By Арайс Р.Ж., Сталтманис И.О.
ISBN-10: 1849960674
ISBN-13: 9781849960670
Книга посвящена вопросам испытания электрооборудования воздушных распределительных сетей 0,4-20 кВ. Освещены вопросы измерения электрических параметров сети, рассмотрены методы испытания электрооборудования на стационарных стендах и с помощью передвижных лабораторий, описаны виды и объем испытаний, даны сведения об испытательной аппаратуре и электролабораториях.Книга предназначена для электромонтеров, мастеров и инженерно-технического персонала, занимающегося испытанием электрооборудования в распределительных сетях 0,4-20 кВ.
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Example text
In order to decide which of its actions are possible at a certain stage, the agent must know about the preconditions of actions. In order to set up and maintain a model of the environment, the agent needs to be told the initial conditions and the effects of every action. A domain specification in FLUX is obtained by a direct translation of a domain axiomatization in fluent calculus into logic programming clauses. Precondition Axioms An agent program should trigger the actual performance of an action only if the action is possible.
CHAPTER 2. SPECIAL FLUX 28 holds(F, [F|_]). holds(F, Z) :- Z=[F1|Z1], F\==F1, holds(F, Z1). holds(F, [F|Z], Z). holds(F, Z, [F1|Zp]) :- Z=[F1|Z1], F\==F1, holds(F, Z1, Zp). minus(Z, [], Z). minus(Z, [F|Fs], Zp) :(\+ holds(F, Z) -> Z1=Z ; holds(F, Z, Z1)), minus(Z1, Fs, Zp). plus(Z, [], Z). plus(Z, [F|Fs], Zp) :(\+ holds(F, Z) -> Z1=[F|Z] ; holds(F, Z), Z1=Z), plus(Z1, Fs, Zp). update(Z1, ThetaP, ThetaN, Z2) :minus(Z1, ThetaN, Z), plus(Z, ThetaP, Z2). execute(A, Z1, Z2) :- perform(A), state_update(Z1, A, Z2).
Fn according to the foundational axioms of associativity and commutativity. The proof is by induction on n. If n = 0, then ϑ− = ∅ and [[ϑ− ]] = [ ]. 5) implies Minus([[τ ]], [ ], z ) ≡ z = [[τ ]] which proves the claim since z − ∅ = z is equivalent to z = z by definition. 5) implies Minus([[τ ]], [f1 , f2 , . . , fn ], z ) ≡ (∃z1 ) ( ( ¬Holds(f1 , [[τ ]]) ∧ z1 = [[τ ]] ∨ Holds(f1 , [[τ ]], z1 ) ) ∧ Minus(z1 , [ff2 , . . 3, the macro definition for “−”, and the induction hypothesis. Again, the order in which the fluents occur in the resulting FLUX state is determined by their order in the original list.