Relevant bibliographies by topics / Straight-Line Mechanism

Contents

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

Academic literature on the topic 'Straight-Line Mechanism'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Straight-Line Mechanism.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Straight-Line Mechanism"

1

Lu, Shengnan, Dimiter Zlatanov, Xilun Ding, and Rezia Molfino. "A novel prism deployable mechanism based on straight-line mechanism." International Journal of Mechanisms and Robotic Systems 1, no. 2/3 (2013): 185. http://dx.doi.org/10.1504/ijmrs.2013.057187.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Hricko, Jaroslav. "Straight-Line Mechanisms as One Building Element of Small Precise Robotic Devices." Applied Mechanics and Materials 613 (August 2014): 96–101. http://dx.doi.org/10.4028/www.scientific.net/amm.613.96.

Full text
Abstract:
Small precise robotic devices, working on principle of compact compliant mechanisms, must meet the conditions to high positioning accuracy what mean moving in straight-line too. But, compliant mechanisms are usually produced by equivalent of revolute joints, therefore in design of small robotic devices is necessary apply knowledge from design of one type of specialized mechanisms – straight-line mechanisms. This paper presents some straight-line mechanism and its applications to design of some small precise robotic devices. According to kinematics analysis most known straight-line mechanisms are evaluated for their application in compliant mechanisms. Such devices are transformed to flexure structures. Consequently, these devices are important building blocks to design some linear-motion stages and/or micro-grippers.
APA, Harvard, Vancouver, ISO, and other styles
3

Gopal, V., M. S. Alphin, and R. Bharanidaran. "Design of Compliant Mechanism Microgripper Utilizing the Hoekens Straight Line Mechanism." Journal of Testing and Evaluation 49, no. 3 (July 12, 2019): 20190091. http://dx.doi.org/10.1520/jte20190091.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Yin, Lai Rong, Jian You Han, and Tong Yang. "A Synthesis and Optimal Method for Straight Line Mechanism with Burmester Points." Advanced Materials Research 199-200 (February 2011): 1240–43. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.1240.

Full text
Abstract:
When a Burmester point coincides with the Ball point at the inflection circle pole, given a fixed joint and the point, which is on the expecting straight-line and direction can synthesize an infinite number of mechanisms with coupler curve having a five-point contacts with its tangent, namely, Burmester point. Any displacement is corresponding to three four-bar straight-line linkages with the synthesis formulations given. The property charts, which include the bar ratio, the sum of bars, the relative straight-line length, mechanism types, and so on, are drawn by developing a mechanism software based on vc++6.0 with the solution region method. So the users can find out the involved linkages information intuitively, and also the aimlessness in choosing optimal mechanisms is avoided effectively.
APA, Harvard, Vancouver, ISO, and other styles
5

Kota, Sridhar, Arthur G. Erdman, and Donald R. Riley. "Development of Knowledge Base for Designing Linkage-Type Dwell Mechanisms: Part 1—Theory." Journal of Mechanisms, Transmissions, and Automation in Design 109, no. 3 (September 1, 1987): 308–15. http://dx.doi.org/10.1115/1.3258795.

Full text
Abstract:
Linkage-type mechanisms have certain advantages over cams for dwell applications. The design of a typical six-link dwell mechanism involves adding an output dyad to the basic four-bar mechanism that generates either a circular arc or a straight line portion of the coupler curve. The entire motion characteristics of these four-bar mechanisms should be considered in order to design a suitable dwell linkage. Part 1 of this paper is devoted to the study of four-bar linkages which generate straight line, circular arc and symmetrical curves. Part 2 discusses how the design experience gained in this study can be applied to develop an expert system for designing linkage-type dwell mechanisms. Using path curvature theory and design charts developed by Tesar, et al., hundreds of four-bar straight-line mechanisms are systematically investigated. Based on the typical shapes of coupler curves these mechanisms are then classified. A synthesis technique has been developed to design four-bar mechanisms for circular arc generation. Symmetrical coupler curves with straight-line or circular-arc segments, which are required for designing double-dwell mechanisms, are studied. This paper is part of the research that is underway to develop an “expert system” for designing mechanisms to generate straight lines, circular arcs, symmetrical curves, parallel motion and dwell.
APA, Harvard, Vancouver, ISO, and other styles
6

Yin, Lairong, Long Huang, Juan Huang, Peng Xu, Xuejun Peng, and Peng Zhang. "Synthesis Theory and Optimum Design of Four-bar Linkage with Given Angle Parameters." Mechanical Sciences 10, no. 2 (November 15, 2019): 545–52. http://dx.doi.org/10.5194/ms-10-545-2019.

