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mechanical design

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Hybrid Real-Time Dexterous Manipulation

1977 - 1987

During 1977-1987, the era was defined by integrated manipulation design that unites dynamic modeling of rigid and flexible links to enable end-effector trajectory control through distributed-mass representations and the combination of closed-form and finite-element representations for torque and motion prediction. Hybrid position/force control and dexterous manipulation emerged as central themes, addressing contact constraints, redundancy, and sensing integration across control and design to achieve coordinated manipulation. Geometric and workspace-focused design, emphasizing kinesthetic geometry and reachability, coupled with knowledge-based design and emphasis on sensing, compliance, and environment interaction, shaped an embodied design outlook that linked perception, control, and mechanism refinement.

Dynamic modeling and simulation unify rigid- and flexible-link manipulators, enabling end-effector trajectory control through inertia, elasticity, and distributed-mass representations. The approach integrates closed-form and finite-element representations to predict torques and motions for planning and control [1], [10], [8], [15], [17], [4].

Hybrid position/force control and dexterous manipulation emphasize coordinating contact constraints with motion, addressing redundancy, and evaluating dexterity with sensing integration across control and design [3], [14], [20], [13].

Geometric and workspace-focused design analyzes kinesthetic geometry, inertia representations, and reachability to shape manipulators; works present geometrical dynamics representations and workspace concepts with embodied design implications [4], [11], [19].

Knowledge-based design and expert-system approaches advance mechanical design through hierarchical problem solving, design refinement, and computational design abstraction, enabling rapid exploration of alternative mechanisms [9], [18], [16].

Sensing, compliance, and environment interaction in manipulation underscore the role of perception and contact in dexterous tasks, exemplified by tactile imaging sensors and compliant assembly studies [13], [12].

Parallel Manipulator Kinematics (1988–1994)

1988 - 1994

Topology-Driven Compliant Mechanisms

1995 - 2001

Constraint-Based Dexterous Robotics

2002 - 2010

Hybrid Soft Actuation

2011 - 2017

Programmable Morphable Soft Robotics

2018 - 2024