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  1. Article

    Open Access

    DIPS (Dystonia Image-based Programming of Stimulation: a prospective, randomized, double-blind crossover trial)

    Deep brain stimulation of the internal globus pallidus is an effective treatment for dystonia. However, there is a large variability in clinical outcome with up to 25% non-responders even in highly selected pr...

    Florian Lange, Jonas Roothans, Tim Wichmann in Neurological Research and Practice (2021)

  2. Article

    Open Access

    Mechanical properties of CAD/CAM-fabricated in comparison to conventionally fabricated functional regulator 3 appliances

    Manufacturing of Fränkel's functional regulator 3 (FR3) is complicated and requires extensive knowledge from the dental technician. To determine whether FR3s produced by CAD/CAM techniques (CAD-FR3) meet simil...

    Christoph Roser, Lutz D. Hodecker, Chris Koebel, Christopher J. Lux in Scientific Reports (2021)

  3. Article

    Open Access

    Evaluation of magnetic resonance imaging artifacts caused by fixed orthodontic CAD/CAM retainers—an in vitro study

    Magnetic resonance imaging (MRI) image quality can be severely impaired by artifacts caused by fixed orthodontic retainers. In clinical practice, there is a trend towards using computer-aided design/computer-a...

    Christoph Roser, Tim Hilgenfeld, Sinan Sen, Tobias Badrow in Clinical Oral Investigations (2021)

  4. Article

    Open Access

    Expression of apoptosis repressor with caspase recruitment domain (ARC) in familial adenomatous polyposis (FAP) adenomas and its correlation with DNA mismatch repair proteins, p53, Bcl-2, COX-2 and beta-catenin

    Colorectal familial adenomatous polyposis (FAP) adenomas exhibit a uniform pathogenetic basis caused by a germline mutation in the adenomatous polyposis gene (APC), but the molecular changes leading to their deve...

    Christoph Roser, Csaba Tóth, Marcus Renner in Cell Communication and Signaling (2021)

  5. No Access

    Chapter and Conference Paper

    The Production Cultural Biorhythm as a New LEAN Learning Process

    Bottlenecks limit value streams, extend lead times and thus cause high costs. ADaM24 provides a new approach to bottleneck problems by offering Advanced Data Management over 24 h for individual and organizatio...

    Bernd Langer, Bernd Gems, Yannik A. Langer, Maik Mussler in Learning in the Digital Era (2021)

  6. No Access

    Chapter and Conference Paper

    Practical Estimation of the Impact of a Reduction of the Number of Kanban Cards on the Delivery Performance

    Kanban systems are the best-known variant of pull systems and a cornerstone of lean manufacturing. Kanban systems help to maintain a good material availability in relation to the inventory. One of the main adj...

    Christoph Roser, Yannik Regending in Advances in Production Management Systems.… (2021)

  7. No Access

    Chapter and Conference Paper

    A Framework and Qualitative Comparison on Different Approaches to Improve the Lean Skillset

    Lean Manufacturing is considered to be one of the major frameworks in improving manufacturing performance. Yet, a majority of lean improvement projects fail to generate a benefit for the organization. The prob...

    Christoph Roser, Bernd Langer, Claas-Christian Wuttke in Learning in the Digital Era (2021)

  8. No Access

    Chapter and Conference Paper

    An Enhanced Data-Driven Algorithm for Shifting Bottleneck Detection

    Bottleneck detection is vital for improving production capacity or reducing production time. Many different methods exist, although only a few of them can detect shifting bottlenecks. The active period method ...

    Christoph Roser, Mukund Subramaniyan in Advances in Production Management Systems.… (2021)

  9. No Access

    Chapter and Conference Paper

    A Simulation-Based Performance Comparison Between Flow Shops and Job Shops

    It is well known in manufacturing that a flow shop usually outperforms a job shop for comparable products. This paper aims to understand the impact of routing variability on WIP inventory, lead time, and deliv...

