Mathematics
Sliding Mode Control
41%
Sliding Mode Observer
31%
State Estimation
28%
Sliding Mode
28%
Observer
22%
Linear Systems
21%
Tracking Control
21%
Controller
21%
Robust Control
19%
Vector Lyapunov Functions
17%
Impulsive Systems
16%
Ellipsoid Method
16%
Input Saturation
16%
Control Strategy
15%
Mobile Robot
14%
Control Design
14%
Unknown Inputs
13%
Disturbance
13%
Output Feedback Control
13%
Sampled-data Control
13%
Simulation
12%
Sampled-data Systems
12%
Rotor
11%
Estimation Error
10%
Underactuated System
10%
Lyapunov Function
10%
Output Regulation
10%
Output
9%
Class
9%
Adaptive Estimation
8%
Switched Systems
8%
Barrier Function
8%
Control Algorithm
7%
Adaptive Observer
7%
Control Problem
7%
Collision Avoidance
7%
Position Control
7%
Formation Control
7%
Kinematic Model
7%
Lemma
7%
Robustness
7%
Uncertain Nonlinear Systems
7%
Helicopter
6%
Exponential Stability
6%
Linear Matrix Inequality
6%
Time-varying
6%
Reference Model
6%
Strategy
6%
Van Der Pol Oscillator
6%
Perturbation
6%
Switched Linear Systems
6%
Homogeneity
6%
Nonlinear Estimation
6%
Convergence Time
6%
Stability Analysis
5%
Influence
5%
2-D Systems
5%
Uniform Stability
5%
Experimental Study
5%
Estimation Algorithms
5%
Uncertain Systems
5%
Comparative Analysis
5%
Time-varying Systems
5%
Hybrid Systems
5%
Angle
5%
Autonomous Systems
5%
Medicine & Life Sciences
Peru
100%
Cost-Benefit Analysis
28%
Birds
19%
Ecosystem
19%
Bromeliaceae
19%
Forests
16%
Peri-Implantitis
13%
Mississippi
13%
entecavir
13%
Dentifrices
13%
Costs and Cost Analysis
12%
Solanum tuberosum
12%
Tenofovir
11%
Pneumococcal Vaccines
11%
Ecuador
11%
Treatment Adherence and Compliance
10%
Chronic Hepatitis B
9%
Dehydration
9%
Obesity
9%
Gross Domestic Product
9%
Cinchona
8%
Cycadopsida
8%
Interferons
8%
Tracheophyta
8%
Rheiformes
8%
Convolvulaceae
8%
Natural Resources
8%
Multiple Sclerosis
8%
Plant Nectar
8%
Antiviral Agents
7%
Dental Implants
7%
Ipomoea batatas
7%
Saturn
7%
Sparrows
7%
Solanaceae
7%
Tornadoes
7%
Pneumonia
7%
Magnoliopsida
7%
Strigiformes
7%
Food
7%
Quality-Adjusted Life Years
6%
Diet
6%
Germination
6%
Asteraceae
6%
Retrospective Studies
6%
Reproducibility of Results
6%
Gastropoda
6%
Logistic Models
6%
Mollusca
6%
Child
6%
Cetuximab
5%
Poaceae
5%
Snails
5%
Bone and Bones
5%
Cell Line
5%
Pollen
5%
Seeds
5%
Humidity
5%
Bone Regeneration
5%
Gardens
5%
Public Hospitals
5%
Diphosphonates
5%
Periodontitis
5%
Agriculture & Biology
Peru
50%
Puya
24%
conservation practices
12%
birds
12%
Ecuador
11%
Aves
10%
pneumonia
10%
cost effectiveness
9%
farmers
9%
Ismene
9%
ecosystems
9%
Lacha
9%
Juncaceae
9%
wetlands
9%
Rheidae
8%
plant communities
8%
Pterocnemia pennata
8%
Cotingidae
8%
vaccines
7%
Cinchona
7%
tropical montane cloud forests
7%
coasts
7%
Athene cunicularia
7%
Bromeliaceae
7%
indigenous species
7%
biological soil crusts
7%
seeds
6%
habitats
6%
risk perception
6%
Convolvulaceae
6%
vascular plants
5%
Passer domesticus
5%
seed predation
5%
hummingbirds
5%
Ipomoea batatas
5%
reforestation
5%
longitude
5%
Gymnospermae
5%
farms
5%
montane forests
5%
Passeriformes
5%
Mollusca
5%
Solanaceae
5%
sweet potatoes
5%