Full text
Abstract:
Abstract. In this paper, a synthesis method is proposed for the 5-point-contact four-bar linkage that approximates a straight line with given angle parameters. The given parameters were the angles and the location of the Ball point. Synthesis equations were derived for a general Ball–Burmester point case, the Ball–Burmester point at an inflection pole, and the Ball point that coincided with two Burmester points, resulting in three respective groups of bar linkages. Next, taking Ball–Burmester point as the coupler point, two out of the three bar-linkage combinations were used to generate three four-bar mechanisms that shared the same portion of a rectilinear trajectory. Computation examples were presented, and nine cognate straight-line mechanisms were obtained based on the Roberts-Chebyshev theory. Considering that the given parameters were angles which was arbitrarily chosen, with the other two serving as the horizontal and vertical axes, so the solution region graphs of the solutions for three mechanism configurations were plotted. Based on these graphs, the distribution of the mechanism attributes was obtained with high efficiency. By imposing constraints, the optimum mechanism solution was straightforwardly identified by the designers. For the angular parameters prescribed in this paper, the solutions for three straight-line mechanism configurations were obtained, along with nine cognate straight-line mechanisms that shared the same portion of the rectilinear trajectory. All the fixed pivot installation locations and motion performances differed, thus providing multiple solutions to the trajectory of the synthesis of mechanisms.
APA, Harvard, Vancouver, ISO, and other styles
7

Boyan, CHANG, YANG Shuai, JIN Guoguang, ZHANG Zhuan, and ZHU Yongjie. "Motion Analysis of Spatial Deployable Mechanism Driven in Straight Line." Journal of Mechanical Engineering 56, no. 5 (2020): 192. http://dx.doi.org/10.3901/jme.2020.05.192.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Pharate, V. V. "Kinematic Synthesis And Optimum Selection Of Planar Straight Line Mechanism." IOSR Journal of Mechanical and Civil Engineering 17, no. 01 (March 2017): 06–10. http://dx.doi.org/10.9790/1684-17010020610.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Hu, A. P., De Jun Kong, and W. Zhu. "Study on Synthesis of Hinged Four-Bar Linkage Straight-Line Mechanism Using Three Symmetric Points." Key Engineering Materials 426-427 (January 2010): 330–33. http://dx.doi.org/10.4028/www.scientific.net/kem.426-427.330.

Full text
Abstract:
Based on the fact that symmetric coupler curve can have three different tangent points with given straight-line, the three symmetric points of coupler locus was specified, and they was made into symmetric tangent points to determine the position of instant centre method. The size of the hinged four-bar linkage straight-line mechanism is determined using the position of instant centre method. The results were shown that coupler locus curve is obtained with this approach that is approximated with the intended straight-line precisely, and the basis of this approach is simpler than other analytic approaches.
APA, Harvard, Vancouver, ISO, and other styles
10

Yae, Kazuo. "Application of Straight-Line Motion Mechanism to the Oar Motion Mechanism of Rowing Boat." Journal of the Japan Society of Naval Architects and Ocean Engineers 6 (2007): 281–87. http://dx.doi.org/10.2534/jjasnaoe.6.281.

Full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Straight-Line Mechanism"

1

Hawks, Jeffrey C. "A Variable-Stiffness Compliant Mechanism for Stiffness-Controlled Haptic Interfaces." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4356.

