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基于DSP快速原型的淀粉生产线串级控制系统(Application of Cascade Control System in Starch Production-line Based on Rapid Prototyping of DSP)
淀粉生产线 浓度 串级PID控制
2009/8/11
在分析比较传统PID和Smith预估PID作为串级控制主回路控制器的基础上,提出了主回路采用Smith预估PID,副回路采用传统PID的串级控制策略调节淀粉生产线中的浓度。对淀粉生产线中串级控制闭环回路进行数学建模,并对主回路采用Smith预估PID和传统PID两种控制方案进行了设计与仿真。仿真结果表明,主回路采用Smith预估PID在控制效果上明显优于传统PID并且其鲁棒性优于传统PID。利用快...
Logistics in agricultural production
material flow material handling logistics in agriculture
2014/3/29
In spite that the great importance of logistics in industry, business and other branches is generally acknowledged, this problem is not systematically investigated in agriculture. As a presumption of ...
Influence of subsidies on the economic result of agricultural firms in production and marginal areas
grant volume grant title marginal areas production areas economic result grant, grant policy
2014/3/29
This article is divided into four parts: the first is concerned with the state subsidy and support policy in the year 2001. The second part of the contribution mentions the subsidy development in prod...
Conception of the model of agriculture with production and non-production function
production and non-production function model of agriculture production process agricultural production
2014/3/29
The article deals with an optimisation of the relation between production and non-production functions of agriculture. In the model, a two-product production process is presupposed, the result of whic...
Diversification of individual farms in Slovakia with regard to production use patterns and level of income
farm restructuring individual farm product specialisation production use income scale of operation
2014/3/29
During the years of transition to market economy, a variety of farming types has evolved in Slovakia. Corporate farming is still pursued on about 80 per cent of the total agricultural land area, but a...
The development of the price parity in the foodstuffs production and consumption vertical
the price, price regulation parity coefficient price scissors food vertical
2014/3/29
The analysis of the development of prices in the foodstuffs vertical, it means the prices of inputs into the agriculture, agricultural products, food products and consumption prices of foodstuffs, on ...
Assets and financial situation in the companies of agricultural primary production in Slovakia
assets liabilities balance sheet loans payables receivables
2014/3/28
This paper analyses assets and liability structure on the selected data set from the primary agricultural production in Slovakia. Accounting is presented as a complex foundation, information system, w...
Natural, production and economic conditions individual farms and enterprises of restructuring in the Slovak Republic
restructuring individual farm enterprises natural conditions production conditions economic conditions
2014/3/28
In the framework of Slovakia preparation for entering the European Union, there was done a Phare-ACE survey in years 1999–2000. The name of this survey was “Micro-economic analysis of farming househol...
Searching the proportional level of operating costs – specification of the minimum volume of production
proportional costs fixed costs over-proportional costs under-proportional costs unit costs break-even point minimum profit, minimum profitability of production variable costs cost-revenue ration rate of profit
2014/3/28
This article concerns the topic of various types of costs and refers to relations between them. It also solves relations between costs and the output in in-kind units, between costs and revenues (in f...
Consequences of applying the Conception of the Agricultural and Food Policy to the year 2005 and effects of the optimized allocation of production in the Slovak Republic
agrarian policy predictions mathematical models partial market equilibrium optimization regional allocation
2014/3/26
In the paper, there is described using of the optimization models AGRO-3 SR for modeling food production chains in the Slovak Republic (the modified version of the Czech model AGRO-3) and ALOKA for op...
Economic results of agricultural companies in production and marginal areas in the year 2000
production areas marginal areas economic result before tax economic result for the accounting period capital efficiency, productivity of labour labour technical equipment, tax multiplier tax rate liquidity assets structure liabilities structure
2014/3/26
The article was written on the base of research results concerning economic development of several selected Czech agricultural companies. In dependence on the altitude, the sample was divided into two...