The Method of Envelopes

Свешников, А. А.

doi:10.1016/b978-1-4831-9760-9.50008-x

Cited by 2 publications

(5 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Under inertial actions caused by the motion and fluctuations of the object, this instability determines the deviation of the elements modeling the vertical from the actual direction of the vertical. All this results in a dynamic error which in some cases can reach inadmissibly high values [12]. Therefore, the proposed concept envisages a procedure eliminating the current values of the dynamic error from the measurement result.…”

Section: A Concept Of Modeling Measuring Instrumentsmentioning

confidence: 99%

A Gyro-Free System for Measuring the Parameters of Moving Objects

Dichev¹,

Koev²,

Bakalová³

et al. 2014

Measurement Science Review

View full text Add to dashboard Cite

The present paper considers a new measurement concept of modeling measuring instruments for gyro-free determination of the parameters of moving objects. The proposed approach eliminates the disadvantages of the existing measuring instruments since it is based, on one hand, on a considerably simplified mechanical module, and on the other hand, on the advanced achievements in the area of nanotechnologies, microprocessor and computer equipment. A specific measuring system intended for measuring the trim, heel, roll, and pitch of a ship has been developed in compliance with the basic principles of this concept. The high dynamic accuracy of this measuring system is ensured by an additional measurement channel operating in parallel with the main channel. The operating principle of the additional measurement channel is based on an appropriate correction algorithm using signals from linear MEMS accelerometers. The presented results from the tests carried out by means of stand equipment in the form of a hexapod of six degrees of freedom prove the effectiveness of the proposed measurement concept.

show abstract

Section: A Concept Of Modeling Measuring Instrumentsmentioning

confidence: 99%

A Gyro-Free System for Measuring the Parameters of Moving Objects

Dichev¹,

Koev²,

Bakalová³

et al. 2014

Measurement Science Review

View full text Add to dashboard Cite

show abstract

“…Therefore, the continuous model of the linear dynamic system should be viewed. The latter could be illustrated by a vector-matrix differential equation defining the dynamics of the measuring system, and by a second equation defining the measuring process [7,15] …”

Section: Structural Model Of the Algorithmmentioning

confidence: 99%

“…[7,8], thus limiting, to a great extent, their application. A complete solution to those problems can be found by means of the concept proposed in [9], where unlike the existing measuring methods and tools that use vertical stabilization in the inertial space this approach is based on methods eliminating the dynamic error in real time.…”

Section: Introduction S It Is Well-knownmentioning

confidence: 99%

“…These instruments must include elements modelling the basic coordinate system [6,7]. This enables us to determine the position of the moving object when it rotates around its centre of mass, as well as when it moves along with its centre of mass.…”

Section: Introduction S It Is Well-knownmentioning

confidence: 99%

“…This enables us to determine the position of the moving object when it rotates around its centre of mass, as well as when it moves along with its centre of mass. There are different methods and tools for building and keeping the vertical in measurement mode [7,8]. However, gyroscopic systems are the most frequently used due to their stability against the inertial effects caused by the motion of the object (the ship).…”

Section: Introduction S It Is Well-knownmentioning

confidence: 99%

See 2 more Smart Citations

A Kalman Filter-Based Algorithm for Measuring the Parameters of Moving Objects

Dichev¹,

Koev²,

Bakalová³

et al. 2015

Measurement Science Review

View full text Add to dashboard Cite

One of the most complex problems in measuring equipment is related to the provision of the required dynamic accuracy of measuring systems determining the parameters of moving objects. The present paper views an algorithm for improving the dynamic accuracy of such measuring systems. It is based on the Kalman method. The algorithm aims to eliminate the influence of a number of interference sources, each of which is of secondary significance. However, their total effect can cause considerable distortion of the measurement signal. The algorithm model is designed for gyro-free measuring systems. It is based on one of the most widely used elements in the dynamic systems, namely the physical pendulum, due to which measuring systems of high dynamic accuracy and low cost can be developed. The presented experimental results confirm the effectiveness of the proposed algorithm with respect to the dynamic accuracy of measuring systems of this type.

show abstract

The Method of Envelopes

Cited by 2 publications

References 0 publications

A Gyro-Free System for Measuring the Parameters of Moving Objects

A Gyro-Free System for Measuring the Parameters of Moving Objects

A Kalman Filter-Based Algorithm for Measuring the Parameters of Moving Objects

Contact Info

Product

Resources

About