Full text
Abstract:
In this research a variable-stiffness compliant mechanism was developed to generate variable force-displacement profiles at the mechanisms coupler point. The mechanism is based on a compliant Roberts straight-line mechanism, and the stiffness is varied by changing the effective length of the compliant links with an actuated slider. The variable-stiffness mechanism was used in a one-degree-of-freedom haptic interface to demonstrate the effectiveness of varying the stiffness of a compliant mechanism. Unlike traditional haptic interfaces, in which the force is controlled using motors and rigid links, the haptic interface developed in this work displays haptic stiffness via the variable-stiffness compliant mechanism. The force-deflection behavior of the mechanismwas analyzed using the Pseudo-Rigid Body Model (PRBM), and two key parameters, KQ and g,were optimized using finite element analysis (FEA) to match the model with the behavior of the device. One of the key features of the mechanism is that the inherent return-to-zero behavior of the compliant mechanism was used to provide the stiffness feedback felt by the user. A prototype haptic interface was developed capable of simulating the force-displacement profile of Lachmans Test performed on an injured ACL knee. The compliant haptic interface was capable of displaying stiffnesses between 4200 N/m and 7200 N/m.
APA, Harvard, Vancouver, ISO, and other styles
2

Knabe, Coleman Scott. "Design of Linear Series Elastic Actuators for a Humanoid Robot." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/53511.

Full text
Abstract:
Series elastic actuators (SEAs) have numerous benefits for force controlled robotic applications. This thesis presents the design and assembly of a set of compact, lightweight, low-friction linear SEAs for the legs of the Tactical Hazardous Operations Robot (THOR). The THOR SEA pairs a ball screw driven linear actuator with a configurable titanium leaf spring. A removable pivot changes the effective cantilever length, setting the compliance to either 372 or 655 kN/m. Unlike typical SEAs which measure actuator load through spring deflection, an in-line axial load cell directly measures actuator forces up to the commandable peak of 2225 N. The continuous operating range of the actuator is computed, along with an evaluation of the range of motion and torque profiles for the parallel hip and ankle joints. With a focus on a large power-to-weight ratio and small packaging size, the THOR SEAs are well-suited for accurate torque control of the parallel joints on the robot. Linearly actuated joints, especially ones driven through a crank arm, tend to suffer from a loss of mechanical advantage toward the ends of its limited range of motion. To augment the range of motion and mechanical advantage profile on THOR, an inverted Hoeken's linkage straight line mechanism is paired with a linear SEA at the hip and knee pitch joints on the robot. The resulting linkage assembly is capable of delivering nearly constant peak torque of 115 Nm across its 150 degree range of motion. The mechanical advantage profile of the Hoeken's linkage actuator is computed for the nominal case, as well the deviation resulting from maximum deflection of the titanium beam.
Master of Science
APA, Harvard, Vancouver, ISO, and other styles
3

Riutort, Kevin T. "Applied design and implementation of straight-line mechanisms." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-09182008-063202/.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Natesan, Arun K. "Kinematic analysis and synthesis of four-bar mechanisms for straight line coupler curves /." Online version of thesis, 1994. http://hdl.handle.net/1850/11785.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

HOFFMAN, Jan. "Rovinné mechanismy." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-153292.

Full text
Abstract:
This work thesis is dealing with planar mechanisms. It?s concentrated on definition the topic, enumeration methods of mathematical description of mechanisms and occasion of simulation with usage information technology. It?s going mainly on GeoGebra program, in which were created most of schemes and models mechanisms. Created models are recorded on attached CD. Important charter of this theses are mechanisms used to draving planar curves, ending with mechanisms used to drawing straight line.
APA, Harvard, Vancouver, ISO, and other styles
6

Yan, Shan Shun, and 顏山舜. "Computer Aided Design of Planar straight-line mechanisms with specific direction." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/60404480435855115399.

Full text
Abstract:
碩士
國立清華大學
動力機械學系
81
A new method of designing straight-line mechanisms based on curvature theory and instantaneous invariants is discussed. Previously it has been shown that all of the potential solutions to a given synthesis problem may be represented in a solution plane. One precision position with the direction of the coupler point and the length of straight line have been used as constraints for generating this plane which can be subdivided into mechanism types, then the feasible regions on the plane can be found. Characteristics such as branch defect must be also considered. The techniques for automatic synthesis have been implemented in an interactive computer program. A numerical example of applying the program to an actual straight- line problem is provided to illustrate the procedure in detail.
APA, Harvard, Vancouver, ISO, and other styles
7

Huang, Hsin-Ting, and 黃芯庭. "Design of Constant-Force Mechanisms Using Straight-Line Linkages: Application for Robotic Grippers." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/22z8xr.

