Learn · Compliant Mechanisms: Principles and Design
Lecture 37 of 71Week 7 Spring-lever (SL) and spring-mass-lever (SML) models for compliant mechanisms, and selection maps
Feasibility maps for compliant mechanisms
Prof. G. K. Ananthasuresh · IISc Bangalore
Credits and licence
- From
- Compliant Mechanisms: Principles and Design, IISc Bangalore (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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All the lectures
- Overview
- Spirit of compliant design
- A glimpse of applications
- Mobility and degrees of freedom in compliant mechanisms
- Maxwell’s rule and Grübler’s formula
- Using compatibility and force equilibrium matrices to identify degrees of freedom and states of self-stress in trusses
- Empirical formula for flexure joints
- Types of elastic pairs (flexures)
- Linear finite element analysis of compliant mechanisms with beam elements
- A compliant mechanism kit
- Linear and nonlinear finite element analyses using continuum elements
- Subtleties in finite element analysis: geometric nonlinearity and contact
- Deformation of a cantilever under a tip-load, using elliptic integrals
- Elliptic integrals and their use in elastica analysis
- Frisch-Fay’s approach to large deformation of beam
- Burns-Crossley’s kinematic model
- Howell-Midha’s elastic model
- Putting together the pseudo rigid-body model
- Modeling a partially compliant mechanism
- Kinematic coefficients of a four-bar linkage with and without springs
- Solving equations of PRB modeling and comparing with finite element analysis
- Loop-closure equations for PRB models of compliant mechanisms
- Burmester theory for compliant mechanisms
- PRB-based Synthesis Examples
- Structural optimization approach
- Early works on design for compliance
- Design for deflection of trusses
- Design for deflection of beams and frames
- Design of elastic continua for desired deflection
- Continuum element-based topology optimization of compliant mechanisms
- YinSyn; synthesis of nonlinear responses with compliant mechanisms
- Five different formulations for compliant mechanism design and some benchmark problems
- How to achieve distributed compliance
- Shape optimization
- Cam-flexure clamp-case-study
- SL model for compliant mechanisms
- Feasibility maps for compliant mechanisms
- Selection of compliant mechanisms for given user-specifications
- Two case-studies using feasibility maps technique
- SML model for compliant mechanisms for dynamic response
- Re-design of compliant mechanisms; Matlab and Java codes
- Non-dimensional analysis of beams
- Deformation index and slenderness ratio of compliant mechanisms
- Kinetoelastostatic maps
- Designing with kinetoelastic maps
- Non-dimensinalization of stress, frequency, and other measures
- Designing compliant suspensions using kinetoelastic maps
- Instant centre method for designing compliant mechanisms
- Stiffness and compliance ellipsoids
- Building block method of designing compliant mechanisms
- Comparative analysis of different methods for designing compliant mechanisms
- Aspects of Mechanical advantage of compliant mechanisms
- Mechanical advantage of rigid-body and compliant mechanisms
- Bistability in elastic systems
- Analysis of bistable arches
- Compliant mechanisms with bistable arches
- Static balancing and zero-free-length springs
- Static balance of a compliant mechanism using a linkage
- Static balancing method for compliant mechanisms
- A catalogue of compliant mechanisms
- Compliant suspension mechanism in microsystems (MEMS)
- Micromechanical signal processors using compliant mechanisms
- A few special concepts of compliant mechanisms
- Materials and prototyping of compliant mechanisms
- Summary of the course
- Micromachined accelerometers with Displacement-amplifying Compliant Mechanisms (DaCMs)
- Miniature compliant mechanisms as cell-manipulation tools
- Micro-newton force sensor
- Compliant tissue cutting mechanism
- A compliant pipe-crawling robots
- A compliant easy-chair for the elderly