Design and construction of microprocessor based remote speed measurement, monitoring and control of d. C motor

Average (RPM)

960	960	960	950.4		951.3	950.5	950.7
1380	1440	1410	1425		1423	1426	1424.6
1860	1860	1860	1860		1865	1865	1863.3
2340	2340	2340	2348		2340	2341	2343
2700	2700	2700	2707		2708	2705	2706.7
3540	3540	3540	3545		3539	3545	3543

Table 3.3: Expected Results from machine II and Tachometer.

Designed Device			Standard Tachometer
Read 1 (RPM)	Read 2 (RPM)	Average (RPM)		Read 1 (RPM)	Read 2 (RPM)	Read 3 (RPM)	Average (RPM)
660	720	690		692.9	689.4	686.6	689.9
900	960	930		939.6	935.7	937.1	936.4
1200	1200	1200		1190	1195	1193	1192.7
1380	1440	1410		1413	1414	1412	1413
1920	1980	1950		1936	1942	1942	1940

Standard Result (RPM)

Measured Result (RPM)

Figure 3.1: Plot of average RPM values obtained by designed device and standard tachometer for various readings. Results are from machine I.

Standard Result (RPM)

Measured Result (RPM)
F

igure 3.2: Plot of average RPM values obtained by designed device and standard tachometer for various readings. Results are from machine II


Propose complete circuit design