores the dancer's physical environment, the science behind training, and conditioning 2. Mental components of dancer wellness, which investigates the psychological aspects that influence a dancer's training—imagery, somatic practices, and the ways that rest, fatigue, and burnout affect learning, technique, and injury risk and recovery 3. Physical aspects of dancer wellness, which examines dancer nutrition and wellness, including the challenges in maintaining good nutrition, addressing body composition issues, bone health, injury prevention, and first aid 4. Assessments for dancer wellness, which offers guidance in goal setting, screenings, assessing abilities, and designing a personal wellness plan Each chapter offers learning objectives at the beginning and review questions at the end to help readers recall what they have learned. Sidebars within each chapter focus on self-awareness, empowerment, goal setting, and diversity in dance. “Dancer Wellness meets the needs of dancers in any setting,” says Virginia Wilmerding, one of the book's editors from IADMS. “Our authors are leaders in the field, and they thoroughly investigate their areas of specialization. Through that investigation we have provided theoretical concepts and practical information and applications that dancers can use to enhance their health and wellness as part of their dance practice.” This text offers foundational information to create a comprehensive view of dancer wellness. “Wellness defines the state of being healthy in both mind and body through conscious and intentional choices and efforts,” says coeditor Donna Krasnow. “Anyone interested in the health and wellness of dancers can benefit from this book, regardless of previous training or level of expertise. This book covers each aspect of dancer wellness, whether environmental, physical, or psychological.”
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Book chapters on the topic "Guidance with field-of-view constraints"

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de Plinval, Henry, and Laurent Burlion. "Nonlinear Visual Servoing Control for VTOL UAVs with Field of View Constraint." In Advances in Aerospace Guidance, Navigation and Control, 531–48. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17518-8_31.

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He, Shaoming, Chang-Hun Lee, Hyo-Sang Shin, and Antonios Tsourdos. "Optimal Trajectory Shaping Guidance Law with Seeker’s Field-of-View Constraint." In Optimal Guidance and Its Applications in Missiles and UAVs, 41–62. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47348-8_3.

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Chen, Jian. "Visual Control with Field-of-View Constraints." In Multi-View Geometry Based Visual Perception and Control of Robotic Systems, 201–24. Boca Raton, FL : CRC Press/Taylor &Francis Group, 2017.: CRC Press, 2018. http://dx.doi.org/10.1201/9780429489211-12.

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Wang, Jianan, Haifeng Zhang, Wei Dong, Chunyan Wang, Chengfeng Wu, Hui Li, and Xiaoyun Guo. "Nonsingular Distributed Cooperative Guidance Law with Field-of-View Limits." In Lecture Notes in Electrical Engineering, 5629–38. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6613-2_543.

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Lee, Jaeho, and Youdan Kim. "Exoatmospheric DACS Type Missile Controller Based on Sliding Mode Control Considering the Seeker’s Field-of-View Limit." In Advances in Aerospace Guidance, Navigation and Control, 631–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65283-2_34.

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van Wessel, Margit. "Advocacy in Constrained Settings. Rethinking Contextuality." In EADI Global Development Series, 217–34. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-23305-0_10.

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AbstractPractical guidance on advocacy in the context of development commonly relates to the contexts in which it is set. However, context is relevant beyond the aspects usually addressed, most importantly the presence of a liberal state that has authority and competence to make and enforce policy decisions. To lay bare and reflect on these assumptions for advocacy research and practice, the chapter turns to advocacy manuals for practitioners in the development field. To illustrate and substantiate the problematic nature of the assumptions underlying practitioner guidance, the chapter provides insights from research into civil society advocacy in settings where the condition of the liberal state is not met: authoritarian/hybrid and fragile contexts. A discussion of findings from this research, and a reflection considering them, lead to the identification of a set of considerations for advocacy research and practice in the development sector regarding contextuality: CSO roles, advocacy capacities, strategies, and risk management.
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Mertens, Daniel, Matthias Thiemann, and Peter Volberding. "Introduction." In The Reinvention of Development Banking in the European Union, 1–32. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198859703.003.0001.

