Group Covariance and Optimal Information Processing

2016 ◽  
pp. 69-119 ◽  
Author(s):  
Masahito Hayashi
Keyword(s):  
Information Processing ◽  
Optimal Information

Establishing Workload Acceptability: An Evaluation of a Proposed Kc-135 Cockpit Redesign

1992 ◽  
Vol 36 (1) ◽  
pp. 17-21 ◽  
Author(s):  
Justin Rueb ◽  
Michael Vidulich ◽  
John Hassoun
Keyword(s):  
Information Processing ◽  
Assessment Tools ◽  
System Evaluation ◽  
High Fidelity ◽  
Common Part ◽  
Assessment Technique ◽  
Subjective Workload ◽  
Optimal Information ◽  
Performance Results ◽  
Determine System

Workload assessment has become a common part of system evaluation. Workload assessment is an important adjunct to performance measurement because the operator is sometimes flexible enough to disguise excessively demanding systems by expending additional effort to overcome optimal information processing limits. This is often referred to as the problem of determining a “workload redline.” The present paper recounts an evaluation of a proposed redesign of the KC-135 tanker aircraft cockpit. The current KC-135 cockpit has three crew positions: pilot, copilot, and navigator. As part of a proposed redesign, modern automation capabilities to replace the navigator were considered. Ten operational KC-135 crews and two KC-10 crews were studied while performing missions of differing levels of workload in a high-fidelity simulator. Three main classes of data relevant to the redline issue were collected: Performance data. Subjective Workload Assessment Technique (SWAT) ratings, and Subjective WORkload Dominance (SWORD) ratings. Evaluation of the performance results demonstrated that the redesigned cockpit could be flown in accordance to regulations. This was a necessary first step, but could not ensure that acceptable workload had been obtained. Taken together, the SWAT and SWORD results strongly suggested that acceptable performance can be achieved at acceptable level s of workload. In conclusion, the present study is a prototypical example of using available assessment tools to determine system acceptability. These tools should be useful for many other system evaluations.

SEARCH OF OPTIMAL COMPROMISE BETWEEN REQUIREMENTS IN SPHERE OF INFORMATION PROCESSING AND RESOURCES REQUIRED FOR THESE TASKS

2019 ◽  
pp. 78-81
Author(s):  
N. Yu. Kovalchuk
Keyword(s):  
Information Processing ◽  
Integrated Assessment ◽  
System Analysis ◽  
Objective Assessment ◽  
Automated System ◽  
Processing Strategy ◽  
Complex Information ◽  
Optimal Information ◽  
Information Processing Strategy ◽  
Selection Of

The possibility of using the fundamentals of system analysis when choosing the optimal information processing strategy in the design of complex information systems with the aim of obtaining a complete and objective assessment of information resources, implemented in the interest of analyzing the technical characteristics of integrated information processing tools of complex automated systems, is considered. Information risk analysis was carried out, i.e. the process of integrated assessment of information processing in an automated system with the transition to quantitative or qualitative indicators. In addition, each indicator represents the probable damage, which depends on the information processing in the system. The process of identifying and reducing risks that can affect the information system is understood as the process of risk management. The results of the analysis are used in the selection of information processing facilities and in evaluating the effectiveness of existing and projected subsystems.

Language processing is not a race against time

2016 ◽  
Vol 39 ◽  
Author(s):  
Giosuè Baggio ◽  
Carmelo M. Vicario
Keyword(s):  
Information Processing ◽  
Human Brain ◽  
Language Processing ◽  
Cognitive Functions ◽  
Memory Systems ◽  
Language System ◽  
Moderating Factors

AbstractWe agree with Christiansen & Chater (C&C) that language processing and acquisition are tightly constrained by the limits of sensory and memory systems. However, the human brain supports a range of cognitive functions that mitigate the effects of information processing bottlenecks. The language system is partly organised around these moderating factors, not just around restrictions on storage and computation.

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