Full text
Abstract:
碩士
國立臺灣科技大學
機械工程系
107
Scott-Russell’s and Hart’s straight-line linkages are two special straight-line mechanisms that can generate accurate straight-line trajectories. This paper presents two novel constant-force mechanisms based on these two straight-line linkages. Each of the proposed designs is made by a straight-line linkage and two springs. By articulating either two compression springs or one compression spring with another one tension spring onto the linkage, the linkage can generate constant force(s) at the point(s) tracing straight-line trajectories. The proposed design is featured by: (1) It is a perfect constant-force mechanism in theory; (2) It uses practical springs, i.e., use of the ideal zero-free-length springs is avoided; (3) The springs can be installed on any positions along the straight-line trajectories; (4) The constant-force can be adjusted by changing the preload of one of the springs. Accordingly, we further developed a constant-force robotic gripper based on the proposed Scott-Russell constant-force mechanism. To validate the gripper design, the constant gripping force was simulated in MSC ADAMS. And, a prototype of the robotic gripper was constructed, for which the stability and accuracy of the constant force are tested based on different spring stiffness, gripper velocities and spring pre-tensions. The result shows that the grasping force can remain constant effectively for about 3.5 mm gripper motion range within a designated constant-force range of 5 mm.
APA, Harvard, Vancouver, ISO, and other styles

Books on the topic "Straight-Line Mechanism"

1

Deruelle, Nathalie, and Jean-Philippe Uzan. Lagrangian mechanics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0008.

Full text
Abstract:
This chapter shows how the Newtonian law of motion of a particle subject to a gradient force derived from a ‘potential energy’ can always be obtained from an extremal principle, or ‘principle of least action’. According to Newton’s first law, the trajectory representing the motion of a free particle between two points p1 and p2 is a straight line. In other words, out of all the possible paths between p1 and p2, the trajectory effectively followed by a free particle is the one that minimizes the length. However, even though the use of the principle of extremal length of the paths between two points gives the straight line joining the points, this does not mean that the straight-line path is traced with constant velocity in an inertial frame. Moreover, the trajectory describing the motion of a particle subject to a force is not uniform and rectilinear.
APA, Harvard, Vancouver, ISO, and other styles
2

How to draw a straight line: A lecture on linkages. London: Macmillan and Co., 1994.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Mercati, Flavio. Newton’s Bucket. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789475.003.0002.

Full text
Abstract:
This chapter describes the fundamental problem at the core of Newton’s dynamics: the definition of inertia. This is provided by an absolute structure in Newtonian mechanics, but, as Leibniz and later Mach argued, it should be dynamically determined. This is the core of Newton’s famous ‘bucket experiment’. Assuming this law as a postulate, without first defining the notions of ‘rest’, ‘uniform motion’ and ‘right (or straight) line’, is inconsistent. In a universe that is, in Barbour’s words, like ‘bees swarming in nothing’, how is one to talk about rest/uniform motion/straight lines? With respect to what? The problem is that of establishing a notion of equilocality: in an everchanging universe, what does it mean for an object to be at the same place at dierent times?
APA, Harvard, Vancouver, ISO, and other styles
4

Huffaker, Ray, Marco Bittelli, and Rodolfo Rosa. Phase Space Reconstruction. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782933.003.0003.

Full text
Abstract:
In this chapter we introduce an important concept concerning the study of both discrete and continuous dynamical systems, the concept of phase space or “state space”. It is an abstract mathematical construction with important applications in statistical mechanics, to represent the time evolution of a dynamical system in geometric shape. This space has as many dimensions as the number of variables needed to define the instantaneous state of the system. For instance, the state of a material point moving on a straight line is defined by its position and velocity at each instant, so that the phase space for this system is a plane in which one axis is the position and the other one the velocity. In this case, the phase space is also called “phase plane”. It is later applied in many chapters of the book.
APA, Harvard, Vancouver, ISO, and other styles

Book chapters on the topic "Straight-Line Mechanism"

