Production technologies and systems for electric mobility

The characteristic mobility of highland populations in Southeast Asia relied to a large extent on their particular adaption to an ecological environment: swidden cultivation of tubers on mountain slopes. This ecology corresponded to cosmologies in which potency was limitless, or at least had no fixed and delimited precinct (as did the rice paddies and Buddhist realms in the valleys). Military state building, modern transport, and new crops and agricultural technologies have effectively ended swidden cultivation. In this article, I follow the pioneers of the plantation economy in the Wa State of Myanmar, who dispossess local populations of their land and employ them as plantation labour. The limits of growth and potency they encounter are (a) in the natural environment and (b) in the resistance of local populations. Yet, even though there are such limits, the potency to which these pioneers aspire is still limitless. It is however channelled through a new economy of life, epitomised in the plantation, nourished in excessive feasting, and maintained by the kinship dynamics of capture and care.

Evaluating the productivity gap between commercial and traditional beef production systems in Botswana

This paper examines the organizational features concerning the implementation of digital technologies in mechanical engineering production. When introducing advanced technologies into the production process, the main attention is usually paid to technical aspects, and insufficient attention is paid to organizational and economic aspects. The authors show that organizational factors are no less important than technical ones because they can generate transaction costs, the amount of which can level the economic effect caused by the introduction of new technologies. The machine-building production development testifies that together with technical innovations, organizational innovations were created, which contributed to the disclosure of the potential available for new technologies in the production system. By the example of machine-building enterprises, it is shown, that ignoring the organizational factors reduces the efficiency of modern digital technologies and requires additional costs for their implementation. A comprehensive approach to the implementation of advanced digital technologies is necessary to avoid unnecessary costs and to increase the efficiency of their use.

Rice producers in the Philippines operate in different physical environments that are largely beyond their control, especially in terms of the agroclimatic conditions they face. Each rice area requires a unique set of location-specific technologies to match its location-specific needs. The rice production frontier is expected to vary, depending on the degree of yield-enhancing interventions implemented by the government and adopted by farmers. Understanding differences in specific production frontiers in different production systems should provide better assessments of yield performance across different locations and enable rice scientists to develop location-specific technologies as well as disseminate appropriate technologies to farmers in different climatic zones. A precise analysis of productive efficiencies, technology gaps and technical change among these zones may contribute to a more accurate targeting and effective design of the government’s rice program. We measure technical efficiencies and technological gaps in rice production for farmers in four agroclimatic zones in the Philippines who may employ different production technologies according to environmental conditions. Climatic zone 3 is considered most favourable for rice production based on the intensity and distribution patterns of rainfall. A stochastic metafrontier function is used to compare mean technical efficiency and the environmental and technological gap ratio (ETGR) across climatic zones. We estimated four regional stochastic frontiers using the standard stochastic frontier model based on a translog functional form. A deterministic metafrontier production function was then fitted to the regional frontiers. Farm-level panel data were used from a three-round survey covering six cropping periods – the wet seasons of 1996, 2001 and 2006 and the dry seasons of 1997, 2002 and 2007. Results show surprisingly little interzonal variation in productivity. First, the production frontiers are quite stable across the different agroclimatic zones. The mean ETGR is quite high in all zones and varies in a narrow range from 0.83 to 0.87. Farmers operating in agroclimatic zone 3 are the most productive group followed by those operating in agroclimatic zone 2. Mean technical efficiencies of farmers in respect of their group frontiers are also closely grouped, ranging from 0.74 to 0.76. It appears that Philippine rice producers have been able to adapt their crop management strategies well to suit their particular agroclimatic conditions.

In this paper a novel information model that can be used in Manufacturing Execution Systems is presented. The model is based on the fusion of ISA95, AML and OPC UA. ISA95 is used to define, unify and describe the details of a product and production technology. It also enables communication with ERP systems. The AML standard allows information about the production facilities to be presented. The OPC UA address space represents different parts of an information model while the OPC communication protocol enables it to be linked to actual production systems. The proposed concept is illustrated using an actual example of a production line for electronic devices.

Nepal’s Agriculture has rapidly embraced the concept of development and assessment since the 1960s. However, the intricacies of the sector present an ongoing challenge in identifying the necessary policy actions to foster the evolution of agricultural innovation and technologies. This study aims to review policy provisions concerning agrarian technologies and innovations that stimulate the production system. Additionally, it identifies issues and gaps, formulating potential policy solutions. The research followed a comprehensive three-step process: firstly, listing and reviewing 54 agricultural policies, and 32 acts of Nepal using a set of thirteen indicators. After that, an assessment of implementation status was done. Then consultation and validation of findings were conducted with the experts in the workshops. The findings contribute to a better understanding of policy implementation and the promotion of sustainable agricultural practices. The study found that while many policies aimed to improve agricultural production and productivity, they lacked actual measures to support increased production, such as assisting with essential inputs like labour, capital, and complementary materials. Additionally, it revealed that approximately 9% of agricultural acts and 54% of policies included provisions for production and management system technologies and innovations. However, no policy provisions for developing production technologies were found for “source seed production” and “to conserve and utilize local resources”. The study identifies that the current resource allocations for innovative production systems and management technologies are inadequate, particularly in areas like climate change, food safety, nutrition, conservation, biotechnology, and mechanization.