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This chapter introduces the puzzle of expanding national development banking in times of market-liberal EU integration. It presents the variegated landscape of national development banks in European Member States and their linkages to supranational institutions and programmes and builds a theoretical framework around field theory and historical-institutionalist European political economy to capture the evolution of development banking in the EU. The chapter argues that the current appearance of development banking in the EU is conditioned by constraints and guidance stemming from the integration process and the specific insertion of Member States in the European political economy. Importantly, it rests on a market-supporting, “promotional” understanding of development banks’ tasks that has consequences for contemporary debates over industrial policy and public investment in the European Union
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Martin, Dale B. "Christ." In Biblical Truths. Yale University Press, 2017. http://dx.doi.org/10.12987/yale/9780300222838.003.0005.

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A view of the nature of Jesus Christ that rises to the level of full Christian orthodoxy, as expressed in such creeds and definitions as the Apostles’ Creed, and the statements of Nicea, and Chalcedon, cannot be responsibly derived from the New Testament if the constraints of modern historical criticism are obeyed. But robust and faithful views of the nature of Christ may be read from the New Testament, and even from the Old Testament, when the text is interpreted via lenses of creative, Christian interpretation, led by the holy spirit, and interpreted with the guidance of love. Moreover, though constructions of “the historical Jesus” may be used for theological reflection, the Jesus of Christian faith is the Christ of Christian creed and confessions, not the Jesus of modern historical research and construction.
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Rankin, Jenny Grant. "Data System-Embedded Guidance Significantly Improves Data Analyses." In Handbook of Research on Innovations in Information Retrieval, Analysis, and Management, 125–51. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-8833-9.ch005.

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In the field of Education, computerized data systems are used to manage, retrieve, and analyze information. Educators view this information in the form of data reports, which educators use to inform decisions that impact students. These decisions are frequently undermined by misunderstandings concerning the data and its implications. Yet data systems and their reports typically display data without any guidance concerning the data's proper analysis. In a quantitative study, medicine labeling conventions were applied to data systems to embed guidance in the proper use of contents. Among 211 educators of varied backgrounds and roles, data analyses were found to be 307% more accurate when a report label/footer was present, 205% more accurate when a 1-page reference sheet was present, and 273% more accurate when a reference guide was present. Findings hold implications for those who provide or use tools for high-stakes information retrieval, analysis, and/or management, particularly in Education.
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Yang, Zhuorui, and Aura Ganz. "Egocentric Landmark-Based Indoor Guidance System for the Visually Impaired." In Computer Vision, 1483–99. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5204-8.ch061.

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In this paper, we introduce an egocentric landmark-based guidance system that enables visually impaired users to interact with indoor environments. The user who wears Google Glasses will capture his surroundings within his field of view. Using this information, we provide the user an accurate landmark-based description of the environment including his relative distance and orientation to each landmark. To achieve this functionality, we developed a near real time accurate vision based localization algorithm. Since the users are visually impaired our algorithm accounts for captured images using Google Glasses that have severe blurriness, motion blurriness, low illumination intensity and crowd obstruction. We tested the algorithm performance in a 12,000 ft2 open indoor environment. When we have mint query images our algorithm obtains mean location accuracy within 5ft., mean orientation accuracy less than 2 degrees and reliability above 88%. After applying deformation effects to the query images such blurriness, motion blurriness and illumination changes, we observe that the reliability is above 75%.
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Conference papers on the topic "Guidance with field-of-view constraints"

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Beard, Randal, and Jeffery Saunders. "Reactive Vision Based Obstacle Avoidance with Camera Field of View Constraints." In AIAA Guidance, Navigation and Control Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-7250.

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Ratnoo, Ashwini. "Analysis of Two-Stage Proportional Navigation with Impact Angle and Field-of-View Constraints." In AIAA Guidance, Navigation, and Control Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-0615.

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Mukherjee, Dwaipayan, and Shashi Ranjan Kumar. "Nonlinear Impact Time Guidance with Constrained Field-of-View." In 2020 American Control Conference (ACC). IEEE, 2020. http://dx.doi.org/10.23919/acc45564.2020.9147958.

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Chen, Xiaotian, and Jinzhi Wang. "Cooperative guidance law for missiles with field-of-view constraint." In 2016 35th Chinese Control Conference (CCC). IEEE, 2016. http://dx.doi.org/10.1109/chicc.2016.7554204.

