Vehicle Used In Agriculture Or Construction

Performance Criteria and Tests for Functional Safety and Machine Control Systems (MCS) Using Electronic Components

Tractors And Machinery For Agriculture And Forestry

A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery used in agriculture or construction. Most commonly, the term is used to describe a farm vehicle that provides the power and traction to mechanize agricultural tasks, especially (and originally) tillage, but nowadays a great variety of tasks. Agricultural implements may be towed behind or mounted on the tractor, and the tractor may also provide a source of power if the implement is mechanized.

Tractors And Machinery Applications

• Farm Tractor: The farm tractor is used for pulling or pushing agricultural machinery or trailers, for plowing, tilling, disking, harrowing, planting, and similar tasks.
• Precision Agriculture: Space technology has been incorporated into agriculture in the form of GPS devices, and robust on-board computers installed as optional features on farm tractors. These technologies are used in modern, precision farming techniques.
• Engineering Tractors: The durability and engine power of tractors made them very suitable for engineering tasks.
• Backhoe Loader: The most common variation of the classic farm tractor is the hoe, also called a hoe-loader.
• Compact Utility Tractor: A compact utility tractor (CUT) is a smaller version of an agricultural tractor, but designed primarily for landscaping and estate management tasks rather than for planting and harvesting on a commercial scale.
• Row-crop Tractor: A row-crop tractor is tailored specifically to the growing of crops grown in rows, as in truck farming, and most especially to cultivating.

Tractors And Machinery Safety

Agriculture in the United States is one of the most hazardous industries, only surpassed by mining and construction. No other farm machine is so identified with the hazards of production agriculture as the tractor. Tractor-related injuries account for approximately 32% of the fatalities and 6% of the nonfatal injuries in agriculture. Over 50% is attributed to tractor overturns. Making safe machines has become a top priority goal and in recent years, various standards have been published.

• ISO 25119-1: Tractors and machinery for agriculture and forestry -- Safety-related parts of control systems -- General principles for design and development
• ISO 25119-2: Tractors and machinery for agriculture and forestry -- Safety-related parts of control systems -- Concept phase
• ISO 25119-3: Tractors and machinery for agriculture and forestry -- Safety-related parts of control systems -- Series development, hardware and software
• ISO 25119-4: Tractors and machinery for agriculture and forestry -- Safety-related parts of control systems -- Production, operation, modification and supporting processes

Part 1: General Principles For Design And Development

ISO 25119-1:2010 sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture.

Part 2: Concept Phase

ISO 25119-2:2010 specifies the concept phase of the development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture.

Part 3: Series Development, Hardware And Software

ISO 25119-3:2010 provides general principles for the series development, hardware and software of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture.

Part 4: Production, Operation, Modification And Supporting Processes

ISO 25119-4:2010 provides general principles for the production, operation, modification and supporting processes of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture.

Part 1/2/3/4: Safety-Related Parts Of Electrical/Electronic/Programmable Electronic Systems

ISO 25119-1/2/3/4:2010 is applicable to the safety-related parts of electrical, electronic, programmable electronic systems (E/E/PES). As these relate to mechatronic systems, it does not specify which safety functions or categories are to be used in a particular case. It can also be applied to municipal equipment (e.g. street‑sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.

CONTINUATION:

HMI Products Meet Standards and Performance

Increasing complexity in the HMI hardware, electronic, and software systems used throughout automotive technologies has increased the complexity of achieving safety compliance for automotive manufacturers. New automotive standards like ISO 26262, released in November of 2011, aim to provide a common standard to measure how safe an automotive system will be in service. The ISO 13849 provides safety requirements and guidance on the principles for the design and integration of safety-related parts of control systems (SRP/CS), including the design of software. And the IEC/EN 62061 provides requirements that are applicable to the system level design of all types of machinery safety-related electrical control systems and also for the design of non-complex subsystems or devices.

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