Today production and logistic systems are getting more complex. This is a problem which the planning and design of such systems have to deal with. One main issue of production system development in series production is the planning of production processes and systems under uncertainty. New and existing production technologies are often not fully adoptable to new products. This is why some of the main characteristics, like, for example, cost, time, or quality, are not definable at the beginning. Only value ranges and probabilities can be estimated. However, the adaptation process is controllable, which means that the adaptation results are depending on the existing development budget and its resources. This paper presents an approach for the optimized allocation of development resources regarding the adaptation risks of production technologies and processes. The modeling concept GRAMOSA is used for integrated modeling and discrete event‐based simulation of the aspired production system. To this end a domain‐specific modeling language (DSML) is applied. The further risk‐based analysis of the simulation results and the optimized allocation of the development budget are done by use of mathematical optimization.

Management of new technologies in production and logistics

A framework for operative and social sustainability functionalities in Human-Centric Cyber-Physical Production Systems

Despite a growing body of evidence that highlights the economic, social and environmental benefits of mobile pastoralism, few governments are ready to tolerate mobility and many policy makers promote knowingly or inadvertently the policies of sedentarization. This production system seems not to be clearly understood by many and has been characterized as backward, environmentally destructive and economically unsustainable; and the view is that it should be replaced with more sedentary forms of livestock production or other beneficial land uses. The overriding question is whether sedentary livestock keeping is more productive and utilizes fewer resources and less space than the mobile pastoral system. This study carried out a comparative cost-benefit analysis of the two production systems in selected villages of Kiteto and Karatu districts. The aim was to come up with credible data to test this hypothesis. Two alternatives were compared in terms of their net present value (NPV) to test a null hypothesis. The alternative with an NPV greater than zero or higher than its alternative was accepted to be more viable compared with the one with an NPV less than zero or less than its alternative. Whenever the NPV of the sedentary production system in the analysis was shown to be greater than zero and/or greater than the NPV of the mobile pastoral production system the null hypothesis was accepted and vice versa. The study was conducted in Makame village of Kiteto District and Dofa village of Karatu District. Makame village represents a mobile pastoral production system while Dofa village represents a sedentary production system. The study employed a quantitative approach using a household survey in the two villages. The comparative cost-benefit analysis was carried out using monetary values derived from the livestock unit statistical approach. The findings have revealed that the average cost of maintaining a mobile pastoral and sedentary production systems are TSh90,096,333 and TSh112,295,200, respectively. The cost-benefit ratios are 1:0.5 for a mobile pastoral production system and 1:0.25 for the sedentary one.

Introduction to the special issue on mobility, climate change, and economic inequality

Commentary

The purpose is to develop a matrix for classifying production systems for construction with various degrees of industrialization. Previous attempts to classify industrialized production systems for construction focus on dimensions such as the design process, the product technology, or the supply chain structure, but none of them acknowledge the importance of how orders are actually won in the market and that different market segments have different requirements. Using production strategy theory as a base, a matrix is developed linking market requirements, via the product offering, to the design of the production system. The matrix positions typical production systems based on their respective degrees of product standardization and volumes relative to the degree of offsite production. Similar to production systems in manufacturing, production systems for construction also deliver manufacturing outputs at different levels, indicating that the choice of production system will affect the competitiveness of the company. The applicability of the matrix is exemplified through three case illustrations of concepts for industrialized building, and these show that the matrix can be used to analyse the production systems’ relative strengths and weaknesses. The matrix can also be used as a guide when developing new, or adjusting existing, production systems for industrialized building so that they will match market requirements and offer competitiveness.

With the increasing requirements on machine tools such as higher complexity, individuality and digitization, their maintenance becomes also more complex, which increases time consumption and demands special knowledge. The maintenance engineer can be supported in this process using the Augmented Reality (AR) technology, mobile devices and suitable production data. This requires the integration and adaptation of the maintenance documentation as well as further production systems and their data such as the CAD system, product data management (PDM) system, manufacturing execution system (MES) and CNC. For this purpose, a method is developed that allows an efficient integration process of various production data into an AR supported maintenance documentation. This includes concepts for the integration process of different production systems and data into an AR maintenance system as well as the design of the AR maintenance system architecture. Basis is the analysis of the required production and AR systems, data and processes. The aim of the method is to reduce the high expenditure of the overall planning process and the necessary expertise of the maintenance planner of the AR technology. The developed method is verified with different maintenance scenarios, production systems and data as well as machine tools and AR devices.

Housing production systems and technologies in developing countries: a review of the experiences and possible future trends/prospects