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An analysis has been conducted on the hydrostatic drive system for driving a soil bin. A comparison of the bin velocity was made between the pure inertia load and inertia plus disturbance. Also, the pressure fluctuations that are predicted are quite sensitive to the leakage values chosen. A low leakage value predicts an oscillatory pressure response. Although no feedback was employed for the velocity output, the load disturbance changed the output velocity very little.

The political and economic pressures of creating employment opportunities and providing higher standards of living for individuals have resulted in intense examinations of economic growth stimulators. These studies have shown the international attractiveness of encouraging, developing, and utilizing advanced technologies. The result is that government and education have focused their efforts on research, technology transfer to industry, and the encouragement of new enterprises. While research parks and incubators hold some immediate attraction, longer term efforts are toward developing university research with industrial applications, accelerating knowledge transfer, and providing technical assistance, Iowa's new efforts using advanced technologies as an economic development tool began in 1982 and have expanded rapidly. These efforts include venture capital, incentives for research, education and training, and direct grants for research.