1

Tarabarin, Valentin, Z. Tarabarina, and D. Chirkina. "Designing, Analysis and Computer Modeling of Straight-Line Mechanisms." In History of Mechanism and Machine Science, 551–63. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4132-4_38.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Shiwalkar, P. B., S. D. Moghe, J. P. Shiwalkar, and J. P. Modak. "Inflection Circle Based Approach to Synthesis of Approximate Straight Line Mechanisms." In Advances in Mechanism and Machine Science, 1557–66. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_154.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Sousa, João, Joel Galvão, José Machado, João Mendonça, Toni Machado, and Pedro Vaz Silva. "Mechatronic System Using a Straight-Line Motion Mechanism for AGV Application." In Innovation, Engineering and Entrepreneurship, 284–91. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91334-6_39.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Hricko, Jaroslav, and Stefan Havlik. "Design of the 2 D.o.F Compliant Positioning Device Based on the Straight-Line Watt’s Mechanisms." In Mechanism Design for Robotics, 247–55. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75271-2_26.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Dijksman, Evert A., and Anton T. J. M. Smals. "The Inverted Slider-Crank Used for the Design of an Approximated Straight-Line Mechanism." In Solid Mechanics and Its Applications, 103–11. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0333-6_11.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Mo, Xiaojuan, Wenjie Ge, Shaocong Wang, and Donglai Zhao. "Mechanical Design and Dynamics Simulation of Locust-Inspired Straight Line Four-Bar Jumping Mechanism." In Lecture Notes in Electrical Engineering, 429–42. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2875-5_36.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Zhang, Xuetao. "Modeling the Directivity of Wheel/Rail Radiation Using a Circular/Straight Line of Perpendicular Dipole Pairs." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 143–50. Tokyo: Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-53927-8_17.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Schmickler, Wolfgang. "Selected experimental results for electron-transfer reactions." In Interfacial Electrochemistry. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195089325.003.0013.

Full text
Abstract:
Innumerable experiments have been performed on both inner- and outer-sphere electron-transfer reactions. We do not review them here, but present a few results that are directly relevant to the theoretical issues raised in the preceding chapters. The Butler-Volmer equation (5.10) predicts that for |η| > kT/e0 a plot of the logarithm of the current versus the applied potential (Tafel plot) should result in a straight line, whose slope is determined by the transfer coefficient α. Because of the dual role of the transfer coefficient (see Section 5.2), it is important to verify that the transfer coefficient obtained from a Tafel plot is independent of temperature. We shall see later that proton- and ion-transfer reactions often give straight lines in Tafel plots, too, but the apparent transfer coefficient obtained from these plots can depend on the temperature, indicating that these reactions do not obey the Butler-Volmer law. In order to test the temperature independence of the transfer coefficient, Curtiss et al. investigated the kinetics of the Fe2+/Fe3+ reaction on gold in a pressurized aqueous solution of perchloric acid over a temperature range from 25° to 75°C. In the absence of trace impurities of chloride ions, this reaction proceeds via an outer sphere mechanism with a low rate constant (k0 ≈ 10-5 cm s-1 at room temperature). Figure 8.1 shows the slope of their Tafel plots, d(lni)/dη, as a function of the inverse temperature 1/T. The Butler-Volmer equation predicts a straight line of slope αe0/k, which is indeed observed. Over the investigated temperature range both the transfer coefficient and the energy of activation are constant: α = 0.425 ± 0.01 and Eact = 0.59± 0.01 eV at equilibrium, confirming the validity of the Butler-Volmer equation in the region of low overpotentials, from which the Tafel slopes were obtained. The phenomenological derivation of the Butler-Volmer equation is based on a linear expansion of the Gibbs energy of activation with respect to the applied overpotential. At large overpotentials higher-order terms are expected to contribute, and a Tafel plot should no longer be linear.
APA, Harvard, Vancouver, ISO, and other styles
9

Kotkin, Gleb L., and Valeriy G. Serbo. "Oscillations of linear chains." In Exploring Classical Mechanics, 41–44. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198853787.003.0007.

Full text
Abstract:
This chapter addresses chain of particles connected by springs as the simplest models used in theory of solids, the travelling and standing waves on a chain, and the free and forced oscillations of N particles which are connected by springs and which can move either along a straight line or along a ring. The chapter also addresses the free and forced oscillations of 2N particles, alternating either with masses or with elastic constants; the free and forced oscillations of the artificial line with inductances and capacitors; and the elastic rod as the limiting case of the system of N particles connected by spring in the limit N tends to infinity.
APA, Harvard, Vancouver, ISO, and other styles
10

Kotkin, Gleb L., and Valeriy G. Serbo. "Oscillations of linear chains." In Exploring Classical Mechanics, 245–64. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198853787.003.0020.

