RU2542893C1 - Rank filter - Google Patents

Abstract

FIELD: radio engineering, communication.

SUBSTANCE: device comprises ten relators, each having a comparator, an XOR element, a closing switch and an opening switch.

EFFECT: broader functional capabilities by enabling selection of the minimum, supraminimum, submaximum or maximum of five input analogue signals.

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Description

The invention relates to automation and analog computing and can be used to build functional units of analog computers, means of automatic regulation and control, analog processors, etc.

Known rank filters (see, for example, figure 1 in the description of the invention to the patent of the Russian Federation 2192045, class G06G 7/52, 2002), which contain relators and implement the choice of the minimum, supraminimum, submaximal or maximum of the four input analog signals .

The reason that impedes the achievement of the technical result indicated below when using known rank filters includes limited functionality due to the fact that five input analog signals are not allowed to be processed.

The closest device of the same purpose to the claimed invention in terms of features is the rank filter adopted for the prototype (Fig. 1 in the description of the invention to RF patent 2284650, class G06G 7/52, 2006), which contains relators and implements the choice of the minimum supraminimum, submaximal, or maximum of four analog input signals. Moreover, the maximum delay time of the signal propagation in the prototype is 4τ _P , where τ _P is the delay time of the relator.

The reason that impedes the achievement of the technical result indicated below when using the prototype is limited functionality due to the fact that it is not allowed to process five input analog signals.

The technical result of the invention is the expansion of functionality by providing the implementation of the choice of the minimum, supraminimum, submaximal or maximum of five input analog signals while maintaining the speed of the prototype.

группа содержит 5-i реляторов, в каждой группе кроме четвертой выход предыдущего релятора соединен с первым входом последующего релятора, выход (5-j)-го релятора j-й

группы подключен к второму входу (6-j)-го релятора (j-1)-й группы, первый и второй входы второго релятора первой группы соединены соответственно с вторым и первым входами второго релятора второй группы, а объединенные входы управления первого, второго, четвертого реляторов первой, первого, третьего реляторов второй, второго релятора третьей групп и объединенные входы управления третьего релятора первой, второго релятора второй, первых реляторов третьей, четвертой групп подключены соответственно к первому и второму управляющим входам рангового фильтра, выход которого соединен с выходом четвертого релятора первой группы.The specified technical result in the implementation of the invention is achieved by the fact that in a rank filter containing eight relators, each of which contains a comparator connected by the output to the first input of the EXCLUSIVE OR element, the second input of which is the relay control input, and the output is connected to the control input of the closing and disconnecting keys whose outputs are combined and form the output of the relator, the first and second inputs of which are the non-inverting and inverting inputs of the comparator, respectively, nye, respectively, to the inputs of the NO and NC key feature is that two similar relator above all relators are grouped into four groups introduced into it so that the i-th

the group contains 5-i relators, in each group except the fourth the output of the previous relator is connected to the first input of the subsequent relator, the output of the (5-j) -th relay of the j-th

group is connected to the second input of the (6-j) -th relay of the (j-1) -th group, the first and second inputs of the second relator of the first group are connected respectively to the second and first inputs of the second relay of the second group, and the combined control inputs of the first, second, the fourth relators of the first, first, third relators of the second, second relator of the third group and the combined control inputs of the third relator of the first, second relator of the second, first relators of the third, fourth groups are connected respectively to the first and second control inputs of the ranks filter, the output of which is connected to the output of the fourth relay of the first group.

Figure 1 and figure 2 presents respectively a diagram of the proposed rank filter and a diagram of the relator used in the construction of the specified filter.