    Christoph Roser, Daniel Ballach, Bernd Langer in Learning in the Digital Era (2021)

  10. No Access

    Chapter

    Advances in Production Management Systems: Issues, Trends, and Vision Towards 2030

    Since its inception in 1978, the IFIP Working Group (WG) 5.7 on Advances in Production Management Systems (APMS) has played an active role in the fields of production and production management. The Working Gro...

    David Romero, Gregor Von Cieminski in Advancing Research in Information and Comm… (2021)

  11. No Access

    Chapter and Conference Paper

    Proposal of a Beer Distribution Game Considering Waste Management and the Bullwhip Effect

    The beer distribution game is a role-playing board game that also helps people learn about the importance of supply chain management. However, the game does not include the major difficulties in managing food...

    Mizuho Sato, Masaru Nakano, Hajime Mizuyama, Christoph Roser in Serious Games (2020)

  12. No Access

    Chapter and Conference Paper

    The Power of Six: Relation Between Time and Money in Manufacturing for Segments of the Value Stream

    A major influence on the cost of a product is the time it takes to make this product. Traditional cost accounting can grasp part of this relation, but misses many critical aspects of having a faster time to th...

    Christoph Roser, Bernd Langer, Jochen Deuse in Proceedings of the 6th European Lean Educa… (2020)

  13. No Access

    Article

    CaboACC: Cabozantinib beim fortgeschrittenen Nebennierenkarzinom nach Versagen der Standardtherapie

    PD Dr. Dr. Matthias Kroiß, Dr. Maria-Elisabeth Goebeler, Christoph Röser in Forum (2019)

  14. Chapter and Conference Paper

    Practical Boundary Case Approach for Kanban Calculation on the Shop Floor Subject to Variation

    Determining the number of kanban in a pull production is essential for a good system performance. While this is simple in a static case, it becomes much more challenging if the system is subject to variations,...

    Christoph Roser, Daniel Nold in Advances in Production Management Systems.… (2019)

  15. Chapter and Conference Paper

    Options for Maintaining Weak FIFO in Parallel Queues

    Maintaining a FIFO sequence is a common aspect of manufacturing, especially in lean manufacturing. This can easily be realized by having FIFO lanes, where items are added at one end and removed at the other en...

    Kaan Kalkanci, Christoph Roser in Advances in Production Management Systems.… (2019)

  16. Chapter and Conference Paper

    A Small Dice Game for the Kingman Formula

    There are three main factors influencing the waiting time of a single-arrival single-process system: the utilization, the fluctuation of the arrival, and the fluctuation of the process time. The influence of t...

    Christoph Roser, Masaru Nakano in Advances in Production Management Systems.… (2018)

  17. Chapter and Conference Paper

    Effect of Prioritization on the Waiting Time

    In industry, it is common to prioritize some orders over others. This is done to reduce the lead time and waiting time of these prioritized orders, hence the customer will get the order earlier than otherwise....

    Yannic Jäger, Christoph Roser in Advances in Production Management Systems.… (2018)

  18. Chapter and Conference Paper

    Relationship Between Variants and Inventory Under Consideration of the Replenishment Time

    It is common wisdom that the finished goods inventory increases with the number of variants stored in that inventory. However, to the best of our knowledge, this has never been verified. This paper presents re...

    Christoph Roser, Hauke Meier, Masaru Nakano in Advances in Production Management Systems.… (2017)

  19. Chapter and Conference Paper

    Bottleneck Prediction Using the Active Period Method in Combination with Buffer Inventories

    Knowing the bottleneck is one of the keys to improving a production system. The active period method is one approach to detect shifting bottlenecks that most other bottleneck detection methods have problems wi...

    Christoph Roser, Kai Lorentzen, David Lenze in Advances in Production Management Systems.… (2017)

  20. Chapter and Conference Paper

    Supermarkets vs. FIFO Lanes: A Comparison of Work-in-Process Inventories and Delivery Performance

    Pull production is a key element for a lean manufacturing system. In pull production, buffer inventories between two processes can be implemented either through a FIFO lane as part of a kanban loop, or through...

    Denis Wiesse, Christoph Roser in Advances in Production Management Systems.… (2016)

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