Full text
Abstract:
This chapter addresses chain of particles connected by springs as the simplest models used in theory of solids, the travelling and standing waves on a chain, and the free and forced oscillations of N particles which are connected by springs and which can move either along a straight line or along a ring. The chapter also addresses the free and forced oscillations of 2N particles, alternating either with masses or with elastic constants; the free and forced oscillations of the artificial line with inductances and capacitors; and the elastic rod as the limiting case of the system of N particles connected by spring in the limit N tends to infinity.
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Straight-Line Mechanism"

1

Hawks, Jeffrey C., Mark B. Colton, and Larry L. Howell. "A Variable-Stiffness Straight-Line Compliant Mechanism." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46650.

Full text
Abstract:
In this research a variable-stiffness compliant mechanism was developed to generate variable force-displacement profiles at the mechanism’s coupler point. The mechanism is based on a compliant Robert’s straight-line mechanism, and the stiffness is varied by changing the effective length of the compliant links with an actuated slider. The force-deflection behavior of the mechanism was analyzed using the Pseudo-Rigid Body Model (PRBM), and two key parameters, KΘ and γ, were optimized using finite element analysis (FEA) to match the model with the measured behavior of the mechanism. The variable-stiffness mechanism was used in a one-degree-of-freedom haptic interface (force-feedback device) to demonstrate the effectiveness of varying the stiffness of a compliant mechanism. Unlike traditional haptic interfaces, in which the force is controlled using motors and rigid links, the haptic interface developed in this work displays haptic stiffness via the variable-stiffness compliant mechanism. One of the key features of the mechanism is that the inherent return-to-zero behavior of the compliant mechanism was used to provide the stiffness feedback felt by the user. A prototype haptic interface was developed capable of simulating the force-displacement profile of Lachman’s Test performed on an injured ACL knee. The compliant haptic interface was capable of displaying stiffnesses between 4200 N/m and 7200 N/m.
APA, Harvard, Vancouver, ISO, and other styles
2

Kai, He, Guo Lei, and Song Yuan. "The straight line mechanism base on Peaucellier inversion instrument." In 2015 International Conference on Advanced Mechatronic Systems (ICAMechS). IEEE, 2015. http://dx.doi.org/10.1109/icamechs.2015.7287073.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Zhang, S. J., and D. J. Sanger. "A Straight-Line Mechanism and its Application in Vehicles." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0278.

Full text
Abstract:
Abstract This paper describes a mechanism which generates straight-line motion segments and which is especially appropriate for use as the basis for a walking wheel in various kinds of vehicles. The straight-line motion capability, with multiple legs in the wheel, is exploited to ensure that the height of the wheel centre above ground is maintained constant. Thus, the wheel can be used on hard surfaces as well as on soft surfaces, with a suitable foot attached to the leg to ensure that an appropriate level of ground pressure is maintained.
APA, Harvard, Vancouver, ISO, and other styles
4

Nelson, Carl A., and Christian A. Padilla. "Motion Generation Using Combinations of Peaucellier Straight-Line Mechanisms." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70441.

Full text
Abstract:
The Peaucellier linkage is one of only a handful of known, single-degree-of-freedom mechanisms that trace an exact straight line. Although the traced output is straight, the relation between input rotation angle and output position along the traced line is nonlinear. The purpose of this study is to investigate the composite motion of stacked Peaucellier straight-line mechanisms. After stacking, the original straight-line output transforms into a complex curve whose shape is dependent on the motion of all of the component mechanisms, their geometric parameters, and how the component Peaucellier cells are interconnected. MATLAB software was used to generate output curves considering different stacking configurations and mechanism sizes. MATLAB was also used to analyze the final data and identify correlations between the mechanism link sizes, stacking configurations, and relative output curves. Based on a polynomial fitting technique, resultant output of the stacked mechanisms was generally found to be of 6th order except when purposefully constrained. This is a first attempt to characterize kinematic trace curves for this type of stacked straight-line linkage system.
APA, Harvard, Vancouver, ISO, and other styles
5

Luo, Chao, and Wenzeng Zhang. "A Novel Straight-line Mechanism and Its Application in Robot Design." In 2018 3rd International Conference on Advanced Robotics and Mechatronics (ICARM). IEEE, 2018. http://dx.doi.org/10.1109/icarm.2018.8610754.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Buckley, Jessica, and Ming Z. Huang. "A Study on Dimension Synthesis for the Peaucellier Mechanism." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64278.