группа содержит реляторы 1_i1, …, 1_i(5-i), в каждой группе кроме четвертой выход предыдущего релятора соединен с первым входом последующего релятора, выход релятора 1_j(5-j)

подключен к второму входу релятора 1_(j-1)(6-j), первый и второй входы релятора 1₁₂ соединены соответственно с вторым и первым входами релятора 1₂₂, а объединенные входы управления реляторов 1₁₁, 1₁₂, 1₁₄, 1₂₁, 1₂₃, 1₃₂ и объединенные входы управления реляторов 1₁₃, 1₂₂, 1₃₁, 1₄₁ подключены соответственно к первому и второму управляющим входам рангового фильтра, выход которого соединен с выходом релятора 1₁₄.The rank filter contains the relators 1 ₁₁ , ..., 1 ₁₄ , 1 ₂₁ , ..., 1 ₂₃ , 1 ₃₁ , 1 ₃₂ , 1 ₄₁ . Each relator contains a comparator 2, connected by the output to the first input of the EXCLUSIVE OR 3 element, the second input of which is the relay control input, and the output is connected to the control input of the closing and disconnecting keys 4 ₁ and 4 ₂ , the outputs of which are combined to form the relay output, the first and the second inputs of which are respectively the non-inverting and inverting inputs of the comparator 2, connected respectively to the inputs of the keys 4 ₁ and 4 ₂ . All relators are grouped so that the i-th

the group contains relators 1 _i1 , ..., 1 _{i (5-i)} , in each group except the fourth, the output of the previous relator is connected to the first input of the subsequent relator, the output of the relator is 1 _{j (5-j)}

connected to the second input of the relay 1 _{(j-1) (6-j)} , the first and second inputs of the relay 1 _{12 are} connected respectively to the second and first inputs of the relay 1 ₂₂ , and the combined control inputs of the relators 1 ₁₁ , 1 ₁₂ , 1 ₁₄ , 1 ₂₁ , 1 ₂₃ , 1 ₃₂ and the combined control inputs of the relators 1 ₁₃ , 1 ₂₂ , 1 ₃₁ , 1 _{41 are} connected respectively to the first and second control inputs of the rank filter, the output of which is connected to the output of the relator 1 ₁₄ .

The work of the proposed rank filter is as follows. The necessary control signals f ₁ and f ₂ , f ₁ , f ₂ ∈ {0,1} are respectively fixed at its first and second control inputs. The first, second inputs of the first odd group relator, the first, second inputs of the first even group relator and the second relay input 113 are supplied with the analog signals (voltages) x ₁ , x ₂ , x ₃ , x ₄ and x _{5, which} are to be processed. If at the control input of the relator there is a logical "0" (logical "1") and the signal at its first input is more or less than the signal at its second input, then key 4 _{1 is} respectively closed (open) or open (closed), and key 4 ₂ respectively open (closed) or closed (open). Therefore, if at the control input of the relator there is a logical "0" (logical "1"), then this relator will select at its output the largest (smallest) of the signals acting on its first and second inputs. Thus, at the output of the proposed filter we get

,

,

where the symbols ∨ and · denote the operations max and min, respectively.

The above information allows us to conclude that the ranking filter (figure 1) has a wider functionality compared to the prototype, as it implements the choice of the minimum, supraminimum, submaximal or maximum of five input analog signals. In this case, the maximum delay time of the signal propagation in the specified filter is 4 τ _P , where τ _P is the delay time of the relator.

Claims (1)

A rank filter containing eight relators, each of which contains a comparator connected by an output to the first input of an EXCLUSIVE OR element, the second input of which is a relator control input, and the output is connected to the control input of the closing and disconnecting keys, the outputs of which are combined to form the relay output, the first and the second inputs of which are the non-inverting and inverting inputs of the comparator, respectively, connected to the inputs of the closing and opening keys, characterized in that two similar relators of the aforementioned are introduced; all relators are grouped into four groups so that the ith (i =

) the group contains 5-i relators, in each group except the fourth the output of the previous relator is connected to the first input of the subsequent relator, the output of the (5-j) -th relay j-th (j =

) of the group is connected to the second input of the (6-j) -th relay of the (j-1) -th group, the first and second inputs of the second relay of the first group are connected respectively to the second and first inputs of the second relay of the second group, and the combined control inputs of the first, second , the fourth relators of the first, first, third relators of the second, second relator of the third group and the combined control inputs of the third relator of the first, second relator of the second, first relators of the third, fourth groups are connected respectively to the first and second control inputs of the rank filter, the output of which is connected to the output of the fourth relator of the first group.

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