把下面的文字翻译成英文!
皮带配料秤控制系统的总体设计思想为：皮带输送机投入运行前，输送皮带上物料流量的设定值由操作人员在键盘上设定。 The overall design philosophy of the batching balance control system of the belt is: Before the belt conveyer is put into operation, the settlement value of the flow of the supplies is established on the keyboard by the attenbant to carry on the belt. 系统投入正常运行后，单片机采样皮带荷重信号和走速信号，将皮带走速信号与皮带单位长度上的瞬时重量相乘即可计算出皮带上物料的瞬间流量F(t)。 After the system is put into normal running, loading signal of the belt that the one-chip computer samples and the speed signal leaves, walk belt speed signal and belt instantaneous weight, unit of length is it can calculate out belt twinkling of an eye flow F of supplies to multiply (t) . 瞬间流量可通过数码管显示出来，为操作人员提供工艺数据参考。 The flow can be in charge of the number and show, offer the craft data to attenbant to consult in the twinkling of an eye. 8031系统再将流量实际值与其设定值进行比较，经PID调节运算后计算出控制量vi，再转换为电流输出信号，而后经放大去控制可控硅的导通角，实现调节滑差电机电磁离合器励磁电流的功能，从而调节执行机构滑差电机的转速，使输送皮带上的物料流量尽可能稳定在设定值附近，并具有良好的静态指标和动态性能。 8031 systems and then compare the actual value of the flow instead of the establishing value, calculate out controlling amount vi after PID regulates operation, and then change into the electric current and output the signal, and then enlarged and controlled leading the open angle of silicon controlled rectifier, realize regulating the function of the electricity electromechanical magnetism clutch excitation electric current of slippery difference, thus regulate the rotational speed of the slippery difference electrical machinery of executive body, enable transporting the flow of supplies on belts to stabilize in the adjacent place of settlement value as much as possible, have a good static index and dynamic performance.
Matches the stock weigher according to the leather belt the specification, this design uses take 8031 monolithic integrated circuits as the control core system structure, constitutes skin belt weight meter controller BWF.8031 monolithic integrated circuits have the integration rate high, the system structure simple, the processing function strong merit, suits the small control system specially the request, moreover has the high performance price ratio. The leather belt matches the stock weigher control system the system design thought is: The leather belt conveyer puts before the operation, transports on the leather belt the material current capacity setting value to establish by the operator on the keyboard.After the system investment normal operation, the monolithic integrated circuit sampling leather belt load capacity signal and walks the fast signal, walks the fast signal the leather belt and in the leather belt unit length instantaneous weight multiplication then calculates on the leather belt material instantaneous current capacity F(t).The instantaneous current capacity may demonstrate through the nixietube, provides the craft data reference for the operator.8031If the system the setting value carries on again the current capacity actual value the comparison, calculates the control quantity after the PID adjustment operation vi, again transforms into the electric current output signal, after but controls the silicon-controlled rectifier after the enlargement the breakover angle, the realization adjusts the slippery difference electrical machinery magnetic clutch exciting current the function, thus the adjustment implementing agency slippery difference electrical machinery rotational speed, causes to transport on the leather belt the material current capacity to stabilize as far as possible nearby the setting value, and has the good static target and the dynamic performance.
Go together with the technique request of anticipate the steelyard according to the leather belt, this design adoption takes 8031 machines as to control the system structure of the core, constituting the leather belt steelyard controller BWF.8031 machine tools gather the degree is high, the system structure is simple, strong advantage of function of processing, special suit the request of the small control system, and have the higher function price to compare.
The leather belt go together with total design thought of anticipate the steelyard control system is:The leather belt transports the machine devotion before circulate, transport the leather belt up the initial value of the material discharge from operate the personnel on the keyboard enactment.After system throw in the normal movement, a machine sample leather belt load signal and walk soon signal, multiply each other the leather belt walk soon the moment weight of signal and the leather belt unit lengths are namely a leather belt of calculability last the moment discharge F( t) of the material.The moment discharge can pass the figures tube manifestation to come out, for operate the personnel to provide the craft data reference.8031 systems make transport the material on the leather belt discharge actual value of discharge carries on the comparison with its initial value, compute a control quantity vi after regulate the operation through the PID, then the conversion outputs the signal for the electric current, and then through enlarge and can control the 硅 to lead a Cape to control, carry out to regulate the slippery bad function that the electrical engineering electromagnetism clutch 励 magnetoelectricity flow, thus regulate to carry out the organization slippery bad the electrical engineering turn soon, possibly again stable nearby in the initial value, and have the good static state index sign and dynamic state functions.
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