Safety evaluation of collaborative robots: Cost reduction with a dynamics simulator!
AGX Dynamics
Significant reduction in costs and man-hours! We propose a solution that conducts safety evaluations before the on-site implementation of collaborative robots and AGVs using a dynamics simulator.
Before implementing machines that work within human movement lines, such as collaborative robots and automated guided vehicles (AGVs), it is necessary to conduct an appropriate safety assessment. This safety assessment requires the use of actual robots to recreate various scenarios, which can be costly and time-consuming. However, by performing this assessment on a computer, significant reductions in cost and labor can be achieved. By combining traditional computer simulation technology with a module known as a physics engine, which calculates mechanical behavior, it is possible to simulate collisions and impact forces in advance on a computer. Furthermore, by using the professional-grade physics engine "AGX Dynamics," which is highly regarded in the robotics and machinery industry, this process can be conducted in a more "accurate" and "rapid" manner. At this time, it is also possible to custom integrate information that users possess, such as CAD data of the robot and robot controllers, allowing for the recreation of a simulation environment that closely resembles actual field conditions, thereby enabling a more accurate safety assessment.
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basic information
We provide not general-purpose software, but tools and technical consulting for building custom simulators tailored to each user, as well as system development on a contract basis as needed. Development is carried out using game engines such as Unity and programming languages like Python and C++. Implementation into the user's existing systems and software is also possible, and in this case, we provide a license for the library of the physics engine "AGX Dynamics." (Technical consulting and implementation on a contract basis are available as needed.) We respond flexibly according to the user's objectives and resources, so please feel free to consult with us.
Price information
It varies depending on the modules used and the licensing system. For more details, please contact us.
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Applications/Examples of results
In Japan and Europe, there are use cases in the following industries and applications. 【Industries】 Industrial robot manufacturers Construction and civil engineering machinery manufacturers Large machinery manufacturers Automobile manufacturers Electronics manufacturers General contractors Research institutions Universities
Detailed information
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This is a simulation of a wheel loader, terrain (soft ground), and earth excavation. It supports high-precision applications such as construction machinery and heavy equipment design and control verification, as well as high-speed simulations focused on real-time performance for training simulators. Recently, it is expected to be utilized in various developments aimed at construction automation.
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We are conducting simulations of rigid body grasping by robots. Generally, it is difficult to maintain stable simulations in grasping states, but it is possible to handle them stably by optimizing the constraints. Additionally, various parameters can be obtained within the simulation, such as reaction forces at contact points and the torque of each robot axis, making it a promising application for use in teaching-less systems and in conjunction with artificial intelligence.
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This is a cable simulation. AGX Dynamics handles rigid body constraint simulations, so it cannot fundamentally deal with flexible materials. In this cable simulation, the cable is represented by connecting many small rigid bodies with constraints, and by setting parameters for damping and elasticity in those constraints, we can reproduce the behavior of the cable we want to simulate. Additionally, this simulation has constraints with six degrees of freedom, allowing it to account for both movement and rotation. Therefore, it is possible to reproduce twisting phenomena. The advantage of AGX Dynamics' physics engine lies in the fact that connecting rigid bodies continuously with constraints that have six degrees of freedom does not lead to simulation divergence, and this is a point where the direct method solver is technically superior. This advantage is not only applicable to cables but also demonstrates superiority in accuracy and performance in simulations of mechanisms where each rigid body is stiffly connected, such as industrial robots and construction machinery.
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Company information
We provide technical consulting and contract development related to the construction of physical simulations. In collaboration with Algoryx Simulation AB in Sweden, we offer technical consulting to customers who wish to implement the professional-use physics engine "AGX Dynamics" into user applications and build custom simulators. Building a physical simulation environment requires a wide range of knowledge, including system planning, modeling, system identification, and modeling techniques, as well as physics, engineering, and mathematics. Additionally, various tools such as 3D CAD, programming languages like Python and C++, game engines, and control software like Matlab/Simulink may be needed for usage and integration. Our technical support team, which can provide these technologies as a one-stop solution, is our strength and feature.