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B-Pro Show 2021
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Elastic Choreography

Project details

Programme
Research Cluster RC2

Elastic choreographies explores the performative potentials of elastic robotic structures at an architectural scale. Large shape changes are achieved through the integration of modular, robotic, material systems with elastic structures known as bending active tensile hybrids (BATH). Inspired by the body movement of dancers, the project investigates how to design and control architectural robots to generate spatial performances. The robotic system comprises of BATH structures interacting with robotic actuators. Robotic components are employed to manipulate the position and to induce a controlled deformation of the BATH modules. The synergy between rigid body spatial assemblies and elastic structures generates a hybrid system that combines high precision kinematic control of rigid bodies with large deformations and intricate forms of a compliant system. The project envisions the emergence of dancing structures, providing a new paradigm for human, material, machine, and space architectures.

01

Architecture Kinesthetics

Architecture Kinesthetics

Human-Material-Machine Choreographies

Human-Material-Machine Choreographies

A city scale human and robot performance synced based on human movement.

Human and Machine Kinesthetics

Human and Machine Kinesthetics

The system’s functioning is conceptually derived from human kinesthetic movement. Bending rods and flexible fabrics are used to restrain, generate and control 3D forms. Dancer: Dwani Ruparelia.

Aggregation of Choreographies

Aggregation of Choreographies

A single robotic agent aggregates into multiple agents, forming a collective choreography spanning a larger area and creating a mesmerising large scale choreography of architecture.

Collective Performance Schematics

Collective Performance Schematics

These schematic images show, the intricate and delicate forms frozen in time during these collective performances. A robotic arm makes these movements possible.

Collective Performance Schematics

Collective Performance Schematics

Controlled movements generate appealing outcomes of architectural scales that can serve and deliver both utilitarian and artistic value to the predominantly static built environment.

02

Robotic Design

Robotic Design

Dance of the Bot

Dance of the Bot

A choreography of a human and a robotic agent that depicts the potential of a kinetic and responsive architecture. The structure can respond to auditory and visual stimuli changing shape in real time. Dancer: Aanal Mehta.

Prototype Development

Prototype Development

A set of physical prototypes developed as part of the research and development of this kinetic lightweight architectural system. These life scale prototypes are able to change shape and serve different purposes in doing so.

Design Process and Control System

Design Process and Control System

Form generation and shape-change simulation is carried out in Kangaroo via Grasshopper 3D. This data is transferred to ROS to actuate physical motors, while using Unity 3D as an interface and control platform.

Functioning of Robotic Arm

Functioning of Robotic Arm

A 3 DOF mobile robotic arm is designed to manoeuvre on a 3D grid of substructure modules, some of which are connected to the bending active (TH) unit. The arm moves modules to cause global shape change.

User-based Actuation

User-based Actuation

A kinetic RGBD sensor is used to directly link the robotic BATH system to a human user. The human’s movement controls the movement of the structure in real time thus creating a responsive kinetic architecture.

03

Behaviour Design

Behaviour Design

Bending Active Textile Hybrids

Bending Active Textile Hybrids

Bending active textile hybrid structures (BATH) are light weight, deployable and re-configurable structural systems that have been historically employed as architecture in a static manner.

System Components and Design

System Components and Design

The system is composed of a mobile robotic arm, a set of substructure modules and a BATH structure that combine large span capabilities and actuated rigid body reconfiguration to achieve their architectural goal.

Agent-based Modelling Approach

Agent-based Modelling Approach

ABM is employed as a tool for generating and optimising a behaviour logic for how the system functions and moves across space. It also suggests the optimum aggregation pattern for substructure module placements.

Environment-based Actuation

Environment-based Actuation

The system is trained using machine learning to enable it to be used as a “sun umbrella” which autonomously moves with the movement of the Sun and the human under it to provide shade at all times.

Performance Aspects

Performance Aspects

Elastic choreographies use BATH structures to create movement via its active AI which contributes to the decision making for system reconfiguring. The lightweight material allows for easy transport and installation.

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The Bartlett
B-Pro Show 2021
30 October – November 13
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