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A field says which part of the subject an essay sits in and a series follows one idea in depth. This is the third axis: the named objects themselves, and every essay that touches each one.
There are 669 named objects here, and 477 of them are named by more than one essay. Those have a page of their own. The rest link straight to the single essay that names them — a page whose whole content is one card would say nothing the essay itself does not.
- Acceleration 13 essays
- Acceleration pole 2 essays
- Accumulation 1 essay
- Ackermann 3 essays
- Active set 1 essay
- Algebraic curve 11 essays
- Allocation 5 essays
- Amplification 1 essay
- Angle bisector 1 essay
- Angle multiplier 1 essay
- Angulated element 1 essay
- Annulus 1 essay
- Antiparallelogram 1 essay
- Apex 2 essays
- Approximate synthesis 3 essays
- Approximation 20 essays
- Arc 2 essays
- Architecture singularity 5 essays
- Assembly 1 essay
- Assembly branch 33 essays
- Assembly condition 4 essays
- Assembly-mode 8 essays
- Assur group 9 essays
- Atlas 3 essays
- Automorphism 8 essays
- Average 3 essays
- Backlash 12 essays
- Balance 1 essay
- Ball point 2 essays
- Banking 1 essay
- Base circle 20 essays
- Base pitch 2 essays
- Bearing 3 essays
- Bearing pedestal 3 essays
- Beat 4 essays
- Belt drive 6 essays
- Bennett's linkage 7 essays
- Bezout 7 essays
- Bifurcation 1 essay
- Binary expansion 1 essay
- Block and tackle 2 essays
- Blocking 2 essays
- Boss 7 essays
- Brake 1 essay
- Branch 1 essay
- Branch ambiguity 3 essays
- Branch defect 6 essays
- Branch point 1 essay
- Branched chain 1 essay
- Bricard 1 essay
- Bricard's linkage 3 essays
- Burmester 1 essay
- Burmester point 5 essays
- Burmester theory 5 essays
- Caging 2 essays
- Calibration 33 essays
- Cam 10 essays
- Cam profile 5 essays
- Camber 2 essays
- Cancellation 1 essay
- Canonical form 15 essays
- Carrier 2 essays
- Catalogue number 4 essays
- Centre distance 14 essays
- Centre-point 1 essay
- Centre-point curve 1 essay
- Centrode 13 essays
- Chain drive 2 essays
- Change point 9 essays
- Characteristic polynomial 1 essay
- Chasles's theorem 2 essays
- Chebyshev spacing 1 essay
- Chebyshev's linkage 5 essays
- Chordal action 2 essays
- Chromatic number 2 essays
- Chuck 1 essay
- Circle-point 1 essay
- Circle-point curve 3 essays
- Circuit 7 essays
- Circuit defect 1 essay
- Circuit rank 1 essay
- Circular arc 2 essays
- Circular points 5 essays
- Circumcentre 5 essays
- Classification 6 essays
- Clearance 35 essays
- Closed form 8 essays
- Closure 1 essay
- Closure condition 1 essay
- Closure margin 4 essays
- Clutch 1 essay
- Codimension 1 essay
- Coefficient 1 essay
- Cognate ambiguity 3 essays
- Cognate linkage 6 essays
- Collineation axis 2 essays
- Common normal 4 essays
- Compatibility 1 essay
- Compiled linkage 12 essays
- Compiled machine 1 essay
- Complex solution 4 essays
- Compound epicyclic 2 essays
- Compression ratio 1 essay
- Computational cost 1 essay
- Concentric arc 2 essays
- Concurrency 2 essays
- Conditioning 17 essays
- Configuration space 24 essays
- Conflict graph 3 essays
- Conic fit 2 essays
- Conjugate cam 1 essay
- Conjugate pair 1 essay
- Conjugate point 5 essays
- Conjugate-action 20 essays
- Connected component 6 essays
- Conserved quantity 3 essays
- Constant velocity 1 essay
- constant-breadth cam 1 essay
