RLS is a leading manufacturer and supplier of magnetic encoders for the AGV industry. With a wide range of design variants, industry standard output options, RLS encoders offer easy installation and reliable operation for years.

In logistic AGV/AGC sector, the successful manufactures can keep their profits around 25% because of the hard competition in the industry.

A gripper is a tool mounted on the equipment to grip work pieces. By opening and closing the fingers powered by electric motors or pneumatics the gripper grips and release work pieces. Gripper can grip various materials in different weights and sizes with different force.

Challenges of AGVs


In order to have the AGV to be able to determine the exact position when loading/unloading/stacking the material, an encoder has to give accurate position. Once the AGV needs to be adjusted by the operator, it will waste time, resulting in low efficiency and even affecting the entire manufacturing process. RLS magnetic encoders can achieve an accuracy of 0.5°.

Compact design and easy installation

The encoders need to be compact. For example, many forklifts are designed to be very compact to meet the requirements of modern logistics facilities; many embedded AGVs are low and compactly designed to meet the requirements of smart warehousing. Easy installation in the drive system is also an advantage.

Shock and vibration resistance

When AGVs operate in the plant or warehouse, they inevitably cause certain shocks and impacts due to uneven floors and messy objects. Therefore, the selected encoder must be highly resistant to shock and vibration to maintain its accuracy in the complicated environment.

Why electric grippers?

Usually servo, BLDC or stepper motor are used to move fingers of a gripper/grasper.

Main advantages compared to other type of grippers:

  • New born product compared to pneumatic
  • High accuracy and repeatability
  • Lower cost
  • Silent in operation
  • Easy maintenance

Why RLS magnetic encoders?


  • Best-in-class quality and reliability achieved through superior design and manufacturing processes.
  • Sine/cosine feedback is available as a standard type of motor position feedback.
  • Robust design, suitable for demanding AGV environments.
  • Encoder protected to IP68, against possible ingress of dust and water.
  • Compact size and high performance make RLS encoders easy to install even in confined spaces.


  • Machine loading/unloading
  • Assembly lines
  • Material transfer
  • Manufacturing processes