Greater autonomy thanks to modular vehicle fleet: Seamless indoor and outdoor operation in intralogistics

May 17, 2022

Seamless automation from indoor to outdoor: For the intralogistics of the future, Schiller Automatisierungstechnik GmbH and SICK are collaborating on a platform solution for a modular indoor/outdoor vehicle fleet comprising autonomous vehicles from picking robots and mobile platforms, lift trucks right through to autonomous tugger trains.

The topic of autonomous driving is not only gaining momentum in the automotive industry but also in particular in production logistics and intralogistics.
The topic of autonomous driving is not only gaining momentum in the automotive industry but also in particular in production logistics and intralogistics.

Driven by a kind of gold-rush atmosphere, the topic of autonomous driving is not only gaining momentum in the automotive industry but also in particular in production logistics and intralogistics – both indoors and outdoors as well. Flexible logistics concepts are replacing static systems and require scalable solutions.

“There is no such thing as a universal AGV, instead we actually need a chain of AGVs to take care of a variety of transport tasks”, explains Peter Stoiber, Division Head Mobile Robotics at Schiller and Managing Director at Mojin Robotics. With a view to automating the logistics chain of indoor and outdoor applications, Schiller Automatisierungstechnik GmbH therefore developed new “participants” that could autonomously complete their transport tasks either individually or as a group.

 

Interconnectable logistics by networked experts

To make safe autonomous driving in the production and intralogistics context possible, Schiller and SICK, as specialists in functional safety, embarked on a close cooperation in the form of a “Cooperate to innovate”. Their experts constantly exchanged ideas during the development phase. The breakthrough in regard to the certified safety sensors was the respective latest scanner developments from SICK: the microScan3 safety laser scanner for the indoor tugger trains, and the outdoorScan3 safety laser scanner for the outdoor solution. The safety laser scanners from SICK, with their 128 freely configurable fields and eight simultaneous protective fields, can be flexibly adapted to the requirements of the application. The protective field range of 4 m allows high speeds even while cornering and a stepwise speed reduction, thereby combining both functional safety and productivity.

“It was the outdoor scanner from SICK that first enabled us to even consider the outdoor capability,” reports Peter Stoiber. “There is no sense in developing a vehicle, tackling all the hurdles, and then having it all fail at certification.”

Safety laser scanners

 

Under the aegis of SCiO Automation, teams from Schiller Mobile Robotics and mojin robotics are continuing to work with SICK developers on concepts for optimizing the outdoor performance in extreme environmental and weather conditions. Mojin Robotics GmbH was founded in 2015 as a spin-off of the Fraunhofer Institute for Production Technology and Automation IPA and has been a subsidiary of Schiller since late 2020. “We jointly consider at the vehicle level, at the accessories level, and of course also at the sensor level what challenges still reveal themselves in outdoor applications. We can only address these through a joint dialog with expert customers and users,” says Michael Badeja, Product Manager safe outdoor automation, SICK AG.

In the case of the indoor tugger trains, you begin to hit the limits when goods need to be stored in different halls. The outdoor tugger trains were developed out of this necessity.

When you take a look around the production halls in the automotive industry, you can observe the autonomously driving indoor electric tuggers from Schiller. They each pull four trailers with manufacturing parts to the next place of use and transport a total weight of up to 3 tonnes with a total vehicle length of 10 meters. The manufacturing and storage buildings are several 100 meters apart, however. The automotive industry is therefore employing the outdoor variant from Schiller Automatisierungstechnik for routes through outdoor areas.

Modular indoor/outdoor fleet with autonomous vehicles
Modular indoor/outdoor fleet with autonomous vehicles
Modular indoor/outdoor fleet with autonomous vehicles
Modular indoor/outdoor fleet with autonomous vehicles

 

Industry 4.0 components integrated into the overall concept

The gap between indoor and outdoor is able to be bridged by the autonomous logistics and picking assistant LUKA (AMC-UR10). The generic term AMC stands for “Autonomous Mobile Cobot”. It was developed by Schiller and Mojin Robotics in order to eliminate automation gaps in internal supply chains, boost productivity, and free up specialist staff. When a tugger train drives into a warehouse, for example, it can be loaded there with small load carriers by a LUKA – in addition to or to complement automatic conveyor systems or manual loading/unloading. The tugger train then drives in the direction of production. There another LUKA awaits it to take over the small load carriers from the trailers and distribute them along the production line. The Mobile Cobot can also temporarily transfer the carriers indoors onto outdoor automatic guided vehicles. This is a technological solution that Schiller developed as part of an overall package for optimizing a seamless logistics chain.

Space-saving and flexible - autonomous mobile robots with UR10 work well in a team.
Space-saving and flexible - autonomous mobile robots with UR10 work well in a team.
Space-saving and flexible - autonomous mobile robots with UR10 work well in a team.
Space-saving and flexible - autonomous mobile robots with UR10 work well in a team.

The company brands within the SCIO Group have each enjoyed a decades-long history of growing success. The establishment of the SCIO platform has united sound knowledge and the advantages of a partnership with other successful brands in the same or related industry fields.

This has enabled, for example, the creation of an innovative overall system comprising smart individual components. The linking of the know-how of two technology leaders has turned a vision of the future into reality and brought movement into the “vehicle fleet”.

 

Upgrade for existing transport systems

It is not necessary to purchase a completely new autonomous tugger train from Schiller; the existing transport system can be used. It is sufficient to start with a commonly available electric tugger, which Schiller can upgrade to an autonomous tugger train. This substantially reduces the investment costs. The upgrade kit contains sensors from SICK for localization and protection of the vehicle: the NAV-LOC localization system (consisting of a 2D-LiDAR sensor and the Sensor Integration Machine SIM2000) and the microScan3 safety laser scanner as well as a controller. The autonomous tugger train can continue to be operated manually by a driver. “In this way we allow companies to gradually expand their intralogistics into an overarching autonomous mobile robot solution,” outlines Peter Stoiber in regard to the options.

LiDAR localization
Safety laser scanners

“The near future will be characterized by the ongoing digitalization of all areas of life and work in which Industry 4.0 and IoT have become reality: Fully automatic storage areas integrated seamlessly into manufacturing facilities, mobile platforms on safe high speed routes,” anticipates Michael Badeja. “Safety will mean even more in future: Protection of humans in an increasingly dynamic environment of mobile robots and machines.”

Companies that automate their intralogistics processes beyond the boundaries of halls and want to make it I4.0 ready can achieve growth with the help of scalable solutions.

 

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