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Hirwani, Vijay, and Ashwini Ratnoo. "Field-of-View Constrained Polynomial Guidance Law for Dual-Seeker Interceptors." In 2018 AIAA Guidance, Navigation, and Control Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-1325.

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Ramesh, D., Arnab Maity, A. K. Sarkar, and J. Umakant. "Fixed Final Time Field of View and Impact Angle Constrained Guidance." In 2019 27th Mediterranean Conference on Control and Automation (MED). IEEE, 2019. http://dx.doi.org/10.1109/med.2019.8798534.

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Zhang, Da, Gaoxiang Liu, and Kexin Liu. "Prescribed Impact Time Cooperative Guidance Law with Seeker’s Field of View Constraint." In 2022 34th Chinese Control and Decision Conference (CCDC). IEEE, 2022. http://dx.doi.org/10.1109/ccdc55256.2022.10033689.

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Jinglun, Li, Gan Qingzhong, and Hou Mingzhe. "Integrated Guidance and Control for Semi-Strapdown Missiles with Terminal Attack Angle and Field-of-View Constraints." In 2021 36th Youth Academic Annual Conference of Chinese Association of Automation (YAC). IEEE, 2021. http://dx.doi.org/10.1109/yac53711.2021.9486624.

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Li, Rui, Yangyang Zhao, and Qinghua Ma. "Field-of-View Constrained Hybrid Guidance Law against Moving Targets in Crosswind." In 2020 39th Chinese Control Conference (CCC). IEEE, 2020. http://dx.doi.org/10.23919/ccc50068.2020.9189434.

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Chen, Xiaotian, and Jinzhi Wang. "Field-of-view Constrained Impact Angle Control Guidance Law Against Stationary Targets." In 2018 37th Chinese Control Conference (CCC). IEEE, 2018. http://dx.doi.org/10.23919/chicc.2018.8483273.

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Reports on the topic "Guidance with field-of-view constraints"

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Saltus, Christina, Molly Reif, and Richard Johansen. waterquality for ArcGIS Pro Toolbox : user's guide. Engineer Research and Development Center (U.S.), September 2022. http://dx.doi.org/10.21079/11681/45362.

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Monitoring water quality of small inland lakes and reservoirs is a critical component of the US Army Corps of Engineers (USACE) water quality management plans. However, limited resources for traditional field-based monitoring of numerous lakes and reservoirs covering vast geographic areas often leads to reactional responses to harmful algal bloom (HAB) outbreaks. Satellite remote sensing methodologies using HAB indicators is a good low-cost option to traditional methods and has been proven to maximize and complement current field-based approaches while providing a synoptic view of water quality (Beck et al. 2016; Beck et al. 2017; Beck et al. 2019; Johansen et al. 2019; Mishra et al. 2019; Stumpf and Tomlinson 2007; Wang et al. 2020; Xu et al. 2019; Reif 2011). To assist USACE water quality management, we developed an Environmental Systems Research Institute (ESRI) ArcGIS Pro desktop software toolbox (waterquality for ArcGIS Pro) founded on the design and research established in the waterquality R software package (Johansen et al. 2019; Johansen 2020). The toolbox enables the detection, monitoring, and quantification of HAB indicators (chlorophyll-a, phycocyanin, and turbidity) using Sentinel-2 satellite imagery. Four tools are available: (1) automating the download of Sentinel-2 Level-2A imagery, (2) creating stacked image with options for cloud and non-water features masks, (3) applying water quality algorithms to generate relative estimations of one to three water quality parameters (chlorophyll-a, phycocyanin, and turbidity), and (4) creating linear regression graphs and statistics comparing in situ data (from field-based water sampling) to relative estimation data. This document serves as a user’s guide for the waterquality for ArcGIS Pro toolbox and includes instructions on toolbox installation and descriptions of each tool’s inputs, outputs, and troubleshooting guidance.
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Saltus, Christina, Molly Reif, and Richard Johansen. waterquality for ArcGIS Pro Toolbox. Engineer Research and Development Center (U.S.), October 2021. http://dx.doi.org/10.21079/11681/42240.