- Constraint 70 essays
- Constraint jacobian 19 essays
- Constraint rank 5 essays
- Construction order 1 essay
- Contact 3 essays
- Contact normal 17 essays
- Contact order 7 essays
- Contact point 6 essays
- Contact ratio 10 essays
- Contact state 5 essays
- Continuation 1 essay
- Continued fraction 2 essays
- Continuously variable 5 essays
- Controllability 3 essays
- Convex decomposition 2 essays
- Convex hull 14 essays
- Convexity 1 essay
- Cospectral 2 essays
- Cost model 5 essays
- Couple 4 essays
- Coupler 6 essays
- Coupler curve 31 essays
- Coupler point 4 essays
- Crank-rocker 14 essays
- Crease pattern 5 essays
- Cubic of stationary curvature 5 essays
- Curvature bound 1 essay
- Curve fitting 1 essay
- Cusp 3 essays
- Cuspidal mechanism 2 essays
- Cycle basis 1 essay
- Cycloidal drive 3 essays
- cycloidal motion 6 essays
- Cylindroid 3 essays
- Datum 1 essay
- Datum scheme 3 essays
- Dead centre 20 essays
- Dead reckoning 2 essays
- Deadbeat 3 essays
- Defect 1 essay
- Degenerate chain 9 essays
- Degree 12 essays
- Degrees of freedom 33 essays
- Denavit–Hartenberg parameters 3 essays
- Deployable 7 essays
- Derivative 15 essays
- Derived length 5 essays
- Describing circle 6 essays
- Design rule 52 essays
- Detached 1 essay
- Determinacy 1 essay
- Developability 2 essays
- Dexterous workspace 1 essay
- DH parameters 4 essays
- Differential 4 essays
- Differential pulley 1 essay
- Differential screw 1 essay
- Dihedral angle 1 essay
- Dimensional synthesis 4 essays
- Dimensionless ratio 3 essays
- Diophantine 1 essay
- Direct drive 1 essay
- Direct kinematics 2 essays
- Direct singularity 10 essays
- Disassembly 3 essays
- Discriminant 1 essay
- Displacement subgroup 23 essays
- Distribution 4 essays
- Double point 6 essays
- Double rocker 5 essays
- Draw 4 essays
- Drop 4 essays
- Dubins path 2 essays
- Dwell 23 essays
- Dyad 8 essays
- Dynamics 2 essays
- Eccentric 2 essays
- Eccentricity 3 essays
- Efficiency 1 essay
- Eigenvalue 1 essay
- Elimination 1 essay
- Engine 3 essays
- Enumeration 16 essays
- Envelope 18 essays
- Epicyclic 16 essays
- Epicycloid 3 essays
- Epitrochoid 3 essays
- Equilibrium 1 essay
- Equioscillation 1 essay
- Error accumulation 3 essays
- Error amplification 1 essay
- Error curve 1 essay
- Error propagation 1 essay
- Escape cone 10 essays
- Escape wheel 3 essays
- Escapement 11 essays
- Euler angles 2 essays
- Euler savary 8 essays
- Exact arithmetic 7 essays
- Exact mechanism 6 essays
- Exact-constraint 5 essays
- Exactness 2 essays
- Existence proof 1 essay
- Exponential growth 1 essay
- Exponential map 1 essay
- Factorisation 1 essay
- Feature tolerance 6 essays
- Finite difference 8 essays
- Fixture 8 essays
- Flat state 3 essays
- flat-faced follower 3 essays
- Fold angle 1 essay
- Follower 12 essays
- Footprint 3 essays
- Force transmission 1 essay
- Fork 1 essay
- Form closure 20 essays
- Forward kinematics 8 essays
- Four-bar 20 essays
- Frame 3 essays
- Free space 9 essays
- Frequency pair 5 essays
- Freudenstein equation 7 essays
- Freudenstein invariants 5 essays
- Friction 2 essays
- Function generation 8 essays
- Gadget 1 essay
- Gamma trick 1 essay
- Gear ratio 5 essays
- Gear train 7 essays
- Geared five-bar 3 essays
- Generating rack 4 essays
- Genus 4 essays
- Geometric progression 1 essay
- Gimbal lock 1 essay
- Gough platform 3 essays
- Graph 1 essay
- Graph isomorphism 9 essays
