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Nowadays, various transportation means use Linux as the operating system for their embedded control systems; however Linux uses all the processes in the hardware equally. This motivates some designer to develop an entire new Operating System for the vehicle; where a modification of Linux can produce the same and even a better product. This paper explains how this modification was designed and implemented...
This paper discuss the tradeoffs in implementation of Data Acquisition software developed for an embedded system for monitoring and controlling temperature and humidity running on real time Linux operating system. Real world physical parameters such as temperature and humidity are beyond the control of software processes running in the computer and are independent real world incidents are not governed...
The TrueTime toolbox simulates real-time control systems, including platform-specific details like process scheduling, task execution and network communications. Analysis using these models provides insight into platform-induced timing effects, such as jitter and delay. For safety-critical applications, the Time-Triggered Architecture (TTA) has been shown to provide the necessary services to create...
Remote controlling of devices or peripherals interfaced with an MCU is essential in couple of applications in Embedded Systems. Web Server is one of the best solutions to do such task if internet is available at such remote locations. The important aspect of this paper is to port an open source Embedded Linux operating system on the FPGA to manage the hardware resources. It is pre-emptible and can...
Embedded robotics controller is one of the most complex embedded systems. The specific hardware components required by each controller and the real time constraint lead to increase the complexity to design this kind of system. The availability of FPGA circuits and its associated hardware library combined with embedded Linux can improve the time to market, the stability and the power consumption of...
Traditional controllers for dyeing batch machines, which are mainly implemented on the obsolete 8-bit or 16-bit MCU or PLC platform, have some disadvantages in network communication, input and output ports, human-machine interaction, dyeing-program edition, control functions and so on. This paper proposes a new batch dyeing machine's controller based on the 32-bit embedded platform. It is realized...
Automotive industrials aim to reduce quantity of execution control units (ECU) in order to control vehicle cost and energy consumption. Following this trend, next-generation of automotive body/engine controllers will integrate more real-time functions on a same ECU with different safety levels and application domains. To reach this new challenge, safety must therefore be improved to ensure no interference...
Real-time systems are used in control applications. However, real-time systems may introduce undesirable effects on the control application. Stability, overshoot and settling time are affected when an inadequate real-time system is used. The uRT51 is an embedded processor designed for real-time applications. In this paper we analyse the perturbations that the uRT51 produces on a control application...
Queues are one of the most commonly used data structures in applications and operating systems. Up-and-coming multi-core processors force software developers to consider data structures in order to make them thread-safe. But, in real-time systems, e.g., robotic controls, parallelization is even more complicated as such systems must guarantee to meet their mostly hard deadlines. A considerable amount...
Programmable multi-axis controller (PMAC) is widely used in robot control system, most of them use industrial PC (IPC) as the host computer, but this cannot meet the request in some welding robot, which need economical, miniaturization and infinite variety. In this paper, PMAC+embedded system is designed in welding robot control system. The hardware of embedded system is based on SAMSUNG ARM S3C2410...
The ALICE experiment will utilize the Large Hadron Collider (LHC) at the European laboratory for particle physics, CERN. Various detectors are combined to detect and characterize the quark gluon plasma. The Detector Control System is an essential part for detector operation and covers aspects from gas supply and cooling to power supply and configuration of the detector front end electronics. The DCS...
Attention in this paper is concentrated on the characteristics of 16-bit C166 family SCM system and the preemptive and real-time multitasking kernel - muC/OS-II. muC/OS-II is configured for C167-LM microprocessor and ported to establish embedded development platform. On this basis, the design of ultrasonic reversing alarm system(URAS) is applied to the platform. The URAS includes five task modules...
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