Find answers to frequently asked questions regarding Aurora, our flagship shelf-reading robot.

1. Can Aurora operate during open hours in a library?

For maximum operation efficiency, we recommend libraries to operate Aurora during closed hours when there is less human traffic. However, as Aurora does have built-in safety sensors, it is still possible to operate it during opening hours as well. That said, as an extra safety precaution we would suggest limiting Aurora from operating in Children’s sections.

2. How quickly can Aurora scan shelves?

Aurora’s scanning speed  will depend on the number of tiers on a shelf and the size of the books. If the spine of a book is wider than 2.5cm, it will be scanned at the speed of 0.1 m/s. 


To illustrate this, the robot can scan a shelf that is 9 meters long with 5 tiers in 10 minutes. 


For books thinner than 2.5cm thickness, the scanning speeds up to 0.05 m/s. For example, a shelf that is 6.5 meters long with 4 tiers will be finished in 11 minutes.

3. How can I view the results of a scan?

In a typical operation, the results of a scan will be uploaded to our SRMS or your LMS.

Results will arrive in batches throughout the day; in the morning, noon, and late afternoon. You will receive emails of the results in a PDF format.

In the SRMS shelf-reading app, you can select the results from a specific shelf and download the CSV file.

4. Can the robot scan books in odd positions (eg cover facing down, at the back of a row, placed on top, etc)?

The ideal placement of books is when its spine is facing out and placed orderly from left to right. Nonetheless, Aurora can still detect books which are faced down or hidden at the back.

However, books face down on metal surfaces may not be detected.

For books that are placed with the cover facing front and sorted from front to back, books at the back may not be detected.

5. I have magazines and CDs in my library. Can they be tracked?

If they are RFID-tagged and placed in the way books are normally shelved, it may be possible. However, if they are placed stacked up, or front-facing, then it is not possible.

If CDs are RFID-tagged, it may be possible to scan them. However due to the interference of material and casing, scanning accuracy may be significantly impacted.

For both, our team onsite will work with you to determine possibilities.

6. What if I have shelves with different tier heights?

Due to our patented technology, Aurora has the unique ability to adapt its scanning antennae to different shelves, including curved ones. 

7. Can a metal shelf affect the scanning result?

As long as there is sufficient distance between the RFID tag and the metallic surface, results will be unaffected.

We recommend placing books at least 3cm away from metal sides, and ideally using partitions made from plastic or wood.

8. What happens if there is an obstacle along the bookshelf? (eg books on the floor, stool or trolley along the shelves)

Aurora will skip shelves that have obstacles near them. There will not be any results at the end of the scheduled scan for a shelf that has been blocked.

For best results, we recommend operating Aurora at a time when obstacles and human traffic can be minimised, such as during closing hours.

9. What happens if the entrance to the docking room is blocked?

If Aurora is unable to return to its docking station at the end of a scheduled scan, it  will continue scanning shelves and attempting returns until its batteries are fully depleted.

Eventually the robot and PC will power down.

10. There are different call number ranges assigned to different shelves in the library, it is possible to shift the books after the initial configuration?

Aurora will determine the range of the call numbers automatically using a machine learning algorithm, and can adapt accordingly whenever books are reconfigured. There is no need to do any manual updating.

11. What if there are ramps in the library?

With the ability to move up ramps with a 5-degree inclination, Aurora can normally navigate autonomously in wheel-chair friendly environments.

12. How often does the robot need maintenance?

Maintenance frequency will be determined by the level of service indicated in your package with Senserbot.

This typically includes both preventive and yearly maintenance.

13. Is machine failure possible?

As Aurora is a machine, this can never be ruled out completely.

However, be assured that our engineers carry out extensive stress tests on each robot to ensure optimal performance before delivery.

Preventive maintenance will also assist in keeping Aurora in tiptop condition.

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