- Grashof's condition 33 essays
- Great-circle arc 1 essay
- Growth vector 7 essays
- Grübler's criterion 27 essays
- Harmonic 4 essays
- Harmonic drive 1 essay
- Higher pair 11 essays
- Hinge 1 essay
- Holditch theorem 2 essays
- Holonomic 1 essay
- Holonomy 3 essays
- Homotopy 1 essay
- Homotopy class 2 essays
- Homotopy continuation 6 essays
- Hunting tooth 1 essay
- Hypocycloid 4 essays
- Hysteresis 1 essay
- Identifiable 40 essays
- Identification 2 essays
- Identification jacobian 22 essays
- Idler 7 essays
- Implicit equation 11 essays
- Implicit-function 1 essay
- Impulse 2 essays
- Independence 2 essays
- Indexing 8 essays
- Inextensible 4 essays
- Infinitesimal flex 5 essays
- Inflection circle 10 essays
- Initial guess 1 essay
- Input link 2 essays
- Inscribed angle 1 essay
- Instant centre 13 essays
- Instantaneous centre 16 essays
- Integer 2 essays
- Integrability 5 essays
- Integration error 1 essay
- Interchangeability 2 essays
- Interference 22 essays
- Intermittent motion 13 essays
- Interpolation 3 essays
- Invariant 3 essays
- Inverse kinematics 10 essays
- Inverse problem 4 essays
- Inverse singularity 2 essays
- Inversion 20 essays
- Inversor 2 essays
- Involute 22 essays
- Isomorphism 1 essay
- Jackknife 2 essays
- Jacobian 27 essays
- Jerk 8 essays
- Joint axis 1 essay
- Joint graph 2 essays
- Joint limits 4 essays
- Joint space 1 essay
- Kagome 2 essays
- Kempe linkage 1 essay
- Kennedy's theorem 2 essays
- Kinematic chain 30 essays
- Kinematic coupling 1 essay
- Kinematic geometry 3 essays
- Kinematic inversion 4 essays
- Kinematic pair 8 essays
- Kinematic solve 5 essays
- Kinematic synthesis 12 essays
- Kinematics 1 essay
- Kutzbach's criterion 10 essays
- Lattice 2 essays
- Laurent polynomial 1 essay
- Layer assignment 6 essays
- Least-squares 16 essays
- Leg 2 essays
- Length error 1 essay
- Lever analogy 1 essay
- Lever arm 9 essays
- Lever escapement 1 essay
- Lie bracket 16 essays
- Lift 4 essays
- Limit position 8 essays
- Line of action 10 essays
- Line search 1 essay
- Linear program 4 essays
- Link assortment 10 essays
- Link body 23 essays
- Linkage 2 essays
- Lipschitz bound 3 essays
- Lobe 4 essays
- Locating scheme 3 essays
- Lock 4 essays
- Locking face 5 essays
- Loop closure 20 essays
- Lost motion 9 essays
- Lower bound 1 essay
- Lower pair 17 essays
- Manipulability 1 essay
- Manoeuvre 2 essays
- Marching squares 1 essay
- Measurement residual 11 essays
- Mechanical advantage 4 essays
- Mesh 12 essays
- Meshing equation 13 essays
- Metric 1 essay
- Minimal parameterisation 4 essays
- Minimax 4 essays
- Misconception 6 essays
- Mobility 87 essays
- Module 2 essays
- Monodromy 4 essays
- Motion generation 3 essays
- Motion law 14 essays
- Moving plane 8 essays
- Mutilated gear 2 essays
- Nelder mead 2 essays
- Network 17 essays
- Newton–Raphson 11 essays
- Noise amplification 10 essays
- Non-circular gear 2 essays
- Nonholonomic 14 essays
- Null space 16 essays
- Objective function 3 essays
- Observability index 8 essays
- Obstacle 1 essay
- Obstruction 1 essay
- Occupancy grid 4 essays
- Off-tracking 4 essays
- Offset curve 1 essay
- Offset follower 2 essays
- Omnidirectional wheel 2 essays
- One way 2 essays
- Open chain 7 essays
- Operating point 4 essays
- Operating pressure angle 1 essay
- Orbit 12 essays
- Order defect 1 essay
- Oscillating follower 1 essay
- Osculating circle 12 essays
