Numeric Function Generators Using Piecewise Arithmetic Expressions

In this paper, we present a synthesis procedure for the coupler link of a planar slider-crank linkage in order to coordinate input by a linear actuator with the rotation of an output crank. This problem can be formulated in a manner similar to the synthesis of a five position RR coupler link. It is well-known that the resulting equations can produce branching solutions that are not useful. This is addressed by introducing tolerances for the input and output values of the specified task function. The proposed synthesis procedure is then executed on two examples. In the first example, a survey of solutions for tolerance zones of increasing size is conducted. In this example we find that a tolerance zone of 5% of the desired full range results in a number of useful task functions and usable slider-crank function generators. To demonstrate the use of these results, we present an example design for the actuator of the shovel of a front-end loader.

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Inexpensive microprocessor controlled programmable function generators for use in electrochemistry

Analytical Chemistry ◽

10.1021/ac50052a043 ◽

1980 ◽

Vol 52 (2) ◽

pp. 367-371 ◽

Cited By ~ 17

Author(s):

A. M. Bond ◽

A. Norris

Keyword(s):

Function Generators

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System for Recognition and Evaluation of Handwritten Arithmetic Expressions

10.20532/ccvw.2019.0008 ◽

2019 ◽

Author(s):

Vlado Galić ◽

Tomislav Hrkać

Keyword(s):

Arithmetic Expressions

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A New Methodology for Rapid Synthesis of Function Generators

Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science ◽

10.1243/pime_proc_1992_206_146_02 ◽

1992 ◽

Vol 206 (6) ◽

pp. 391-398 ◽

Cited By ~ 6

Author(s):

J R McGarva ◽

G Mullineux

Keyword(s):

Harmonic Analysis ◽

Optimization Technique ◽

Performance Criteria ◽

Performance Information ◽

Rapid Synthesis ◽

Single Degree Of Freedom ◽

Performance Requirement ◽

Single Degree ◽

Function Generators ◽

Fine Tune

This paper presents the application of a new methodology for the rapid synthesis of a single-degree-of-freedom function generating linkages. Harmonic analysis and normalization are used as a means of evaluating linkage performance. The performance information for a large number of linkage types and dimensional variants are stored in a software-based library. A means whereby this library can he searched for linkages to meet prescribed performance criteria is discussed. The use of an optimization technique to ‘fine tune’ the library selections is introduced. Finally, an example of the use of the methodology is given for the synthesis of a linkage required to reproduce a particular performance requirement.

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