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White Papers on Networking for Transportation Automation

ITS

3 Key Elements of a Robust Intelligent Transportation Network

In this article, we will discuss solutions to ensure ITS network reliability, efficient management of ITS operation and maintenance, as well as current ITS industry trends and best practices.

How to choose an outdoor IP camera

CCTV surveillance cameras are now a common sight in cities around the world, with cameras used at major intersections to catch speeders and would-be runners of red lights. However, as many drivers have learned, outdoor cameras have a high failure rate, and consequently only a fraction of the cameras installed are actually operational.

Industrial Ethernet Infrastructure: Key Selection Criteria

Due to the rapid rate by which networking technology is advancing, it is no wonder that selecting compatible and updated components can be difficult even for the most experienced automation engineers. With its focus on industrial networking, Moxa offers a broad range of Ethernet solutions well-suited for the demands and conditions required in any industrial automation network.

Transmission of Video Images for Transportation Management Systems

A typical Transportation Management System requires installing many video cameras. For example, it is now commonplace to see cameras located at regular intervals along the roadside when traveling on the highway. However, the problem faced by system administrators is that most of the cameras could be located up to several miles from the Central Traffic Control Center.

Redundant Ring Technology for Industrial Ethernet Applications

“Redundancy” is now one of the most important aspects of the industrial automation networks used for applications such as power utilities, transportation, and surveillance. In this white paper, we first discuss traditional redundant technology, including their network topologies and limitations. Next, we introduce “redundant ring” technology, and point out the advantages that redundant rings have over traditional systems.

Railway Transportation

New Locations and New Requirements for On Board IP CCTV

IP-based CCTV systems are becoming an absolute requirement for train operations. As IP cameras are deployed in more and more locations onboard a train, there is a corresponding increase in the performance, reliability, and design requirements for those IP cameras.

The 4 Most Useful Technologies for Train-to-Ground Communications

As train operations move towards increasingly computerized Unattended Train Operations (UTO), trackside control centers must process additional data, including video feeds from front and rear-facing cameras on the train. These additional processes consume more bandwidth, and need more robust Train-to-Ground (T2G) links to support them. But even as bandwidth requirements grow, the existing challenging requirements of T2G operations - mobility, low latency, and reliability - remain. In this white paper, we review four useful technologies that help system operators bring a seemingly insurmountable task down to size.

Improving Efficiency of Inter-Consist Communications Using Auto-Negotiations

Because train carriages and consists are frequently reconfigured, the speed and accuracy with which new inter-carriage and inter-consist links can be established are both key determinants in the overall operational efficiency of a railway operation. For this, auto-negotiation is a substantial time-saver, but it is also complicated to implement on networks that use more sophisticated networking technologies such as ring redundancy topology or wireless bridges. This white paper describes how modern railway solution providers have developed auto-negotiation strategies for both Layer 2 (communication-level) and Layer 3 (operations-level) networks.

5 Key Obstacles to Wayside and Carborne ATO Integration: An Automatic Train Operations (ATO) Case Study

Modern communications-based train control (CBTC) relies on the inter-operation of many different systems, including Wayside and Carborne Automated Train Operations (ATO) systems. When the WATO and CATO work together, the CBTC system can achieve tremendous synergy and efficiently deliver safe and consistent service. But first, the systems must be able to talk with each other.

Automatically Create Error-free Inter-carriage Connections

WDS or Wireless Distribution System provides data connectivity across train carriages using wireless. Undesirably, this system is has inadequate security, is bandwidth constrained and needs operator manual re-provisioning whenever the formation of the train carriages changes. This white paper illustrates how Moxa’s Auto Carriage Connection or ACC protocol eliminates these issues.

Choosing the Ideal Computers for Rolling Stock Applications

There are many rolling stock applications, each of which has specific requirements. This white paper is a guide to choosing the ideal computer for your rolling stock applications.

How to Build Industrial Computers that Resist Vibration and Shock

This white paper first explains some background about the physics behind vibration and shock, and then explores the specific mechanisms and technology used to build an industrial computer with high resilience against these harsh conditions.

Uninterrupted Train-to Ground Communications with Sub-50 ms Turbo Roaming

The architecture of 802.11 ground to train data communications requires technology that can provide uninterrupted data streams for the onboard requirements. This white paper discusses the solutions to maintain seamless connectivity at high speeds through such technology as Moxa’s Turbo Roaming deployed with Wide Area Controllers (WACs), specialized handoff parameters that can be effectively tweaked, and multiple redundancy measures to provide failsafe data links.

Marine Transportation

EDCIS Hardware and the Integrated Bridge

The marine industry’s mandated transition to the Electronic Charts Display and Information System is a revolutionary development in ships’ bridge systems. In this white paper, we show you how technological advances are aiding in modularization of bridge systems, and particularly how a new technique for calibrating color in ECDIS displays is simplifying the design and deployment of these systems.

Creating Embedded Computing Opportunities in Marine Shipping

This white paper explores the various unique challenges posed when deploying embedded computers in various locations on a seagoing vessel, and identifies how these challenges can be overcome by the rugged and robust products in Moxa’s product line.

How to Choose a Marine Computer: Criteria for Selection

Modern ships host an ever-increasing amount of electronic equipment. Learn how to select a computer that's up to the challenge of effectively managing these many devices in a demanding maritime environment.