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<p>Conventional dual-axis solar tracking systems require one motor for each axis of motion. An increased number of actuators inherently results in higher maintenance and repair costs. Therefore, reducing the number of motors can significantly decrease design, manufacturing, and operational expenditures. This study proposes, implements, and experimentally evaluates a novel dual-axis solar tracking system that operates using a single motor.Eliminating one electromechanical component while maintaining dual-axis tracking capability reduces not only the initial system cost but also long-term maintenance requirements and energy consumption. Analysis of the experimental results shows that a photovoltaic system without concentrated panels, when equipped with the proposed tracker, generated 240% more energy under cloudy sky conditions. Additionally, the same system demonstrated a 25% increase in energy production under clear sky conditions. Under identical weather conditions and operating durations, a concentrated photovoltaic system integrated with the proposed tracker achieved up to a 100% increase in energy production.</p>

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Designing a single motor dual-axis sun tracker to optimize the cost of a smart solar power plant

  • 期刊论文

  • 发表日期：

    2026年7月9日

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  • N. A. Abkenar,
  • A. M. Akbari,
  • F. Torabi,
  • A. N. Ardekani,
  • H. Borgheipour

摘要

Conventional dual-axis solar tracking systems require one motor for each axis of motion. An increased number of actuators inherently results in higher maintenance and repair costs. Therefore, reducing the number of motors can significantly decrease design, manufacturing, and operational expenditures. This study proposes, implements, and experimentally evaluates a novel dual-axis solar tracking system that operates using a single motor.Eliminating one electromechanical component while maintaining dual-axis tracking capability reduces not only the initial system cost but also long-term maintenance requirements and energy consumption. Analysis of the experimental results shows that a photovoltaic system without concentrated panels, when equipped with the proposed tracker, generated 240% more energy under cloudy sky conditions. Additionally, the same system demonstrated a 25% increase in energy production under clear sky conditions. Under identical weather conditions and operating durations, a concentrated photovoltaic system integrated with the proposed tracker achieved up to a 100% increase in energy production.