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PREFACE.
Chapter 1 INTRODUCTION.
1.1 Motivation for Writing this Book.
1.2 The Structure of the Book.
1.3 Related Studies.
REFERENCES.
Chapter 2 FUNDAMENTALS OF IMPACT AND SHOCK ISOLATION.
2.1 Shock Loading: Basic Models and Characteristics.
2.1.1 External disturbance. Kinematic and dynamic disturbances.
2.1.2 Shock disturbance.
2.1.3 Instantaneous shock.
2.2 Shock Isolation.
2.2.1 Shock isolation of an object on a moving base.
2.2.2 Shock isolation of a fixed base.
2.3 The Isolator as a Control Medium. Active and Passive Isolators.
2.4 Does Isolation of an Object from the Base Always Lead to a Reduction in the Shock Load Transmitted to the Object?.
REFERENCES.
Chapter 3 BASIC OPTIMAL SHOCK ISOLATION: SINGLE DEGREE OF FREEDOM SYSTEMS.
3.1 Basic Problems.
3.1.1 Mechanical model. Equation of motion.
3.1.2 Performance criteria.
3.1.3 Statements of the optimal shock isolation problems.
3.1.4 Reciprocity (duality) of optimization problems.
3.2 Limiting Performance Analysis: Basic Concept and Analytical Results.
3.2.1 Basic concept.
3.2.2 Shock pulses with one excursion beyond the upper bound allowed for the control force. Constant force deceleration.
3.2.3 Limiting performance curve.
3.3 Limiting Performance Analysis: Computational Approach.
3.3.1 Discretization of the Equation of Motion and the Performance Criteria.
3.3.2 Numerical solution of Problem 3.1.
3.3.3 Numerical Solution of Problem 3.2.
3.4 Parametric Optimization.
3.4.1 Basic concepts. Problem definitions.
3.4.2 Parametric optimization of power-law isolators for an instantaneous shock pulse.
3.5 Pre-acting Control for Shock Isolators.
3.5.1 Basic concept. Statements of the problems.
3.5.2 Limiting performance analysis. Instantaneous shock.
3.5.3 Parametric optimization of a pre-acting shock isolator.
3.6 Best and Worst Disturbance Analyses.
3.6.1 Basic concept. Statement of the optimal control problems.
3.6.2 Best and worst disturbance analyses for a system with a linear spring-and-dashpot isolator.
3.6.3 Rational design of sled test standards.
REFERENCES.
Chapter 4.
OPTIMAL SHOCK ISOLATION FOR MULTI DEGREE OF FREEDOM SYSTEMS.
4.1 Optimal Shock Isolation for a Two-Component.
Viscoelastic Object.
4.1.1 Statement of the problem.
4.1.2 Rigid body model.
4.1.3 Construction of the optimal control for the two-body model based on the optimal control for the rigid model.
4.1.4 Near-optimal control for the two-body model based on the optimal control for the rigid model.
4.1.5 Constant-force control versus the optimal control.
4.2 Optimal Shock Isolation for Three-Component Structures.
4.2.1 Introduction.
4.2.2 Shock isolation of a rigid object.
4.2.3 Shock isolation of a multi-body object.
REFERENCES.
Chapter 5 SPINAL INJURY CONTROL.
5.1 Description of the Model.
5.2 Minimization of the Occupant’s Displacement subject to a Constraint Imposed on the Spinal.
Compressive Force.
5.2.1 Statement of the problem.
5.2.2 Solution.
5.2.3 Trade-off curve. Reciprocal problem.
5.2.4 Maximum spinal compressive force in the absence of a shock isolator.
5.3 Spinal Injury Control System with two Shock Isolators.
5.4 MADYMO Simulation for the Limiting Performance Analysis.
5.4.1 Model configuration and statement of the problem.
5.4.2 Solution procedure.
5.4.3 Conclusions.
REFERENCES.
Chapter 6 THORACIC INJURY CONTROL.
6.1 Smart Restraint Systems.
6.2 Basic Concept of Restraint Force Control.
6.2.1 Model description.
6.2.2 Limiting performance.
6.2.3 Passive linear elastic isolator.
6.2.4 Linear elastic isolator with controlled tension.
6.2.5 Sensitivity analysis of the open-loop control of the attachment.
6.2.6 Feedback control for the attachment point motion.
6.3 Limiting Performance Analysis for the Prevention of Thoracic Injuries in a Frontal Car Crash.
6.3.1 Thoracic injury model and criteria.
6.3.2 Statement of the problem.
6.3.3 Solution plan. An auxiliary problem.
6.3.4 Numerical results.
6.4 Feedback Control of the Elastic Restraint Force on the Basis of the Two-mass Thorax Injury Model.
6.4.1 Determination of the optimal motion of the restraint attachment point.
6.4.2 Sensitivity analysis.
6.4.3 Feedback control of the restraint force.
6.4.4 Constant force control.
6.5 Conclusions.
REFERENCES.
Chapter 7 HEAD INJURY CONTROL.
7.1 Head Injury Criterion: Historical Perspectives.
7.2 Minimization of the Deceleration Distance for Constrained HIC.
7.2.1 Statement of the optimal control problem.
7.2.2 Construction of the solution.
7.2.3 Analysis and discussion of the results.
7.3 Minimization of the HIC for Constrained Deceleration Distance.
7.4 Alternative Control Laws.
7.4.1 Constant force deceleration.
7.4.2 Power-law deceleration.
7.4.3 Comparison of the optimal and alternative control laws.
REFERENCES.
Chapter 8 INJURY CONTROL FOR WHEELCHAIR OCCUPANTS.
8.1 Introduction.
8.2 Optimal Shock Isolation of Single-Degree-of-Freedom System.
8.2.1 Mathematical model.
8.2.2 Optimal control.
8.3 Simulation Using MADYMO.
8.3.1 Model structure and parameters.
8.3.2 Goals of simulation.
8.3.3 Response criteria.
8.3.4 Simulation technique.
8.3.5 Input data.
8.3.6 Results.
8.4 Discussion.
REFERENCES.
INDEX.
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George F Breen III
reviewed Injury Biomechanics and Control: Optimal Protection from Impact on July 29, 2018 Injury Biomechanics and Control: Optimal Protection from Impact
I am incredibly sensitive to noise. I have, on more than one occasion, walked out of a grocery store mid-trip, a half-filled cart left in an aisle (never with refrigerated items, of course), because the blaring music and announcements were too much and I Had To Leave Right Away Before I Killed Someone. My expectations for this book, then, were quite high: I wanted a diagnosis and actionable solutions for the Problem Of Noise. It was a little light on these.
In Pursuit of Silence is a style of book I very much enjoy reading, part investigative journalism that involves the author seeking out people whom s/he otherwise would not have met in the interest of a particular topic. Here, this includes Trappist monks in an Iowa monastery; boom car creators and contestants in Florida; several scientists; an astronaut; a noise-proofing convention, and others. This alone makes for a worthwhile read.
Stylistically, I felt the exploration meandered for too long. Like any complex issue, social or otherwise, there is no single answer, but the exploratory style left me yearning for the One True Way by the end, some sort of holy grail of a solution to noise pollution. I am keenly aware of how unrealistic an expectation this is to place on the author, but I yearned for some sort of conclusion that never really came.
The author's recommendations on ways to address noise pollution (designated silent areas) are reasonable and realistic, but felt small and light after sections of the book that describe the severity of the issue. The history of attempted (and mostly failed) past solutions to noise pollution did, however, convince me that reasonable measures are probably the best to hope for... so it'll be the cabin in the woods for me!
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Add Injury Biomechanics and Control: Optimal Protection from Impact, With this book as their guide, readers will discover how to design better protective equipment and devices such as helmets, seat belts, and wheelchairs in order to minimize the risk or the extent of injury to people subjected to impact loads. It is based , Injury Biomechanics and Control: Optimal Protection from Impact to the inventory that you are selling on WonderClubX
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Add Injury Biomechanics and Control: Optimal Protection from Impact, With this book as their guide, readers will discover how to design better protective equipment and devices such as helmets, seat belts, and wheelchairs in order to minimize the risk or the extent of injury to people subjected to impact loads. It is based , Injury Biomechanics and Control: Optimal Protection from Impact to your collection on WonderClub |
