Response-time analysis of limited-preemptive parallel DAG tasks under global scheduling

Most recurrent real-time applications can be modeled as a set of sequential code segments (or blocks) that must be (repeatedly) executed in a specific order. This paper provides a schedulability analysis for such systems modeled as a set of parallel DAG tasks executed under any limited-preemptive global job-level fixed priority scheduling...

Improving RCPSP algorithms using machine learning methods

For performing technical maintenance, it is important to keep a detailed schedule of resources and temporal constraints. The Resource Constrained Project Scheduling Problem (RCPSP) is a well de- fined scheduling model with both resources and temporal constraints. Precedence Constraint Posting (PCP) is a technique to solve the NP-hard RCPSP...

Towards Zero-Overhead Disambiguation of Deep Priority Conflicts

Context Context-free grammars are widely used for language prototyping and implementation. They allow formalizing the syntax of domain-specific or general-purpose programming languages concisely and declaratively. However, the natural and concise way of writing a context-free grammar is often ambiguous. Therefore, grammar formalisms support...

A common perspective

A new intervention has been placed in the suburbs of Bogotá. This new design aims to fight the monotony of large infrastructural arteries running through the city, whilst connecting two neighbourhoods and reclaiming space for the pedestrian. A network of pedestrian bridges connect the scattered brick towers and together with the adjacent park...

Towards Precedence that Justifies the Knowledge Claims of Design Methods

This paper analyses the relation between the precedence of a design method and the justification of the method. A design method is assumed to advance two knowledge claims concerning its domain of application: that it is an effective means for designing and that it is an efficient means for doing so. It is argued that precedence of a method can...

A method for Precedent Analysis of Spatial Artefacts

This paper will treat two issues regarding innovative/ creative morphological analysis of spatial artifacts in relation to their Form, Operation and Performance. One will be about precedents and their usage in the design process, analogically; and second will be an example of a comparative (architectural) precedent analysis of two buildings of...

Improving PCP algorithms using flexibility metrics: Creating flexible schedules for Technical Maintenance

In this work we improve on existing scheduling techniques suitable for scheduling problems at the train maintenance provider, NedTrain. Scheduling problems that require flexible solutions can be modeled using variations of the Resource Constraint Project Scheduling Problem (RCPSP), which can be solved using Precedence Constraint Posting (PCP)....

Visualisatie en ondersteuning bij planning en scheduling

Dit verslag is het resultaat van het bachelorproject van onze studie Technische Informatica aan de Technische Universiteit Delft. Bij dit project is het de bedoeling om de aangeleerde concepten en ontwikkelmethoden toe te passen in een realistisch project. Hierbij dient het volledige proces van softwareontwikkeling te worden doorlopen. Tevens is...

Learning from complexity

Architectural design has become disconnected from a slow changing tradition on the one hand and from a traditional way of building on the other hand. All interventions, whether the results of necessity, planning or design have a decision making process in common, a spiral of See Want Can Do. It needs a structure of decision-making and...

Precedent analysis in landscape architecture: In search of an analytical framework

Precedent analysis is the systematic analysis of plans that enables comparison between plan types as well as within a plan type. The goal is generic design knowledge that can be of use in day-to-day practice and theory development. The core issue in this paper is how the successful approach of precedent analysis in architecture developed by...

Heuristic solution for resource scheduling for repetitive construction projects

Construction project planning and control are core processes for building project management. In practice project time management is achieved by computer based techniques like Precedence Diagramming Method (PDM). Many researchers and practitioners claims that Networking techniques as such do not provide a suitable model for construction process,...

The Architectural Information Map: Semantic modeling in conceptual architectural design

This research focuses on the acquisition, representation, sharing and reuse of design information and knowledge in the conceptual phase of architectural design, and targets the creation of situated digital environments where communities of architectural practice communicate and collaborate using this information and knowledge. The utilizable...

Grammar Engineering Support for Precedence Rule Recovery and Compatibility Checking

A wide range of parser generators are used to generate parsers for programming languages. The grammar formalisms that come with parser generators provide different approaches for defining operator precedence. Some generators (e.g. YACC) support precedence declarations, others require the grammar to be unambiguous, thus encoding the precedence...

Design Analysis Network - An educational environment for architectural analysis

Information processing in design

Use and adaptation of precedents in architectural design. Toward an evolutionary design model

For centuries, architects have re-used design precedents in the conception of new design solutions. Whether explicitly - as in the case of Le Corbusier, James Stirling and Jo Coenen - or implicitly - as with J.J.P. Oud, Aldo van Eyk, and Santiago Calatrava - this practice has led to very advantageous efficient, effective, and innovative results....

Types and precedents in design guidance