Full text
Abstract:
Straight-line motion, albeit simple, manifest itself in numerous applications, from running steam engines and oil wells to manufacturing parts with straight edges and sides. The drive to maximize production creates a need for continuously running assembly-line manufacturing comprised of precise, individually optimized components. While there are many so-called straight-line generating mechanisms, few actually produce a true straight-line, most generate only approximate straight-line. Featured an eight-link rhomboidal system with length constraints, the Peaucellier mechanism is one that actually produces a true straight line intrinsically. This paper presents a study on the dimension synthesis of the Peaucellier mechanism, namely by identifying the correct ratio of linkage lengths to produce the longest straight line stroke. In addition to designing for stroke, another objective of interest is to attain a desired velocity profile along the path. Kinematic analysis of the velocity profile on the mechanism will render the creation of input angular velocity standards based on desired stroke speed. Given the stroke and velocity specifications, specific steps to size the dimensions of the mechanism developed as result of this study will be presented.
APA, Harvard, Vancouver, ISO, and other styles
7

Sousa, Joao, Joel Galvao, Jose Machado, Joao Mendonca, Toni Machado, and Pedro Silva. "Modelling and Simulation of a Straight Line Motion Mechanism for Industrial Application." In 2018 5th International Conference on Control, Decision and Information Technologies (CoDIT). IEEE, 2018. http://dx.doi.org/10.1109/codit.2018.8394919.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Hricko, J. "Design of compliant micro-stage based on Peaucellier-Lipkin straight-line mechanism." In 2014 23rd International Conference on Robotics in Alpe-Adria-Danube Region (RAAD). IEEE, 2014. http://dx.doi.org/10.1109/raad.2014.7002262.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Huang, Ming Z. "On Dimension Synthesis of Hart’s Inversor III Straight-Line Mechanism As a Precision Robotic End-of-Arm Tool." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11522.

Full text
Abstract:
Abstract In flexible manufacturing systems, straight line motions are often required in part handling, assembly, cutting, sealing, or welding operations. Rather than using a high performance industrial robot to execute the path directly, employment of a less precise robot outfitted with an end-of-arm tool comprising an exact straight line mechanism could be more effective in both performance and in cost. Exact straight line mechanisms with pin connections are easy to manufacture and assemble, in comparison to those realized by translational joints where alignment of linear axes or surface could be problematic. Such an issue becomes even more difficult when relatively large stroke and/or high precision of straight line motion is required. In this paper, a study of the kinematic characteristics of a special class of exact straight line mechanisms, Hart’s Inversor Type III, with emphasis toward dimension synthesis, is presented. An analytical approach for sizing the link lengths with respect to a desirable straight line stroke constraint is developed and illustrated with examples. Also presented are stiffness and mechanical advantage characteristics for additional design considerations.
APA, Harvard, Vancouver, ISO, and other styles
10

Huang, Hsin-Ting, and Chin-Hsing Kuo. "Design of Constant-Force Mechanisms Based on Straight-Line Linkages." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85241.

Full text
Abstract:
This paper presents two novel constant-force mechanisms (CFMs) based on Scott-Russell and Hart’s straight-line linkages with mechanical springs. By articulating either two compression springs (type C-C) or one compression spring with another one extension spring (type C-E) onto each of these two CFMs, the point(s) which trace straight-line trajectories can illustrate a constant force within the mechanism workspace. We also show that the preload of the extension spring for type C-E CFMs will not affect its constant-force property but can define the amount of the output force. The proposed concepts of CFMs are relatively simple and concise, which could be useful for the complex mechanical systems that request a constant output force. A constant-force robotic gripper is illustrated by using the proposed Scott-Russell-type CFM.
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Straight-Line Mechanism' for particular source types:
Journal articles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography