目录
第1章概论
1.1自激振动与周期运动
1.2自振的形成机制
1.3自振系统的数学模型
1.4全书内容的简要说明
参考文献
第一部分自治常微方程的分析方法
第2章研究自振的几何方法
2.1相平面和相轨迹
2.2保守系统的相平面
2.3非保守系统的相平面
2.4等倾线法
2.5稳定极限环与自振
2.6自振的时间历程与系统参数
2.7自治系统平衡稳定与自振
2.8逐点变换法
参考文献
第3章稳定性方法
3.1李普诺夫稳定性
3.2线性动态系统稳定性的代数判据
3.3临界稳定系统
3.4结构稳定性和霍普夫分岔
3.5线性动态系统稳定性的频率判据
3.6完整力学系统稳定性的二次型判据
参考文献
第4章研究自振的解析方法
4.1二阶自治系统的摄动法
4.2二阶自治系统的平均法
4.3中心流形和霍普夫分岔定理
参考文献
第5章闭环控制系统的研究方法
5.1功能框图和典型环节
5.2传递函数框图
5.3线性闭环系统平衡稳定的频率判据
5.4非线性闭环系统绝对稳定的频率判据
5.5描述函数法
5.6线性动力学系统的二次型最优控制
参考文献
第二部分工程领域的各类自振
第6章摩擦力激励的自振
6.1摩擦力的数学模型
6.2机械系统的颤动现象
6.3机械系统的追逐现象
6.4摩擦力引起的非对称惯性耦合
参考文献
第7章转向轮摆振
7.1滚动状态的轮胎力
7.2点接触理论
7.3转向轮摆振
7.4汽车前桥系统摆振
参考文献
第8章转子涡动
8.1转子平行涡动运动学
8.2转子平行涡动的物理条件
8.3转子涡动的原动力
8.4转子油膜涡动
8.5同步涡动和超临界涡动
8.6转子涡动的若干非线性现象
参考文献
第9章流体激励的自振
9.1结构涡振
9.2悬伸输流圆管颤振
9.3二元机翼的经典颤振
9.4挠性结构失速颤振
9.5挠性结构驰振
9.6管群流体弹性失稳
参考文献
第10章非线性闭环控制系统的自振
10.1开关控制的恒温室
10.2机电型位置伺服系统的自振
10.3液压伺服系统的自振
参考文献
第三部分自振的通用研究方法
第11章自振系统的数学模型及其主动控制
11.1自振形成机制与正负反馈交替
11.2功能框图和传递函数框图
11.3自振原动力的数学描述
11.4主振体的运动方程
11.5主振体的离散数学模型
11.6自振系统的主动控制
参考文献
索引ContentsContents
Chapter 1Introduction1
1.1SelfExcited Vibration and Periodic Motion1
1.2Interior Mechanism of SelfExcited Vibration7
1.3Mathematical Model of SelfExcited Vibration Systems9
1.4Outline of This Book11
Refferences12
PART ⅠANALYSING METHODS FOR
AUTONOMOUS ORDINARY DIFFERENTIAL EQUATIONSChapter 2Geometric Methods15
2.1Phase Plane and Phase Trajectory15
2.2Phase Plane of Conservative System16
2.3Phase Plane of Nonconservative System18
2.4Isoclinic Method21
2.5Stable Limited Cycle and SelfExcited Vibration22
2.6Time History of SelfExcited Vibration System and Its
Parameters25
2.7Equilibrium Stability of Autonomic System and SelfExcited
Vibration27
2.8Point by Point Transformation Method29
Refferences33
Chapter 3Stability Method34
3.1Lyapunov Stability34
3.2Algebraic Criterion of Linear System Stability36
3.3Critical Stable Systems38
3.4Structual Stability and Hopf Bifurcation41
3.5Frequency Criterion of Linear System Stability45
3.6Quadratic Form Criterion of Holonomic System Stability48
Refferences51
Chapter 4Analytic Methods for Approaching SelfExcited
Vibration52
4.1Perturbation Method of Autonomic Second Order System52
4.2Averaging Method of Autonomic Second Order System56
4.3Center Manifold and Hopf Bifurcation Theorem59
Refferences73
Chapter 5Approaching Methods of ClosedLoop Control Systems74
5.1Functional Block and Typical Element74
5.2Transfer Function Block78
5.3Frequency Criterion of Linear ClosedLoop Control Systems80
5.4Frequency Criterion of Nonlinear ClosedLoop Control
Systems84
5.5Describing Function Method87
5.6Quadratic Form Optimal Control of Linear Dynamic Systems91
Refferences95
PART ⅡVARIETY OF SELFEXCITED VIBRATIONS
IN ENGINEERING FIELDChapter 6FrictionInduced SelfExcited Vibration99
6.1Mathematical Model of Friction Force99
6.2Chattering of Mechanical System103
6.3Hunting of Mechanical System107
6.4Nonsymmetric Inertial Coupling from Friction113
Refferences119
Chapter 7Shimmy of Steering Wheel121
7.1Tyre Force under Rolling State121
7.2Point Contact Theory125
7.3Shimmy of Steering Wheel128
7.4Shimmy of Front Axle System of Automobile132
Refferences137
Chapter 8Rotor Whirl139
8.1Kinematics of Rotor Parallel Whirl139
8.2Physical Condition of Rotor Parallel Whirl142
8.3Motive Force of Rotor Whirl144
8.4Oil Whirl of Rotor153
8.5Synchronized Whirl and Supercritical Whirl161
8.6Some Nonlinear Phenomenon of Rotor Whirl165
Refferences172
Chapter 9FlowInduced SelfExcited Vibration174
9.1VortexInduced Vibration of Structure174
9.2Flutter of Tubular Cantilever Conveying Fluid186
9.3Classic Flutter of Two Dimensional Wing194
9.4Stalling Flutter of Flexible Structure198
9.5Galloping of Flexible Structure203
9.6Fluid Elastic Dynamic instability of Tube Groups212
Refferences218
Chapter 10SelfExcited Vibration of Nonlinear ClosedLoop
Control Systems221
10.1Thermostat With BangBang Control221
10.2SelfExcited Vibration of Positional Servo System224
10.3SelfExcited Vibration of Hydraulic Servo System231
Refferences242
PART ⅢA GENERAL METHOD FOR STUDYING
ANY TYPE OF SELFEXCITED VIBRATIONChapter 11Mathematical Model and Its Active Control of SelfExcited
Vibration System245
11.1Excitation Mechanism of SelfExcited Vibration and Switch of
positive and negative feedback 245
11.2Functional Block and Transfer Function Block248
11.3Mathematical Description of Motive Force253
11.4Motion Equation of Main Vibratory Body257
11.5Discrete Mathematical Model of Main Vibratory Body264
11.6Active Control of SelfExcited Vibration Systems272
Refferences278
Synoptics281