- Overconstrained 1 essay
- Overconstraint 34 essays
- Overlap ratio 2 essays
- Pallet 5 essays
- Paradox 2 essays
- Paradoxical mechanism 3 essays
- Parallel axis defect 3 essays
- Parallel manipulator 4 essays
- Parallel mechanism 11 essays
- Parallel motion 1 essay
- Parallelogram 10 essays
- Parallelogram linkage 3 essays
- Parameter chart 3 essays
- Parameterisation 3 essays
- Path curvature 19 essays
- Path generation 3 essays
- Path tracking 2 essays
- Pawl 6 essays
- Peaucellier's cell 3 essays
- Penetration depth 3 essays
- Periodic framework 1 essay
- Periodicity 4 essays
- Pfaffian constraint 2 essays
- Pieper condition 2 essays
- Pin in slot 3 essays
- Pinion 1 essay
- Pitch 23 essays
- Pitch curve 7 essays
- Pitch point 9 essays
- Pivot crossing 3 essays
- Planar parallel 1 essay
- Planet spacing 2 essays
- Planetary 2 essays
- Platform 11 essays
- Pole tangent 7 essays
- Polynomial fit 3 essays
- Polynomial system 7 essays
- Pose 4 essays
- Pose selection 8 essays
- Position analysis 3 essays
- Positive span 7 essays
- Precision position 13 essays
- Precision-point 7 essays
- Predictor corrector 1 essay
- Preload 1 essay
- Pressure angle 19 essays
- Prime circle 2 essays
- Principal angle 2 essays
- Principal screw 3 essays
- Prismatic 7 essays
- Prismatic joint 1 essay
- Prismatic pair 1 essay
- Product of exponentials 2 essays
- Profile shift 6 essays
- Quality 1 essay
- Quaternion 1 essay
- Quick-return 8 essays
- Rack cutter 2 essays
- Radius of curvature 1 essay
- Rank 58 essays
- Ratchet 6 essays
- Ratio 23 essays
- Ratio steps 2 essays
- Ravigneaux 2 essays
- Reach 1 essay
- Reachability 1 essay
- Reachable set 10 essays
- Reachable workspace 1 essay
- Real solution 2 essays
- Reciprocal screw 11 essays
- Reciprocity 1 essay
- Recoil 2 essays
- Reduction 4 essays
- Redundancy 9 essays
- Redundant constraint 36 essays
- Redundant parameter 3 essays
- Reeving 3 essays
- Refinement 7 essays
- Reflection 3 essays
- Relative motion 2 essays
- Removal cone 2 essays
- Repeatability 5 essays
- Residual 2 essays
- Resolution 1 essay
- Restraint 1 essay
- Reverted train 1 essay
- Revolute 5 essays
- Rhombus 3 essays
- Rigid attachment 1 essay
- Rigid body 3 essays
- Rigid body guidance 1 essay
- Rigid displacement 2 essays
- Rigid origami 6 essays
- Rocker ratio 3 essays
- Roll centre 2 essays
- Roller 1 essay
- Roller follower 6 essays
- Rolling constraint 19 essays
- Rolling without slipping 3 essays
- Root count 6 essays
- Root-finding 4 essays
- Root-sum-square 5 essays
- Rotation 1 essay
- Rotor 4 essays
- Roulette 3 essays
- Scale invariance 28 essays
- Scaling 1 essay
- Schoenflies motion 6 essays
- Scissor linkage 4 essays
- Screw 27 essays
- Screw axis 2 essays
- Screw pair 1 essay
- Screw system 21 essays
- Scrub 4 essays
- Second harmonic 1 essay
- Second-order 9 essays
- Self-calibration 3 essays
- Self-collision 3 essays
- Self-motion 1 essay
- Self-sliding surface 4 essays
- Sensitivity 34 essays
- Separating-axis 2 essays
- Serial chain 10 essays
- Serial manipulator 12 essays
- Setup error 4 essays
- Sextic 6 essays
- Shaft 1 essay
- Shared subexpression 1 essay
- Shear 2 essays
- Shift element 3 essays
- Shortest path 4 essays
- Signed area 3 essays
- Signed clearance 16 essays
- Similarity 5 essays
- Simpson gearset 2 essays
- Singular configuration 2 essays
- Singular value 22 essays
