Jidoka, a Japanese term that translates to “automation with a human touch,” is a foundational principle of the Toyota Production System (TPS) and a key component of Lean Manufacturing. Jidoka emphasizes the importance of building quality into the production process and empowering workers to stop production when defects are detected. It promotes the idea that machines and processes should be designed to automatically detect abnormalities and stop operations to prevent the production of defective products.

Key Principles of Jidoka

  1. Autonomation: Autonomation, or “automation with human intelligence,” refers to the ability of machines and processes to perform tasks autonomously while being supervised by human operators. The human touch ensures that any issues are promptly addressed.
  2. Detecting Abnormalities: Jidoka aims to create processes and machines that can automatically detect abnormalities, such as defects, equipment malfunctions, or deviations from standard procedures.
  3. Stopping Production: When an abnormality is detected, Jidoka empowers workers to stop production immediately, preventing the production of defective goods and minimizing waste.
  4. Root Cause Analysis: Jidoka emphasizes identifying and addressing the root causes of abnormalities to prevent their recurrence.

Application of Jidoka

  1. Poka-yoke: Poka-yoke, or mistake-proofing, is a technique used to prevent defects by designing processes and machines in a way that makes errors impossible or difficult to occur.
  2. Andon System: The Andon system is a visual management tool used in Lean Manufacturing to signal abnormalities or problems on the production line, prompting immediate attention and action.
  3. Line Stoppage: Jidoka encourages stopping the production line when abnormalities are detected, allowing workers to address the issue and prevent the production of defective products.

Benefits of Jidoka

  1. Quality Improvement: Jidoka helps build quality into the production process, reducing defects and ensuring that only products meeting quality standards are delivered to customers.
  2. Empowerment of Workers: By empowering workers to stop production and address issues, Jidoka fosters a sense of ownership and responsibility among employees.
  3. Waste Reduction: Detecting and addressing abnormalities promptly minimizes the production of defective goods, reducing waste and rework.
  4. Continuous Improvement: Jidoka encourages a culture of continuous improvement, as workers focus on identifying and resolving root causes of abnormalities.

Challenges of Jidoka

  1. Balancing Automation and Human Intervention: Striking the right balance between automation and human intervention in the production process can be challenging.
  2. Worker Training: Implementing Jidoka requires proper training and engagement of workers to ensure effective utilization of the principle.


Jidoka is a fundamental principle of Lean Manufacturing that emphasizes building quality into the production process and empowering workers to stop production when abnormalities are detected. By promoting early detection and resolution of issues, Jidoka ensures that only high-quality products are delivered to customers, reducing waste and enhancing overall Efficiency. Although implementing Jidoka may present challenges, the benefits of improved quality, empowered workers, and a culture of continuous improvement make it an essential element of lean production systems.


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