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Система управления городским освещением по протоколу DMX512 «Светотехника», 2024, №2

Журнал «Светотехника» №2 2024

Дата публикации 24/04/2024
Страница 52-60

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Система управления городским освещением по протоколу DMX512 «Светотехника», 2024, №2
Авторы статьи:
Руйз Тен (Ruize Tang), Килин Чен (Qilin Chen)

Руйз Тен (Ruize Tang),доктор в области управления проектированием. В настоящее время учится в университете Вусонг. Область научных интересов включает дизайн городской среды

Килин Чен (Qilin Chen), магистр искусств, профессор. Окончил Нанкинский университет искусств. Доцент Нанкинского университета аэронавтики и астронавтики. Область научных интересов включает проектирование городской среды

Аннотация
В настоящем исследовании для повышения качества визуального восприятия городского пространства разработана система управления освещением в общественных местах по протоколу DMX512. Для смены режимов освещения, определения необходимого количество субконтроллеров в зависимости от фактической потребности в освещении городского пространства и фиксирования соответствующих данных на карте памяти (SD-карта) используется система автоматического мониторинга состояния верхнего компьютера. Ethernet передаёт данные с SD-карты в модуль управления освещением, главный контроллер передаёт данные с SD-карты на субконтроллер, а ARM 2 субконтроллера декодирует данные сцены освещения городского пространства и использует алгоритм фейерверков – пропорционально-интегральнодифференциальное (ПИД) управление, адаптированное с помощью алгоритма нечёткой логики. Алгоритм управления кодирует данные управления светильниками наружной ОУ, затем эти данные с помощью программируемой пользователем вентильной матрицы (ППВМ, англ. FPGA) передаются на контроллер DMX512. Далее контроллер DMX512 посылает сигнал в блок управления СД светильниками наружного освещения. Экспериментальные результаты показали высокую надёжность и скорость отклика разработанной системы: освещённость на уровне 7,5 лк от используемых в настоящем эксперименте СД светильников достигается за 0,6 с после получения команды. При этом разработанная система управления обладает высокой степенью совместимости программного и аппаратного обеспечения, а также стабильна. Более того, было обнаружено, что даже, если на компьютере установлено несколько операционных систем, система управления работает стабильно, не провоцируя сбои, следовательно она безопасная для установки на любой компьютер и тем самым подтверждает свою надёжность.
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