Calculation electronic device for measuring strain. Course project. 51 p.

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Uploaded: 30.11.2004
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1.1. The purpose of the course design. 2
1.2. Theme of the project. 2
1.3. The composition of the projected devices. 2
1.4. Composition course project 2
2. Designing Instruments for measuring transverse strain well (deformometer) 4
2.1. The terms of reference for the design of 4
2.2. General information necessary for planning 5
2.3. Justification block diagram 6
2.4. The calculation of the basic parameters of the electronic measuring instrument 7
2.5. Design strain amplifier stages 13
3. Calculation of the elements of the active filter (AF) 20
4. Calculation of the amplitude and phase frequency characteristics CASCADES 25
4.1. The purpose of calculating the 25
4.2. Preparations 25
4.3. The procedure for performing calculations 25
4.4. Run MC5Small 25
4.5. Mapping 26
4.6. Checking the connections of nodes numbering 30
4.7. Analysis of the circuit in the time domain 30
4.8. Check Modes DC 31
4.9. Building a frequency response of 32
4.10. To verify compliance with the steepness of the decline AFC specified requirements 34
4.11. Presentation of the results 34
5. REQUIREMENTS TO course project 35
5.1. The basic rules of presentation and design of the text 35
5.2. Requirements for illustrative graphic material-37
5.3. Requirements for structural and circuit diagrams 37
P1. Some types of foil strain gages 41
P2. Features pezoobrazovateley 42
P3. Data for measuring and recording instruments 42
P4. Rows to determine the nominal resistance and capacitance allowable variations 20%; 10; 5 (GOST 2825-67), (2519-67) 45
P5. Basic electrical parameters of transistors and diodes 46
P6. Symbols of elements, circuits 48

Additional information

It may be useful to both students and professionals working in the field of strain measurement using strain gauges. The calculation of the whole device, since the converter strain into an electrical signal (measuring beam, strain gauges) up to the input of the ADC.


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