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Started in 2011 for low-latency massive ingestion and queries. Support and extensions available from Imply Data. Apache Kudu: C++ Released in 2016 to complete the Apache Hadoop ecosystem Apache Pinot: Java Open sourced in 2015 for real-time low-latency analytics. Support and extensions available from StarTree. Calpont InfiniDB: C++ ClickHouse: C++
The RCS Software Library is an archive of free C++, Java and Ada code, scripts, tools, makefiles, and documentation developed to aid programmers of software to be used in real-time control systems (especially those using the Reference Model Architecture for Intelligent Systems Design). [1]
Time: This chapter defines a rich model of time that supports both the definition of physical and logical time properties;. [4] It comes with a companion language called CCSL defined as an annex. Generic Resource Modeling: This chapter offers extensions required to model a general platform for executing real-time embedded applications;
A reference model architecture is a canonical form, not a system design specification. The RCS reference model architecture combines real-time motion planning and control with high level task planning, problem solving, world modeling, recursive state estimation, tactile and visual image processing, and acoustic signature analysis.
When the design process is complete, a read only copy of the model is created, exported and made available to other project team members. The users can access all or part of the design information within the SIM regarding to their respective authorization levels. Private user data can be established and attached to the model.
The standard approach to control systems design is organized in two-steps: . Model identification aims at estimating a nominal model of the system ^ = (; ^), where is the unit-delay operator (for discrete-time transfer functions representation) and ^ is the vector of parameters of identified on a set of data.
The Data Distribution Service (DDS) for real-time systems is an Object Management Group (OMG) machine-to-machine (sometimes called middleware or connectivity framework) standard that aims to enable dependable, high-performance, interoperable, real-time, scalable data exchanges using a publish–subscribe pattern.
There is no delay in the timeliness of the information provided. Real-time data is often used for navigation or tracking. [1] Such data is usually processed using real-time computing although it can also be stored for later or off-line data analysis. Real-time data is not the same as dynamic data. Real-time data can be dynamic (e.g. a variable ...