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Monitoring water quality of small inland lakes and reservoirs is a critical component of USACE water quality management plans. However, limited resources for traditional field-based monitoring of numerous lakes and reservoirs that cover vast geographic areas often leads to reactional responses to harmful algal bloom (HAB) outbreaks. Satellite remote sensing methodologies using HAB indicators is a good low-cost option to traditional methods and has been proven to maximize and complement current field-based approaches while providing a synoptic view of water quality (Beck et al. 2016; Beck et al. 2017; Beck et al. 2019; Johansen et al. 2019; Mishra et al. 2019; Stumpf and Tomlinson 2007; Wang et al. 2020; Xu et al. 2019; Reif 2011). To assist USACE water quality management, we developed an ESRI ArcGIS Pro desktop software toolbox (waterquality for ArcGIS Pro) that was founded on the design and research established in the waterquality R software package (Johansen et al. 2019; Johansen 2020). The toolbox enables the detection, monitoring, and quantification of HAB indicators (chlorophyll-a, phycocyanin, and turbidity) using Sentinel-2 satellite imagery. Four tools are available 1) to automate the download of Sentinel-2 Level-2A imagery, 2) to create stacked image with options for cloud and non-water features masks, 3) to apply water quality algorithms to generate relative estimations of one to three water quality parameters (chlorophyll-a, phycocyanin, and turbidity), and 4) to create linear regression graphs and statistics comparing in situ data (from field-based water sampling) to relative estimation data. This document serves as a user's guide for the waterquality for ArcGIS Pro toolbox and includes instructions on toolbox installation and descriptions of each tool's inputs, outputs, and troubleshooting guidance.
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Wittberg, Sara. Standardisering för individuell prövning: En kartläggning av kommunala riktlinjer för bistånd till äldreomsorg – funktion och inverkan. Linköping University Electronic Press, August 2023. http://dx.doi.org/10.3384/9789180752886.

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Cutbacks and austerity measures were in 2019 estimated in a quarter of the Swedish municipalities because of financial deficit. Due to the urbanization the conditions of the municipalities vary, creating different challenges and possibilities to provide for the necessary welfare service such as elder care. Despite a growing population of older people, previous research shows a decline in residential homes since 1980 as well as a decrease in caretakers receiving home help services. According to an inspection of the Health and Social Care Inspectorate (Inspektionen för vård och omsorg) local policy guidelines, for elder care assessment, are being used to reduce the dissimilarities in decision-making within the municipalities and to control the financial costs by adapting criteria and care limits for the needs assessment. Criticism has, by the Swedish Ombudsman, been directed towards the use of municipal guidelines for not complying with the law and case-law. Despite previous research indicating the usage of municipal guidelines in the needs assessment and decision-making process, municipal guidelines are still a relatively unexplored field. The aim of this thesis is therefore to understand the role of municipal guidelines, for elder care assessment, with regard to the law and the application of the law as well as the role municipal guidelines play according to politicians. In order to achieve this, the following has been examined: 1) the spread and content of the municipal guidelines, 2) the creation and political motives for establishing the guidelines and 3) how the care managers view their impact on the decision-making process. The methods used are semi-structured interviews, a survey, and a documentation review. The result shows that municipal guidelines are politically established, that they are widely spread and can be found in 274 out of 290 Swedish municipalities. According to the survey the guidelines contain guidance of law, case-law, and the like, as well as criteria and limits for the needs assessment and decision-making of elder care service. The result indicates that the local guidelines compensate for the ambiguity of the Social Services Act (Socialtjänstlagen 2001:453) by reinstating bureaucracy. By limiting the discretion, the guidelines aim to compensate for the lack of competence as well as create certainty and enable political responsibility for the usage of municipal resources as well as accountability between politicians, care managers and citizens. By standardizing, the aim is to achieve equality and legal certainty despite risking the fundamental intentions of the Social Service Act as a framework law designed for individual needs assessment. This study highlights the need to invest necessary resources into creating guidelines in order to make them more accessible, lawful and ensure legal certainty. The conditions, however, vary noteworthy between the municipalities. As a solution, the National Board of Health and Welfare, or some other authority, could be held responsible for developing national guidelines – regularly up to date and based on current law and case-law. In summary, this study shows that municipal guidelines have a widespread impact on the decision-making of care managers. The municipal guidelines thereby have a central role in the application of the law with a noteworthy potential impact on individuals and the help warranted to older people as a consequence.
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