Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:58:04.116463Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 34 of 34 outbound references and 0 inbound Pith citation observations for arXiv:1908.02243.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T14:58:04.116463Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
34 of 34 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 4a4bfb0d-e060-473a-8ed3-998d7d6a65c1 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design and implementation of a ball-driven omnidirectional spherical robot,
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ad0da5d2-4613-47d2-878a-838945bc6715 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot A Review of Active Mechanical Driving Principles of Spherical Robots,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 04a1ab5a-f295-4705-96be-4855b3a841ec · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot A literature review on the design of spherical rolling robots,
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f96bfe74-2151-4269-ab81-1b00db018ee9 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Kinematics of Spherical Robots Rolling Over 3D Terrains
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0df9e830-4541-4ca4-9425-4b2dd22eda19 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot An autonomous spherical robot for security tasks,
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 70db2e58-aad5-4888-b3a7-e3aee7cffee2 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design and performance evaluation of an amphibious spherical robot,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 95c77091-1960-480f-8c1f-3b8fb862c333 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot A back-stepping based trajectory tracking controller for a non-chained nonholonomic spherical robot,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 669652a8-754c-4d54-aefe-b9b32109bb74 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Moisture measurement in crops using spherical robots,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0c738f39-c288-4e34-8f28-c63e86920412 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Perspectives on mobile robots as tools for child development and pediatric rehabilitation,
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fea90809-b2de-4010-b8e9-d666f2fb977b · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Roball, the rolling robot,
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 97e11be5-14cc-44b1-b9bf-246f018b8475 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design, analysis and experiments of an omni-directional spherical robot,
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation efae25b3-2304-42de-8401-44ac73075f0e · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Dynamic modeling and control strategy for turning in place motion of a two-coaxial pendulums driven spherical inspector based on stick–slip principle,
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d2d2121b-3eeb-47a7-ae23-d19ee66a1550 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Path tracking control of a spherical mobile robot,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8e36b0bb-f289-4bcd-84c2-e47afb58da48 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Observer-Based Sliding Mode Control for Path Tracking of a Spherical Robot,
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5089344e-5ca9-43ca-96fd-ae27ef6cb25d · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design and Analysis of a Four-Pendulum Omnidirectional Spherical Robot,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 22978da0-cb22-4b8e-9fba-8f1f65c668eb · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Dynamic modeling and obstacle-crossing capability of flexible pendulum-driven ball-shaped robots,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation beb3db8a-466d-4bb5-82b6-3d50f0422e46 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Analysis of Actuation for a Spherical Robot,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 656d49d6-89e1-4f93-ae31-76719bcd958b · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design, Fabrication and Control of Spherobot: A Spherical Mobile Robot,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7dee52b2-ffcf-48e0-9c66-2c3a95df1061 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design and analysis of a spherical mobile robot,
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5e7c78da-3aa4-41e8-9e90-2ae3d239401e · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Dynamic modeling and trajectory planning for a mobile spherical robot with a 3Dof inner mechanism,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 41a50813-d41c-4a9d-aeb6-668dbac35289 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Introducing glory: A novel strategy for an omnidirectional spherical rolling robot,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 439ac5ae-34b4-4775-8e9d-83eefeb71631 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design, analysis and experiments of an omni-directional spherical robot,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 12a010af-cffc-434e-96ab-c7304f054ecd · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Design and control of a spherical mobile robot,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a7dfb3eb-bffa-4dee-b128-e27808d820c4 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Outdoor navigation with a spherical amphibious robot,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 45c3f9f5-8aab-4e90-a804-865b93b47c5e · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Spherical robot with new type of two-pendulum driving mechanism,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8e8a4e66-d82b-415b-b722-59d0d2ecaac8 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Dynamics and motion control of a two pendulums driven spherical robot,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f8220b99-6347-4160-be6e-6a36c2746806 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Control system for a spherical robot,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 10f505ac-8c83-4303-a395-7d43e0b8f0d4 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Modeling and control of a spherical rolling robot: a decoupled dynamics approach,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9b1157c2-2bfb-4a3d-a84b-e27266b6a719 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Modelling and control of a non-holonomic pendulum-driven spherical robot moving on an inclined plane: simulation and experimental results,
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8ecf6576-08fb-4fd9-b1a3-32a97b731a35 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Mathematical modelling and control of a nonholonomic spherical robot on a variable-slope inclined plane using terminal sliding mode control,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 27b1d65a-6b83-4503-91c1-3cb320f8d6e9 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot The Euler-Poincaré equations for a spherical robot actuated by a pendulum,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ed491580-4cd0-4b3d-898f-084397980ca7 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Unresolved cited work
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e0580486-cc05-4d5b-84d4-a293cd64a772 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Corke, Robotics, Vision and Control: Fundamental Algorithms In MATLAB® Second, Completely Revised
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 32a910d8-efa8-4a51-8092-0b4e8934abb8 · outbound
Design, Modeling, and Control of Norma: a Slider & Pendulum-Driven Spherical Robot Modern Robotics-Mechanics, Planning, and Control: Video supplements and software,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
No inbound Pith citation observations are available.