The design object model for robotic assembly of mechanical components

A number of computing systems devoted to the averaging of electron images of two-dimensional macromolecular crystalline arrays have facilitated the visualization of negatively-stained biological structures. Either by simulation of optical filtering techniques or, in more refined treatments, by cross-correlation averaging, an idealized representation of the repeating asymmetric structure unit is constructed, eliminating image distortions due to radiation damage, stain irregularities and, in the latter approach, imperfections and distortions in the unit cell repeat. In these analyses it is generally assumed that the electron scattering from the thin negativelystained object is well-approximated by a phase object model. Even when absorption effects are considered (i.e. “amplitude contrast“), the expansion of the transmission function, q(x,y)=exp (iσɸ (x,y)), does not exceed the first (kinematical) term. Furthermore, in reconstruction of electron images, kinematical phases are applied to diffraction amplitudes and obey the constraints of the plane group symmetry.

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EVALUATION OF MECHANICAL SYSTEMS USED IN PERFUSION

Acta Endocrinologica ◽

10.1530/acta.0.069s044b ◽

1972 ◽

Vol 68 (2_Supplb) ◽

pp. S44-S73 ◽

Cited By ~ 3

Author(s):

Eugene F. Bernstein

Keyword(s):

Mechanical Systems ◽

Organ Perfusion ◽

Critical Factors ◽

System 2 ◽

Common Problems ◽

Mechanical Components ◽

Perfusion Experiment ◽

Selection Of

ABSTRACT Among the critical factors in organ perfusion are (1) the mechanical components of the system, (2) the composition of the perfusate, and (3) the perfusing conditions. In this review, particular consideration is given to the pump, the oxygenator, and cannulas in such systems. Emphasis is placed upon the selection of pertinent equipment for the goals of a particular perfusion experiment, based upon the criteria of adequacy of the perfusion. Common problems in organ perfusion are summarized, and potential solutions to the perfusion problem, involving either biologic or mechanical extracorporeal systems, are suggested.

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Alternate Trajectory Determination Using Multimode Automated Robotic Vehicle with Line Following and Object Following Mode

International Journal of Advanced Research in Computer Science and Software Engineering ◽

10.23956/ijarcsse.v8i3.593 ◽

2018 ◽

Vol 8 (3) ◽

pp. 46

Author(s):

Varun Kumar ◽

Lakshya Gaur ◽

Arvind Rehalia

Keyword(s):

Ultrasonic Sensor ◽

Robotic Assembly ◽

Voltage Regulator ◽

Automated Vehicle ◽

Dc Motors ◽

Arduino Uno ◽

Robotic Vehicle ◽

Line Following ◽

Selection Of ◽

Trajectory Determination

In this paper the authors have explained the development of robotic vehicle prepared by them, which operates autonomously and is not controlled by the users, except for selection of modes. The different modes of the automated vehicle are line following, object following and object avoidance with alternate trajectory determination. The complete robotic assembly is mounted on a chassis comprising of Arduino Uno, Servo motors, HC-SRO4 (Ultrasonic sensor), DC motors (Geared), L293D Motor Driver, IR proximity sensors, Voltage Regulator along with castor wheel and two normal wheels.

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