- Singularity 24 essays
- Six-bar 10 essays
- Size defect 3 essays
- Slack 3 essays
- Slider-crank 11 essays
- Solutions at infinity 4 essays
- Spanning tree 2 essays
- Sparsity 1 essay
- Spatial loop 1 essay
- Spatial mechanism 3 essays
- Special architecture 1 essay
- Specific sliding 3 essays
- Spherical four-bar 1 essay
- Spherical linkage 5 essays
- Spherical wrist 1 essay
- Spool 3 essays
- Sprocket 2 essays
- Spurious branch 1 essay
- Stabiliser 2 essays
- Stack-up 6 essays
- State machine 1 essay
- Steering 1 essay
- Stephenson chain 2 essays
- Stowed height 2 essays
- Straight line linkage 1 essay
- Straight line mechanism 6 essays
- Straightness 1 essay
- Strand 18 essays
- Stroke 14 essays
- Structural error 12 essays
- Structural identifiability 7 essays
- Structure 3 essays
- Subalgebra 13 essays
- Summing chain 3 essays
- Superposition 2 essays
- Supplementary arc 1 essay
- Support function 7 essays
- Surface of revolution 2 essays
- Suspension 3 essays
- Sweep certificate 3 essays
- Swept path 3 essays
- Swept region 5 essays
- Swept volume 3 essays
- Swivel angle 1 essay
- Symmetry 9 essays
- Synthesis 9 essays
- Systematic error 2 essays
- Tackle 1 essay
- Tangency 8 essays
- Tangent 1 essay
- Tangent line 1 essay
- Tangent space 2 essays
- Tangential entry 5 essays
- Task space 1 essay
- Taut 5 essays
- Tendon 3 essays
- Tensioner 4 essays
- Ternary link 2 essays
- the Burmester curve 2 essays
- the delta robot 1 essay
- the Geneva mechanism 11 essays
- the Gough–Stewart platform 4 essays
- the Hooke joint 1 essay
- the law of gearing 5 essays
- the Roberts–Chebyshev theorem 5 essays
- the Sarrus linkage 4 essays
- Thermal expansion 1 essay
- Threshold 8 essays
- Time ratio 3 essays
- Toggle 9 essays
- Tolerance 68 essays
- Tolerance stack 1 essay
- Tooth 3 essays
- Tooth count 2 essays
- Tooth pitch 3 essays
- Tooth thickness 3 essays
- Torus 1 essay
- Towed axle 3 essays
- Trace test 2 essays
- Tracing point 1 essay
- Tractrix 2 essays
- Trajectory 2 essays
- Trammel 2 essays
- Translation 5 essays
- Translator 2 essays
- Transmission angle 25 essays
- Transmission error 2 essays
- Transmission function 3 essays
- Transmission relation 13 essays
- Tree 1 essay
- Trigonometric polynomial 3 essays
- Triple rocker 3 essays
- Trochoid 4 essays
- Turning number 6 essays
- Turning radius 4 essays
- Twist 21 essays
- Twist angle 1 essay
- Twist cone 1 essay
- Two routes 1 essay
- Two-degree of freedom 7 essays
- Two-link arm 2 essays
- Two-system 1 essay
- Type synthesis 19 essays
- Undercut 3 essays
- Undercutting 16 essays
- Unidentifiable direction 9 essays
- Unilateral constraint 15 essays
- Unit cell 1 essay
- Universal joint 2 essays
- Universality 6 essays
- Unmodelled parameter 5 essays
- Variator 4 essays
- Velocity field 4 essays
- Velocity freedom 4 essays
- Velocity ratio 47 essays
- Verification 1 essay
- Virtual-work 3 essays
- Watt chain 1 essay
- Watt linkage 1 essay
- Watt's linkage 4 essays
- Wear 4 essays
- Wheel radius 1 essay
- Wheel train 3 essays
- Wheelbase 4 essays
- Willis equation 3 essays
- Willis's equation 1 essay
- Winding 2 essays
- Wipe 1 essay
- Witness pair 7 essays
- Witness set 5 essays
- Working arc 10 essays
- Working mode 6 essays
- Working range 1 essay
- Workspace 19 essays
- Worst case 13 essays
- Wrap angle 11 essays
- Wrench 4 essays
- Wrist singularity 3 essays
- Yoke 1 essay